Entries |
Document | Title | Date |
20080200952 | Bone Fixator - Bone fixator for use in the treatment of a fractured bone comprising a support beam having means for attaching each end thereof to the respective ends of a fractured bone, the support beam being configured so as to permit predetermined relative movement between the respective ends of the support beam and thereby transmitting said relative movement to the respective ends of the fractured bone. | 08-21-2008 |
20080208255 | Devices For Introduction Into A Body Via A Substantially Straight Conduit To Form A Predefined Curved Configuration, And Methods Employing Same - A device for introduction into a body in a straight configuration and assuming within the body a predefined curved configuration, includes an elongated element formed from a number of segments interconnected so as to form effective hinges therebetween. When the elongated element is confined to a straight state, the effective hinges transfer compressive forces from each segment to the next so that the elongated element can be pushed to advance it through a conduit. When the elongated element is not confined to a straight state, the effective hinges allow deflection of each segment relative to adjacent segments until abutment surfaces of the segments come into abutment, thereby defining a fully flexed state of the elongated element with a predefined curved configuration. The device can be produced with a wide range of two-dimensional and three-dimensional curved forms, and has both medical and non-medical applications. | 08-28-2008 |
20080208256 | PEDICLE BASED SPINAL STABILIZATION WITH ADJACENT VERTEBRAL BODY SUPPORT - A fasterner and rod fusion device with extensions to support an adjacent vertebral body is provided. The extensions are connected to the fasterner and rod fusion device. The extensions include flexibly connected rods, bands, spacers, or the like to resist extension and/or flexion of the vertebral body(ies) adjacent a fusion site. Alternatively, the extensions may be coupled to a cross link between multiple rods. | 08-28-2008 |
20080215093 | Degradable Cage Coated With Mineral Layers For Spinal Interbody Fusion - A cage for facilitating fusion of bones, such as vertebrae, or fusion of adjacent bone surfaces is disclosed. In one form, the cage includes a plurality of spaced apart walls comprising a biodegradable polymeric material (e.g., polycaprolactone); an osteoconductive mineral coating (e.g., a calcium compound) on at least a portion of the walls; and a bioactive agent (e.g., a bone morphogenetic protein) associated with the polymeric material and/or the coating. The bioactive agent is present in amount that induces ossification between the bones or adjacent bone surfaces. The cage may also include a fixation plate connected to at least one of the walls. | 09-04-2008 |
20080215094 | Equipment for Surgical Treatment of Two Vertebrae - The equipment ( | 09-04-2008 |
20080215095 | STABILIZATION DEVICE FOR STABILIZING BONES OF A VERTEBRA AND ROD CONNECTOR USED THEREFOR - A stabilization device for stabilizing bones of a vertebra includes a first rod, a second rod, a rod connector connecting the first rod and the second rod, the rod connector comprising a receiving portion for receiving the first rod and a fixation element for fixing the first rod in the receiving portion, wherein in the receiving portion a rod contacting surface is provided and wherein the contour of this rod contacting surface has deviations from the contour of the surface of the first rod. The rod connector allows to connect a flexible rod, for example made of an elastomer material, with a rigid rod, made for example of a metal. | 09-04-2008 |
20080228225 | Interlaminar-Interspinous Vertebral Stabilization System - An implantable interlaminar-interspinous stabilization system is provided. The system may comprise a U-shaped implantable device having an inferior section, a superior section, a midsection extending therebetween, and pair of lateral walls for engaging a spinous process of a vertebra, each of the lateral walls including an aperture with a countersink for receiving a bone fastener. The system may also include a bone fastener comprising a threaded bolt and a threaded nut for securing the implantable device to the spinous processes. Insertion tools may be provided for aligning the threaded bolt and nut through the apertures of the implantable device. | 09-18-2008 |
20080228226 | CERVICAL SUPPORT SYSTEM - An apparatus for connecting between an upper cervical vertebrae and a cervical fixation network that includes a screw for rotationally entering and gripping the upper cervical vertebrae. A bridge is configured to route between the cervical fixation network and the screw. A connector holding the screw and bridge together includes a portion of the screw and the bridge that is configured differently for a complementary, low profile engagement of the bridge and screw in which varying configurations of the connector and bridge, either alone, or in combination, are envisioned. | 09-18-2008 |
20080228227 | DYNAMIC CONNECTOR FOR SPINAL DEVICE - The present invention provides a dynamic stabilization device positionable about a portion of a spinal column. The stabilization device may generally include a first component and a second component, where the first and second components are movably coupled to one another to define an arcuate path of motion. The stabilization device may also include one or more adjustment elements positionable within first and second adjustment openings to affect the path of motion between the first and second components and/or the behavior and characteristics of the movement. In addition, one or more resistive elements may be adjustably positionable within either and/or both of the first and second adjustment openings to provide resistance and/or dampening of the forces experienced as the first and second components move relative to one another. The stabilization device may further define a joint having three degrees of freedom to adapt to movement of a spinal column. | 09-18-2008 |
20080228228 | SPINAL STABILIZATION SYSTEM WITH FLEXIBLE GUIDES - In one embodiment, a spinal stabilization apparatus includes a vertebral anchor having a head portion and a bone attachment portion. An elongate, flexible guide is removably coupled to the head portion of the vertebral anchor and has a channel extending longitudinally thereof and communicating with a slot in the head portion of the anchor. An elongate cord may be received within the channel to facilitate inserting and securing a spacer between pairs of anchors installed into adjacent vertebrae of a person's spine. | 09-18-2008 |
20080228229 | PEDICLE SCREW FOR INTERVERTEBRAL SUPPORT ELEMENTS - The pedicle screw ( | 09-18-2008 |
20080234732 | Dynamic interbody devices - A stabilization system for a human spine is provided. The stabilization system may include two dynamic interbody devices and/or one or more dynamic posterior stabilization systems. The dynamic interbody devices may be inserted into a disc space using a posterior approach. A first portion of a dynamic interbody device may contact a lower vertebra. A second portion of the dynamic interbody device may contact an upper vertebra. The first portion may be wider than the second portion to facilitate a large contact area against the lower vertebra and to facilitate insertion of the dynamic interbody device in the available space. The dynamic interbody devices may allow for coupled axial rotation and lateral bending of vertebrae adjacent to the dynamic interbody devices. The dynamic posterior stabilization systems may provide resistance to movement that mimics the resistance provided by a normal functional spinal unit. | 09-25-2008 |
20080234733 | VERTEBRAL STABILIZATION DEVICES AND ASSOCIATED SURGICAL METHODS - A vertebral stabilization device operable for stabilizing and/or decompressing a portion of the spine, including: a first frame member; a second frame member; a first connector member engaged to the first frame member for securing the first frame member to a first structure of the spine; and a second connector member engaged to the second frame member for securing the second frame member to a second structure of the spine; wherein the first frame member and the second frame member are in a telescoping relationship with each other. The first and second structures of the spine may include spinous processes, laminae, sacral structures, or any other suitable structures. Preferably, the first connector member and the second connector member are substantially arcuate in shape, and may face towards each other, away from each other, or in the same direction. | 09-25-2008 |
20080234734 | PEDICLE SCREW FOR INTERVERTEBRAL SUPPORT ELEMENTS - The pedicle screw ( | 09-25-2008 |
20080243185 | SPINAL STABILIZING SYSTEM - A bone stabilizing system includes a collar that has a tubular sidewall with an interior surface and an exterior surface each extending between a first end and an opposing second end, the interior surface at least partially bounding a longitudinal passage extending therethrough. The collar also includes a pair of opposing spaced apart channels transversely extending through the sidewall at the first end thereof and a pair of spaced apart bayonet prongs projecting from the first end of the tubular sidewall. A screw has a threaded portion and a head disposed on an end thereof, the head of the screw being disposed within the longitudinal passage of the collar. A locking cap has a hole extending therethrough and a pair of spaced apart bayonet slots formed thereon, the bayonet slots being configured to receive and engage with the pair of bayonet prongs. | 10-02-2008 |
20080243186 | Spinal stabilization systems and methods of use - Devices and methods are adapted to permit fixation and stabilization of the bony elements of the skeleton. The devices permit adjustment and maintenance of the spatial relationship between neighboring bones. The motion between adjacent skeletal segments may be maintained, limited or completely eliminated. | 10-02-2008 |
20080255615 | Treatments for Correcting Spinal Deformities - The present application is directed to methods of treating a spinal deformity. The methods may begin by initially testing the spinal deformity. An implant may be chosen to treat the deformity based on the results of the testing. The implant may then be attached to vertebral members to begin treating the deformity. The implant and vertebral members may be monitored afterwards to determine whether the deformity is being corrected, and that the vertebral members remain healthy. If the monitoring warrants, the implant may be adjusted to better correct the deformity and/or prevent damage to the vertebral members. | 10-16-2008 |
20080255616 | Devices and Methods for the Treatment of Spinal Disorders - Devices and methods for treating a damaged intervertebral disc to reduce or eliminate associated back pain. Dynamic bias devices and reinforcement devices are disclosed, which may be used individually or in combination, to eliminate nerve impingement associated with the damaged disc, and/or to reinforce the damaged disc, while permitting relative movement of the vertebrae adjacent the damaged disc. | 10-16-2008 |
20080255617 | Vertebral Support Device - A vertebral support device ( | 10-16-2008 |
20080275504 | Constructs for dynamic spinal stabilization - Devices and methods for spinal stabilization include first and second anchors engageable to respective ones of first and second vertebrae and a connector assembly engageable with the anchors to provide a desired stabilization effect. The connector assembly includes a pair of bumper assemblies extending between the bone anchors and a connecting element extending through the bumper assemblies and connecting the first and second bone anchors to one another. | 11-06-2008 |
20080281358 | DYNAMIC SPINAL STABILIZATION SYSTEMS AND METHODS OF USE - In a spinal implant device, a frictionless pivot member is used to interconnect multiple links and produce a scissor jack-like device with minimal frictional wear characteristics. The device is attached to at least two vertebrae, wherein a first device segment is attached to a first vertebra and at least one additional device segment is attached to at least one additional vertebra. The implanted device functions to control and dampen the movement between the attached vertebral bodies. | 11-13-2008 |
20080281359 | Spinal stabilization systems and methods of use - An orthopedic device is adapted to fixate the spinous processes of vertebral bones. The device includes at least one bone engagement member. When implanted, a bone engagement member is located on each side of a spinous process and adapted to forcibly abut the side of each spinous process. | 11-13-2008 |
20080287994 | Pedicle Screw and Rod System - A pedicle screw and rod system that has particular application for spinal fusion surgery. The system includes pedicle screws having ball-shaped heads that are threaded through pedicles of adjacent vertebra into the vertebral body. The system also includes two cannulated posts having a head portion with a planar portion and an opening for accepting the head of the pedicle screw in a secure and multi-axial engagement. The system further includes a tube portion that is coupled to the head portion and extends above the patient's skin. The system also includes a lordotic slotted rod that is slid down the tube portions to be positioned on top of the head portions of the posts so that the planar portions are locked within the slot. Bolts are then slid down the tube portions and are threaded to a threaded portion on the planar portion. | 11-20-2008 |
20080287995 | Compressor Distractor Tool - A combined compressor and distractor tool is provided that includes a mechanism capable of switching the mode of operation of the tool from a compression tool to a distraction tool. The tool includes engagement tips and handles at opposed ends of the tool that are pivotally connected to a central shaft. A saddle is slidably mounted on the shaft between and pivotally connected to the handles. When the saddle is engaged with the shaft in a before center position, squeezing the handles results the movement of the shaft forwardly to operate the engagement tips as a distractor. However, when the saddle is engaged with the shaft in a past, or over center position, squeezing the handles results the movement of the shaft rearwardly to operate the engagement tips as a compressor. | 11-20-2008 |
20080294194 | Spinal stabilization systems and methods - A spinal stabilization system, apparatus, and method are disclosed which include an interconnection mechanism for engaging stabilization members to one another. In one embodiment, the interconnection mechanism comprises a locking member having first and second threaded segments. An anchor member is provided having an upper segment and a lower segment, wherein the lower segment is structurally configured for engagement with a respective bone segment. A first stabilization member is connected to the upper segment of the anchor member. A locking member is engaged with the anchor member such that the first stabilization member is fixedly secured to the anchor member by a lower portion of the locking member having a first threaded segment. A second stabilization member is connected to an upper portion of the locking member by a cap that is threaded onto a second threaded segment of the locking member. | 11-27-2008 |
20080294195 | INTERVERTEBRAL STABILIZATION SYSTEM - An intervertebral stabilization system for at least three vertebrae comprising
| 11-27-2008 |
20080294196 | INTERVERTEBRAL STABILIZATION SYSTEM - An intervertebral stabilization system for at least three vertebrae comprising
| 11-27-2008 |
20080294197 | INTERVERTEBRAL STABILIZATION SYSTEM - An intervertebral stabilization system for at least three vertebrae comprising
| 11-27-2008 |
20080294198 | Dynamic spinal stabilization assembly with torsion and shear control - A dynamic stabilization assembly includes a flexible inner cord, an outer spacer, and a pair of anti-torque and anti-shear sleeves located on either end of the spacer and rotationally fixed with respect to the spacer, each sleeve having at least one and up to a plurality of protrusions or radially directed ridges and grooves on an outer surface thereof. Bone screws cooperating with the sleeves include at least one aperture or a plurality of ridges and grooves for close cooperation and engagement with the ridges and grooves of the anti-torque/anti-shear sleeves. | 11-27-2008 |
20080300630 | MEDICAL DEVICE FOR POSITIONING BONE ELEMENTS, IN PARTICULAR VERTEBRAE, RELATIVE TO EACH OTHER, AS WELL AS A TOOL FOR THE PLACEMENT, PART BY PART, OF SUCH A MEDICAL DEVICE - The invention relates to a medical device for positioning bone elements, in particular vertebrae, relative to each other, comprising at least one assembly built up of two or more anchoring elements, which can each be implanted in a bone element with a first end thereof, as well as an elongated connecting element, which can be connected to the other ends of the anchoring elements projecting from the bone element in question. | 12-04-2008 |
20080300631 | Device and unit for the posterior dynamic guidance of the spine and treatment system comprising such a device - This guidance device ( | 12-04-2008 |
20080300632 | Method of fabricating medical devices and medical devices made thereby - A method of fabricating medical devices and medical devices made from the method of fabricating a medical device, the medical device, without being exhaustive, may be a medical instrument, an implant, a prosthetic, a body support structure or the like. The method includes work-hardening a work-hardenable metal to achieve a desired microstructure of the metal, then fabricating a medical device in accordance with the desired microstructure utilizing the work-hardened metal. In one form, the desired microstructure is an elongated grain structure. The medical device is created from the grain-elongated metal such that the medical device is oriented relative to the plane of grain elongation. In a particular form of the invention, the medical device is a curved spine plate wherein elongated grains of the work hardened metal are oriented in a plane normal to a curvature of the spine plate. Work-hardening includes forging, cold rolling or hot rolling, and annealing prior to use in medical device fabrication. This creates a metal implant stock that has more strength and flexibility in compression and bending than without undergoing the present work-hardening. These properties are exploited in medical device design, fabrication, fabrication orientation and/or the like to create medical devices such as super strong implants. | 12-04-2008 |
20080306513 | SHAPED HORIZONTAL ROD FOR DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306514 | MULTI-DIRECTIONAL DEFLECTION PROFILE FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306515 | HORIZONTAL ROD WITH A MOUNTING PLATFORM FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306516 | MULTI-DIMENSIONAL HORIZONTAL ROD FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306517 | DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD WITH A DEFLECTION ROD MOUNTED IN CLOSE PROXIMITY TO A MOUNTING ROD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306518 | DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306519 | REVISION SYSTEM AND METHOD FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306520 | IMPLANTATION METHOD FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306521 | MODULAR SPINE TREATMENT KIT FOR DYNAMIC STABILIZATION AND MOTION PRESERVATION OF THE SPINE - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306522 | HORIZONTALLY LOADED DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306523 | DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM WITH HORIZONTAL DEFLECTION ROD AND ARTICULATING VERTICAL RODS - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306524 | ANCHOR SYSTEM FOR A SPINE IMPLANTATION SYSTEM THAT CAN MOVE ABOUT THREE AXES - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306525 | SPINE IMPLANT WITH A DEFLECTION ROD SYSTEM INCLUDING A DEFLECTION LIMITING SHIELD ASSOCIATED WITH A BONE SCREW AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes a deflection rod system implant. The system is modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306526 | DEFLECTION ROD SYSTEM WITH A DEFLECTION CONTOURING SHIELD FOR A SPINE IMPLANT AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306527 | DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM WITH A SHIELDED DEFLECTION ROD SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient | 12-11-2008 |
20080306528 | DEFLECTION ROD SYSTEM FOR SPINE IMPLANT WITH END CONNECTORS AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306529 | DEFLECTION ROD SYSTEM FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306530 | DEFLECTION ROD SYSTEM WITH MOUNT FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306531 | DEFLECTION ROD SYSTEM WITH A NON-LINEAR DEFLECTION TO LOAD CHARACTERISTIC FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306532 | DEFLECTION ROD SYSTEM DIMENSIONED FOR DEFLECTION TO A LOAD CHARACTERISTIC FOR DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306533 | DEFLECTION ROD SYSTEM FOR USE WITH A VERTEBRAL FUSION IMPLANT FOR DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306534 | DUAL DEFLECTION ROD SYSTEM FOR A DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM AND METHOD - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306535 | METHOD FOR IMPLANTING A DEFLECTION ROD SYSTEM AND CUSTOMIZING THE DEFLECTION ROD SYSTEM FOR A PARTICULAR PATIENT NEED FOR DYNAMIC STABILIZATION AND MOTION PRESERVATION SPINAL IMPLANTATION SYSTEM - A dynamic stabilization, motion preservation spinal implant system includes an anchor system, a horizontal rod system and a vertical rod system. The systems are modular so that various constructs and configurations can be created and customized to a patient. | 12-11-2008 |
20080306536 | DYNAMIC STABILIZATION SYSTEM - A dynamic bone fixation element for securing an elongated fixation element such as, a longitudinal rod or bone plate, to a patient's bone, preferably a vertebra. The dynamic bone fixation element preferably includes a bone fixation element and a flexible element for connecting the bone fixation element to the elongated fixation element. The flexible element preferably permits the elongated fixation element to move with respect to the bone fixation element and hence with respect to the bone affixed thereto. The flexible element preferably permits extension and/or compression of the elongated fixation element with respect to the bone fixation element and polyaxially movement of the elongated fixation element with respect to the bone fixation element. The flexible element is preferably in the form of a spring or a spring-like flexible element. | 12-11-2008 |
20080306537 | METHOD AND APPARATUS FOR SPINAL STABILIZATION - A method and apparatus of limiting at least one degree of movement between a superior vertebral body, an inferior vertebral body, and an intermediate vertebral body that is disposed between the superior and inferior vertebral bodies of a patient. The method can comprise: advancing a distal end of a stabilization device into a pedicle of the intermediate vertebral body; positioning a proximal portion of the stabilization device such that the proximal portion limits at least one degree of movement between the superior vertebral body and the intermediate vertebral body by contacting a surface of the superior vertebral body; and advancing a distal end of a fixation device into a facet of the intermediate vertebral body and into a facet or pedicle of the inferior vertebral body for stabilizing the intermediate vertebral body and the inferior vertebral body. | 12-11-2008 |
20080312692 | Multi-level spinal stabilization system - Multi-level spinal stabilization devices, systems and methods are provided that include at least one multi-level connector, one elongated member with an enlarged head, at least one pedicle screw, and at least one mechanism that supports three degrees of rotational freedom relative to both the elongated member and the pedicle screw each. The mechanism may include universal joint mechanisms or ball and socket mechanisms. In the case of the ball and socket mechanisms, the enlarged head of the elongated member cooperates with a first socket member of the multi-level connector to define a dynamic junction that allows the socket member to move relative to the enlarged head of the elongated member while remaining engaged therewith. | 12-18-2008 |
20080312693 | Posterior Functionally Dynamic Stabilization System - A functionally dynamic stabilization unit and system for treatment of spinal instability are provided. Each unit, and collectively, the system, is configured to control flexion, extension and translation of the affected unstable vertebral area, thereby stabilizing the vertebral segments by restoring normal function. This is achieved by providing a unit and system that allow for lateral bending, axial compression, rotation, anterior segmental height adjustment, and posterior segmental height adjustment. The unit and system provide sufficient segmental stiffness, while also limiting, or controlling, the range of motion (i.e., sufficient stiffness in the neutral or active zone, while limiting or preventing motion outside of the active zone) to stabilize the vertebral segments. In use, the system mimics the natural movement of the normal spine. Furthermore, the system includes a rigid, fusion-promoting coupler configured for use in an adjacent level, or as a substitute for the functionally dynamic unit. The modularity of the system allows adjustment over time and easier revision surgery, and is configured for minimally-invasive, delivery or implantation. | 12-18-2008 |
20080319481 | Spondylolisthesis correction apparatus and method - An apparatus and method are provided that allow for the realignment and stabilization of adjacent vertebrae. An implant of this invention both repositions adjacent vertebrae and remains in situ to maintain the new position. The implant has two halves which are interlocked such that they can slide horizontally with respect to each other. Movement of the implant halves and their respective positions are controlled by set screw within the implant. The implant includes radial anchors which fit into alignment slots made in the misaligned vertebra by the disclosed method. The set screws are used to advance the halves of the implant which in turn move the misaligned vertebrae back into correct positions. The correct position of the vertebrae is locked in place through a nut and a plate. | 12-25-2008 |
20080319482 | Dynamic fixation assemblies with pre-tensioned cord segments - A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having a core portion made from at least one pre-tensioned flexible member and a cooperating pre-compressed surrounding outer sleeve. The sleeve surrounds the core and is disposed between cooperating rigid end members that are attached to the bone anchors. | 12-25-2008 |
20080319483 | SYSTEM AND METHOD FOR FACET JOINT REPLACEMENT WITH DETACHABLE COUPLER - A facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The implants may be coupled together by a detachable coupler which can align and rigidly hold the inferior and superior articular surfaces in a preferred alignment relative to one another. A portion of the coupler may be deformable to allow detachment of the coupler from at least one of the implants. In one method of implantation, the superior and inferior implants may be aligned and coupled together with the coupler, and then secured to fixation members anchored in adjacent vertebrae. Alternatively, a first implant may be secured to a fixation member anchored in a first vertebra, and a second implant coupled to the coupler, aligned with the first implant and then secured to a fixation member anchored in a second vertebra. A tool may grip, position and/or deliver the coupler and the implants. | 12-25-2008 |
20090005813 | APPARATUS AND METHODS FOR SPINAL IMPLANTS - A polyaxial screw device and system for spinal fixation and dynamic stabilization. Embodiments of the present disclosure may utilize hinged connections, cam-style mechanisms, and planar connectors to enable surgeons to attach to an implanted bone fastener or connect to an elongated member from a lateral approach for improved accessibility, with a low-profile configuration for improved patient comfort. Embodiments may be implantable using MIS procedures and techniques. | 01-01-2009 |
20090005814 | STABILIZATION SYSTEM AND METHOD - The disclosure relates generally to embodiments of systems and methods of spinal stabilization. Embodiments include methods that use a dilator to displace tissue proximate to a sleeve. An embodiment of a surgical system can comprise a dilator that may define a working channel from a first opening to a second opening. The dilator can be positioned to displace tissue proximate to the sleeve. The dilator may be shaped to allow a first end of an elongated member to enter the working channel through the first opening and exit the dilator through the second opening to be percutaneously moved to another assembly. | 01-01-2009 |
20090005815 | DYNAMIC STABILIZATION SYSTEM - Embodiments of the disclosure provide a device and system for dynamic spinal stabilization. A collar has an opening for connection to a bone fastener implanted in bony tissue and a slot for receiving a portion of an elongated member. When the elongated member is seated in the slot and a closure member is securely connected to the collar, the collar is capable of selected rotation about the bone fastener to provide dampened motion of the stabilization system. | 01-01-2009 |
20090005816 | Spinal rod, insertion device, and method of using - An apparatus and a method for fixing tissue. | 01-01-2009 |
20090005817 | Flexible Spine Stabilization System - A system for flexibly stabilizing a vertebral motion segment by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other. | 01-01-2009 |
20090012562 | SPINE STIFFENING DEVICE AND ASSOCIATED METHOD - In various embodiments, a spinal stabilization system has a first and a second vertebral anchor each adapted to be coupled to one of a first and a second vertebrae. The system also includes a flexible connecting element coupled to each of the first and second vertebral anchors and extending between the vertebral anchors. The connecting element has a central member and a brace positioned about the central member and the central member is stiffer than the brace to provide the needed combination of support and stiffness to the construct while offering flexibility. These and other various embodiments of this invention offer an improvement over known systems by providing stabilization of the vertebral column while allowing for flexibility and axial dampening. | 01-08-2009 |
20090012563 | SPINAL FIXATION DEVICES AND METHODS - A rod, clamp and spinal fixation technique and method involving monoaxial or polyaxial screws for fusion in the cervical, thoracic, lumbar or sacral spine. The rod and clamp may be coupled to be pulled through the head of a fixation screw. | 01-08-2009 |
20090012564 | TRANSDISCAL INTERBODY FUSION DEVICE AND METHOD - Described herein are devices and systems for transdiscal fusion of vertebrae and methods for fusing adjacent vertebra. A system may include a device with two anchorable members connectable by an intervening connector forming a continuous passageway therethrough. An anchorable member may have a constrained non-anchoring configuration and a released anchoring configuration. The anchoring configuration typically includes a radially-expanded structure such as a plurality of struts. After positioning the anchorable members into two adjacent vertebral bodies, the anchorable members may be released from their constrained configuration so that they radially self-expand, anchoring the device across the fracture. A flowable bone-filling material may be conveyed into the passageway of the device after implantation, stabilizing it further in the vertebral implantation site. | 01-08-2009 |
20090012565 | MEDICAL DEVICE AND METHOD TO CORRECT DEFORMITY - A system for correcting a spinal deformity includes an implant fixed to one side of a vertebra and a rod extending along an axis of the spine on a second side of the vertebra. An adjustment member, which may include a reel, is coupled to the rod. A force directing member, such as a cable, extends between the rod and the adjustment member. The force directing member is retractable toward and extendible from the adjustment member. A method of correcting spinal deformity includes providing an implant, a rod, an adjustment member coupled to the rod, and a force directing member extending between the rod and the adjustment member. The adjustment member can be retractable toward and extendible from the adjustment member. | 01-08-2009 |
20090018583 | Dynamic spinal stabilization system incorporating a wire rope - A device, or series of devices, for use in stabilizing two or more vertebrae of the spine—specifically, a wire rope which is used with pedicle screws as a dynamic spinal stabilization system, thereby allowing limited motion of the vertebrae. The system may also allow load transfer to an intervertebral bone graft or bone graft substitute. | 01-15-2009 |
20090018584 | VERTEBRA ATTACHMENT METHOD AND SYSTEM - A vertebral attachment method and system that minimizes or eliminates the risk of severing, compressing, impinging or otherwise injuring the vertebral artery vertebral vein, spinal nerve roots and/or spinal cord. The system includes at least one plate that may be anchored to a posterior region of a vertebra using at least one clamp and fastener. The system may be specifically designed to retain a portion of the posterior region of the vertebra. | 01-15-2009 |
20090024165 | METHODS OF ANNULUS AND LIGAMENT RECONSTRUCTION USING FLEXIBLE DEVICES - Methods for providing a flexible spinal stabilization system operative to prevent lateral bending, extension, and rotation across two or more adjacent vertebrae are described. Broadly, the invention utilizes a pair of connectors on each vertebrae, and flexible elongated elements, such as sutures or cables, in an axial and crisscrossed pattern to provide an arrangement that resists extension, lateral bending, and torsional/rotational motion. In some embodiments, the flexible stabilization system includes a pair of locking anchors and a pair of hook-like anchors. The locking anchors are pre-threaded with a suture in a loose looped configuration before insertion into the vertebra. Once the locking anchors have been inserted, the suture loops can be looped over hook-like anchors inserted into an adjacent vertebrae to join the vertebrae and apply tension across the disc space. In some embodiments, the hook-like anchors can have multiple hooks for use in joining multiple vertebral levels. | 01-22-2009 |
20090030457 | Spinal Fixation Systems - A spinal fixation system is provided that includes a coupling member and a locking device that is operable to fix an elongate member relative to the coupling member. In one form, locking device includes opposing lock arms operable to retain the locking device relative to the coupling member in an initial position prior to the locking device fixing the elongate member relative to the coupling member. In another form, the coupling member and locking device include cooperating structure therebetween in the form of a protrusion and a guide track, the cooperating structure arranged and configured to retain the locking device within an internal space of the coupling member. There is also provided a retainer operable to minimize pivoting of the coupling member relative to an anchor member and to substantially retain an anchor member depressed within an internal space of the coupling member to minimize play therebetween. | 01-29-2009 |
20090030458 | METHOD FOR STABILIZING SPINE - A method of stabilizing a portion of a spine includes pivoting first and second members of an expandable spinal implant relative to one another to a closed configuration in which the spinal implant has a compact profile, inserting the spinal implant in the closed configuration into the spine between first and second vertebral bodies, and pivoting the first and second members crosswise to an expanded configuration while the spinal implant is within the spine. The first and second members are separate from and coupled to one another. | 01-29-2009 |
20090036924 | INTERVERTEBRAL STABILIZATION SYSTEM - An intervertebral stabilization system for at least three vertebrae comprising
| 02-05-2009 |
20090036925 | Device, Kit and Method For Intervertebral Stabilization - An intervertebral stabilizing device adapted to stabilize two or more vertebral bodies one another. The device comprises two fastening elements adapted to be associated to two vertebral bodies being contiguous to each other and a junction element operatively connecting the two fastening elements. The fastening elements and the junction element gradually distribute the stresses both on the peduncles and the spinous bones of the adjacent vertebrae, so as to gradually and continuously stress the column length, thus avoiding sudden changes in load and stiffness in the borderline zones. | 02-05-2009 |
20090048631 | Dynamic Stabilization Device for Spine - A dynamic stabilization device is disclosed. The device includes a dual spring member comprising an outer spring and an inner spring that have approximately equal working lengths. The dynamic stabilization device is also configured so that the dual spring member does not undergo stresses greater than an effective fatigue limit that is related to a fatigue limit of the spring. | 02-19-2009 |
20090048632 | Spinal Support Rod Kit - A spinal support rod kit for the treatment of spinal column shape deformations. The kit comprises a spinal support rod having first and second ends, in which the cross-sectional shape of the rod along at least part of its length, taken perpendicular to its longitudinal axis, includes a first flat side and a rounded side. The kit further comprises an attachment assembly for securing the support rod to the spinal column at least two points along its length. The attachment assembly comprises retaining portions each of which defines a channel for receiving the rod and anchor portions for attachment to a patient's vertebrae. The cross-sectional shape of the channel when viewed from one side includes a first flat side for flush contact with the first flat side of the support rod and a rounded side for tightly engaging the rounded side of the rod so as to restrict movement of the rod through the channel in a direction generally parallel to the axis of the rod. | 02-19-2009 |
20090054929 | Apparatus for the Prevention and Treatment of Back Pain - The invention relates to an apparatus for the prevention and treatment of back pain, which is based on lumbar, dorsal and cervical strength training machines. The inventive apparatus comprises three vertebral supports which are disposed at a determined angle and which are used to strengthen and stretch (separation of the vertebral joints) the lumbar, dorsal and cervical areas of the back simultaneously in the appropriate movement plane. In order to prevent and treat back pain, once the back has been suitably positioned, all of the back must undergo simultaneous symmetrical strengthening. For said purpose, the apparatus consists of a vertical iron structure comprising three supports, which is perfectly articulated with a horizontal iron structure comprising a seat which can be used to perform seated exercises. According to the invention, the back is pushed against the cervical, dorsal and lumbar supports in order to produce symmetrical strengthening and stretching movements which can be adjusted to suit the individual using height and resistance control means, such as to have a decompressive effect on the vertebral column. | 02-26-2009 |
20090054930 | Anterior cervical staple - A surgical staple for discectomy by an anterior approach that comprises a plate with sharp-pointed projections positioned at each of four corners of the plate and extending perpendicularly there from for frictional insertion into pilot holes formed in the vertebrae, and a pair of circular apertures in the plate spaced along a centerline for insertion of bone screws. The plurality of projections may further comprise four barbed and pointed projections that a surgeon may quickly tap into the bone, thereafter securing the staple with two smaller bone screws. An Annular C shaped retention locking clip retains the bone screws and prevents counter-rotation and back out. | 02-26-2009 |
20090062857 | Minimally invasive guide system - A minimally invasive fixation system and installation method is provided. The system includes a rod having an anchor fixation head, an anchor system for anchoring the rod using the anchor fixation head, and a guide system configured to attach to the anchor fixation head of the rod for the insertion of the additional anchor systems. In one embodiment, a method for placing a spinal fixation element relative to a vertebra is provided. The method includes inserting the spinal fixation element relative to the vertebra; connecting the spinal fixation element to a first vertebra with a first anchor; manipulating the spinal fixation element relative to the first anchor to align the spinal fixation element with a second vertebra; fixing the position of the spinal fixation element relative to the first bone anchor; determining an anchor site on a second vertebra using a guide system connected to the spinal fixation element; inserting a second anchor at an anchor site on second vertebra; and connecting the second anchor to the spinal fixation element to fix the spinal fixation element relative to the first vertebra and second vertebra. | 03-05-2009 |
20090069849 | DYNAMIC SCREW SYSTEM - A dynamic screw system for stabilizing a vertebral body includes a bone screw adapted to connect to the vertebral body, the bone screw including an open concave head, a connecting element coupled to the bone screw, a joint element coupled around a middle cylindrical portion of the connecting element, an elongated bar element coupled to the upper spherical portion of the connecting element, and a pin adapted to fit inside the elongated bar element and a slot of the connecting element. The connecting element may include an upper spherical portion including a first diameter, a middle cylindrical portion including a second diameter less than the first diameter, and a lower spherical portion having a plurality of outwardly expandable legs adapted to lock into the open concave head of the bone screw. | 03-12-2009 |
20090076549 | ORTHOPEDIC IMPLANT SYSTEM - A system is provided for use in orthopedic surgery, for example to connect a spinal rod with a vertebral screw or hook. The system generally includes a receiver member for receiving an elongated member, a bone implant member, such as a bone screw, and a locking washer to assist in locking the receiver member at a desired angular position relative to the bone implant member. The receiver member and the washer may be positioned on opposite sides of the bone implant member. Additionally, the receiver member may define an aperture to receive a closure member to lock an elongated member in a passage in the receiver member. | 03-19-2009 |
20090076550 | SPINAL FIXATION SYSTEM CONNECTORS - Disclosed are embodiments of spinal fixation system connectors and related methods and apparatus. In one embodiment, a connector body is provided which comprises a slot configured to allow a spinal fixation rod to extend therethrough. The connector may also include a cap configured to be connected with the connector body and thereby circumscribe a portion of the rod. The cap may comprise at least two interior groove portions that may be configured to receive top portions of two opposing sidewalls on the connector body when the cap is engaged with the connector body. | 03-19-2009 |
20090082808 | Expandable Spinal Spacer - A spinal spacer or stenotic device is expandable, inflated and/or filled in situ or ex vivo through the addition of a biocompatible fill material into the spinal implant once inserted or implanted in like manner to an angioplasty bag. Once implanted, expansion or inflation of the present expandable spinal spacer distracts the spine (creates spacing). The present expandable spinal spacer can operate as an interspinous, interspinous process, or intralaminar spinal spacer. In general the present expandable spinal space creates and/or maintains spacing between vertebrae or components of vertebrae. The present expandable spinal spacer is formed of a generally pliable biocompatible material that is collapsible and expandable/fillable. Preferably, but not necessarily, the biocompatible material is a mesh or weave type material, although other materials may be used. | 03-26-2009 |
20090082809 | System and Method for Minimally Invasive Posterior Fixation - The present invention relates generally to systems and methods for aligning and implanting orthopedic fixation or stabilization implants within the body. In one embodiment, the system includes at least two bone anchors, at least one of which is provided with an angularly adjustable connector. In one aspect, the system also includes at least one linkage rod, for linking two or more bone anchors through their respective adjustable connectors. The bone anchors and the linkage rod may be locked into place to form a spinal fusion or fixation prosthesis. An alignment tool is provided, for guiding a guidewire through one or more connectors. | 03-26-2009 |
20090088799 | Spinal fixation device having a flexible cable and jointed components received thereon - A spinal fixation device is disclosed, which includes a flexible cable; a plurality of components disposed on the flexible cable; and a plurality of fixing nails, wherein the flexible cable may be movingly received by the fixing nails after it has been fitted with the components, and a screw may be used to secure the flexible cable along with the components onto the fixing nails; wherein two neighboring components disposed on the flexible cable are connected with an adjustable angle. | 04-02-2009 |
20090088800 | LOOP ROD SPINAL STABLIZATION DEVICE - A rod-fastener combination device for spinal stabilization is provided. The device combines a rod and a spinal fastener in a single unit, which allows the rod to move relative to the fastener prior to its being fixed in place, e.g. with a set screw. | 04-02-2009 |
20090088801 | SPINAL FIXATION DEVICE AND METHOD - A spinal fixation device is provided. The spinal fixation device includes first and second fixation members. Each of the fixation members include an anchor portion configured for rigid fixation to a vertebral body, an endplate member configured to engage a surface of a vertebral body, and a connecting portion connecting the anchor portion and the endplate member. The spinal fixation device further includes a spacing element configured to be received between the endplate members of the first and second fixation members | 04-02-2009 |
20090093843 | DYNAMIC SPINE STABILIZATION SYSTEM - Disclosed are devices and systems for spinal fixation and dynamic stabilization. Elongated members may be positioned lateral to spinous processes and coupled to two or more vertebrae. Interspinous members may be positioned between adjacent spinous processes and coupled to the elongated members. One embodiment of an interspinous member comprises a body and two lateral portions. The lateral portions may couple to the elongated members to position the interspinous members. An interspinous member and the positioning of the interspinous member may allow selected movement between the adjacent spinous processes. | 04-09-2009 |
20090099599 | ROD CONNECTION IN A SURGICAL DEVICE AND ROD-SHAPED BONE STABILIZATION DEVICE COMPRISING THE SAME - A rod connection for fixing a rod part in a surgical device within a bore of a rod receiving member includes the rod receiving member having a bore having an inner diameter, the rod part having an outer diameter, the rod part being introduced into the bore, wherein the inner diameter of the bore and the outer diameter of the rod part are selected, such that the rod part is press-fitted into the bore of the rod receiving member. The bore has an inner wall surface opposing an outer wall surface of the rod part, the inner wall surface or the outer wall surface being provided with at least one recess in order to reduce a contact surface area between the rod part and the rod receiving member. | 04-16-2009 |
20090099600 | HIGH MODULUS POLYURETHANE AND POLYURETHANE/UREA COMPOSITIONS - The present invention provides a polyurethane or polyurethane/urea composition which has a tensile strength greater than 10 MPa, a modulus of elasticity greater than 400 MPa and an elongation at break greater than 30% at a temperature of between 0° C. and 60° C. and at a relative humidity of between 0% and 100%. | 04-16-2009 |
20090099601 | MINIMALLY INVASIVE LATERAL INTERVERTBRAL FIXATION SYSTEM, DEVICE AND METHOD - A system, device and method are disclosed for minimally invasive lateral intervertebral fixation. An intervertebral fixation device includes a weight-bearing shell configured to fit into a disk space between plural vertebrae, the weight-bearing shell including a keyway opening between and through plural sidewalls. A first plurality of anchors is rotatably disposed in a first orientation in relation to the weight-bearing shell. A second plurality of anchors is rotatably disposed in a second orientation in relation to the weight-bearing shell. A key is adapted to rotate the first plurality of anchors in divergent directions from the second plurality of anchors and to secure a first vertebra and a second vertebra, respectively. The key is further adapted to support the first plurality of anchors and the second plurality of anchors in divergent directions in relation to the weight-bearing shell, the first plurality of anchors and the second plurality of anchors secured to the first vertebra and the second vertebra. | 04-16-2009 |
20090099602 | Method of lateral facet approach, decompression and fusion using screws and staples as well as arthroplasty - A method of performing vertebral facet fusion by lateral approach and related devices. The lateral approach to facet fusion involves identifying the lateral mass and then introducing any of the fixation methods known or described herein laterally at one or more facets through the use of a hollow cannula. A surgical bone staple have a perforated bridge is used across the lateral facet joint where fixation is required. Where fusion is desired, a bone screw have lateral perforations of the shank is inserted through the bridge perforation at the joint to promote fusion. The staple and screw may be used in conjunction with one another or individually. The facet joint may be distracted prior to fixation to increase the foraminal space and decompress the neural structures to relieve pain. The method involves less surgical time, reduced blood loss and discomfort for the patient as compared to the posterior approach. | 04-16-2009 |
20090105755 | APPARATUS AND METHOD FOR CONNECTING SPINAL FIXATION SYSTEMS TOGETHER - A connection system is provided that joins two or more spinal fixation plate systems together. In one form, a pair of bone bolts forms two docking points for a connecting member to attach to and brace two spinal fixation plate systems together. In another form, the connecting member is adjustable to allow for different dimensions between two spinal fixation plate systems. In another embodiment, a cap forms a dynamic connection between a bone bolt and a connecting member. | 04-23-2009 |
20090105756 | SPINAL IMPLANT - A screw and rod fixation assembly includes a body member including a screw seat for seating a screw head therein and a rod seat for seating a rod therein. An adjustable locking ring applies a locking force against the screw head seated in the screw seat and a locking cap adjustably applies a locking force against a rod seated in the rod seat. The adjustable screw locking ring and locking cap function independent of each other. | 04-23-2009 |
20090105757 | Posterior stabilization systems with shared, dual dampener systems - Dynamic posterior stabilization systems and methods of stabilizing vertebrae are described. A dynamic posterior stabilization system may include a first bone fastener configured to couple to a first vertebra, a second bone fastener configured to couple to a second vertebra, and a dampener system attached to the first bone fastener and the second bone fastener. The dampener system may include a first dampener set and a second dampener set. Compression of the first dampener set provides resistance to movement of the first bone fastener towards the second bone fastener. Compression of the first dampener set and the second dampener set provides resistance to movement of the first bone fastener away from the second bone fastener. | 04-23-2009 |
20090105758 | Dampener system for a posterior stabilization system with a variable length elongated member - Dynamic posterior stabilization systems and methods of stabilizing vertebrae are described. A dynamic posterior stabilization system may include a first bone fastener configured to couple to a first vertebra, a second bone fastener configured to couple to a second vertebra, and a dampener system attached to the first bone fastener and the second bone fastener. The dampener system may include a single dampener set. Compression of the single dampener set provides resistance to movement of the first bone fastener towards the second bone fastener. Compression of the first dampener set and the second dampener set provides resistance to movement of the first bone fastener away from the second bone fastener. | 04-23-2009 |
20090105759 | Spinal stabilization systems with dynamic interbody devices - A stabilization system for a human spine is provided. The stabilization system may include one or more dynamic interbody devices and/or one or more dynamic posterior stabilization systems. The dynamic interbody devices may allow for coupled axial rotation and lateral bending of vertebrae adjacent to the dynamic interbody devices. In an embodiment, the dynamic interbody device includes a keel having a neck and a cylindrical base. The cylindrical base is wider than the neck. In an embodiment, portions of the dynamic interbody device that allow for flexion and/or extension of vertebra coupled to the dynamic interbody device are coupled together by ball bearings. | 04-23-2009 |
20090105760 | SYSTEMS AND METHODS FOR SPINAL STABILIZATION - Spinal stabilization systems are disclosed having spanning portions extending between and securable to pedicle screw assemblies, the spanning portions have stiffness characteristics that may be variable or selectively adjustable, and/or have non-linear behavior with respect to force versus distortion. Additionally, the systems may utilize a plurality of spanning portions in which two or more of the spanning portions have different stiffness characteristics. | 04-23-2009 |
20090105761 | METHODS, SYSTEMS AND APPARATUSES FOR TORSIONAL STABILIZATION - Methods, systems and apparatuses are provided for torsionally stabilizing a spinal motion segment. One or more implants are placed between two vertebrae to provide torsional stabilization. In particular, one or more implants may be fixed between a superior vertebral body, such as at the spinous process, and an inferior vertebral body. The implants may be connected to the superior vertebral body using a fixation device such as a turnbuckle, an outrigger, a thimble, an endobutton, a suture plug or combinations thereof. The implant may also be connected to the inferior vertebral body using various types of hardware, including staples, screws and anchors. The implant may be kept in tension to provide torsional stabilization and may be comprised of one or more sutures. A multi-functional instrument having one or more arms having holes can be used to clamp onto the superior vertebral body and guide one or more implants to various locations for fixation in accordance with the methods described herein. | 04-23-2009 |
20090105762 | Dynamic stabilization member with fin supported segment - A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connecting member assembly having the following features: a pair of elongate segments, each segment having an abutment plate and a plurality of integral fins axially extending therefrom; and a molded elastomer that substantially surrounds the fins. | 04-23-2009 |
20090112261 | MINIMALLY INVASIVE SPINE INTERNAL FIXATION SYSTEM - A minimally invasive modular system is disclosed for stabilizing the anterior column of the spine through an anterior or lateral approach. Bone anchors are implanted into the vertebral bodies of adjacent vertebrae and serve as a foundation for a fixation system. The anchors comprise an interface surface that allows an interconnecting link to be secured to the anchors in a low-profile manner with minimum protrusion beyond the vertebral members. The link may be secured to the bone anchors to affect a compressive interlocking force between the bone anchors and vertebrae. | 04-30-2009 |
20090112262 | SKELETAL MANIPULATION SYSTEM - A system for manipulating a portion of the skeletal system in the body of a mammal includes an implant having a first portion and a second portion, the first portion configured for coupling to a first location of the skeletal system and the second portion configured for coupling to a second location of the skeletal system. The system includes an adjustment device configured to change at least one of the distance or force between the first location and the second location, the adjustment device having a magnetic element configured for rotation about an axis of rotation, the magnetic element being operatively coupled to a drive element configured to alter at least one of the distance or the force between the first location and the second location. The system also includes an external adjustment device configured to magnetically couple to the adjustment device from a location external to the mammal. | 04-30-2009 |
20090112263 | SKELETAL MANIPULATION SYSTEM - A system for manipulating a portion of the skeletal system of a mammal includes an implant having a first portion and a second portion, the first portion configured for mounting at a first location of the skeletal system and the second portion configured for mounting at a second location of the skeletal system. The system further includes an adjustment device disposed on the implant and configured to apply a biasing force to the skeletal system, the adjustment device including a magnetic element configured for cyclic movement, the magnetic element being operatively coupled to a drive element configured to alter at least one of the distance or the force between the first location and the second location. The system includes an implantable feedback device operatively coupled to the implant that is configured to produce a response that is indicative of a condition of the implant which can be identified non-invasively. | 04-30-2009 |
20090112264 | PEDICLE-BASED FACET JOINT FIXATION SYSTEMS AND METHODS - The present disclosure provides pedicle-based facet fixation systems and methods. The pedicle-based construct utilized includes a pedicle screw, pedicle anchor, or the like that is selectively secured to a pedicle of a spine of a patient. The pedicle-based construct is selectively coupled to one end of a rod or other elongate member. The other end of the rod or other elongate member is selectively coupled to a clamping mechanism. This clamping mechanism is selectively secured to a facet joint of the spine of the patient, engaging one or both of the associated superior facet and inferior facet. In operation, the pedicle-based construct, rod or other elongate member, and clamping mechanism securely grasp and compress the facet joint, thereby fixing it. | 04-30-2009 |
20090118764 | ANTERIOR PARTIAL TRANSPEDICULAR STABILIZATION SYSTEM AND METHOD FOR CERVICAL SPINE - Techniques for anterior partial transpedicular stabilization for cervical spine are disclosed. In one exemplary embodiment, techniques may be realized as a vertebral stabilizing assembly comprising a first vertebral screw having a shaft with a threaded portion and an engaging portion, a second vertebral screw having a shaft with a threaded portion and an engaging portion, and a beveled connecting member configured to be coupled to the first vertebral screw and the second vertebral screw. The threaded portion of the first vertebral screw may be configured for threading engagement with a vertebral body of a first vertebra along a first plane, and the threaded portion of the second vertebral screw may be configured for threading engagement with a vertebral body of the first vertebra along a second plane. The first vertebral screw may cross the second vertebral screw but the first vertebral screw may not intersect the second vertebral screw. | 05-07-2009 |
20090118765 | Expandable Corpectomy Device - An adjustable length corpectomy device is provided with a means for providing bidirectional length adjustment and a means for selectively fixing the length of the implant. | 05-07-2009 |
20090118766 | Intervertebral Stabilization Devices - Posterior spinal stabilization devices that engage vertebral structures of at least two verterbrae and increase the stability between the two vertebrae. In some embodiments the stabilization devices engage laminae of at least two vertebrae. The devices can be adapted, however, to engage at least one of a variety of vertebral structures (e.g., spinous process, lamina, transverse process, etc.) of a plurality of vertebrae to decrease vertebral motion between at least two vertebrae. | 05-07-2009 |
20090125062 | SPINAL IMPLANT HAVING A POST-OPERATIVE ADJUSTABLE DIMENSION - A spinal implant including first spinal attachment member for attaching to a first spinal portion, second spinal attachment member for attaching to a second spinal portion, and a post-implantation variable dimension device disposed between the first and second spinal attachment members, which is operable after completing surgery in which said spinal implant was installed into a patient, to cause relative movement between the first and second spinal attachment members. | 05-14-2009 |
20090125063 | Dynamic Spine Stabilizer - A dynamic spine stabilizer moves under the control of spinal motion providing increased mechanical support within a central zone corresponding substantially to the neutral zone of the injured spine. The dynamic spine stabilizer includes a support assembly and a resistance assembly associated with the support assembly. The resistance assembly generates greater increase in mechanical force during movement within the central zone and lesser increase in mechanical force during movement beyond the central zone. A method for using the stabilizer is also disclosed. | 05-14-2009 |
20090131981 | Mobile spine stabilization device - An orthopedic device is described for stabilizing the spinal column between first and second vertebral bodies. The device has first and second screws adapted for fixation to the first and second vertebral bodies, respectively. The device further includes an elongated ligament with a first end connected to the first screw and the second end operatively connected with the second screw. The ligament is made preferably of a nickel titanium alloy selected to have ductile inelastic properties at body temperature and is capable of plastic deformation to allow relative constrained motion between the vertebral bodies. The preferred nickel titanium has a martensite/austenite transition temperature above body temperature. In a preferred embodiment, the second pedicle screw includes a bearing for receiving the ligament in a slidably engageable relationship. The device further includes optional first and second dampening members surrounding the ligament for restraining the spinal column during flexion and extension. | 05-21-2009 |
20090131982 | BONE ANCHOR AND SPINAL ALIGNMENT SYSTEM - An anchor for attaching an elongate member to bone. The anchor includes a longitudinal shaft having a tip at one end adapted to enter bone. A thread extends along the shaft for advancing the shaft into the bone and holding the shaft in place in the bone. A head is mounted on the shaft at a position spaced from the tip. The anchor also includes connector mounts spaced along the head. Each mount is adapted to connect the elongate member to the head. | 05-21-2009 |
20090131983 | BONE ANCHORING DEVICE AND BONE STABILIZATION DEVICE INCLUDING THE SAME - A bone anchoring device, includes a receiving part for receiving a rod-shaped implant element, the receiving part having a first bore coaxial with a longitudinal axis and extending from a first end of the receiving part, and a recess extending from the first end to accomplish insertion of the rod-shaped implant element. The device further includes a bone screw having a threaded section for insertion into the bone and being fixed at or positionable at a second end of the receiving part and a fixation element provided to the first bore to fixate a rigid section of the rod-shaped implant element. The rigid section of the rod-shaped implant element has a first width, and the recess of the receiving part has a second width. The second width is larger than the first width, such that the recess may accommodate a stepped portion of the rod-shaped implant element that has an increased thickness. | 05-21-2009 |
20090131984 | SPINE SUPPORT IMPLANT INCLUDING INTER VERTEBRAL INSERTABLE FLUID BALLASTABLE INSERT AND INTER-VERTEBRAL WEB RETAINING HARNESSES - An implant support device associated with succeeding spinal vertebrae, including a harness exhibiting a plurality of legs, each extending from a rotatable bearing or suitable interconnecting support. Each of the legs terminates in an angled tang, this being engaged with a surface of a selected vertebrae. Additional features include undercut portions defined between the legs and arcuate/hemispherical mounting locations surrounding the bearing in individually rotatably permitting fashion. Inter-vertebral support cushions are also positioned between succeeding vertebrae, and can be incorporated with or provided separately from the web support harnesses. | 05-21-2009 |
20090131985 | VERTEBRAL FIXING SYSTEM - The present invention relates to a vertebral fixing system adapted to be mounted on a vertebra of the spine to connect it to a rod. Said fixing system comprises: a connecting part adapted to face the rib and/or said transverse process and to be connected to said rod; an elongate flexible ligature adapted to connect together said connecting part and at least one rib and/or one transverse process; and adjustable locking means fastened to said connecting part and adapted to fix simultaneously in position said connecting part relative to said rod and at least one portion of said ligature relative to said connecting part, so as to prevent relative displacement of said rod and said vertebra in opposite directions. | 05-21-2009 |
20090138043 | THREADED ACCESS CANNULA AND METHODS OF USING THE SAME - Medical devices and methods for accessing a biological body are disclosed herein. In one embodiment, a method includes inserting a cannula at least partially into a vertebra such that a threaded portion of the cannula secures the cannula to a portion of a cortical bone of the vertebra and forms a channel within the cortical bone. A medical device is inserted at least partially through the cannula such that a distal end portion of the medical device is disposed within a portion of a cancellous bone of the vertebra. A medical procedure is performed within the cancellous bone using the medical device and then the cannula and the medical device are removed from the vertebra, leaving a channel in the vertebra having at least partially threaded interior walls. A bone screw that has threads configured to matingly engage the threaded channel is then inserted into the threaded channel. | 05-28-2009 |
20090138044 | STABILIZATION SYSTEM AND METHOD - The disclosure relates to systems and methods of spinal stabilization. Embodiments include methods of delivering a rod having a non-circular cross-sectional profile using a wire having an accommodating non-circular cross-sectional profile to inhibit movement of a rod relative to the wire. A surgical system can comprise a first sleeve advanced via a first incision to a vertebra, a second sleeve advanced via a second incision to another vertebra, a wire having a non-circular cross-sectional profile advanced via a third incision to the vertebrae and passed through the collars of bone fastener assemblies to extend from a fourth incision. A rod or a segment of a rod having a corresponding non-circular cross-sectional profile may be aligned with the wire and advanced and coupled with the vertebrae to stabilize the spine. After the rod is securely seated in the collars, the wire may be withdrawn from the body. | 05-28-2009 |
20090149885 | SPINAL FLEXION AND EXTENSION MOTION DAMPER - An orthopedic damper system and method to control the degree of flexion and/or extension motion of the mobile vertebral segment while providing additional stability to the spine. The damper system includes an anchor having a spring hitch, a spring coupled to the spring hitch, and a cap coupled to the spring. The anchor is adapted to connect to a spinous process. The spring includes an inner hollow area adapted to accommodate the spring hitch. The cap includes an opening connected to an inner cavity that is adapted to accommodate the spring and the spring hitch. | 06-11-2009 |
20090171389 | BONE FUSION DEVICE AND METHODS - A bone fusion device can include elongated interlockable segments, each having an engaging surface interlockable with the engaging surface of another segment. The segments can be inserted in between bones one at a time. A device can include an outer expandable component having outer expandable members insertable to a location between bones in an unexpanded configuration and an inner expander including surface engaging portions interlockable with inner surface engaging portions in the outer expandable members. A device can include the inner expander having an outwardly flared proximal portion that can interlock with the proximal end of the outer expandable members. A device can include a locking bridge expandable with an expandable body, such as an inflatable balloon, and movable to a locked expanded configuration. A bone fusion system, a bone fusion device kit, and/or a method for fusing bone can include such a bone fusion device. | 07-02-2009 |
20090171390 | BONE FUSION DEVICE AND METHODS - A bone fusion device, system, kit, and/or method can include an elongated structure including at least two anchor portions and at least one deformable segment connected on each end to one of the at least two anchor portions. Each deformable segment can include a plurality of spaced apart deformable members deformable from an unexpanded configuration to an expanded configuration. The bone fusion device may be implanted between two bone structures in the unexpanded configuration utilizing a minimally invasive surgical procedure. The deformable members can be compressed along a longitudinal axis of the device to deform the deformable members to the expanded configuration into contact with the two bone structures. A bone growth promoting material can be placed in the anchor portion lumen and in the interior of each deformable segment to promote bone in-growth between the bone structures. | 07-02-2009 |
20090171391 | Systems and methods for spinal fixation - A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing a mating feature in the surgical screw implant. The at least one flexible member is configured to retain the surgical screw implant. The mating feature is configured to control axial movement of the surgical screw implant. | 07-02-2009 |
20090171392 | Guide wire mounting collar for spinal fixation using minimally invasive surgical techniques - An improved guide wire having a collar member for affixation to a pedicle screw, the guide wire assembly used in a system, set of instrumentation and method comprising the combination and use of plural pedicle screws, a rod for connecting pedicle screws in a relatively rigid manner, and instrumentation means to optimize insertion of the rod into the pedicle screws, such means comprising a guide wire and instrumentation to position the guide wire in the pedicle screws, whereby the guide wire is mounted to a pedicle screw, all the screws are implanted into the vertebrae, and the rod subsequently guided into the pedicle screws along the guide wire, all using minimally invasive surgical incisions. | 07-02-2009 |
20090177230 | OSTEOINTEGRATION APPARATUS - A method for effecting reduction, stabilization and enhancement of fusion of the human cranio-cervical junction, which may be performed in order to relieve mechanical stresses imparted to the spinal cord and brainstem as a result of an abnormal clivo-axial angle, includes steps of achieving the correct craniocervical relationship, of effecting a fusion of a first portion of a bone forming material based structural member to a human cranium, and effecting fusion of a second portion of the bone forming material based structural member to a least one portion of a human cervical spine. Fusion of the bone forming material based structural member to the human cranium may be promoted through the use an osteointegration apparatus that includes a porous ossomeric mesh and a frame member. | 07-09-2009 |
20090182376 | Spine Stabilization System and Integrated Rod - Spine stabilization systems and integrated rods are disclosed. One spine stabilization system disclosed has at least four bone anchors and a stabilization member attached to the bone anchors. The stabilization member has first and second elongate portions interconnected by a connector portion. The first and second elongate members extend longitudinally and generally parallel to a central longitudinal axis and connector portion extends transverse to the central longitudinal axis from a first lateral end to a second lateral end. The connector portion is integrally connected to the first and second elongate portions such that there is no relative movement between the lateral ends and the respective elongate portion to which each end is attached. | 07-16-2009 |
20090192548 | Pedicle-laminar dynamic spinal stabilization device - Apparatus, systems and methods for decompression and dynamic stabilization of the vertebrae. A flexion construct is formed from a medial loop of a cylindrical member in a first plane that is generally parallel to the long axis of the member, and two outlying loops, generally residing in a common second plane that is generally parallel to the long axis of the member and generally perpendicular to the first plane formed by the medial loop. The medial loop and outlying loops of the flexion construct may aid in controlling distraction, compression and flexion of the assembly. Multiple level constructs may include multiple sets of loops, one set for each spinal level. The member may also include two legs that terminate in hooks or include a straight portion for attachment by another attachment means. A protective sleeve may be used between the member and any attachment means. | 07-30-2009 |
20090204148 | Adjustable Vertebral Body Elevator - An adjustable vertebral body elevator is disclosed and can include a handle and a spoon rotatably coupled to the handle by a locking assembly. The handle can rotate with respect to the spoon around an axis or rotation. Further, the locking assembly can be coaxial with the axis of rotation. | 08-13-2009 |
20090204149 | INTERLAMINAR HOOK - A medical apparatus for alleviating the symptoms associated with spinal stenosis have a body including first and second supports disposed along the length of the body. The first support is configured to accommodate at least a portion of a vertebral component of a first vertebra disposed above or below a second vertebra. The second support is configured to accommodate at least a portion of a vertebral component of the second vertebra. The distance between the supports is sufficient to increase the space between the first vertebra and the second vertebra. Methods for using the apparatus include implanting the apparatus into a subject. | 08-13-2009 |
20090204150 | Interlaminar Stabilization System - A spinal stabilization system includes vertebral engagement members and an intermediate structure. The vertebral engagement members are configured to be disposed between a first vertebra and a second vertebra. The vertebral engagement members generally include seating surfaces for accommodating at least a portion of a laminar region of adjacent vertebra and are adjustable between an operable and inoperable configuration. The intermediate structure extends between the vertebral engagement members. The structural cooperation of the vertebral engagement members and the intermediate structure is such that the engagement members distract the adjacent vertebrae. | 08-13-2009 |
20090204151 | Spinal implant device, procedure and system - A spinal implant procedure and system includes vertical rods fastened to the spine on opposite sides. A cross connector is arranged on each vertical rod and to opposite ends of a cross member. The cross member includes a block having a lateral opening and that includes a forked end that is arranged at a bottom side of a spineous process. A strap fastener include openings through which the cross member passes. An opening of the strap fastener hooks on a catch on the side of the block. The block limits prevents rotation, blocks extension and limits flexion of the affected vertebrae. | 08-13-2009 |
20090210007 | CROSS-CONNECTOR ASSEMBLY - An assembly including a connector element including a receptacle from which extends a neck, a lug element sized to fit in the receptacle of the connector element, ears pivotally connected to the lug element, and a mechanical fastener that fastens the connector element together with the lug element, thereby causing the ears to pivot and grip a connector rod placed between the ears. | 08-20-2009 |
20090216272 | METHOD AND SYSTEM FOR TRANS-LAMINA SPINAL FIXATION - A method of providing spinal stabilization is provided herein. More specifically, the method includes positioning a plurality of fixation assemblies within a plurality of vertebrae in a trans-lamina orientation wherein each fixation assembly includes a proximal portion configured to securely receive a stabilization element (e.g., a stabilization rod). The proximal portions of the various fixation assemblies can be aligned so as to secure at least one stabilization element in a desired position (e.g., along and above a midline of the patient's spine, adjacent and parallel to the midline). A system for providing spinal stabilization is also provided which utilizes trans-lamina delivery and positioning of fixation assemblies within target vertebrae thereby providing stronger fixation and a significant reduction in associated tissue damage. | 08-27-2009 |
20090216273 | CURVED FACET JOINT FIXATION ASSEMBLY AND ASSOCIATED IMPLANTATION TOOL AND METHOD - The present disclosure relates to a curved facet joint fixation assembly and an associated implantation tool and method. The curved facet joint fixation assembly includes an elongated curved shaft adapted to conform to various spinal morphologies. The implantation tool includes a bone fastening device with an angled lower end portion and a removable drive for cutting a hole and for driving the curved facet joint fixation assembly through the hole. | 08-27-2009 |
20090222042 | Implant Kit For Supporting A Spinal Column - An implant kit for supporting a spinal column comprises at least first and second support elements ( | 09-03-2009 |
20090240283 | IMPLANTS AND METHODS FOR INTER-SPINOUS PROCESS DYNAMIC STABILIZATION OF A SPINAL MOTION SEGMENT - An implant assembly for stabilizing a spinal motion segment includes a spacer which is at least partially flexible and positionable between adjacent spinous processes. The spacer member includes upper and lower surfaces structured to receive a respective adjacent one of the upper and lower spinous processes of the spinal motion segment and a body having flexibly distinctive first and second sections relative to one another configured to modify the manner of movement at the spinal motion segment. | 09-24-2009 |
20090248075 | DEVICES AND METHODS FOR CORRECTING SPINAL DEFORMITIES - The present application discloses methods for treating a spinal deformity. In one embodiment, an elongated member is attached to vertebral members with fasteners. A separate fastener may attach the elongated member to each of the vertebral members. The elongated member may apply a force to limit growth on one side of the vertebral members, such as a convex side of a scoliotic spine. Each fastener may be constructed to limit a direction of growth of the vertebral member thereby applying a specific, corrective force to the vertebral member. The fasteners may allow relative motion between adjacent vertebral members without losing the attachment between the vertebral members and the fasteners. The net result may be controlled modulation of growth to reduce and/or eliminate the spinal deformity through redirection of growth potential. | 10-01-2009 |
20090248076 | Interspinous Process Spacer Having Tight Access Offset Hooks - An interspinous spacer having a pair of hooks that, upon lateral insertion between opposed spinous process, bear upon the opposed spinous processes. | 10-01-2009 |
20090248077 | HYBRID DYNAMIC STABILIZATION - A spine stabilization for the prophylactic treatment of adjacent level disease. A first vertebral level may be fused by advancing a pedicle screw in the first and second vertebrae and coupling the bone screws to a rigid portion of a rod. A conformable ligature may be passed around a non-pedicle portion of a third vertebra and coupled to a dynamic portion of the rod using a blocking body. The dynamic properties of the dynamic portion of the rod allow movement of the third vertebra relative to the first and second vertebrae to slow down or prevent Adjacent Level Disease in the third vertebra. | 10-01-2009 |
20090248078 | SPINAL STABILIZATION DEVICE - A spinal stabilization device providing dynamic stabilization to a region of a spinal column. The spinal stabilization device is configured to be connected between a first vertebra and a second vertebra of a spinal segment. The spinal stabilization device includes a central region engaging the spinous process of the first vertebra, a first arcuate arm extending from the central region to a first piece of fixation hardware secured to the second vertebra along an arcuate path, and a second arcuate arm extending from the central region to a second piece of fixation hardware secured to the second vertebra along an arcuate path. In some embodiments, the first and second arms are pivotably connected to the first and second pieces of fixation hardware with pivot connections. | 10-01-2009 |
20090259254 | Apparatus ans method for aligning and/or stabilizing the spine - Apparatus for use in stabilizing and/or aligning the spinal column. The apparatus utilizes hooks and rods to effectively transfer load from the vertebrae to the apparatus regardless of the angle and the height of the pedicular screws. The screws are retained to a screw cap that includes a hook forming a cradle for receiving the rod therein and a bore to which an extension is releasably secured. The extension includes a plurality of notches forming a ladder, each notch being formed so as to releasably retain the rod to the notch so that the rod can be moved down the ladder until it is positioned in the cradle of the screw cap, after which the extension is removed from the screw cap and a set screw is utilized to secure the rod in the cradle. The apparatus is also configured for transverse spinal fixation with rods that extend across the vertebral body to which longitudinal rods are affixed. | 10-15-2009 |
20090264926 | Spinal Fixation System - Embodiments of a spinal implant system include a fixation element, a connector body, and a compression member. The fixation element has a bone engaging portion, a pivoting portion, and a hinge portion. The hinge portion permits pivotal motion of the pivoting portion relative to the bone engaging portion. Additionally, the connector body defines a channel configured for receipt of an elongate member and defines an elongate slot configured for receipt of the pivoting portion of the fixation element. The pivoting portion is positionable in any one of a plurality of positions along the elongate slot. The compression member is adapted to engage the pivoting portion of the fixation element and press against the connector body to lock the pivoting portion at a desired angular position relative to the bone engaging portion and lock the connector body to the fixation element at the desired position along the elongate slot. | 10-22-2009 |
20090264927 | Spinous process stabilization device and method - A fixation device to immobilize a spinal motion segment and promote posterior fusion, used as stand-alone instrumentation or as an adjunct to an anterior approach. The device functions as a multi-level fusion system including modular single-level implementations. At a single-level the implant includes a pair of plates spanning two adjacent vertebrae with embedding teeth on the medially oriented surfaces directed into the spinous processes or laminae. The complementary plates at a single-level are connected via a cross-post with a hemi-spherical base and cylindrical shaft passed through the interspinous process gap and ratcheted into an expandable collar. The expandable collar's spherical profile contained within the opposing plate allows for the ratcheting mechanism to be correctly engaged creating a uni-directional lock securing the implant to the spine when a medially directed force is applied to both complementary plates using a specially designed compression tool. The freedom of rotational motion of both the cross-post and collar enables the complementary plates to be connected at a range of angles in the axial and coronal planes accommodating varying morphologies of the posterior elements in the cervical, thoracic and lumbar spine. To achieve multi-level fusion the single-level implementation can be connected in series using an interlocking mechanism fixed by a set-screw. | 10-22-2009 |
20090270916 | IMPLANTS FOR SECURING SPINAL FIXATION ELEMENTS - Embodiments of the present invention provide an implant having a protrusion. The protrusion aids in the insertion and placement of the implant as well as the spinal fixation element. In certain embodiments the protrusion may be configured as a guide for the insertion of the spinal fixation element as well as closure mechanisms for connecting the spinal fixation element to the implant. | 10-29-2009 |
20090270917 | DEVICE AND METHOD FOR IMPLANTATION THAT RESTORES PHYSIOLOGIC RANGE OF MOTION BY ESTABLISHING AN ADJUSTABLE CONSTRAINED MOTION OF THE SPINE WITHOUT INTRUSION OF ASSOCIATED FACET JOINTS - A device and method of insertion and use that provides for adjustable, constrained motion of a spinal motion segment that is affected by degenerative disease, microinstability, etc. is disclosed. The device does so by establishing a specified range of motion of said target motion segment. The specified range of motion is thought to recapitulate the natural planes of movement and, in this fashion, the device restores the natural, physiologic motion of said target motion segment. | 10-29-2009 |
20090275981 | Artificial Ligament Assembly - An artificial ligament assembly for spinal stabilization includes an outer hollow elastic longitudinal member, a rigid inner member, a bone anchor mechanism, a bone anchor, and a buffered space. The artificial ligament assembly further includes a clamp that controls a torsional motion of the outer hollow elastic longitudinal member with respect to the bone anchor mechanism. The outer hollow elastic longitudinal member is at least as long as the inner rigid member. The rigid inner member is configured in a substantially same shape as the outer hollow elastic longitudinal member. The bone anchor mechanism is coupled to the outer hollow elastic longitudinal member. The bone anchor connector may further include an insert end. The bone anchor is coupled to the bone anchor mechanism. The buffered space allows any of a compression and an extension of the bone anchor mechanism inside the outer hollow elastic longitudinal member. | 11-05-2009 |
20090281571 | MINIMALLY INVASIVE SPINAL STABILIZATION SYSTEM - A spinal stabilization system includes an implant and instrumentation for stabilizing the spine. In one embodiment, the system includes a plate having a side rail and a channel extending adjacent the side rail. A pedicle screw assembly is positioned in the channel in releasable engagement with the side rail. The pedicle screw assembly includes a polyaxial screw seated in a lower housing having a lower locking flange. An upper housing having an upper locking flange secures the plate to the lower housing. The side rail of the plate is releasably engaged between the upper locking flange and the lower locking flange. The upper and lower housings include on-board locking mechanisms for fixing components in the screw assembly. The screw assembly and plate are inserted and oriented by remote manipulation. Minimally invasive techniques for inserting the implant are performed with the instrumentation, and cause minimal disturbance to surrounding tissue. | 11-12-2009 |
20090281572 | DYNAMIC INTERVERTEBRAL STABILIZATION SYSTEM - A vertebral dynamic stabilization system is used to fix the positional relationship of adjacent vertebrae of the spine. The vertebrae stabilization system includes at least two pedicle screws, with an interconnecting rod disposed therebetween, the pedicle screws each having a threaded shaft to be screwed into a vertebra segment, and a screw head adapted to securely receive the interconnecting rod. The system allows some compression and extension of the vertebrae relative to each other, while still maintaining the overall positional relationship within an appropriate range. | 11-12-2009 |
20090287248 | SPINAL STABILIZATION SYSTEM - A spinal stabilization system is disclosed. The spinal stabilization system can include at least one anchorage component and a surgical rod. The anchorage component has a superior end, an inferior end, and an axial passage therebetween. The surgical rod is configured to be installed at least partially within the axial passage of the anchorage component. The surgical rod includes an elongate body having a first end and a second end. The first end or the second end is adapted to engage the superior end or the inferior end of the anchorage component. Further, the surgical rod is configured to substantially constrain rotational movement within the anchorage component. | 11-19-2009 |
20090287249 | ORTHOPEDIC IMPLANT - An orthopedic implant, illustratively a spinal staple, including pre-attached fasteners. | 11-19-2009 |
20090299411 | System and Method for Replacement of Spinal Motion Segment - A system for flexibly stabilizing a vertebral motion segment of the facet joint by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other and a part of the first and second attachment portions extend towards each other on opposing walls of the elongate connection element. | 12-03-2009 |
20090299412 | PERCUTANEOUS FACET JOINT FUSION SYSTEM AND METHOD - Apparatus and methods for percutaneously fusing or stabilizing a bony surface. | 12-03-2009 |
20090312797 | Minimally invasive instruments and methods for inserting implants - Instruments and methods for inserting one or more implants to a surgical site in a patient in a surgical procedure, including minimally invasive surgical procedures are provided. The implant is mountable to the instrument in a reduced profile orientation and after insertion is manipulated with the insertion instrument to the desired orientation. | 12-17-2009 |
20090326580 | SPINAL FIXATION DEVICE - A spinal fixation assembly has a bone screw with head having a continuously curved spherical outer surface. The curved surface nests in a split annular bushing having a plurality of segments curving around the screw head. The bushing has an outward extending flange that fits into a recess in a socket in a fixation plate. The plate has at least three legs which extend from ends of a cross-member to form one of an H shaped, X shaped or A shaped configuration. Each socket is curved to rotatably receive rotation of the bushing. The socket recess is larger than the bushing flange to allow the bushing to tilt a predetermined amount depending on a thickness of the outward extending flange. | 12-31-2009 |
20100004685 | IMPLANTABLE DEVICE AND METHOD OF FORMING - An implantable device includes a first arm member, a second arm member, a compressible member disposed between and coupled to the first arm member and the second arm member, and a tensioning member coupled to the first arm member and the second arm member. Wherein upon moving the first arm member toward the second arm member the tensioning member translates within the first arm member. | 01-07-2010 |
20100004686 | TAPERED-LOCK SPINAL ROD CONNECTORS AND METHODS FOR USE - A spine stabilization system having cylindrical bodies, plates, transverse members and resilient inserts for coupling a rod to bone fasteners. A first resilient insert may be positioned on a first rod. A cylindrical body, plate or transverse member may be positioned on the first resilient insert such that the first resilient insert is in a passage. A second resilient insert may be positioned on a second rod and positioned in the cylindrical body, plate or transverse member. The resilient inserts are advanced into the cylindrical body, plate or transverse member to lock the resilient inserts in place and couple the rods. | 01-07-2010 |
20100004687 | POSTERIOR SPINAL RECONSTRUCTION SYSTEM - A system may be fixed in place to stabilize a spinal fusion, or released for dynamic motion, thereby providing stability with flexibility in conjunction with artificial mechanical or plasma discs, or normal physiologic discs. In terms of apparatus, the invention involves pedicle fixation utilizing a superior facet complex (SFC) with soft tissue attachment points. The SFC receives one or more inferior facet gliding arms (IFGAs) and associated joints which permit flexion, extension, lateral bending and/or other movements. | 01-07-2010 |
20100010540 | Device for vertebral stabilization - A device for fixing vertebral has developed that is comprising: a constrainer having a constraint base and a constraint mount forming two lateral cutouts for receiving a connecting rod; an anchor having a screw for installing into the vertebral, a stem to be inserted into the constrainer, and an annular ring; a pivot having an insertion hole, a plurality of slits extended from a mouth of insertion hole, a snap-fitting groove forming on the inner peripheral surface for snapping-fit to the annular ring: and a constraint nut having a male thread formed on outer peripheral surface, and a hexagonal recess on the head for rotating by a tool. When the constraint nut is rotated clockwise, the constraint members and connecting rod are depressed against the peripheral seat to be immobile. But, the counterclockwise rotation of constraint nut makes the constraint members releasing and the pivot is free to swivel with respect to the anchor. | 01-14-2010 |
20100010541 | SPINAL FIXATION PLATES AND PLATE EXTENSIONS - A spinal fixation plate that is adapted to be implanted in a variety of positions in the occiput is provided. In general, the plate has a substantially planar configuration and it includes a mid-line or central portion having several thru-bores formed therein, and first and second opposed branch portions that extend from the central portion and that also include at least one thru-bore formed therein. The configuration of the branch portions relative to the central portion, as well as the position of the mid-line thru-bores formed in the central portion in relation to the thru-bore(s) formed in each branch portion, allow the spinal fixation plate to be implanted in a variety of positions in the occiput, thus allowing the optimal implant site to be selected. | 01-14-2010 |
20100023057 | DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE - An implant or endoprosthesis suitable to be implanted in human or animal tissue comprises two (or more than two) parts to be joined in situ. Each one of the parts comprises a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations comprises a material which is liquefiable by mechanical vibration and the other one of the joining locations comprises a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected pressing the two device parts against each other and by applying vibration, e.g. ultrasonic vibration, to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other. Preferably, at least one of the device parts is fixed to the tissue before or during the joining process. Such fixing is advantageously effected with the aid of a further liquefiable material and mechanical vibration which results in an anchorage of the part by interpenetration of the tissue by the liquefiable material. | 01-28-2010 |
20100023058 | JOINT PROSTHESIS FOR TOTAL LUMBAR ARTHROPLASTY BY POSTERIOR APPROACH - The total arthroplasty joint prosthesis includes connectors ( | 01-28-2010 |
20100030266 | POSTERIOR ELEMENT RIGID RETENTION SYSTEM AND METHODS OF USING SAME - A rigid fixation system for stabilizing the posterior element(s) of the spine is provided. The system includes a components that surround a spinous process of the affected vertebra(e). The system also includes a component that allows the assembled system to articulate to allow better positioning of the assembly and to provide maximum purchase with the bony surface of the spinous process. A method of stabilizing posterior element(s) of the spine is also provided. | 02-04-2010 |
20100030267 | SURGICAL TOOL AND METHOD FOR IMPLANTATION OF A DYNAMIC BONE ANCHOR - A surgical implantation tool and method is provided for implanting a dynamic bone anchor into a vertebra. The tool has an internal bore in which the deflectable post fits and a socket which engages the bone anchor. A quick release mechanism secures the deflectable post in the bore so that the bone anchor and implantation tool are held together during implantation. The implantation tool is sized to fit through a cannula to the operative site to allow minimally invasive implantation of the dynamic bone anchor. | 02-04-2010 |
20100030268 | LOAD-SHARING ANCHOR HAVING A DEFLECTABLE POST AND CENTERING SPRING AND METHOD FOR DYNAMIC STABILIZATION OF THE SPINE - A dynamic spinal stabilization bone anchor which supports the spine while providing for the preservation of spinal motion. The dynamic bone anchor provides load sharing while preserving range of motion and reducing stress exerted upon the bone anchors and spinal anatomy. The dynamic bone anchor includes a deflectable post connected by a ball-joint to a threaded anchor. Deflection of the deflectable post is controlled by a centering spring. The force/deflection properties of the dynamic bone anchor may be adapted to the anatomy and functional requirements of the patient. The dynamic bone anchor may be used as a component of a dynamic stabilization system which supports the spine while providing for the preservation of spinal motion. | 02-04-2010 |
20100036417 | MULTI-AXIAL SPINAL FIXATION SYSTEM - A spinal fixation system includes a rod and anchor devices that include a bone engaging fastener having a head defining a spherical socket. A ball insert is placed within the socket and rotated so that the ball insert is juxtaposed with the socket. The anchor device further includes a yoke defining a yoke channel for receiving the rod and a stem engaged to the ball insert captured within the socket. A sleeve disposed between the yoke channel and the fastener head supports the rod. A set screw is operable to clamp the rod against the sleeve and draw the insert into engagement within the socket. A friction element in the form of a wave spring is disposed between the yoke and the fastener head is configured to releasably retain the yoke in at least one discrete position relative to the fastener. | 02-11-2010 |
20100036418 | FACET AUGMENTATION - A method for augmenting or replacing a spinal facet ( | 02-11-2010 |
20100042149 | PELVIC OBLIQUITY CORRECTION INSTRUMENT - A pelvic obliquity correction instrument and methods of use are provided. The pelvic obliquity correction instrument includes a first engagement arm for engaging a portion of a spinal fixation system where the first engagement arm is adjustably coupled to a handle assembly. The pelvic obliquity correction instrument also includes a second engagement arm for engaging a second portion of the spinal fixation system. A surgeon exerts force on a first grip at a first end of the handle assembly and a second grip at a second end of the handle assembly to reposition a patient's pelvic bone. The pelvic obliquity correction instrument may provide a surgeon with greater precision, control and torque when rotating a patient's pelvic bone with respect to a superior portion of the patient's spine. | 02-18-2010 |
20100057125 | VERTEBRAL FIXATION SYSTEM - A vertebral stabilization assembly for stabilizing a vertebral segment. The assembly includes a vertebral anchor, a first stabilization member, a second stabilization member, and a threaded fastener. A post of the first stabilization member is configured to be positioned in a first socket of the head portion of the vertebral anchor and a post of the second stabilization member is configured to be positioned in a second socket of the head portion of the vertebral anchor. The threaded fastener is configured to threadedly engage a threaded opening of the head portion such that when the threaded fastener is threaded into the threaded opening, the threaded fastener engages both the post of the first stabilization member and the post of the second stabilization member. | 03-04-2010 |
20100057126 | DYNAMIC VERTEBRAL FASTENER - A spinal fixation assembly for connecting an elongate member along a region of a spinal column with a plurality of fasteners is disclosed. The spinal fixation assembly comprises a threaded fastener having a first threaded end region and a second end region configured to receive an elongate member, such as a rod. A locking member is included for securing the elongate member within the second end region. The second end region and the locking member include elastomeric members that contact the elongate member to allow for a degree of dynamic movement. | 03-04-2010 |
20100057127 | Expandable Laminoplasty Fixation System - The present invention relates to a medical implant for bone surgery, and more specifically to a vertebral fixation system with an expandable configuration. Such implants are particularly useful for securing and expanding transected spinal vertebrae following laminoplasty procedures. | 03-04-2010 |
20100057128 | ANTERIOR CERVICAL INSTRUMENTATION SYSTEMS, METHODS AND DEVICES - Anterior cervical instrumentation systems, methods, and devices are disclosed. Systems may facilitate immobilizing or providing support for the cervical portion of the vertebral column of a patient. A device may comprise a plate having two channels located in a proximal to distal direction, and may further comprise at least one aperture. The device may further comprise attachment elements such as attachment cross-links and spacer cross-links, and fasteners. The plate and the attachment elements may be secured to the vertebrae by passing fasteners through apertures and channels. The length of the plate, position and number of the attachment cross-links, position and number of spacer cross-links and degree of movement may be intraoperatively selected by the surgeon to provide an optimal application and procedural outcome. Uniform components of the devices and systems allow for a more streamlined and simplified method of treating spinal conditions. | 03-04-2010 |
20100082064 | METHOD FOR COATING METALLIC SURFACES OF MEDICAL DEVICES WITH AN ANTI-INFECTIVE AGENT - A method of coating metallic surfaces of medical devices with an anti-infective agent is disclosed. Specifically, a method of providing a discontinuous coating of triclosan on the metallic surface of a medical device is disclosed. | 04-01-2010 |
20100087858 | DYNAMIC CONNECTOR FOR SPINAL STABILIZATION AND METHOD OF USE - Disclosed are novel dynamic rod systems and methods that provide robust fixation and a reliable resistor to motion. A first end of a movable orthopedic implant is attached onto a first vertebral bone of a functional spinal unit and a second end onto a second vertebral bone of a functional spinal unit. The implant has a longitudinal axis and permits movement of the attached vertebral bones along that longitudinal axis. The device may contain a member that is adapted to resist movement wherein longitudinal movement of a first device member relative to a second device member produces rotational movement about the long axis the device within the resisting member. | 04-08-2010 |
20100094343 | UNIPLANAR SCREW - A spinal stabilization system for surgical implantation in the spine having a bone fastener. The bone fastener is provided with a head portion and a shaft portion. A housing is also provided with a recess defined by sidewalls and an opening for receiving the head portion of the bone fastener. A seating element is disposed within the housing and positioned over the head portion of the bone fastener. An elongate rod is positioned on the seating element within the recess of the housing. The system also includes a cap capable of engaging with a top portion of the housing and capturing the elongate rod within the recess of the housing when the cap is rotated. The bone fastener articulates in a single plane with respect to the housing and the seat element. | 04-15-2010 |
20100094344 | Pedicle-Based Posterior Stabilization Members and Methods of Use - The present application is directed to pedicle-based posterior stabilization members and methods of stabilizing vertebral members. The stabilization members generally include a body with first and second connector sections. The first connector section is configured to connect to a pedicle of a first vertebral member. The second connector section is configured to contact an adjacent vertebral member. The second connector section may be positioned at an end of the body, or an intermediate section away from the end. | 04-15-2010 |
20100106189 | ANCHOR WITH TWO MEMBER SECURING MECHANISM FOR ATTACHING AN ELONGATED MEMBER TO A BONE - A device to attach an elongated member to a bone in a patient with the device including a receiver with arms that are spaced apart that form a channel sized to receive the elongated member, and a groove on an inner surface of at least one of the arms. A shaft may be operatively connected to the receiver and configured to attach to the bone. A securing mechanism is attached to the receiver that includes an outer member and an inner member. The outer member may include a bore and a non-threaded exterior that may be configured to engage with the groove to attach the securing mechanism to the receiver. The second member may be sized to fit in the bore and move axially along the bore in a non-rotational manner. The second member may also include a compressible extension sized to fit in the bore when the extension is moved in the bore and to expand to a width greater than the bore when the second member extends outward beyond the bore. | 04-29-2010 |
20100114165 | POSTERIOR DYNAMIC STABILIZATION SYSTEM WITH PIVOTING COLLARS - A dynamic spinal stabilization system. The system can include a spinal stabilization rod and a pivoting collar which can be attached to a vertebra. The pivoting collar can define a bore which has internal surfaces and corresponding contact points. The bore can accept the rod and allow it to pivot about a contact point. The internal surfaces can be structured, shaped, and dimensioned to limit the range of motion of the rod in some or all directions. One portion of the rod can be flexible while another portion of the rod can be flexible. The flexible portion of the rod can engage the pivoting collar and bend within the pivoting collar to provide a greater range of motion. | 05-06-2010 |
20100137908 | Dynamic Stabilization System Components Including Readily Visualized Polymeric Compositions - The disclosure is directed to vertebral stabilization systems including polymeric components having improved selective visualization means, methods of improving the selective visualization of polymeric components of a vertebral stabilization system, and methods of using vertebral stabilization systems including polymeric components having improved selective visualization means to monitor the vertebral stabilization systems during their useful life. | 06-03-2010 |
20100137909 | METHOD FOR POSTOPERATIVELY COMPRESSING A BONE GRAFT - A method for postoperatively compressing a bone graft between adjacent spinal vertebrae utilizing first and second plates having openings at remote ends for receiving bone screws to fix the plates to respective vertebrae on opposite sides of a bone graft-receiving site. The first and second plates have male and female parts having interlocking elements cooperable with one another enabling movement of the plates and the adjacent vertebrae to one another to progressively compress the bone graft between the adjacent vertebrae and prevent movement of the first and second plates and adjacent vertebrae away from one another. | 06-03-2010 |
20100145386 | IMPLANTABLE SUPPORT DEVICE AND METHOD OF USE - A plastically-deformable spinal stabilization plate is disclosed. The spinal stabilization plate can have a number of screw-holding sockets to facilitate attachment to spinal vertebra. The spinal stabilization plate can be provided with connection points to facilitate controlled deformation or transformation of the plate by use of a deformation tool. A deformation tool is also disclosed for use in transforming the plate. The spinal stabilization plate can have a deformation area with deformation struts and apertures to facilitate a controlled deformation in a predetermined direction in response to particular deformation forces. | 06-10-2010 |
20100160964 | FLEXIBLE SPINAL STABILIZATION SYSTEM - Flexible spinal stabilization apparatuses are provided. The apparatuses include a flexible support element configured to be attached to a first vertebra and a second vertebra. The apparatuses also include a bone growth promoter coupled to the flexible support element. The flexible support element spans one or more intervertebral spaces but the bone growth promoter does not. | 06-24-2010 |
20100160965 | Bone Anchor Assembly and Methods of Use - A method of treating the spine of a patient involves inserting anchors into vertebrae and connecting the anchors to a longitudinal member via housings. After insertion of the anchors, the housings containing a longitudinal member are positioned over the anchors and fastened. | 06-24-2010 |
20100160966 | Antero-lateral plating systems and methods for spinal stabilization - A plating system for stabilization of a bony segment includes a plate engageable to at least first and second bony elements. For spinal stabilization, the plate is attached to the antero-lateral portions of at least first and second vertebrae and is structured to facilitate engagement of the plate to the vertebrae from an approach extending in the anterior-posterior directions. | 06-24-2010 |
20100168793 | SYSTEM COMPRISING A PLATE AND PEDICLE SCREWS, AND ITS APPLICATIONS - A lumbar plate, which can be implanted by a posterior approach in order to partially immobilize adjacent vertebrae, includes two holes ( | 07-01-2010 |
20100174313 | Sealed Lubrication System and Method for Dynamic Stabilization System - A dynamic screw assembly includes a fixation component that connects to a vertebral body, the fixation component includes at least one inlet to allow a lubricant to pass inside the fixation component, a ring member coupled to the fixation component, a stopper sealing at least one inlet, a coupling member includes an inwardly curved bottom portion and a bulbous end extending from the inwardly curved bottom portion, a bumper mechanism coupled to the fixation component and the coupling member, a longitudinal member coupled to the coupling member, and a blocker that retains the longitudinal member in the coupling member. The bulbous end includes at least one groove that houses the lubricant, and at least one slot to allow the bulbous end to fit into the fixation component and to limit a range of angulation of the coupling member with respect to the fixation component. | 07-08-2010 |
20100174314 | METHOD AND APPARATUS FOR SPINAL STABILIZATION - A method of limiting at least one degree of movement between a superior vertebral body and an inferior vertebral body of a patient includes advancing a distal end of a stabilization device into a pedicle of the inferior vertebral body. A proximal portion of the stabilization device is positioned such that the proximal portion limits at least one degree of movement between a superior vertebral body and an inferior vertebral body by contacting a surface of the superior vertebral body. | 07-08-2010 |
20100185239 | LAMINOPLASTY APPARATUS AND METHODS - A simple yet effective adjustable laminoplasty implant and procedure includes a member positioned within or through a hole formed through a spinous process, and an elongated element is provided with a medial end coupled to the member and a lateral end configured for engagement with a bone mass fixation device. The elongated element may be a bent rod. The rod may have a medial end with a cross-section that is smaller than that of the lateral end. The member positioned within or through a hole formed through a spinous process may be a sleeve with angled endcaps. The endcaps may include bone-engaging teeth. Alternatively, the sleeve may have a central bore and barbs that engage with surrounding bone when an elongated member is inserted in the bore. The mass fixation device may a pedicle screw. The pedicle screw may be configured to receive a transverse rod. Alternatively, the mass fixation device may itself be a rod. Method of performing a laminoplasty In accordance with the invention are also disclosed. | 07-22-2010 |
20100211100 | APPARATUS FOR SPINAL-COLUMN STABILIZATION - The invention relates to a device for stabilizing the spine, comprising a bone screw ( | 08-19-2010 |
20100211101 | Spinous Process Stabilization Devices and Methods - Devices and methods for supporting adjacent spinous processes include opposing plates movable toward one another along a cross post to contact opposite sides of each of the spinous processes, and a spacer member about the cross post contacting the adjacent surfaces of the spinous processes to resist movement of the spinous processes toward one another under spinal extension motion. | 08-19-2010 |
20100217319 | SYSTEM AND METHOD FOR SPINAL STABILIZATION - Various stabilization rods and methods for manufacturing a connection member having a flexible section coupled between two rigid sections are disclosed. The rigid sections may have exterior surfaces adapted to have an increased surface area to inhibit the flexible section from separating from the rigid sections. | 08-26-2010 |
20100222814 | SYSTEM AND METHOD FOR STABILIZING THE HUMAN SPINE WITH A BONE PLATE - Embodiments disclosed herein provide a spinal plate system and method for fixation of the human spine. In an embodiment, the spinal fixation system includes a plate, a coupling member, a locking system for substantially locking the coupling member in a desired position, and an anchoring system to secure the coupling member in the locking system. The plate may have a hole that allows the coupling member to couple the plate with a bone. At least a portion of the coupling member may swivel in the hole so that a bottom end of the member may extend at a plurality of angles substantially oblique to the plate. The locking system may lock the coupling member in desired positions relative to the plate. The anchoring system may secure the coupling member in the locking system to inhibit the coupling system from detaching from the locking system when stressed. | 09-02-2010 |
20100228288 | SYSTEM AND METHOD FOR PROTECTING NEUROVASCULAR STRUCTURES - Devices and methods for protecting the neurovascular structures about the vertebral column are provided. One embodiment of the invention comprises a neuroprotective stent or device adapted for placement in an intervertebral foramen of a vertebral column and configured to resist compression or impingement from surrounding structures or forces. The stent or device may further comprise a flange or hinge region to facilitate attachment of the device to the vertebrae or to facilitate insertion of the device in the foramen, respectively. | 09-09-2010 |
20100234888 | DYNAMIC CERVICAL PLATE - A dynamic cervical plate includes a first end section and a second end section. In embodiments, the dynamic cervical plate may include one or more middle sections positioned between the first and second end sections. Each section may be longitudinally repositionable. Each section may include a plurality of openings for receiving threaded fasteners such as a self-starting screw or a self-tapping screw. In addition, each section may include an orifice for releasably mating with a drill guide. Each of the end sections may include a notch at one end for aligning with the drill guide or fixation pins. In one embodiment, a pin is used to interconnect the sections. In other embodiments, support bars are used to limit flexure between sections. In embodiments, one or more locking elements and/or one or more support bars may operably interconnect each section. | 09-16-2010 |
20100249836 | ALIGNMENT SYSTEM WITH LONGITUDINAL SUPPORT FEATURES - Some embodiments relate to systems, devices, and associated methods for correcting spinal column deformities that help minimize a number of attachment anchors utilized for correction, facilitate use of straight or contoured rods, and/or help promote a more natural, physiologic motion of the spinal column. | 09-30-2010 |
20100249837 | SEMI-CONSTRAINED ANCHORING SYSTEM - Systems, devices, and associated methods for correcting spinal column deformities that help minimize a number of attachment anchors utilized for correction, facilitate use of straight or contoured rods, and/or help promote a more natural, physiologic motion of the spinal column. | 09-30-2010 |
20100249838 | Multizone Implants - Medical devices having more than one degradation zone or degradation mechanism are used for orthopedic repair devices and soft tissue fixation devices. | 09-30-2010 |
20100262187 | SYSTEMS AND DEVICES FOR DYNAMIC STABILIZATION OF THE SPINE - A dynamic stabilization device, system, and method for use with a spinal motion segment includes a first bone anchor assembly, a second bone anchor assembly, a first articulation element and a second articulation element. The first articulation element includes an end portion engageable with the first bone anchor assembly, a first articulation surface, and a resilient element therebetween. The first articulation surface is separably engageable with a second articulation surface associated with the second articulation element. The resilient element provides resilient resistance when the first and second bone anchor assemblies are moved toward one another and provides no resistance and is separable from the second bone anchor assembly when the first and second bone anchor assemblies are moved away from one another. | 10-14-2010 |
20100274285 | ELASTOMERIC SPINAL IMPLANT WITH LIMIT ELEMENT - Embodiments of the invention may include a spinal implant that has both an elastomeric element for connecting between two anatomic structures and a limit element wrapped transversely around the elastomeric element along at least a portion of the elastomeric element. The limit element may be separately or in conjunction connected to the two anatomical structures. | 10-28-2010 |
20100292734 | MULTI-LAYER OSTEOINDUCTIVE, OSTEOGENIC, AND OSTEOCONDUCTIVE CARRIER - A multi-layer osteogenic, osteoconductive and/or osteoinductive carrier device or system for applying an osteoinductive substance to a bone surface, and methods for making and using said carrier are disclosed. The multi-layer osteogenic carrier device can comprise a delivery layer comprising a porous material and an osteogenic material; and a support layer in communication with the delivery layer, the support layer capable of substantially conforming to an anatomical feature, wherein the support layer can hold the delivery layer in proximity to the anatomical feature. The multi-layer osteogenic carrier device can further comprise an adhesive layer capable of adhering the carrier to at least a portion of an anatomical feature, the adhesive layer in communication with at least a portion of the delivery layer. The carrier can be applied to and compressed to conform to the decorticated bone of a fusion site and kept in place by a rod clip attached to a spinal stabilization system. The carrier promotes fusion at least in part by providing an osteoinductive and osteoconductive substance at a target fusion site but also has the potential to be used with osteogenic material. | 11-18-2010 |
20110004245 | Spine Fixation Device - A spine fixation device is provided. The spine fixation device includes a bone screw, a fixation carrier, and a first locking member. The fixation carrier is rotatably coupled to a fixation unit of the bone screw. The first locking member conjugates the fixation carrier and the bone screw together. A screw unit of the bone screw is implanted into a vertebra. As the fixation carrier is rotatably coupled to the bone screw, the bone screw remains fastened to the vertebra while the fixation carrier is rotated. Through rotational adjustment of the fixation carrier, U-shaped openings of the fixation carrier are adjustable in direction. Thus, the disposition angle of a rod disposed in the U-shaped openings is easily adjustable by rotating the fixation carrier. As a result, the rod can fit an angle of the spine while surgical complexity is reduced. | 01-06-2011 |
20110004246 | INTERNAL OSTEODISTRACTION DEVICE - The invention relates to an internal osteodistraction device, which includes two fixing points ( | 01-06-2011 |
20110022088 | SPINAL ROD INSERTION TOOL AND METHOD - Embodiments described herein provide systems and methods for inserting a spinal stabilization rod. A rod insertion tool can include a body defining a passage, a pivot rod disposed in the passage and a rod retaining member. Movement of the pivot rod can cause the rod retaining member to rotate and consequently the spinal stabilization rod to rotate. The rod insertion tool can be sized to fit through channels in sleeves used during implantation of a spinal stabilization system. | 01-27-2011 |
20110029018 | VARIABLE RESISTANCE SPINAL STABLIZATION SYSTEMS AND METHODS - Systems, devices and methods for stabilizing a portion of the spinal column using one or more elongate members anchored to a number of vertebrae. The elongate member includes a portion configured to prevent, or at least substantially resist, lateral bending motion of one or more vertebral levels while allowing flexion and extension motion of the one or more vertebral levels. | 02-03-2011 |
20110029019 | ASSEMBLIES FOR PROVISION OF THERAPY TO MOTION SEGMENTS - Disclosed are methods and apparatus for the provision of spinal therapy to two or more adjacent motion segments accessed through a trans-sacral approach. The spinal therapies include fusion and dynamic stabilization with and without a distraction of the most cephalad motion segment of the two or more adjacent motion segments provided therapy. The disclosure includes methods and apparatus to impart a push distraction to increase the distance between two adjacent vertebrae. Related concepts for the extraction of previously inserted devices and the delivery and removal of plugs for plugging the interior cavities of implantable devices are disclosed. | 02-03-2011 |
20110040328 | SYSTEM AND METHOD FOR PERFORMING VERTEBRAL REDUCTION USING A SLEEVE - Embodiments described herein provide systems and methods for vertebral reduction using sleeves detachably coupled to collars of bone fasteners. The reduction can be performed during a minimally invasive procedure for implanting spinal stabilization systems. A sleeve can include internal threads that match threads on the respective collar to form a continuous set of threads. Threads on a closure member can be engaged with the threads on the sleeve and the closure member turned to translate the closure member along the sleeve. The closure member can be used to push a rod relative to the collar to which the sleeve is attached to cause a vertebral body to move. | 02-17-2011 |
20110040329 | SPINAL THERAPY DEVICE WITH FIXATED DISTRACTION DISTANCE - Assemblies for implantation across one or more spinal motion segments to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of intervertebral disc space through controlled movement of a pair of anchored bone anchors towards one another. | 02-17-2011 |
20110046672 | VERTEBRAL PARS INTERARTICULARIS CLAMP A NEW SPINE FIXATION DEVICE, INSTRUMENTATION, AND METHODOLOGY - An improve spinal surgical implant used primarily in the posterior aspect of the spinal column for spinal reconstruction; revision surgery; deformity correction; and/or tumor surgery and/or trauma surgery of the cervical, thoracic and/or and lumbo-sacral spine. | 02-24-2011 |
20110054528 | Dynamic plate system having moveable segments - A plating system includes moveable plate segments to vary the overall length of the plate. The plating system is capable of both passive and active dynamization and has the ability to produce the former from the latter. | 03-03-2011 |
20110054529 | THREADED INTERBODY SPINAL FUSION IMPLANT - The present invention is directed to a variety of interbody spinal fusion implants having at least a partially frusto-conical configuration. An external thread is employed to increase implant stability and implant surface area, and for the purpose of advancing the spinal fusion implant into the fusion site. The spinal fusion implants of the present invention may be relatively solid or hollow and may have surface roughenings to promote bone ingrowth and stability. The spinal fusion implants of the present invention may have wells extending into the material of the implant from the surface for the purpose of holding fusion promoting materials and to provide for areas of bone ingrowth fixation. | 03-03-2011 |
20110060365 | RADIOLUCENT STABILIZING ROD WITH RADIOPAQUE MARKER - A stabilizing rod includes an elongate shaft extending between a proximal end and an opposing distal end. The shaft is comprised of a radiolucent material and bounds a passageway that at least partially extends between the proximal end and the distal end. A core is disposed within the passageway of the shaft. The core can be comprised of a radiopaque material. The stabilizing rod can also include a radiopaque marker disposed on or within the shaft. | 03-10-2011 |
20110098744 | METHODS AND APPARATUS FOR VASCULAR PROTECTION IN SPINAL SURGERY - Methods and apparatus provide for: coupling an elongate guide substantially at a first end to at least one vertebral body of a spinal column of a patient; and extending a second end of the guide to a structure of the patient spaced in an anterior direction away from the at least one vertebral body towards an entry incision. | 04-28-2011 |
20110106157 | Self-Locking Interference Bone Screw for use with Spinal Implant - The present invention is generally directed to a unique bone screw which, in one form, may be used to engage with and attach an implant to bone or bony tissue. In one embodiment, a bone screw includes an elongate shank extending along a longitudinal axis from an enlarged proximal head portion to a distal tip. The elongate shank includes a first portion having a first non-tapered, linear external profile and a second portion having a first tapered external profile that increases toward the proximal head portion. The second portion is positioned between the first portion and the head portion and terminates distally of the proximal head portion. In one form of this embodiment, the bone screw can be advanced through a passage of an implant such that an interference fit is provided between the bone screw and the implant. | 05-05-2011 |
20110106158 | SYSTEM FOR STABILIZING A PORTION OF THE SPINE - A system for stabilizing a portion of the spine comprising an elongate plate attached to one or more vertebrae by a number of bone anchors, with the system including one or more features that provide visualization of an implant disposed within a vertebral space and/or the interface between the implant and the adjacent vertebral tissue. A holding instrument is included that is engageable to the plate for positioning the plate adjacent the spinal column. | 05-05-2011 |
20110106159 | SPINAL FIXATION PLATE ASSEMBLY - A spinal fixation plate has inner and outer surfaces through which a pair of adjacent screw holes extend along generally parallel axii. The screw holes accommodate the heads of conventional bone screws while allowing the threaded shafts of the screws to pass therethrough. A recess extends into each screw hole for receiving a V-shaped latch having a pair of wings joined to a head via elastically deformable arms. The latch is moveable between a deployed position in which the wings extend into the screw holes to prevent a screw seated therein from backing out and a retracted position in which the wings arc retracted from the screw holes enabling the screws to be backed out of the plate. | 05-05-2011 |
20110137344 | BONE PLATE WITH CAPTIVE CLIPS - A fixation system includes a plate comprising a top surface, a bottom surface, a central longitudinal axis, at least one fixation hole extending between the top and bottom surfaces and comprising an undercut therein, and at least one passage intersecting one of the undercuts. At least one resilient clip is disposed in at least a portion of the undercut, with the at least one clip having a pair of generally parallel sides and an end tab. At least one fastener is provided and comprises a head and a threaded shaft, with the head comprising a perimetral groove extending around at least a portion thereof and an instrument receiving portion. The at least one clip is configured and dimensioned to seat in the undercut with the end tab extending within the passage, and the at least one fastener is configured and dimensioned to be received in the at least one fixation hole and securable therein when the at least one clip abuts the perimetral groove of the head. | 06-09-2011 |
20110152932 | Flexible Spine Fixing Structure - A flexible spine fixing structure is provided. The flexible spine fixing structure is used for fixing adjacent two or more vertebras. The flexible spine fixing structure comprises a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part for fixing in the first vertebra. The second flexible part is directly connected to the first flexible part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part for fixing in the second vertebra. | 06-23-2011 |
20110152933 | METHOD AND APPARATUS FOR SPINAL STABILIZATION - A method and apparatus of limiting at least one degree of movement between a superior vertebrae and an inferior vertebrae of a patient includes advancing a distal end of a stabilization device into a pedicle of the inferior vertebrae. A proximal portion of the stabilization device is positioned such that the proximal portion limits at least one degree of movement between a superior vertebrae and an inferior vertebrae by contacting a surface of the superior vertebrae. | 06-23-2011 |
20110160771 | Flexible Spine Fixing Structure - A flexible spine fixing structure for fixing to a first vertebra and a second vertebra includes a first flexible element and a second flexible element. The first flexible element includes a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part and used for fixing to the first vertebra, and the first flexible part includes a first through hole and a second through hole. The second flexible element includes a second flexible part, a third fixing part and a fourth fixing part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part and used for fixing to the second vertebra. The second flexible part is disposed by penetrating through the first through hole and the second through hole. | 06-30-2011 |
20110178551 | RETAINING SYSTEM - A retaining system for affixing a component to a vertebral body is disclosed. The system comprises a component and a retaining mechanism. The component comprises an inner surface configured to engage at least a portion of an endplate surface of the vertebral body, and an outer surface configured to engage the retaining mechanism, wherein the outer surface of the component comprises a first face directed substantially toward the vertebral body. The retaining mechanism comprises an inner surface configured to engage the outer surface of the component, and an outer surface configured to receive a fastener, wherein the inner surface of the retaining mechanism comprising a second face directed substantially away from the vertebral body. | 07-21-2011 |
20110178552 | VERTEBRAL PARS INTERARTICULARIS CLAMP A NEW SPINE FIXATION DEVICE, INSTRUMENTATION, AND METHODOLOGY - An improved spinal surgical implant used primarily in the posterior aspect of the spinal column for spinal reconstruction; revision surgery; deformity correction; and/or tumor surgery and/or trauma surgery of the cervical, thoracic and/or lumbo-sacral spine. | 07-21-2011 |
20110178553 | METHOD AND APPARATUS FOR LATERAL REDUCTION AND FUSION OF THE SPINE - A method and device are provided for reducing abnormal vertebral orientation using a fixation plate that is used in conjunction with a positioning tool to reduce spinal deviation and properly position and secure adjacent vertebrae for fusion of the spine. The disclosed embodiments are particularly useful in minimally invasive surgical techniques such as laterally performed anterolisthesis and retrolisthesis. | 07-21-2011 |
20110184461 | VARIABLE ANGLE ADAPTIVE PLATE - A device for supporting and/or assisting in bone fusion, particularly in the spine, is described. A plate member is provided, along with two or more attachment members that are anchorable to bones. In one embodiment, the plate member has a slot near one end and an aperture at another end. The attachment members include threaded posts for connection to the plate member via the latter's slot(s) and aperture(s). Alternatively, attachment members need not have a threaded post, and attachment members may be connected to the plate member via a bone bolt or similar fixation member. The slot(s) allow a single plate member to be used for a variety of operative situations and anatomies. A device for repositioning bones and a method for using the disclosed devices is also described. | 07-28-2011 |
20110196423 | BONE FIXATION DEVICE - A bone fixation apparatus may include a bone fixation plate having a fixation hole and a fastener shaft received in the fixation hole. The fastener shaft may include a first portion having an outer surface defining a first cam and a second bone-engaging portion. An annular member may be received in the fixation hole and may include an inner surface defining a second cam for cooperating with the first cam to selectively move the annular member in a radial direction between an unexpanded position permitting movement of the fastener shaft and annular member relative to the fixation hole and an expanded position restricting movement of the fastener shaft and annular member relative to the fixation hole. The annular member may be moved between the expanded position and the unexpanded position by rotation of the annular member relative to the fastener shaft following insertion of the fastener shaft into a bone. | 08-11-2011 |
20110218570 | RADIOLUCENT BONE PLATE WITH RADIOPAQUE MARKER - A bone plate has a main body configured to position adjacent bones with respect to each other. The main body includes a plurality of separate layers bonded together. Each layer is comprised of a radiolucent material and has a first aperture and a second aperture that extend through the layer. The layers are all stacked such that the first apertures of all of the layers are aligned with each other and the second apertures of all of the layers are aligned with each other. An insert can be positioned within the first aperture. | 09-08-2011 |
20110270311 | ANTERIOR IMPLANT FOR THE SPINE - Implant for the cervical spine comprising an anterior plate ( | 11-03-2011 |
20110282387 | Distraction Screw - A distraction screw includes a proximal portion secured to a first vertebra, a distal portion secured to a second vertebra and an intermediate portion. The intermediate portion is coupled to the proximal and distal portions and is positioned in an intervertebral space. The intermediate portion is configured and adapted to enable distraction of the first vertebra relative to the second vertebra. | 11-17-2011 |
20110288587 | ANTERIOR LUMBAR PLATE AND METHOD - A plate of biocompatible material is provided having curvature in two planes such that it conforms to the curvature of the L5 vertebral body and to the patient's lordotic curve. Holes are provided receiving screws for anchorage in the vertebral body and sacrum. A flange or foot portion on the plate provides a wider base end area for support in the L5-S1 interspace. The foot portion is also arranged for appropriate entry angle of screws into the sacrum such as to improve anchorage in the sacrum. Anti-backout and low profile features are incorporated. The anterior lumbar plate is situated to maintain the anterior interbody bone graft in compression by resisting tensile forces during extension. | 11-24-2011 |
20120010658 | SPINAL STABILIZATION SYSTEM UTILIZING SCREW AND EXTERNAL FACET AND/OR LAMINA FIXATION - A surgical implant for support of spinal vertebrae comprising a screw element having a threaded shank for screwing into a pedicle of a first vertebra and a fixation component that is moveably secured to the screw element. The fixation component has a first end for receiving the screw element and a fixation surface adapted to engage or attach to at least one of an external facet or laminar surface of a second vertebra. Various embodiments are provided for polyaxial movement of the fixation component relative to a polyaxial screw. Also, various apparatus and means for locking the screw element to the fixation component are provided. | 01-12-2012 |
20120016417 | FLEXING LINKS FOR INTERVERTEBRAL STABILIZATION - A flexing link assembly and methods for implanting such an assembly in a patient are disclosed herein. The flexing link assembly includes a pair of links that are movably connected together adjacent to an intermediate portion of each link. The connection between the links allows relative movement between the links. One end of each link includes an attachment portion adapted to facilitate attachment of the links to an inferior vertebra. The other end of each link is adapted to facilitate engagement with a spinous process of an adjacent superior vertebra. This arrangement of the links allows flexing and relative movement of adjacent vertebrae yet limits extension therebetween. | 01-19-2012 |
20120029564 | Composite Rod for Spinal Implant Systems With Higher Modulus Core and Lower Modulus Polymeric Sleeve - A spinal rod includes a metal component and a tube. The core component has a radius. The tube has a first state with a first state tube inner radius and a first state tube outer radius. The first state tube inner radius is greater than the core component radius. The tube has a second state with a second state tube inner radius and a second state tube outer radius. The second state tube inner radius is generally equal to the core component radius. The tube is deformable from the first state to the second state. | 02-02-2012 |
20120035656 | EXTERNAL MAINTENANCE FEATURE FOR MAGNETIC IMPLANT - A magnetic implant system includes an implantable device having a rotatable magnet therein; and a magnetic maintenance device comprising a base and a permanent magnet disposed on the base, the magnetic maintenance device configured to be placed on an external surface of a subject containing the implantable device. The magnetic maintenance device maintains the circumferential orientation of the implanted rotatable magnet despite bending and twisting forces being applied during physiological movement. | 02-09-2012 |
20120035657 | SCREW LOCKING MECHANISM AND METHOD - This invention relates to a bony fixation system and method for use as a prosthetic implant. The system and method includes a plate dimensioned to be situated between adjacent bony structures, such as adjacent vertebrae. Screws are provided in one embodiment and are dimensioned or configured to be inserted into a bony structure and to lock against each other to retain the screws and consequently secure the plate in place against the bony structure. | 02-09-2012 |
20120041489 | REVISABLE ANTERIOR CERVICAL PLATING SYSTEM - An improved anterior cervical plating system and methods of cervical fusion using such a system are provided. The cervical plating system includes an interlocking mechanism that integrated into each of the plates such that any two plates may cooperatively engage through the interlocking mechanism such that a new cervical plate can be interconnected with a pre-existing plate during revision surgery without removal of the pre-existing plate. | 02-16-2012 |
20120065681 | METHOD, APPARATUS, SURGICAL TECHNIQUE, SURGICAL TOOLS, AND MATERIALS FOR MINIMALLY INVASIVE ENHANCED FUSION AND RESTORATION OF KINEMATICALLY PHYSIOLOGIC SPINAL MOVEMENT - The present invention teaches a method and apparatus for providing and preserving kinematically correct spinal movement as well as enhanced bone fusion. The design of implanted and other devices fabricated from at least one of metal, ceramic, plastic, shape memory alloy, and other material is taught for facilitating approximately physiologic kinematics for intervertebral body movement as well as for enhanced fusion of vertebral bodies and components therein. Surgical tools and techniques for implantation of these devices made from a variety of materials are also taught. | 03-15-2012 |
20120065682 | BONE PLATE WITH CAPTIVE CLIPS - A fixation system includes a plate comprising a top surface, a bottom surface, a central longitudinal axis, at least one fixation hole extending between the top and bottom surfaces and comprising an undercut therein, and at least one passage intersecting one of the undercuts. At least one resilient clip is disposed in at least a portion of the undercut, with the at least one clip having a pair of generally parallel sides and an end tab. At least one fastener is provided and comprises a head and a threaded shaft, with the head comprising a perimetral groove extending around at least a portion thereof and an instrument receiving portion. The at least one clip is configured and dimensioned to seat in the undercut with the end tab extending within the passage, and the at least one fastener is configured and dimensioned to be received in the at least one fixation hole and securable therein when the at least one clip abuts the perimetral groove of the head. | 03-15-2012 |
20120071923 | MINIMALLY INVASIVE VERTEBRAL LAMINAR RECONSTRUCTIVE PLATE - A laminar plate that reconstructs or supports the lamina of a vertebra after lamina bone has been removed during spinal surgery and prevents bone growth material from entering the spinal canal. The laminar plate spans a gap from the removed lamina bone and is coupled to, or proximate to, and between a facet and the spinous process by screwing the plate to the bone. | 03-22-2012 |
20120071924 | ANTERO LATERAL PLATING SYSTEMS AND METHODS FOR SPINAL STABILIZATION - A plating system for stabilization of a bony segment includes a plate engageable to at least first and second bony elements. For spinal stabilization, the plate is attached to the antero-lateral portions of at least first and second vertebrae and is structured to facilitate engagement of the plate to the vertebrae from an approach extending in the anterior-posterior directions. | 03-22-2012 |
20120101527 | Smart device for non-invasive skeletal adjustment - This invention is an implantable device and system that allows post-operative, non-invasive adjustment of members of the skeletal system. It includes extension-resisting members and a compression-resisting member that connect members of the skeletal system. Post-operative, non-invasive adjustment of the tensions, lengths, widths, and/or torsions of the extension-resisting members changes the relative movement, position, or both movement and position of members of the skeletal system. The compression-resisting member may act as a fulcrum. This invention can help to pioneer the evolution of “smart” orthopedic devices that adjust skeletal biodynamics to address changing clinical needs and changes in patient activity over time. Some promising applications include: dynamic stabilization of the spine; correction of scoliosis; and bone elongation. | 04-26-2012 |
20120116453 | METHODS AND APPARATUS FOR VASCULAR PROTECTION IN SPINAL SURGERY - Methods and apparatus provide for coupling an elongate guide substantially at a first end to at least one vertebral body of a spinal column of a patient; and extending a second end of the guide to a structure of the patient spaced in an anterior direction away from the at least one vertebral body towards an entry incision. | 05-10-2012 |
20120123475 | CERVICAL PLATING SYSTEM - A cervical plating system for fixedly connecting two or more vertebrae to each other includes a cervical plate having a fastening hole, the fastening hole penetrating the cervical plate, a fastening screw fitted into the fastening hole in the cervical plate, and a screw locking member disposed adjacent to the fastening hole. The screw locking member is rotatable along the circumference of the fastening hole between a first position, in which it opens the fastening hole, and a second position, in which it at least partially closes the fastening hole. | 05-17-2012 |
20120123476 | CERVICAL FUSION PLATE - A fusion plate that comprises a plate body including extended portions at one end of the plate body with a slot therebetween and extended portions at an opposite end of the plate body with a slot therebetween. The fusion plate further comprises a first pair of holes in the plate body and a second pair of holes in the plate body. The fusion plate also comprises a first locking member slideably engageable to the plate body and being operable to slide over the first pair of holes and a second locking member slideably engageable to the plate body and being operable to slide over the second pair of holes. | 05-17-2012 |
20120158056 | ORTHOPEDIC EXPANSION FASTENER - Devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated. | 06-21-2012 |
20120158057 | ANTERIOR CERVICAL INSTRUMENTATION SYSTEMS, METHODS AND DEVICES - Anterior cervical instrumentation systems, methods, and devices are disclosed. Systems may facilitate immobilizing or providing support for the cervical portion of the vertebral column of a patient. A device may comprise a plate having two channels located in a proximal to distal direction, and may further comprise at least one aperture. The device may further comprise attachment elements such as attachment cross-links and spacer cross-links, and fasteners. The plate and the attachment elements may be secured to the vertebrae by passing fasteners through apertures and channels. The length of the plate, position and number of the attachment cross-links, position and number of spacer cross-links and degree of movement may be intraoperatively selected by the surgeon to provide an optimal application and procedural outcome. Uniform components of the devices and systems allow for a more streamlined and simplified method of treating spinal conditions. | 06-21-2012 |
20120158058 | SINGLE-LOCK PLATING SYSTEM - The present invention is directed to (1) a plating system having multiple and single locking mechanisms for general skeletal use other than in the anterior cervical spine; (2) an orthopedic plating system that permits a pair of bone screws to be inserted into a bone in a crossed over orientation and locked to the plate; (3) a segmentable plating system which can be made to a selected length by the surgeon; and (4) a combination screw-lock-plating system for allowing and/or causing intersegmental compression of bone portions. | 06-21-2012 |
20120158059 | SPINAL PLATE SYSTEM FOR STABILIZING A PORTION OF A SPINE - A spinal plate system that maintains intervertebral spacing and spinal stability is provided. In an embodiment, a spinal compression plate may include two or more plates coupled together form an adjustable-length plate. Compression of a spinal compression plate movement may mimic natural settling of bones in a spine and/or distribute at least a portion of a vertebral load to an implant positioned between two vertebrae. Maintaining at least a portion of the vertebral load on an insert may increase bone growth and increase fusion between an implant and surrounding vertebrae. | 06-21-2012 |
20120165870 | PLATE-AND-SCREW IMPLANT ASSEMBLY FOR BONE FIXATION - The invention relates to an implant assembly for bone fixation, and particularly for stabilizing the vertebral column, including a plate (P) provided with at least two openings and at least two anchoring means (V) that can be positioned in said openings and be attached to the bone portions to be stabilized, and blocking means for preventing said anchoring means (V) from being accidentally released from said openings. Said blocking means include a shoulder ( | 06-28-2012 |
20120184993 | EXPANDABLE FACET SCREW - An exemplary facet screw for joining a first facet of a first vertebra with a second facet of a second vertebra includes proximal and distal ends. The proximal end includes a threaded region for attachment to the first facet. The distal end includes a non-threaded region with a first configuration that freely inserts into a bore of the second facet and a second configuration that partially interferes with the bore to retain the distal end within the second facet. | 07-19-2012 |
20120184994 | VERTEBRAL COLUMN IMPLANT - A vertebral column implant comprises a connecting element, which is insertable in the vertebral bodies of a vertebral column via several bone screws. The screws are each provided with a head part for receiving the connecting element, by means of which a firm connection is achievable between bone screws and connecting element. The connecting element is composed of rigid sections and elastic sections. Here the rigid sections are connectible to the elastic sections via connecting devices. The connecting devices are designed such that the rigid sections and the elastic sections, in each case connected to to one another, are aligned substantially coaxially, and their connection is form-fitting. | 07-19-2012 |
20120197297 | VERTEBRAL ADJUSTMENT SYSTEMS FOR SPINE ALIGNMENT - A vertebral adjustment system configured to move individual vertebral bodies relative to the other vertebral bodies to thereby realign the spine. The system may include a frame, and a plurality of alignment devices coupled to the frame and to the individual vertebral bodies. By manipulated the alignment devices the vertebral bodies to which they are attached may be moved. | 08-02-2012 |
20120209327 | SYSTEM AND METHOD FOR FACET FIXATION - A spinal fixation element includes a screw and a washer. The screw comprises an elongated body of a first diameter and the body includes a threaded portion at a distal end and a semispherical head of a second diameter at a proximal end. The second diameter is larger than the first diameter. The washer comprises a semispherical through opening of a third diameter at the top, of a fourth diameter in the middle and of a fifth diameter at the bottom. The third diameter is slightly smaller than the second diameter, the fourth diameter is slightly larger than the second diameter and the fifth diameter is smaller than the second diameter. The washer surrounds the semispherical head, is non-removably attached to the semispherical head and is rotatable and positionable at an angle relative to the elongated body. | 08-16-2012 |
20120226312 | TRANSLAMINAR INTERSPINOUS STABILIZATION SYSTEM - A translaminar, interspinous stabilization system is provided. The system may comprise an implantable device for placement between two adjacent vertebrae. The device may comprise an inferior section, a superior section, and a flexible midsection extending therebetween and configured to seat against the lamina between the adjacent vertebrae. A pair of lateral plates may extend from at least one of the inferior section and superior section for engaging a laminar surface of one of the vertebra. Each of the lateral plates includes an aperture for receiving a bone screw therethrough. Also provided is a bone screw for placement through at least one lateral plate for securing the device to the laminar surface of one of the vertebra. | 09-06-2012 |
20120245636 | Expansion Devices - An expansion device is disclosed which, when mounted on an appropriate support, can make controlled advancement relative to the support in response to activation from a remote site. The device comprises first ( | 09-27-2012 |
20120259363 | VISCOELASTIC LUMBAR-SACRAL IMPLANT - Medical devices for the treatment of spinal conditions are described herein. The medical device includes a main body that is adapted to be placed between the L5 vertebra and the sacrum so that the main body acts as a spacer with respect to the L5 vertebra and the sacrum to maintain distraction therebetween when the spine moves in extension. | 10-11-2012 |
20120259364 | VARIABLE DUROMETER LUMBAR-SACRAL IMPLANT - Medical devices for the treatment of spinal conditions are described herein. The medical device includes a main body that is adapted to be placed between the L5 vertebra and the sacrum so that the main body acts as a spacer with respect to the L5 vertebra and the sacrum to maintain distraction therebetween when the spine moves in extension. The main body is formed from a material having a gradual variation in modulus. | 10-11-2012 |
20120277795 | DISTAL BONE ANCHORS FOR BONE FIXATION WITH SECONDARY COMPRESSION - Disclosed is a bone fracture fixation device, such as for reducing and compressing fractures in the proximal femur. The fixation device includes an elongate body with a helical cancellous bone anchor on a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. The device is rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the proximal anchor is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments. | 11-01-2012 |
20120283775 | Echogenic Sleeve - Devices with enhanced visualization in ultrasound imaging are provided. | 11-08-2012 |
20120303060 | System and Method For Facet Joint Replacement with Detachable Coupler - A facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The implants may be coupled together by a detachable coupler which can align and rigidly hold the inferior and superior articular surfaces in a preferred alignment relative to one another. A portion of the coupler may be deformable to allow detachment of the coupler from at least one of the implants. In one method of implantation, the superior and inferior implants may be aligned and coupled together with the coupler, and then secured to fixation members anchored in adjacent vertebrae. Alternatively, a first implant may be secured to a fixation member anchored in a first vertebra, and a second implant coupled to the coupler, aligned with the first implant and then secured to a fixation member anchored in a second vertebra. | 11-29-2012 |
20120303061 | Spinal Fixation with Selectively Applied Bone Growth Promoting Agent - A spinal fixation system including a selectively applied bone growth promoting agent is disclosed. The types of spinal fixation systems which may include a selectively applied bone growth promoting agent include systems comprised of rods, plates, screws, and hooks as well as other types of prostheses. | 11-29-2012 |
20130012992 | APPARATUS FOR COMPRESSING OR DECOMPRESSING A SPINAL DISC AND METHOD OF USE THEREOF - An apparatus for compressing or decompressing a spinal disc comprises; a first section and a second section, wherein the first section defines a through hole configured to receive a fastener for coupling the first section to a first vertebrae, and wherein the second section defines a through hole configured to receive a fastener for coupling the second section to a second vertebrae; and an expandable section coupled to the first section and the second section for adjusting a distance between the first and second section. | 01-10-2013 |
20130012993 | Cervical Plate Assembly - A cervical plate assembly facilitates the fusion of cervical vertebrae by quickly and easily causing the vertebrae to exert a preloading force against a bone graft interposed therebetween. A cervical plate assembly also facilitates the installation of the cervical plate assembly in an orthopedic surgical procedure by providing both a locking mechanism that positively retains one or more fasteners thereto and a viewing window that results in an unobstructed view of the vertebrae and the bone graft. | 01-10-2013 |
20130018418 | DEVICE AND METHOD FOR SPINAL SURGERY - Instrumentation for fixing at least two spinal vertebrae by pedicle screw type bone anchoring implants and connecting elements via the posterior or posterolateral approach has at least one bone anchoring element designed to be fixed to a vertebra, pre-mounted with a disposable mounting tube and a sterile sealed packaging. A kit of instruments for inserting or removing a spinal implant, has at least two threaded bone anchoring elements, a rod-type or plate-type connecting element mechanically connecting the bone anchoring elements and locking elements for locking the connecting element in position in relation to the anchoring elements, in order to perform all of the surgical procedures relating to the insertion or removal of the implant, all of the required instruments are disposable and packed in a sterile manner in one or several sealed packagings. | 01-17-2013 |
20130030465 | BONE PLATE ASSEMBLY WITH BONE SCREW RETENTION FEATURES - A bone plate assembly is disclosed which includes at least one plate segment having at least one aperture extending therethrough for receiving a head portion of a bone screw, and a structure supported by the plate segment and intersecting the aperture for retaining the head portion of the bone screw with respect to the plate segment. | 01-31-2013 |
20130035723 | SACROILIAC JOINT FIXATION FUSION SYSTEM - A sacroiliac joint fixation fusion system that provides a method of fixation and fusion of the sacroiliac joint and a sacroiliac joint implant which upon placement within the articular region of the sacroiliac joint facilitates stability and fusion of the sacroiliac joint. | 02-07-2013 |
20130053886 | SYSTEM AND METHOD FOR CERVICAL MIDLINE FIXATION - Devices and methods for enhancing the effectiveness of spinal stabilization, and particularly that of cervical spinal stabilization, are provided herein. More specifically, methods and systems are disclosed for effectively positioning occipital plates and spinal fixation assemblies within target vertebrae, while also reducing any associated patient trauma (e.g., muscle stripping, tissue damage, etc.). The systems and methods can utilize trans-lamina delivery of the spinal fixation assemblies to allow for the positioning of the fixation elements along the midline of the patient's spine. | 02-28-2013 |
20130053887 | Bone Screw Retention in a Spinal Implant - A spinal implant has a mechanism for inhibiting a bone screw used in attaching the spinal implant to the spine from backing out from the spinal implant once the bone screw has been received in the spinal implant. The spinal implant has a bone screw bore defining a bore wall in which is disposed a resilient closed curve band or ring. The resilient closed curve band has a plurality of resilient segments that extend into the bore. Each one of the plurality of resilient segments form a spring that allows a head of a bone screw to ingress there through but prevents the head of the bone screw from egress there from. The resilient closed curve band forms a retention ring that is received in one or more slots, channels, grooves or the like in the bore hole wall. The plurality of resilient segments are formed as arcs, curves and/or configured arcs/curves that extend radially inward from outer arced or curved portions of the retention ring. | 02-28-2013 |
20130060283 | Laminoplasty Plates, Systems, And Devices, And Methods Relating to the Same - Disclosed are laminoplasty devices and systems, kits that include such laminoplasty devices or systems or components thereof; and methods of assembling and using such laminoplasty devices and systems. In particular, articulating laminoplasty devices are provided that allow lamina plates to be adjusted angularly and transitionally with respect to a cage connecting the lamina plates. Also provided are laminoplasty plates that are configured so as to be assembled with a bone graft housing, and which provide an opening configured to facilitate bone graft insertion into the housing. Further provided are expandable laminoplasty fixation systems that include a lateral mass plate, a lamina plate and a set screw that when screwed and unscrewed, allows one to contract and expand the plates with respect to one another. | 03-07-2013 |
20130072978 | VERTEBRAL BODY REPLACEMENT AND CERVICAL PLATE CONSTRUCTION - A vertebral body replacement (VBR) and cervical plate apparatus for securing the VBR in a desired position in a space between superior and inferior vertebral bodies. The VBR has a predrilled opening in a center portion of its anterior face that is constructed to receive therein a first attachment device. The cervical plate has holes in the upper and lower portions thereof that are constructed to receive second attachment devices for securing the cervical plate to the superior and inferior vertebral bodies in a desired position. The cervical plate has an elongated slot in a central portion thereof that is constructed to receive therethrough in movable relation the first attachment device which is receivable in the predrilled opening in the VBR for securing the cervical plate thereto. | 03-21-2013 |
20130085532 | SPINAL PLATE ASSEMBLY - The present invention is directed to implantable devices for stabilizing or fusing bone structures within the spine. More specifically, the present invention is a spinal plate assembly that includes an automatic mechanism for blocking the pathway of a bone fastener once inserted to prevent unwanted backwards migration of the bone screw. | 04-04-2013 |
20130090688 | POSTERIOR VERTEBRAL PLATING SYSTEM - A posterior vertebral plating system comprising a plate and a plurality of attachment members. The plate has a plurality of holes extending through the plate from an upper surface to a lower surface, and the plate is configured to extend along the posterior side of at least two vertebrae adjacent at least one boney structure of each of the vertebrae. The holes are spaced in such a way that a first plurality of holes is positionable over a boney structure of a first vertebra to define a plurality of fixation points to the first vertebra and a second plurality of holes is positionable over boney structure of a second vertebra to define a plurality of fixation points to the second vertebra. The attachment members are insertable through the holes of the plate and into the boney structure of a corresponding vertebra to fix the plate to the vertebra. | 04-11-2013 |
20130103086 | SPINOUS PROCESS MOUNTED SPINAL IMPLANT - A spinal implant includes two plates that are connected together by a post. The implant is configured for each plate to be positioned on outer lateral sides of spinous processes with the post extending through the interspinous space. One of the plates includes a channel that receives the post. The channel is configured so that the plate can be assembled over the post from a direction normal to the post's axis. This configuration allows the plate to be added in a posterior to anterior direction for the typical situation, without having to first locate the plate laterally outboard of the post's tip. As such, the spinal implant allows for a more compact surgical site to be used for the spinal implant implantation procedure. | 04-25-2013 |
20130110167 | Anterior Atlantoaxial Stabilization by Lateral Mass Screw Fixation | 05-02-2013 |
20130110168 | FACET JOINT IMPLANTS AND DELIVERY TOOLS | 05-02-2013 |
20130123847 | Surgical Implants For Percutaneous Lengthening Of Spinal Pedicles To Correct Spinal Stenosis - An implant for expanding a spinal canal having an upper portion, a lower portion, and an inner member. The inner member communicates with a swivelable coupling located at each end of the inner member within the implant. Each swivelable coupling also interacts with a respective one of the upper and lower portion, within an inner bore thereof. Accordingly, movement of the inner member relative to one or both of the upper and the lower portions, via one or both swivelable couplings, translates the upper portion away from the lower portion, about a vertebral cut, to widen the vertebral cut and expand the spinal canal. The swivelable action of the couplings during translation allows angulation of the inner member, relative to a longitudinal axis of the implant, to accommodate a natural lateral shift occurring during a widening of a vertebral cut. | 05-16-2013 |
20130131725 | SYSTEMS AND METHODS FOR SPINAL STABILIZATION WITH FLEXIBLE ELEMENTS - Systems and methods are provided for spinal stabilization with flexible elements and other elements engaged to the vertebrae. Also provided are instruments and methods for insertion of the flexible stabilization elements and other elements and for reduction of displacement between adjacent vertebrae in a minimally invasive surgical approach. | 05-23-2013 |
20130178902 | BONE PLATE - A composite bone plate comprising: (a) a rigid ring that defines an internal opening and the outline of a bone plate; and, (b) a deformable material mounted to the rigid ring and at least partially spanning the internal opening, the deformable material including at least one through opening that is concurrently circumscribed by the rigid ring. | 07-11-2013 |
20130178903 | DEVICES AND METHODS TO PREVENT OR LIMIT SPONDLYLOLISTHESIS AND OTHER ABERRANT MOVEMENTS OF THE VERTEBRAL BONES - Apparatus and methods for using implanted devices to adjust and maintain the spatial relationship of adjacent bones. In one embodiment, the implant attaches to a vertebral bone of a two vertebral bone functional spinal unit. The implant resists spondylolisthesis formation and progression in the anterior, posterior and lateral directions based on an attachment configuration thereof. To resist anterior spondylolisthesis, the exemplary implementation of the implant anchors to the superior vertebral bone via attachment to the pars inter-aticularis, the lamina, the spinous process, or the pedicle of the superior vertebral bone. The implant abuts a surface of the inferior vertebral bone but does not attach. An additional abutment surface may be utilized to separate the superior aspect of the SAP of the lower vertebral bone and the IAP of the superior vertebral bone, thus limiting vertebral flexion. The implant may further comprise a cavity containing bone forming material. | 07-11-2013 |
20130184749 | CERVICAL PLATE ASSEMBLY - An implantable cervical plate assembly includes a cervical plate, one or more bone fasteners and a driver tool. The cervical plate comprises an elongated asymmetric body having one or more through-openings extending from the front surface to the back surface of the elongated asymmetric body. The one or more bone fasteners are configured to be inserted through the one or more through-openings, respectively. The bone fasteners comprise a threaded main body and a head that includes one or more flexible structures configured to be flexed and inserted into a groove and then unflex and remain captured within the groove. The driver tool includes an elongated shaft, a handle and a bone fastener-engaging. The bone fastener-engaging component comprises one or more structures that complement and engage at least one of grooves and lobes of the bone fastener opening. | 07-18-2013 |
20130184750 | BONE ANCHOR SYSTEMS - Embodiments of the invention relate generally to tissue anchors and methods of delivering same to the intervertebral disc or other sites within the body. In some embodiments, the anchors provide pull-out resistance, stability and/or maximize contact with tissue involving a minimum amount of penetration. In some embodiments, delivery methods are minimally invasive and include linear, lateral, and off-angle implantation or driving of anchors along, against or within tissue surfaces. | 07-18-2013 |
20130204300 | SINGLE-LOCK ANTERIOR CERVICAL PLATE - Anatomically contoured anterior cervical plates with bone ingrowth surfaces, providing for intersegmental compressive preloading, and a rigid and locked interface to all of the bone screws, with those engaging the vertebrae deployed in highly convergent pairs. The bone screws have a tapered self-tapping leading end, an increasing root diameter with a generally constant outer diameter with a thread that is narrow and sharp throughout and an enlarged head portion capable of an interference fit to the receiving holes of the plate. Instrumentation consists of plate holders, a compression apparatus and a pilot hole forming device that interlocks with the plate. Methods for spinal compression and bone hole preparation are provided. | 08-08-2013 |
20130238028 | IMPLANTABLE VERTEBRAL FRAME SYSTEMS AND RELATED METHODS FOR SPINAL REPAIR - The invention relates generally to systems and methods for securing adjacent vertebrae in a fixed spacial relationship. In one embodiment, the system includes at least one interbody repair implant, at least one implantable vertebral frame and at least one retention member. In this embodiment, the interbody repair implant is sized to fit in an intervertebral space. The at least one implantable vertebral frame is configured to span between the adjacent vertebrae. The frame is also configured to attach to each of the adjacent vertebra to postoperatively maintain a desired spatial relationship between the vertebrae. The frame has at least one internal aperture there-through for providing visual access to at least a portion of the interbody repair implant, both intra-operatively and post-operatively. Methods of fusing two or more adjacent vertebral bodies in a portion of a spinal column are also disclosed. One such method includes the steps of inserting an interbody repair implant into a intervertebral space, securing an implantable vertebral fixation frame to the adjacent vertebral bodies over the implant, installing a retention member to the frame to cover at least a portion of the aperture, and moving a locking portion of the retention member from an unlocked position to a locked position. | 09-12-2013 |
20130245688 | IMPLANT FOR STABILIZING BONES OR VERTEBRAE - An implant for stabilizing bones or vertebrae is provided, the implant comprising an implant body ( | 09-19-2013 |
20130282061 | STABILIZATION ROD ASSEMBLY FOR SPINE FIXATION AND PROCESS OF MAKING SAME - A spine stabilization rod assembly comprises a rod and a sleeve member. The rod has a substantially round cross-sectional profile, a one-piece construction, and a substantially straight longitudinal axis. The rod has a reduced diameter segment between two opposing end segments thereof such that a shoulder is defined between the reduced diameter segment and each one of the end segments. The sleeve member is positioned over the reduced diameter segment of the rod. The sleeve member and the rod are coupled to each other such that translation of the sleeve along the rod causes an end portion of the sleeve to engage a corresponding one of the shoulders for limiting such translation. | 10-24-2013 |
20130282062 | DEVICES AND METHODS FOR TREATMENT OF A BONE FRACTURE - An implant and method are provided for treating a fractured bone. The implant includes a generally elongated member having a first configuration for introduction between body tissue layers and a second configuration in-situ having a curved portion. The generally elongated member includes a plurality of alternating projections and slots and a plurality of occlusions wherein each of the occlusions is positioned between adjacent projections. The occlusions at least partially occlude an upper and/or lower side of the associated slot. Additionally, the projections may be configured to overlap each other when the implant is deployed in the second configuration. The occlusions and/or overlapping projections promote improved fluid flow and dispersion through the deployed implant and into the fractured bone. Also provided are methods for using the implant to treat a bone fracture. | 10-24-2013 |
20130289621 | Drug-Impregnated Encasement - A drug-impregnated sleeve for encasing a medical implant is provided. In one embodiment, the sleeve may include a body made of a biologically-compatible material that defines an internal cavity configured to receive the medical implant. In one embodiment, the biologically-compatible material is bioresorbable. The body may include a plurality of apertures, such as perforations or holes, extending from the cavity through the body. The sleeve may further include a first end, a second end, and a drug impregnated into the resorbable sheet. In one possible embodiment, the first end of the sleeve may be open for receiving the medical implant therethrough and the second end may be closed. The implant may be encased in the sleeve and implanted into a patient from which the drug is dispensed in vivo over time to tissue surrounding the implantation site. In one embodiment, the body is made from at least one sheet of a biologically-compatible material, hi one embodiment, the sleeve may be made in least in part from caprolactone to add stretchability to the sleeve. | 10-31-2013 |
20130296938 | OSTEOSYNTHESIS PLATE FOR LUMBOSACRAL JOINT - The plate ( | 11-07-2013 |
20130304123 | ANTERIOR CERVICAL PLATE - An anterior cervical includes a plate portion for stabilizing a human or animal spine by being placed ventrally of the spinal column and affixed to two or more different vertebral bodies, and plurality of fastening portions adapted to be anchored in the different vertebral bodies. At least one of the fastening portions is rigidly connected to the plate portion and includes a sheath element with a longitudinal opening that is accessible from a proximal side and at least one hole that reaches from the longitudinal opening to an outside. The anterior cervical plate further includes a thermoplastic element that may be inserted in the sheath element and that is capable of being liquefied by, for example, mechanical energy acting on the thermoplastic element. | 11-14-2013 |
20130304124 | SYSTEM AND METHOD FOR VERTEBRAL BODY PLATING - A spinal plating system for vertebral fixation includes a plate, a compression screw, multiple fixation members and polyaxially adjustable locking rings. The plate is shaped to conform to the curvature of the spine and the surfaces of the vertebral bodies. The compression screw fits through an insert, and together they are guided by the plate as the screw is driven into one of the vertebrae, producing compression between the adjacent vertebrae. A retaining lip on the plate prevents backout of the compression screw. The polyaxial locking rings can be polyaxially pivoted to attain a desired orientation, and are lockable to the plate to maintain the orientation. The fixation members fit through openings in the polyaxial locking rings and the plate to fix the plate to the vertebrae. Locking the polyaxial locking rings fixes the position of the fixation members relative to the plate, and prevents backout of the fixation members. | 11-14-2013 |
20130310876 | METHOD FOR SECURING VERTEBRAE - A method of fixing vertebrae of a patient together at a surgical site includes the following steps: inserting a first cannula ( | 11-21-2013 |
20130310877 | DEVICE FOR STRAIGHTENING AND STABILIZING THE VERTEBRAL COLUMN - A device for straightening and stabilizing the vertebral column, particularly for stabilizing broken vertebrae, includes a supporting implant which is plastically expandable by internal pressure. The supporting implant can be placed into the interior of a vertebral body which has been fractured under compression or between adjacent vertebral bodies. A pressure balloon to which pressure fluid can be admitted may be arranged in the interior of the supporting implant for producing the internal pressure. | 11-21-2013 |
20140018855 | REVISABLE ANTERIOR CERVICAL PLATING SYSTEM - An improved anterior cervical plating system and methods of cervical fusion using such a system are provided. The cervical plating system includes an interlocking mechanism that integrated into each of the plates such that any two plates may cooperatively engage through the interlocking mechanism such that a new cervical plate can be interconnected with a pre-existing plate during revision surgery without removal of the pre-existing plate. | 01-16-2014 |
20140039554 | APPARATUS FOR FIXING A CERVICAL SPINE HAVING SELF TENSION PART - An apparatus for fixing a cervical spine having a self tension part used in orthopedic surgery or neurosurgery when executing an anterior fixation operation on cervical spines is disclosed, including: an extension groove formed through a plate between the insertion holes and the center of the plate; a channel groove formed with stepped surfaces at both sides at the boundary of the insertion holes and the extension groove; a guide that is connected to the channel groove, rotates left/rightward in the channel groove and locks the screw to be inserted into the insertion holes; and a tension part that gives a pushing force the guide to be pushed toward the center of the plate and allows the guide to be rotated in the channel groove. | 02-06-2014 |
20140052180 | SPINAL IMPLANT SYSTEM AND METHOD - An extender comprises an outer member including a lateral opening, first and second extensions defining first and second axial cavities, the axial cavities including a first portion, a second portion and a third portion. An inner member includes a body defining a tab, first and second arms having first and second projections. The inner member is configured for axial translation relative to the outer member between a first position, a second position and a third position. The tab is movable into at least one locking cavity of the lateral opening to fix the inner member relative to the outer member. Methods of use are disclosed. | 02-20-2014 |
20140052181 | MODULAR OCCIPITAL PLATE - A system and associated method are provided for mechanically fixating a region of a skull to a portion of a spine. A plate is provided to contact a region of a skull and be secured thereto. A spinal rod is configured to extend from a location adjacent the plate to a location adjacent at least one vertebra. An adjustable housing is provided to secure the rod to the plate, and has a first position wherein the relative position of the rod to the plate can be adjusted and a second position wherein the relative position of the rod to the plate is secured. | 02-20-2014 |
20140058446 | SPINAL IMPLANT SYSTEM - A spinal implant system and method of assembling the system. The system includes an implant, an integral holder/connector to grasp the implant and to connect to a plate before the assembly is inserted into a patient. | 02-27-2014 |
20140088647 | MINIMALLY INVASIVE SPINE SURGERY INSTRUMENTS: SPINAL ROD WITH FLANGE - The present invention provides for a bone fixation device, illustrated as a spinal rod, for use in bone fixation surgeries. The bone spinal rod of the present invention is constructed and arranged to allow a surgeon to control proper placement while prohibiting the rod from passing out of a receiving component. In an illustrative embodiment, the spinal rod includes comprises a first end, a second opposing end, and a main body there between. At least one end contains a flange. | 03-27-2014 |
20140114354 | SPINAL CORRECTION SYSTEM - A spinal correction system comprises a first member defining a longitudinal axis and including an inner surface that defines a first cavity and a second cavity. A second member defines a longitudinal axis and includes an inner surface that defines a first cavity and a second cavity. The members are connected along a first axis disposed in substantially parallel relation to the longitudinal axes. At least one first implant support is configured for disposal within the first cavities. At least one second implant support is configured for disposal within the second cavities. The members are rotatable about the first axis to space apart the members such that the inner surfaces forcibly engage the supports in releasable fixation. Methods of use are disclosed. | 04-24-2014 |
20140121703 | POLYAXIAL BONE ANCHOR WITH POP-ON MULTI-THREAD SHANK, SOME WITH DIAMETRIC INTERFERENCE FIT INSERTS - Polyaxial and uni-planar bone screw assemblies include a multi-threaded shank body having an integral upper portion receivable in a one piece receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A compression insert and open retaining ring located in the receiver may be made of cobalt-chrome and the compression insert may provide a diametric interference fit with the receiver. Receivers or inserts may include resilient arm portions. The open ring cooperates with the shank to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. | 05-01-2014 |
20140121704 | Orthopedic Implant System - A surgical instrument configured to introduce a spinal fixation rod into a vertebral implant. When the spinal fixation rod is engaged with the surgical instrument and the surgical instrument is put into a retention configuration, the spinal fixation rod cannot be removed from the surgical instrument until the spinal fixation rod is properly oriented with respect to the surgical construct and the surgical instrument is released from the retention configuration. The surgical instrument includes a surgical instrument body, an actuator, an engagement assembly, and a transfer assembly that extends between the actuator and the engagement assembly. The surgical instrument can also be used as part of a method for introducing a spinal fixation rod or part of a kit for introducing a spinal fixation rod. | 05-01-2014 |
20140128916 | BONE ANCHORED SURGICAL MESH - A bone-anchored surgical mesh has slot-like anchoring members that allow for the variable placement of screws and other bone fasteners. This permits the surgeon discretion in the placement of bone fasteners used to attach the mesh to the patient's bone. The elongate openings of the anchoring members allow for a sliding motion between the bone fasteners and the anchoring members, and facilitates positioning and articulation of the mesh. The anchoring members may include bushings to aid the sliding motion of the anchoring member on the bone fastener. In one embodiment, the mesh consists of shorter modular strips that overlap each other such that a single bone fastener is passed through two overlapping anchoring members to lock the two modular mesh strips together. Additional modular mesh strips can be added on at either end, as desired, to provide the desired length of dural coverage. | 05-08-2014 |
20140135837 | MODULAR PERCUTANEOUS SPINAL FUSION - A posterior spinal fusion system may include pedicle screws and one or more segments designed to be attached to the implanted pedicle screws via nuts to fuse spinal motion segments in a modular fashion. The pedicle screws may have semispherical receiving surfaces, and each segment may have mounting portions at both ends, with corresponding semispherical engagement surfaces. The nuts may also have semispherical surfaces. The semispherical surfaces permit polyaxial adjustment of the relative orientations of the segments and pedicle screws. Each mounting portion may have a passageway therethrough to receive the proximal end of the corresponding pedicle screw; each passageway may intersect the edge of the corresponding engagement surface to facilitate percutaneous placement. Such placement may be carried out through cannulae to provide a minimally invasive (MIS) implantation procedure. | 05-15-2014 |
20140142628 | SURGICAL IMPLANT SYSTEM AND METHOD - A surgical fastener comprises a head including a wall and a drive interface oriented in a first axial direction. At least one tissue penetrating element extends from the wall in a second axial direction. The at least one element is provisionally disposed with tissue and the wall overlaps a surface of an implant to selectively position and orient the implant relative to tissue. Systems and methods are disclosed. | 05-22-2014 |
20140142629 | DISTAL BONE ANCHORS FOR BONE FIXATION WITH SECONDARY COMPRESSION - Disclosed is a bone fracture fixation device, such as for reducing and compressing fractures in the proximal femur. The fixation device includes an elongate body with a helical cancellous bone anchor on a distal end. An axially moveable proximal anchor is carried by the proximal end of the fixation device. The device is rotated into position across the fracture or separation between adjacent bones and into the adjacent bone or bone fragment, and the proximal anchor is distally advanced to apply secondary compression and lock the device into place. The device may also be used for soft tissue attachments. | 05-22-2014 |
20140142630 | ANCHOR MEMBER FOR VERTEBRAL OSTEOSYNTHESIS EQUIPMENT - The anchor member ( | 05-22-2014 |
20140148853 | Pedicle Screw - A pedicle screw comprises a head. A shaft is joined to the head. The shaft comprises a first threaded portion, a middle portion and a second threaded portion. The middle portion comprises a modified threaded portion being configured to mitigate damage to a patient's nerve root. A first marker is joinable to the shaft proximate the modified threaded portion. The first marker comprises a material being radiographically distinguishable from the shaft in which a placement of the modified threaded portion is observable. | 05-29-2014 |
20140194929 | Orthopedic Fastener Blocking System - In an exemplary embodiment, the present invention provides an orthopedic fastener blocking system that allows for a desirable number of fasteners to be used with an orthopedic device even when the orthopedic device is too small to accommodate a desired number of traditionally located and oriented fasteners or when the accessibility to the device is reduced so that addressing a desired number of traditionally located and oriented fasteners is not possible. The system includes an orthopedic implant and at least first and second fasteners where one of the first and second fasteners prevents the other of the first and second fasteners from uninstalling when the first and second fasteners are in the installed position. | 07-10-2014 |
20140200613 | DYNAMIC SPINAL PLATING SYSTEM - Dynamic spinal plating systems that can be placed on the anterior aspect of the spine to aid in spinal fusion and surgical methods for using the dynamic spinal plating systems are disclosed. The dynamic spinal plating systems including a plate and at least one bone attachment mechanism. The plate including a superior end with at least one screw hole, an inferior end, and two lateral sides forming an opening that is transverse by the bone attachment mechanism. The dynamic spinal plating systems also include at least one screw plate with a center screw hole and two passageways that mate with two transverse members of the bone attachment mechanism. When implanted the vertebral stabilization devices may provide a degree of movement in the superior-inferior direction providing for a minimal change in length as the patient moves and as vertebral body height decreases. | 07-17-2014 |
20140214081 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant includes a wall having a first surface and a second surface configured to engage tissue. The wall defines a first opening and a second opening configured for disposal of a bone fastener. The wall further defines a cavity disposed between the surfaces and in communication with the second opening. A biasing member is configured for disposal in the cavity and is engageable with the bone fastener to resist backout of the bone fastener from the second opening. Systems and methods are disclosed. | 07-31-2014 |
20140236233 | SPINAL PLATE WITH COMPRESSION LOCKING - A spinal plate assembly includes a spinal plate and a cap. The spinal plate includes an opening through the spinal plate and an associated recess in the spinal plate that is eccentric with the opening. The cap includes an alignment opening and is configured to be rotationally engaged in the recess between a first rotational configuration and a second rotational configuration. The first rotational configuration enables a threaded body of a screw to be thread into a vertebra in a selected trajectory through the alignment opening and the opening in the spinal plate, and further enables a portion of the opening to engage a head of the screw in the selected trajectory. The second rotational configuration enables the cap to compress the head of the screw approximately through its center into the engaged portion of the opening. | 08-21-2014 |
20140257389 | PERCUTANEOUS BREAK OFF ROD - A break off rod for percutaneous insertion with a spinal assembly, such that the break off rod includes a rod body. The break off rod also includes a connector, in which the connector is configurable to be connected with a fastener an insertion device, such that the insertion device abuts against a spinal assembly when the rod body of the break off rod is properly inserted in the spinal assembly. The break off rod also includes a break off region, in which the break off region connects the rod body and the connector. The break off region is configurable to break off the connector from the rod body when a force is applied by the insertion device. | 09-11-2014 |
20140257390 | Osseointegrative Spinal Fixation Implants - The present invention describes implant systems, devices, methods and surgical techniques for spinal fixation that incorporate an osseointegrative bone-implant interface that functionally provides both the short term stability of fixation and the long term stability of fusion. The various embodiments described herein can utilize novel screw and anchoring device designs or can serve as a supplement to existing spinal fixation systems. | 09-11-2014 |
20140257391 | Internal Pedicle Insulator Apparatus and Method of Use - Internal pedicle insulator apparatuses and methods are provided. A representative method includes: providing an internal pedicle insulator implant; inserting the implant into a pedicle such that the implant is positioned between a nerve and material that is to be applied in a vicinity of the nerve; applying the material in the vicinity of the nerve; and using the implant to prevent the material from contacting the nerve. | 09-11-2014 |
20140277137 | DEVICES AND METHODS FOR MONOAXIAL SCREW CONVERSION - Devices and methods for selectively converting polyaxial bone screws into monoaxial screws are described herein. In one embodiment, a spinal screw extension instrument is provided having an outer component configured to engage a receiving member of a polyaxial screw. The instrument further includes an inner component disposed within an inner lumen of the outer component and configured to translate longitudinally relative to the outer component such that the inner component can apply a distal force to a compression member of the polyaxial screw disposed within a distal portion of the receiving member to thereby convert the polyaxial screw to a monoaxial screw. | 09-18-2014 |
20140277138 | LOCKING MECHANISM - A spinal implant includes a locking mechanism. The locking mechanism includes an inner surface defining a tapered passageway. A tapered collet is configured for disposal in the tapered passageway. The tapered collet has an inner surface defining a passageway configured for disposal of a longitudinal member. The tapered collet is configured to translate within the tapered passageway between a non-locking orientation in which the longitudinal member is moveable relative to the tapered collet and a locking orientation in which the longitudinal member is fixed relative to the tapered collet. | 09-18-2014 |
20140277139 | BONE FUSION SYSTEM - A method and system for performing bone fusion and/or securing one or more bones, such as adjacent vertebra, are disclosed. The screws include a threaded tip connected to a main shaft and a threaded outer sleeve that rotates relative to the outer shaft until locked down. Independent rotation of the threaded outer sleeve relative to the threaded distal tip allows compression or distraction to modify the gap between the vertebral bodies. The screws are passed from the inferior to superior vertebra or superior to inferior, for example, through a trans-pedicular route to avoid neurological compromise. At the same time, the path of screw insertion is oriented to reach superior or inferior vertebra. An intervertebral cage of the system is configured for lateral expansion from a nearly straight configuration to form a large footprint in the disc space. The screws and cage may be combined for improved fixation with minimal invasiveness. | 09-18-2014 |
20140330313 | SPINAL PLATE AND LOCKING SCREW DEVICES, METHODS, AND SYSTEMS - An embodiment of the invention provides for a system, such as a cervical plate fusion system, that has mechanisms for preventing bone screws from backing out of the plate. The system prevents both counter-rotation of the screw and axial backing out of the screw. Other embodiments are described herein. | 11-06-2014 |
20140336704 | ELECTRODE FOR STIMULATING BONE GROWTH, TISSUE HEALING AND/OR PAIN CONTROL, AND METHOD OF USE - A system for use in stimulating at least one of bone growth, tissue healing and pain control in a patient includes a first screw and a second screw. The first screw has an elongate shaft with opposite ends and a length extending between the ends, an exterior surface and a screw thread formed on the exterior surface of the shaft and extending along at least a portion of the length. The screw thread has an electrically conducting portion and an electrically insulating portion. The electrically conducting portion is located for deposition in a first pre-specified portion of the patient and the electrically insulating portion is located for deposition in a second pre-specified portion of the patient. An electrical power source is adapted to pass electrical current through the patient between the first and second screws. The electrical power source is operatively connected to the first screw for conveying current through the electrically conducting portion of the screw thread to the first pre-specified portion. The electrically insulating portion inhibits current from being conveyed to the second pre-specified portion. | 11-13-2014 |
20140350601 | ANTERIOR CERVICAL PLATE - An anterior cervical plate system is provided. The cervical plate includes a retention ring with a deflectable flange that is upwardly spaced from the top surface of the ring and configured to prevent an inserted bone fastener from backing out of the plate. The plate includes a locking pin having a camming surface and a blocking surface. When the camming surface is moved into position adjacent to the flange, the flange is free to flex out of the way of a bone screw being inserted into or removed from the plate. When the blocking surface is positioned adjacent to the flange, outward deflection of the flange is prevented to retain the bone screw inside the plate. The locking pin is rotated through a camming surface to bring a blocking surface against the flange deflecting the flange onto the head of the bone screw. | 11-27-2014 |
20150012039 | POSTERIOR VERTEBRAL PLATING SYSTEM - A posterior vertebral plating system comprising a plate and a plurality of attachment members. The plate has a plurality of holes extending through the plate from an upper surface to a lower surface, and the plate is configured to extend along the posterior side of at least two vertebrae adjacent at least one boney structure of each of the vertebrae. The holes are spaced in such a way that a first plurality of holes is positionable over a boney structure of a first vertebra to define a plurality of fixation points to the first vertebra and a second plurality of holes is positionable over boney structure of a second vertebra to define a plurality of fixation points to the second vertebra. The attachment members are insertable through the holes of the plate and into the boney structure of a corresponding vertebra to fix the plate to the vertebra. | 01-08-2015 |
20150025573 | TRANSLATIONAL PLATE AND COMPRESSOR INSTRUMENT - A bone plate that is configured to operatively attach to bone includes a first segment, a second segment, and a locking mechanism. The first segment includes a compression notch. The first and second segments are positioned along a longitudinal axis and are movable relative to one another. The locking mechanism inhibits relative axial movement of the first and second segments along the longitudinal axis away from one another. The locking mechanism includes first and second grooves disposed on the second segment. The first and second grooves and the compression slot are configured to receive an instrument to move the first segment towards the second segment along the longitudinal axis. | 01-22-2015 |
20150025574 | OCCIPITAL PLATE - An occipital plate for use in an occipitocervical fixation procedure to stabilize the base of a patient's skull with respect to the patient's neck. The occipital plate is made up of a middle portion having left and right sides, and left and right hinged legs extending outward in opposite directions from the left and right sides of the middle portion. Each of the left and right hinged legs uses a hinge mechanism to secure a spinal rod to the occipital plate. | 01-22-2015 |
20150032158 | Percutaneous Pedicle Screw Revision System - The present invention describes a system, devices and methods for percutaneous pedicle screw revision procedures. The present invention utilizes a tulip rod stub/connector adapted to be used to extend pedicle screw/rod constructs with minimal disruption to surrounding soft tissue and without having to remove existing hardware. | 01-29-2015 |
20150066084 | Instrument Kit for Spinal Osteosynthesis - A surgical kit for fastening vertebrae via the posterior approach or via the posterolateral approach, comprising: at least one vertebral or pedicle screw, and a fitting tube co-operating with the screw; the fitting tube having two rigid branches, each of the two branches having, on the inside face of its proximal end, at least one shoulder; the kit further comprising a retractable securing insert for securing together the branches; wherein the screw head has at least two longitudinal extensions, extending in the distal direction, each of said extensions being configured to enable said screw head to be inserted into a space of complementary shape formed between the inside surface of the proximal end of one of the rigid branches and the outside surface of the proximal end of said retractable insert, when the retractable insert is fully engaged in the fitting tube. | 03-05-2015 |
20150066085 | Systems and Methods for Internal Bone Fixation - Internal bone fixation devices and methods for using the devices for repairing a weakened or fractured bone are disclosed herein. A device for use in repairing a fractured bone includes a delivery catheter having an elongated shaft with a proximal end, a distal end, and a longitudinal axis therebetween, wherein the delivery catheter has an inner void for passage of at least one reinforcing material and an inner lumen for passage of a light source; a conformable member releasably engaging the distal end of the delivery catheter, wherein the conformable member moves from a deflated state to an inflated state when the at least one reinforcing material is delivered to the conformable member; and an adapter releasably engaging the proximal end of the delivery catheter for receiving the light source and the at least one reinforcing material. | 03-05-2015 |
20150080950 | LAMINOPLASTY FIXATION DEVICES - Devices and methods for treating degenerative conditions of the spine or for alleviating pain or discomfort associated with the spinal column are disclosed. In particular, laminoplasty fixation devices and methods are disclosed. Also disclosed, is a vertebral implant comprising a first bone engaging portion configured for securing to a first cut portion of a vertebra and a second bone engaging portion configured for securing to a second cut portion of the vertebra. A body portion is provided for associating the first and second bone engaging portions at a preselected spacing from each other, wherein the implant is adjustable to select said spacing. | 03-19-2015 |
20150088199 | SURGICAL INSTRUMENT - A surgical instrument includes an implant, which may include a cannulated pedicle screw having a screw head, a tulip connected to the screw head, an extension connected to the tulip, an ini threadedly engaged with at least one of the tulip and the extension, and/or a guide wire disposed in at least one of the extension, the tulip, and the implant. | 03-26-2015 |
20150094764 | HYBRID SPINAL PLATES - Various spinal plating systems for use in treating spinal pathologies are provided. In certain exemplary embodiments, the spinal plating systems can be configured to allow a surgeon to select a bone screw construct having a particular range of motion for attaching a spinal plate to bone as needed based on the intended use. In one exemplary embodiment, the spinal plating system includes a first bone screw that is polyaxially movable relative to the spinal plate, and a second bone screw that has a range of motion that is substantially limited to a single plane. | 04-02-2015 |
20150094765 | IMPLANTS, SYSTEMS, AND METHODS FOR FUSING A SACROILIAC JOINT - A sacroiliac joint fusion system including a joint implant, an anchor element and a delivery tool including an implant arm, an anchor arm, and a positioning arm coupling the implant arm and the anchor arm. The implant arm includes an implant shaft extending between a proximal end and a distal end of the implant arm. The anchor arm including an anchor shaft extending between a proximal end and a distal end of the anchor arm. The positioning arm coupled with the implant arm at a first end and coupled with the anchor arm at a second end. | 04-02-2015 |
20150100089 | Polyaxial Plate Rod System and Surgical Procedure - A spinal fixation device includes a bone screw, a nut, a bearing, a slider, and a plate construct. The screw has a head with a nut connection and a screw portion. The nut has an exterior wall and a bore connecting to the nut connection. The bearing has an exterior and defines a bore fitting therein the nut connection and the exterior wall of the nut. The slider defines a bore fitting the nut exterior wall therewithin and has an exterior with a given shape. The elongate plate construct has a first end defining a first opening shaped to accept the exterior of the bearing therein and a second end defining a second opening shaped to accept the slider therein and having a corresponding shape to the given shape to permit the slider to slide in at least a portion of the second opening. | 04-09-2015 |
20150105824 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS, ZERO-PROFILE HORIZONTAL INTERVERTEBRAL MINIPLATES, TOTAL INTERVERTEBRAL BODY FUSION DEVICES, AND POSTERIOR MOTION-CALIBRATING INTERARTICULATING JOINT STAPLING DEVICE FOR SPINAL FUSION - An apparatus and method for joining members together using a self-drilling screw apparatus or stapling apparatus are disclosed. The screw apparatus includes a worm drive screw, a spur gear and superior and inferior screws which turn simultaneously in a bi-directional manner. A rotating mechanism drives the first and second screw members in opposite directions and causes the screw members to embed themselves in the members to be joined. The screw apparatus can be used to join members such as bones, portions of the spinal column, vertebral bodies, wood, building materials, metals, masonry, or plastics. A device employing two screws (two-in-one) can be combined with a capping horizontal mini-plate. A device employing three screws can be combined in enclosures (three-in-one). The stapling apparatus includes grip handles, transmission linkages, a drive rod a fulcrum and a cylinder. The staple has superior and inferior segments with serrated interfaces, a teethed unidirectional locking mechanism and four facet piercing elements. The staples can be also be used to join members such as bones, portions of the spinal column, or vertebral bodies. | 04-16-2015 |
20150142055 | ANCHOR-IN-ANCHOR SYSTEM FOR USE IN BONE FIXATION - An anchor-in-anchor fixation system is provided for securing underlying structure, such as bone. The fixation system includes a first bone anchor having a shaft for fixation to underlying bone, and a head that defines an internal bore. A second bone anchor extends through the bore and into underlying bone. A fixation assembly is also provided that includes one or more fixation systems coupled to an auxiliary attachment member configured for long bone fixation, spinal fixation, or fixation of other bones as desired. | 05-21-2015 |
20150320450 | SACRAL FIXATION SYSTEM - Sacral fixation implants can include first and second implant segments. One of the first and second implant segments is received in the other of the first and second implant segments, and the first and segments can be fixed with respect to movement toward and away from each other, thereby stabilizing a sacral fracture. | 11-12-2015 |
20150320451 | SACRAL FIXATION SYSTEM - A sacral fixation implant can include at least one implant segment, a guide wire, and at least one locking member that is configured to fix the implant segment to the guide wire. The implant segment can be configured to be secured to an ilium bone, and the guide wire can be configured to be secured to the sacrum. The implant can include first and second implant segments that are configured to be secured to opposed ilium bones, such that a first locking member is configured to fix the first implant segment to the guide wire, and a second locking member is configured to fix the second implant segment to the guide wire. | 11-12-2015 |
20150359571 | EXTENSION DEVICE FOR A BONE ANCHOR, IN PARTICULAR FOR MINIMALLY INVASIVE SURGERY - An extension device for a bone anchor is provided, wherein the bone anchor comprises an anchoring section and a receiving part connected to the anchoring section, the receiving part having a central axis, the extension device comprising a first sleeve with a first sleeve axis that is coaxial to the central axis and being configured to be coupled to and decoupled from the receiving part; a second sleeve with a second sleeve axis coaxial to the central axis, being positioned within the first sleeve and positionable relative to the first sleeve along the central axis, and being configured to be coupled to and decoupled from the receiving part; a locking member that, in a first configuration, inhibits decoupling of the first sleeve or the second sleeve from the receiving part when the other one of the first sleeve or the second sleeve is coupled to the receiving part. | 12-17-2015 |
20150366589 | BONE ANCHOR SYSTEMS - Embodiments of the invention relate generally to tissue anchors and methods of delivering same to the intervertebral disc or other sites within the body. In some embodiments, the anchors provide pull-out resistance, stability and/or maximize contact with tissue involving a minimum amount of penetration. In some embodiments, delivery methods are minimally invasive and include linear, lateral, and off-angle implantation or driving of anchors along, against or within tissue surfaces. | 12-24-2015 |
20160015427 | Systems and Methods for Correcting Spinal Deformity - An exemplary system for correcting a spinal deformity includes a plurality of transverse rods, a longitudinal rod, and at least one node. The plurality of transverse rods each includes a first end for coupling with an extension member of a spinal fixation system and a second end. The longitudinal rod extends transverse to the transverse rods. The at least one node receives the second ends of first and second transverse rods and the longitudinal rod within a receiving portion and an adjustment member selectively secures the second ends. | 01-21-2016 |
20160015525 | DYNAMIC FORCE GENERATION FOR BONE REPAIR - An orthopedic device delivers dynamic forces to a desired remote bone region. Dynamically arranged mechanical forces are known to stimulate bone cells (the process of mechanotransduction). The device includes an implantable element configured to couple with a generally accessible and healthy bone area, from which location it's configured to transmit forces to a remote bone area in need of repair, regrowth, or regeneration. Further, the device positions and orients the implantable element where it can be readily acted on by the device's force generator. The force generator is configured to impart dynamic forces that are transmitted through the implantable element and into a desired bone mass including a remote bone area in need of repair. This device promotes fracture healing, treats osteoporotic or other poor quality bone, and promotes vertebral fusion in conjunction with a spinal fusion procedure. | 01-21-2016 |
20160081722 | SURGICAL IMPLANT SYSTEM AND METHOD - A spinal implant includes a wall that defines at least one opening and includes at least one part extending within the opening for disposal with a groove surface of a fastener. The fastener defines an axis. The groove surface is disposed between a head and a tissue penetrating shaft of the fastener. The at least one part is engageable with the groove surface to resist and/or prevent axial movement of the fastener relative to the wall. Systems and methods are disclosed. | 03-24-2016 |
20160128746 | POLYAXIAL BONE PLATE AND LOCKING ASSEMBLY - A cervical plate and one or more locking assemblies that help prevent screw backout without impinging on therapeutically valuable settling of the screws. In some cases, the locking assembly is configured to be permanently attached to the plate, to be securely but efficiently locked, to be readily unlocked for revision surgery, and/or to reduce the possibility of operator error in installation by providing simplified visible and tactile indicia of the locked and unlocked positions. | 05-12-2016 |
20160157893 | METHOD AND APPARATUS FOR SPINAL STABILIZATION - A method and apparatus of limiting at least one degree of movement between a superior vertebrae and an inferior vertebrae of a patient includes advancing a distal end of a stabilization device into a pedicle of the inferior vertebrae. A proximal portion of the stabilization device is positioned such that the proximal portion limits at least one degree of movement between a superior vertebrae and an inferior vertebrae by contacting a surface of the superior vertebrae. | 06-09-2016 |
20160157898 | DEVICE FOR STRAIGHTENING AND STABILIZING THE VERTEBRAL COLUMN - A device for straightening and stabilizing the vertebral column, particularly for stabilizing broken vertebrae, includes a supporting implant which is plastically expandable by internal pressure. The supporting implant can be placed into the interior of a vertebral body which has been fractured under compression or between adjacent vertebral bodies. A pressure balloon to which pressure fluid can be admitted may be arranged in the interior of the supporting implant for producing the internal pressure. | 06-09-2016 |
20160166291 | Bioactive Fusion Device | 06-16-2016 |
20190142470 | SPINAL SCREW HOLDER FOR MINIMAL INVASIVE SURGERY | 05-16-2019 |