Entries |
Document | Title | Date |
20080215098 | POROUS IMPLANT - An implant comprising a shaped body having a first region with a mean porosity P | 09-04-2008 |
20080228231 | Acoustic Back-Scattering Sensing Screw for Preventing Spine Surgery Complications - A medical device having an implantable instrument configured to be implanted in bone tissue, the implantable instrument having an internal chamber configured to house at least one transducer; a transducer located within the internal chamber of the implantable instrument, the transducer configured to transmit a signal and to receive one or more reflections of that signal; and a signal processing system configured to process the signals transmitted and received by the transducer so as to provide information indicative of the acoustic impedance of matter in the vicinity of the implantable instrument after it is implanted into the bone tissue based on the signals transmitted and received by the transducer. | 09-18-2008 |
20080249574 | Bone Screw System - A set of screws sized and configured for fixing a Jones fracture in a fifth metatarsal bone of a patient by preserving a bone thread path. Each screw has a low profile head on a trailing end, a thread portion on a leading portion, and a smooth shank portion between the head portion and the thread portion. A first screw has a thread major diameter of between about 4.4-4.6 mm, a second screw a thread major diameter of between about 5.4-5.6 mm, and a third screw a thread major diameter of between about 6.4-6.6 mm. The thread portion of all the screws in the set has a set of identical thread profile characteristics comprising a pitch, a leading edge angle, a trailing edge angle, a leading edge radius, a trailing edge radius, and a land. Each screw size is provided in various preferred lengths. | 10-09-2008 |
20080262555 | Percutaneous delivery of facet screws using depth control indicator - Instrumentation systems that facilitate the reproducible deployment and placement of fixation device such as a screw, via an aligned, percutaneous access and approach, designed to relieve lower back pain and possibly improve disc health and prevent progression or transition of disease. Information about methods and equipment for accessing and preparing bone for subsequent delivery of a bone screw such as a facet screw across a facet joint. Some of the many teachings contained herein address a system of visual indicators may be used in connection with a bore cutter that operates around an anchored guide wire to avoid dislodging the anchored guide wire. | 10-23-2008 |
20080306551 | Surgical Fastening - A surgical fastening ( | 12-11-2008 |
20080306552 | REINFORCED BONE ANCHOR 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 |
20080306553 | BONE ANCHOR WITH A COMPRESSOR ELEMENT FOR RECEIVING A 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 |
20080306554 | OSSEOINTEGRATION AND BIOINTEGRATION COATINGS FOR BONE SCREW IMPLANTS - Novel orthopaedic bone screws/spinal pedicle screws and implants that include coatings to help promote a structurally stable interface between the implant and the patient's bone/tissue, and methods of coating such screws and implants are provided. The implants and methodologies described involve at least a coating that facilitates osseous integration, and additionally at least one coating that either reduces the risk of infection in immunologically suppressed patients and/or for utilization in patients who have infection, but who require stabilization, or coatings that permit the use of dissimilar metals and prevent galvanic corrosive reactions. | 12-11-2008 |
20080319489 | SYSTEM AND METHOD FOR BONE ANCHORAGE - A bone anchor assembly may include a fixation member securable to a bone, a coupling member, a compressible member and a locking member. The fixation member may be formed monolithically with the coupling member, and the coupling member may have a loop portion shaped to receive the compressible member. The compressible member may comprise a compressible sphere with a bore extending therethrough, the bore shaped to receive an elongated member. The locking member may be actuable through an aperture in the coupling member to urge compression of the compressible member to lock the elongated member in a fixed position. The compressible member may be polyaxially adjustable relative to the coupling member. | 12-25-2008 |
20090018589 | Bone Screw - A bone screw is provided for securing a medical device to bone. The bone screw can engage with a bone screw hole in a medical device, such as an anterior cervical plate or sternal closure plate. | 01-15-2009 |
20090018590 | Device for fixation of bone fractures - A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone. | 01-15-2009 |
20090018591 | Polyaxial Pedicle Screw Assembly - A fastener and a bone fixation assembly for the internal fixation of vertebral bodies such as a pedicle screw is provided which allows a detachable tulip to be provisionally locked to a pedicle screw, while separately, the rod securely locks to the tulip. According to one exemplary embodiment, the tulip assembly includes a tulip body and an inner tulip member, the tulip body having a non-circular surface disposed on an outer surface. Additionally, a fastener is coupled to the tulip assembly and positionable to retain the tulip assembly on the head of a screw. Further, a cap having an outer surface and a plurality of inner protrusions is provided, wherein the plurality of inner protrusions are configured to mateably connect to the non-circular surface on the tulip body to compress the tulip assembly and secure a rod. | 01-15-2009 |
20090036934 | BONE ANCHORING DEVICE - A bone anchoring device includes a bone anchoring element having a shaft for anchoring in the bone and a head; and a receiving part for coupling a rod to the bone anchoring element. The receiving part includes a first portion with a first end and a second end and a U-shaped recess for receiving the rod, the recess extending from the first end in the direction of the second end thereby forming two free legs and a second portion at the side of the second end opposite to the first end for accommodating the head, the second portion having a free end and being flexible so as to allow introduction and clamping of the head. The bone anchoring device also includes a locking ring embracing the second portion. The head is locked by means of exerting pressure with the rod onto the locking ring resulting in compression of the second portion of the receiving part and wherein the locking ring is mounted to the receiving part from the free end of the second portion. | 02-05-2009 |
20090036935 | Polyaxial bone screw with helically wound capture connection - A polyaxial bone screw assembly includes a threaded shank body having an upper capture structure, a head and a closed retainer ring. The external capture structure surface and retainer ring internal bore surface are both threaded for rotatable attachment within a cavity of the head. The head has a U-shaped cradle defining a channel for receiving a spinal fixation rod. The head channel communicates with the cavity and further with a restrictive opening that allows for loading the capture structure into the head but prevents passage of the closed retainer ring out of the head. The retainer ring has an external substantially spherical surface that mates with an internal surface of the head, providing a ball joint, enabling the head to be disposed at an angle relative to the shank body. The threaded capture structure or the closed retainer structure includes a tool engagement formation and gripping surfaces for non-slip engagement by a tool for driving the shank body into bone. | 02-05-2009 |
20090048633 | Fixture - A screw type fixture is disclosed. In the fixture of the present invention, small screw threads ( | 02-19-2009 |
20090048634 | Polyaxial bone screw with compound articulation - A polyaxial bone screw assembly includes a threaded shank body having an upper capture structure, a receiver and a retainer having spherical inner and outer surfaces. The retainer is compressible, having an opening with two ends that may be pressed toward one another. The retainer spherical surfaces slidingly mate with both the receiver and the capture structure, providing multiple or compound polyaxial articulation. | 02-19-2009 |
20090062864 | Offset connection bone anchor assembly - A bone anchor assembly for coupling an offset bone anchor with a previously inserted spinal fixation element and method of use is provided. Exemplary embodiments of a bone anchor assembly are particularly suited for use in a rod-first spinal surgical technique in which a bone anchor inserted into a patient vertebra may be separated from a previously inserted spinal fixation element by a separation distance. | 03-05-2009 |
20090062865 | Orthopedic retaining system - In an orthopedic retaining system comprising at least one bone screw which has a head part and a threaded shaft pivotally mounted thereon, a clamping element which is mounted in the head part, can be pressed against the threaded shaft from its upper side and, as a result, secures the threaded shaft relative to the head part, a retaining bar which is arranged in a receptacle of the head part and extends essentially transversely to the threaded shaft and a clamping device on the upper side of the head part, by means of which the clamping element and the retaining bar are pressed into the head part in such a manner that the threaded shaft and the retaining bar are secured in position relative to the head part, it is suggested, in order to make it possible to gradually secure the threaded shaft and the retaining bar in place, that the clamping device comprise an elastically deformable pressure element which is displaced into a clamping position during actuation of the clamping device in the head part in the direction of its underside and abuts first of all on the clamping element and then on the retaining bar with further displacement and elastic deformation. | 03-05-2009 |
20090062866 | Polyaxial bone anchor with helical capture connection, insert and dual locking assembly - A medical implant assembly includes a polyaxial bone anchor having a shank, a receiver, a lower compression insert with surfaces for closely receiving an elongate connecting member and a dual closure structure that may include a single flange or helical flange. The dual closure structure independently engages the connecting member and the lower compression insert. A threaded capture connection of the bone anchor includes a shank upper surface exclusively engaging the lower compression insert and a retainer threadably attached to the shank and spaced from the upper surface, the retainer configured for polyaxial motion with respect to the receiver prior to locking. | 03-05-2009 |
20090069852 | Multi-Axial Bone Anchor Assembly - In one aspect, a bone anchor assembly is provided. The bone anchor assembly includes a bone anchor, a crown member, a saddle, and a sleeve. The bone anchor assembly is configured such that the bone anchor is moveable with respect to the saddle when the sleeve is positioned around the saddle and the bone anchor is locked relative to the saddle by compression of the head portion of the bone anchor between the crown member and a seat of the saddle. In another aspect, a system for orthopedic implantation is provided. The system includes an elongated member, a compression member, and a bone anchor assembly. In another aspect, a method of assembling a bone anchor assembly is provided. | 03-12-2009 |
20090069853 | Surgical retaining screw - In order to simplify the construction and handling capability of a surgical retaining screw comprising a shaft which has an external thread, a head part which is connected to the shaft securely or movably and has an interior space open towards the upper side located opposite the shaft as well as two openings which are arranged on oppositely located sides of the head part, are open towards the upper side and form a receptacle for a bar-like connecting part, and a clamping screw which can be screwed into the interior space from the upper side in such a manner that it clamps a connecting part placed in the receptacle in this receptacle, it is suggested that the clamping screw be screwed into a screw sleeve which abuts with a conical outer surface tapering towards the upper side of the head part on the complementary conical inner surface of a bearing sleeve surrounding the screw sleeve and that the bearing sleeve be held on the head part to as to be secured against any displacement in the direction towards the upper side. | 03-12-2009 |
20090082816 | REMODELABLE ORTHOPAEDIC SPACER AND METHOD OF USING THE SAME - A remodelable spacer for use in a bone plating procedure is fabricated from an extracellular matrix material. The remodelable spacer is positionable between a bone plate and a bone during an orthopaedic plating procedure. A method of using a remodelable spacer is also disclosed. | 03-26-2009 |
20090082817 | COUPLING APPARATUS FOR A BONE ANCHORED HEARING DEVICE - A coupling apparatus for a bone anchored hearing device for anchoring hearing aid devices or extra-oral prostheses in the form of ear and orbital prostheses in the skull bone. The apparatus comprises a screw-shaped anchoring fixture configured to be inserted into the skull bone and a skin-penetrating abutment coupled to the fixture by a screw connection. The fixture comprises a main body with an external screw thread and a flange having a substantially planar bottom surface. The flange is configured to stop the anchoring element from penetrating through the skull bone. The skin-penetrating abutment comprises a substantially conical outer surface. The upper end surface of the fixture is designed with an open cavity with a tapered inner contour forming a seat for the bottom part of the abutment. The bottom part of the abutment is configured to create a good connecting fit between the fixture and abutment. | 03-26-2009 |
20090093851 | Transfacet-Pedicle Locking Screw Fixation of Lumbar Motion Segment - A transfacet-pedicle locking screw fixation assembly includes a plurality of pedicle screws each including threads at a distal end and a connecting receptacle at a proximal end. The connecting receptacle is oriented perpendicularly with respect to a longitudinal axis of the pedicle screw. A basic transfacet locking screw including threads at least at a distal end has the distal end engaging the connecting receptacle in one of the pedicle screws. The transfacet locking screw may also be interlocked with another transfacet locking screw. | 04-09-2009 |
20090099609 | BONE ANCHOR SYSTEM - A bone anchor system anchors a support member to a bone. The bone anchor system comprises a body having a shank adapted for insertion into a hole in the bone. A head is formed on the shank. The head has a support engagement portion adapted to secure the support member to the body. A passage extends from an entry point to an exit point formed in the body. An expandable member has a flexible wall at least partially enclosing an anchoring chamber. The expandable member has an expanded state configured to conform to a cavity in the bone. The anchoring chamber is in fluid communication with the exit point. The expandable member is adapted to expand when a filler material is provided into the anchoring chamber. A portion of the expandable member conforms to the cavity and the body and the support member are substantially anchored to the bone. | 04-16-2009 |
20090105767 | Total joint subsidence protector - A subsidence protection device is provided. The subsidence protection device may be placed in either the tibia or the talus to support a portion of a total ankle prosthesis. | 04-23-2009 |
20090105768 | DUAL ANCHOR PROSTHETIC NUCLEUS APPARATUS - A spinal mobility preservation apparatus and methods are disclosed. The spinal mobility preservation apparatus may include a proximal body, an intermediate body, a distal body, and an expandable membrane. The proximal body and the distal body secure the mobility preservation apparatus to adjacent vertebral bodies. At least one of an intermediate body and an expandable membrane secure the proximal body to the distal body and provide a degree of support to a spinal motion segment defined by the adjacent vertebral bodies. A single proximal body and an expandable membrane may also compose a spinal mobility preservation apparatus. The proximal body secured to one of a superior or an inferior vertebral body and the expandable membrane extending into the intervertebral disc space to support the spinal motion segment. | 04-23-2009 |
20090112269 | APPARATUS AND METHOD FOR AFFIXING BODY STRUCTURES - An apparatus for affixing a plurality of body structures together in a flexible manner includes a first articulated fastener having substantially rigid proximal and distal portions, longitudinally separated by a first flexible articulating portion. The first articulated fastener has a first thread direction. A second articulated fastener has substantially rigid proximal and distal portions, longitudinally separated by a second flexible articulating portion. The second articulated fastener has a second thread direction opposite the first thread direction. The first and second articulated fasteners are both adapted for insertion into each of the plurality of body structures. A method of affixing a plurality of body structures together in a flexible manner is also provided. | 04-30-2009 |
20090112270 | Anchor Assembly - The present disclosure relates to an anchor assembly. The anchor assembly includes an anchor defining a cavity and an opening to the cavity and an insertion member configured for arrangement within the anchor cavity. The insertion member includes a body having a proximal end portion and a flat distal end portion, and a head coupled to the proximal end portion of the body. A method of tissue repair and other anchor assemblies are also disclosed. | 04-30-2009 |
20090118772 | POLYAXIAL BONE ANCHOR WITH INCREASED ANGULATION - Embodiments of a bone anchoring systems are disclosed. In one such embodiment, there is disclosed a bone anchoring system, comprising a bone anchor having a distal end portion adapted to engage a bone and a proximal end portion, a head coupled to the proximal end portion wherein the head is adapted to rotate with respect to the bone anchor, and a locking element coupled to the head and adapted to rotate with respect to the head to create additional rotation with respect to the bone anchor. | 05-07-2009 |
20090131989 | Bone screw and method for manfacturing the same - A faceted bone screw and a method for manufacturing the same includes a screw thread configuration having facets that are substantially transverse to the thread. The facets are generally made up of a plurality of transitioning peaks and valleys which vary the depth of the thread and are disposed in one or more locations throughout the threaded portion of the bone screw. The facets operate to reduce the torque required to drive the bone screw into bone, while at the same time operate to assist in anchoring the bone screw within the bone once inserted therein, and thereby reduce the possibility for the screw backing out after insertion. | 05-21-2009 |
20090131990 | BONE SCREW SYSTEM AND METHOD - An improved bone screw comprising an adapter which permits to a stabilization device, such as a locking plate. The adapter may be operable to couple with the head of a bone screw and may comprise a plurality of threads to permit coupling with holes located in a locking plate. The adapter may be configured to orient a bone screw at a desired trajectory. | 05-21-2009 |
20090131991 | SYSTEM AND METHOD FOR THE FIXATION OF BONE FRACTURES - A system and method for facilitating the fixation of bone fractures is disclosed. The system includes a flexible wire attached to a tip. The tip may comprise a substantially planar surface and a pointed cutting edge and cutting threads. The system may further comprise a sleeve that is insertable over the flexible wire to provide additional stability and strength. The sleeve may be smooth or may comprise a gripping means to increase the holding strength of the system. The system and method may be used to deliver treatment to a bone to facilitate fixation. The treatment may comprise medications, adhesives, implants, fasteners, suturing materials, and/or other means of fixation. | 05-21-2009 |
20090138052 | BONE ANCHORING DEVICE - A bone anchoring device includes an anchoring element having a shank to be anchored in a bone or a vertebra, a rod for connecting at least two anchoring elements, the rod being made of an elastic material. The bone anchoring device further includes a receiving part being connected to the shank for receiving the rod, a seat for the rod being provided in the receiving part the seat having a rod contacting surface, and a locking device cooperating with the receiving part for fixation of the rod in the seat. The locking device includes a rod contacting surface, wherein the rod contacting surface of the seat and/or the rod contacting surface of the locking device includes an engagement structure for engaging the rod, the engagement structure having an asymmetric cross section. | 05-28-2009 |
20090138053 | METHOD AND APPARATUS FOR FACET JOINT STABILIZATION - A device for treating a facet joint of a patient, the facet joint including opposing, superior and inferior faces. The device includes a superior component and an inferior component each defining an anchoring surface configured to engage bone at a face of the facet joint and an articulating surface. The device is configured for percutaneous insertion into the facet joint, with the articulating surfaces abutting one another in a sliding interface. One or more instruments are included with the device as part of a percutaneous implantation kit, such as a dilator, a guide wire, and a sheath. | 05-28-2009 |
20090143826 | FASTENING SYSTEM AND FASTENING METHOD FOR REFERENCE ARRAYS - A fastening system for reference arrays, wherein a curable material fixes an attachment base which is assigned to the reference array, relative to a bone. | 06-04-2009 |
20090157123 | DYNAMIC BONE FIXATION ELEMENT AND METHOD OF USING THE SAME - The present invention relates to dynamic bone fixation elements and a surgical method to stabilize bone or bone fragments. The dynamic bone fixation elements preferably include a bone engaging component and a load carrier engaging component. The bone engaging component preferably includes a plurality of threads for engaging a patient's bone and a lumen. The load carrier engaging component preferably includes a head portion for engaging a load carrier (e.g., bone plate) and a shaft portion. The shaft portion preferably at least partially extends into the lumen. Preferably at least a portion of an outer surface of the shaft portion is spaced away from at least a portion of an inner surface of the lumen via a gap so that the head portion can move with respect to the bone engaging component. The distal end of the shaft portion is preferably coupled to the lumen. | 06-18-2009 |
20090157124 | Anchoring System - The present disclosure relates to an anchor assembly. The anchor assembly includes an anchor defining a cavity and an opening to the cavity and an insertion member including a body having a proximal end portion and a flat distal end portion, and a head coupled to the proximal end portion of the body. The insertion member is configured for arrangement within the anchor cavity. A method of tissue repair and other anchor assemblies are also disclosed. | 06-18-2009 |
20090171401 | Pedicle screw with a closure device for securing a rod for stabilization of the vertebral column - A pedicle screw ( | 07-02-2009 |
20090177238 | DISTRACTION SCREW FOR SKELETAL SURGERY AND METHOD OF USE - An improved distraction bone screw and a method for its use are described. The distraction screw is comprised of an implantable distal segment and a detachably secured proximal segment. The distal segment includes a head portion and a threaded shank portion. The proximal segment is represented as an elongated body having an internal bore that extends through its length. A deployable member is disposed within the bore, which is extendible outside the internal bore to securely couple to the distal segment. | 07-09-2009 |
20090192551 | Facet Fixation Prosthesis - A facet screw system for surgical implantation into bone tissue having a shaft, a compression member and a washer. The shaft includes a shaft having a bone engaging portion and a compression member engaging portion. The compression member includes a spherical head portion having a recess for engaging with a driving instrument, and an elongated coupling portion having internal threads for coupling with the compression member engaging portion of the shaft and a washer coupled to the spherical head portion of the compression member and having a plurality of bone engaging protrusions. The washer is adapted to be polyaxially rotatable with respect to the compression member. | 07-30-2009 |
20090198287 | BONE FIXATION DEVICE AND METHOD OF USE THEREOF - A device for flexibly connecting bones, and a method of using the device for repairing a syndesmotic joint of an ankle are disclosed. The connector has, spaced sequentially, a first portion, a central portion and a second portion, and the portions define a longitudinally extending axis. The method comprises securing the first portion of the connector to a tibia of a patient proximate the syndesmotic joint, securing the second portion of the connector to a fibula of the patient proximate the syndesmotic joint, and, positioning at least a portion of the central portion having increased flexibility in the syndesmotic space. | 08-06-2009 |
20090198288 | SELF-TAPPING BIOCOMPATIBLE INTERFERENCE BONE SCREW - A biocompatible interference screw for soft tissue or bone-to-bone fixation comprises a screw body extending from a screw head to a distal tip of the screw. The screw body has an outer surface, and comprises polyether-ether-ketone (PEEK) material. Advantageously, the body outer surface has a textured surface finish for substantially improving pull-out strength of the interference screw. The textured surface finish is textured, in preferred embodiments, with a minimum of approximately 16 micro inches of surface roughness. The screw head comprises a tapered square keyhole for receiving a distal end of a driver instrument. The screw comprises a series of threads, which have a relatively smooth profile, in order to prevent graft tissue laceration as the screw is being inserted. The distal tip of the screw body comprises a narrow tip, and a distal end of the screw body is angled inwardly toward the narrow distal tip. | 08-06-2009 |
20090248087 | Variable axis locking mechanism for use in orthopedic implants - A locking mechanism assembly to allow locking of a fastener in an orthopedic implant having its axis at a variable angle relative to the axis of a threaded through opening in the implant. The assembly includes a convexly rounded ring shaped locking insert which mates with the through opening. The head of the fastener includes a concentric flange that engages the locking ring into a locking relationship with the threads of the opening as the fastener is tightened into position. Preferably the locking ring is integral with the head of the fastener. The locking ring is made from a material that is more deformable than the material of the plate. | 10-01-2009 |
20090299414 | Polyaxial bone screw with uploaded threaded shank and method of assembly and use - A polyaxial bone screw assembly includes a threaded shank body integral with an upper capture structure and a head having an inner cavity for receiving the capture structure. The capture structure is threaded and the head includes a threaded opening for rotatable assembly with the capture structure and eventual locking frictional engagement between the capture structure and the head. The head has a U-shaped cradle defining a channel for receiving a spinal fixation rod. The head channel communicates with the cavity and further with the threaded opening that allows for loading the capture structure into the head but prevents pushing or pulling of the capture structure out of the head. The capture structure and the head provide a ball joint, enabling the head to be disposed at an angle relative to the shank body. The capture structure includes a tool engagement formation and gripping surfaces for non-slip engagement by a tool for driving the shank body into bone. | 12-03-2009 |
20090306726 | DEVICE FOR FIXATION OF A BONE FRACTURE - The present invention relates to a device for fixation of a bone fracture. The device comprises at least one appliance ( | 12-10-2009 |
20090318980 | PERCUTANEOUS FACET FIXATION SYSTEM - A percutaneous facet fixation system minimally invasive, reproducible, efficient, and effective. Capable of immediate stabilization of a facet joint complex, the instrumentation and methods may be used with C-arm and/or endoscopic visualization. | 12-24-2009 |
20100016903 | POSTERIOR SPINAL FASTENER AND METHOD FOR USING SAME - A posterior spinal fastener is disclosed for insertion into a vertebra of a mammalian body, the vertebra having posterior elements and a vertebral body. The fastener includes an elongate member adapted for insertion into the vertebra. The elongate body has an anterior portion and a posterior portion. The anterior portion is arcuate in shape for placement in the vertebral body. The posterior portion has a length so as to be accessible at the posterior elements of the vertebra when the anterior portion is disposed in the vertebral body. A method of use of the posterior spinal fastener is also disclosed, in which the posterior spinal fastener is introduced into the vertebra at the posterior elements and arcuately extended into the vertebral body. | 01-21-2010 |
20100030278 | Undercut Screw Feature and Driver - A driver including a handle, lever, swivel cap, shaft, and a tip mechanically connected to the lever configured to engage a screw. Engaging the lever causes the tip to either compress or expand so as to lock the screw to the driver. According to one exemplary embodiment, the cap can be translated releasing the lever, thereby releasing the screw from the tip. According to one embodiment, the cap is a swivel cap allowing for jeweler style use. Advantages of the present system and method, according to various embodiments, include a tip compressing a feature that is within an outer diameter of the screw allowing a driver, or a portion thereof, to have a maximum diameter equal to or smaller than the maximum diameter of a screw. | 02-04-2010 |
20100036432 | TWIST OFF REDUCTION SCREW - Methods and systems for reducing spinal stabilization rods. In one embodiment, a method can include attaching a collar to a boney structure. The collar can include a body and an extension, each including arms further defining threaded slots. A separation member can couple the body and the extension to each other. The method can include reducing the rod using the collar and separating the extension from the body by applying a torque to the extension. The separation of the extension from the body can be accomplished with one substantially continuous motion and can leave tissues adjacent to the collar substantially undisturbed. The arms of the extension can be prevented from splaying, thereby mitigating a moment during the reduction of the spinal stabilization rod through the extension. Thus, the separation member can transmit tensile forces and certain amounts of torques between the body and the extension. | 02-11-2010 |
20100042162 | SELF-LOCKING SURGICAL FASTENER - The present application is directed to self-locking surgical fasteners. The fastener generally includes a shaft section, a head section, and one or more locking members. The locking members may be located within the head section. A first portion of the locking members may extend beyond an outer surface of the head section, and a second portion of the locking members may extend into a hollow interior of the head section. A tool used to insert the fastener into the patient engages a receiver portion of the fastener. As the insertion tool engages the receiver, the tool may contact and exert a force on the locking member such that the first portion of the locking member may be retracted within the head section. Upon disengaging the insertion tool from the receiver, the locking member may return to the position extending outward beyond the outer surface of the head section. | 02-18-2010 |
20100042163 | LONGITUDINAL IMPLANT - The longitudinal implant is fastened to bones on either side of a damaged area through a connecting device. Said implant is comprised of a filament or fiber composite material and said connecting device is made of a material harder than said longitudinal implant. The longitudinal implant is preferably made of a carbon filament composite material, wherein the filament are encapsulated in a polymer matrix. | 02-18-2010 |
20100057135 | Modular pedicle screw system - A modular anchoring device including a threaded shank for anchoring within a vertebra, an intermediate element and a head portion configured to receive and secure a rigid or non-rigid stabilization rod. The threaded shank, the intermediate element and the head portion of the anchoring device are cannulated to permit percutaneous implantation of the device. The intermediate portion is designed to be removable from the threaded shank portion subsequent to implantation of the anchoring device to enable substitution of another intermediate element having different dynamic characteristics. | 03-04-2010 |
20100057136 | Modular pedicle screw system with tap and screw driver device - A modular dynamic pedicle screw system including anchoring device having a threaded shank for anchoring within a vertebra, an intermediate element and a head portion configured to receive and secure a rigid or non-rigid stabilization rod. The threaded shank, the intermediate element and the head portion of the anchoring device are cannulated to permit percutaneous implantation of the device. The intermediate portion is designed to be removable from the threaded shank portion subsequent to implantation of the anchoring device to enable substitution of another intermediate element having different dynamic characteristics. The dynamic stabilization system includes an adjustable torque limiting device that is interchangeable between a tap device and a screw driver. The torque device provides information relative to the patient's bone quality inter-operatively in order to determine the appropriate modulus of elasticity for the dynamic pedicle screw | 03-04-2010 |
20100063550 | RADIOLUCENT SCREW WITH RADIOPAQUE MARKER - A bone screw includes an elongate shaft extending longitudinally between a proximal end and an opposing distal end, the shaft bounding a first passageway at least partially extending between the proximal end and the distal end, the shaft being comprised of a radiolucent material. A core is disposed within the first passageway of the shaft, the core being comprised of a radiopaque material. A rounded head or a substantially U-shaped collar is either integrally formed with or is rigidly attached to the proximal end of the shaft. | 03-11-2010 |
20100063551 | POLYAXIAL SCREW ASSEMBLY - A polyaxial screw assembly includes an internal load dampening mechanism for sharing and dampening loads between at least one screw member and at least one rod member interconnected by the assembly. A method of interconnecting the orthopedic screw with the rod includes dampening with a body member interconnecting the screw to the rod. | 03-11-2010 |
20100069969 | Low Profile Screw and Washer System for Bone Plating - A low profile bone screw system includes a retainable washer and a low profile bone screw having a smooth conical head for insertion into the washer. The washer has an axial bore with a conical portion for fully seating the screw head and a smooth outer surface shaped like the head of a conventional compression bone screw head. Washer dispensing units are also provided. | 03-18-2010 |
20100069970 | Orthopedic compression screw - A cannulated compression screw is used as an orthopedic implant and has a threaded distal end with an insertion tip that includes at least one and preferably two, three or four flutes to allow the screw to be self-tapping. Optionally, the screw also includes one or more reverse cutting flutes proximal to the insertion tip. The distal threads are cancellous threads having a generally constant minor diameter and a generally constant major diameter and a generally constant thread pitch. An intermediate portion of the screw is non-threaded and the proximal end includes a compression wedge or taper that has at least one, and preferably two to five flutes that terminate before the top of the screw. The proximal end further includes a radiused bevel to the terminal surface that includes a hexagonal torque driving recess. The diameter of the non-threaded shaft section is constant distal from the compression wedge to the distal tip where it defines the minor diameter of the threaded portion. The screw optionally includes a tapered insertion tip. | 03-18-2010 |
20100069971 | PEDICLE SCREW SURFACE TREATMENT FOR IMPROVING BONE-IMPLANT INTERFACE - A method for surface treatment of a pedicle screw including roughening a surface of a pedicle screw by blasting the surface with a Resorbable Blast Media (RBM). | 03-18-2010 |
20100076497 | Device and Method for Securing a Fastener - An implant for filling and/or distracting a body region, particularly a non-soft tissue cavity, has a plurality of segments wherein at least two of the segments are flexibly connected. The segments have a crush-strength sufficient to create and/or maintain the distraction of two or more non-soft tissue body surfaces, and to maintain the stability of the body region. The implant may be inserted into a cavity by an applicator having a cannula with a distal opening, and a rotary driver for applying force to move the implant within the cannula. | 03-25-2010 |
20100094352 | BONE SCREW - The present invention provides a bone screw which can be used for fixation and/or fastening of prosthetic devices or instruments to bone tissue whose structure or dimensions differ from one region to another. In particular, the present invention provides a bone screw which is designed to optimize purchase in both the cancellous and cortical regions of a vertebral body. In an exemplary embodiment, the bone screw has a distal portion and a proximal portion in which the diameter of the thread on the proximal portion of the screw is greater than the diameter of the thread on the distal portion of the screw. | 04-15-2010 |
20100094353 | PEDICLE SCREW - A pedicle screw is provided to be inserted into and fixed to a pedicle of a spinal disease patient, and more particularly, a pedicle screw in which a screw thread of a clamp screw is formed to have dents and protrusions with trapezoid cross-sections so as to form a predetermined gap with a screw thread of a fixing unit having dents and protrusions with rectangular cross-sections when the clamp screw is combined with the fixing unit, and the screw thread of the clamp screw has different pitches to disperse an external impact so as to further firmly combine the clamp screw with the fixing unit. | 04-15-2010 |
20100100135 | BONE FIXATION DEVICE HAVING AN EXPANDABLE ANCHOR - An apparatus includes a first elongate member and a second elongate member. The first elongate member has a proximal end portion that includes a threaded portion, and a distal end portion that includes a retention portion. The retention portion of the first elongate member is configured to deform when moved from a first configuration to a second configuration. At least a central portion of the second elongate member is disposed within the first elongate member. The second elongate member has a distal end portion that includes an actuation portion configured to deform the retention portion of the first elongate member from the first configuration to the second configuration. | 04-22-2010 |
20100100136 | Poly-axial pedicle scre implements and lock screw therefor - A lock screw assembly for use with a pedicle screw assembly comprises a lock screw and an upper saddle. The lock screw includes a fastening tool engaging structure at a first end portion thereof and an upper saddle receiving structure at a second end portion thereof. The upper saddle is engaged with the upper saddle receiving structure of the lock screw in a manner allowing the upper saddle to rotate about a centerline axis of the lock screw. A plurality of intersecting spine rod receiving channels extend through a spine rod engaging portion of the upper saddle in a manner such that an outwardly-extending spine rod engaging structure is provided between adjacent ones of the spine rod receiving channels. Upper and lower surfaces of each spine rod engaging structure are acutely angled with respect to each other and wherein a channel edge defined between the surfaces is sharply pointed. | 04-22-2010 |
20100106198 | NERVE STIMULATING BONE SCREW - A nerve stimulating bone screw is disclosed and can include a shaft that can have a continuous thread formed thereon and a distal end. A head can be attached to the shaft. Also, the nerve stimulating bone screw can include a first conductor that can extend through the shaft. The first conductor can be insulated and can provide a signal at the distal end of the shaft. The signal can be configured to provide nerve stimulation at the distal end of the shaft of the nerve stimulating bone screw. | 04-29-2010 |
20100121384 | OCCIPITAL FIXATION SYSTEM AND METHOD OF USE - Disclosed is a multi-axial occipito-cervical connection system that enables an occipital rod to be coupled to a cervical rod in a manner that permits multi-axial, relative movement between the two rods about a predetermined location, such as the heads of the rods. The system includes a locking mechanism that can be actuated to lock the relative positions of the rods. The rods can provide an interconnection between one or more attachments on the skull (such as an occipital attachment) and one or more attachments to the spine (such as spine screws). | 05-13-2010 |
20100131015 | Spring-loaded kinematic adjustment screw - A precision kinematic adjustment screw for optical mounts controls the position of the stage plate relative to the base plate so that the position is stable, consistent and reproducible. Use of a spring-loaded spherical member that is free to rotate independent of the screw minimizes friction between the proximal end of the screw and the contact surface of the stage plate and reduces the potential for deformation and/or abrasion of the contact surface. | 05-27-2010 |
20100137918 | ROD AND ANCHOR SYSTEM AND METHOD FOR USING - A method of conducting a surgical procedure including implanting an anchor into a bone, wherein the anchor comprises a receiving portion and a screw, the screw including a screw head contained within the receiving portion and pivotally engageable with a surface of the receiving portion, and wherein the receiving portion and the screw comprising a different material. The method further includes selecting a rod from a group of rod types and coupling the rod with the receiving portion to stabilize a position of a portion of the spine. | 06-03-2010 |
20100145393 | MEDICAL AND DENTAL POROUS IMPLANTS - A porous PEEK implant system which may provide tissue ingrowth throughout the body of the implant. The implant may comprise a solid or porous PEEK core. The porous PEEK implants may be of general shape and size but provide the structure necessary to carry out the function of the implant. The porous PEEK implant pores may be seeded with agents to encourage tissue ingrowth as well as other agents such as antibiotics, anesthetics, analgesics and the like. | 06-10-2010 |
20100152785 | COAXIALLY LOCKABLE POLY-AXIAL BONE FASTENER ASSEMBLIES - A poly-axial bone fastener assembly having a collar and a bone fastener can be coaxially locked to prevent poly-axial movements of the collar relative to the bone fastener while permitting the collar to rotate about an axis of the bone fastener, thereby combining the functions and advantages of a poly-axial bone screw and a fixed angle bone screw. Some embodiments of a coaxial locking mechanism may include a c-clip with a locking pin, a c-clip with hooks, a split ring with square corners, a pin that spins inside the collar, pins that travel about a neck of the bone fastener, a coaxially locking top that screws into the collar over a head of the bone fastener, and a top nut that threads onto the head of the bone fastener inside the collar to trap a flange of the collar between a shoulder of the bone fastener and the top nut. | 06-17-2010 |
20100152786 | ORTHOPEDIC BONE FIXATION - The present invention provides a bone anchor, and a method of using the same, the bone anchor comprising a hollow cylindrical housing, buttress means attached to the distal end of said cylindrical housing comprising one or more releasable anchors, a threaded rod rotatably placed within the internal space of said housing, said threaded rod is mechanically linked to the buttress means, wherein said anchors are capable of being moved between an open conformation and a closed conformation and vice versa by means of manipulating the proximal end of said threaded rod. | 06-17-2010 |
20100160974 | Method of Bone Anchor Assembly - A method of assembling a bone anchor assembly is presented. The bone anchor assembly includes a bone anchor and housing configured to receive the bone anchor and a longitudinal member. The bone anchor is inserted into a passage in the housing and material is swaged to retain the bone anchor in the housing. The material that is swaged is a portion of the housing or additional material added to the assembly. | 06-24-2010 |
20100174322 | Biased Bumper Mechanism and Method - A dynamic screw assembly includes a screw head having a pair of diametrically opposed arms, a slot between the arms, an inwardly curved bottom portion, an outwardly protruding and expandable bulbous end extending from the inwardly curved bottom portion and an opening positioned through the bulbous end, a bumper mechanism adjacent to the screw head that adjusts an angle of the screw head to a desired location in the dynamic screw assembly, a fixation component coupled to the bumper mechanism, a saddle connection positioned in the opening and engaging the screw head and the fixation component, a longitudinal member positioned in the slot and a blocker coupled to the screw head and the longitudinal member. | 07-08-2010 |
20100191291 | BONE FIXATION DEVICE AND METHODS FOR TREATING SPINAL STENOSIS - An apparatus includes a screw, an actuator and a spacer. The screw has a distal end portion and a proximal end portion. The distal end portion of the screw is configured to be threaded into a bone tissue. The proximal end portion of the screw has a surface. The actuator is threadedly coupled to the screw, and has an actuation surface defining a line substantially non-parallel to and substantially non-normal to a longitudinal axis of the screw. The spacer has a first surface substantially parallel to and in contact with the surface of the proximal end portion of the screw. The spacer has a second surface substantially parallel to and in contact with the actuation surface of the actuator. The actuator is configured to move the spacer relative to the screw between a first position and a second position. | 07-29-2010 |
20100191292 | Oriented polymer implantable device and process for making same - A device is formed by a discontinuous process into a bone screw, plate, or fastener, wherein the device has a degree of polymer alignment and strength, and upon reheating above glass transition temperature of the polymer, the device remains dimensionally stable, as it maintains its dimensions, strength, and degree of polymer orientation. In practice of the present invention, the polymer slug is pressed into the die cavity by the actuation of ram press, causing the slug to conform to the die cavity. | 07-29-2010 |
20100198268 | LOW PROFILE BONE SCREW EXTENDER AND ITS APPLICATION IN MINIMUM INVASIVE SPINAL SURGERIES - A tissue extender includes a ring defining a proximal end opening to engage a head of a subcutaneous screw, a first extender portion coupled to the ring at a proximal end of the first extender portion, and a second extender portion coupled to the ring at a proximal end of the second extender portion. The first extender portion includes a first coupling portion disposed at a distal end of the first extender portion, and the second extender portion includes a second coupling portion at a distal end of the second extender portion. The first and second extender portions define two side openings disposed on opposite sides of the tissue extender. The distal ends of the first and second extender portions together define a distal end opening. The first coupling portion engages the second coupling portion when the tissue extender is in an extended state. The distal end opening is larger in the extended state than in an unextended state. | 08-05-2010 |
20100198269 | Spinal Implants with Multi-Axial Anchor Assembly and Methods - System and methods are provided that include a plate member engageable to the spinal column with an anchor assembly. The anchor assembly includes a coupling member having a post extending through at least one opening of the plate member and an anchor member pivotally captured in a receiver member of the coupling member below a lower surface of the plate member. A locking member secures the plate member to the coupling member. | 08-05-2010 |
20100198270 | Multi-Axial Bone Screw Assembly - A bottom-loading multi-axial bone anchor apparatus is disclosed. The apparatus includes a receiver member, a crown member, a bone anchor and a retaining member. The receiver member defines an upper opening and a lower opening, which may form part of the same opening, a channel, and a groove. The crown member and bone anchor are loaded into the lower opening of the receiver member, and the retaining member fits around the bone anchor and into the groove in the receiver member. The bone anchor is capable of multi-axial positioning with respect to the receiver member. An elongated member is placed in the channel of the receiver member, contacting the crown member, and a compression member is applied via the upper opening. The compression member presses down on the elongated member, which presses down on the crown member and locks the bone anchor between the crown member and the retaining member. | 08-05-2010 |
20100211113 | Bone Screw With Channels - Embodiments of the invention may prevent or diminish a bone screw from “backing out” from bone. Bone particulate residing in channels of the bone screw may promote bone growth that would reduce the potential of backing out. Furthermore, bone particulate from drilling and tapping functions can cause increased friction. However, by placing bone particulate in channels of the bone screw, potential binding may be reduced resulting in less stress on the screw shaft. Also, breaking of screws during screw insertion may be reduced due to tapering of the screw. | 08-19-2010 |
20100217329 | BONE SCREW - There are disclosed embodiments of screws for use in orthopedic surgery, particularly in pediatric patients. In some embodiments, inner and outer implantable members are provided, with the outer implantable member threadable on the inner implantable member to provide compression on two or more bone parts. In some embodiments, screw members are provided with a threaded shaft, and the thread continues into the head of the screw member to enable the thread to remain in pediatric bone. | 08-26-2010 |
20100217330 | BONE FIXATION DEVICES AND METHODS - An apparatus includes a bone screw and a retention member. The bone screw has a proximal end portion and a distal end portion. The distal end portion of the bone screw includes a threaded portion. The retention member is coupled to the proximal end portion of the bone screw such that movement of the retention member relative to the bone screw is limited. The retention member is configured to deform when moved from a first configuration to a second configuration. | 08-26-2010 |
20100217331 | SYSTEM AND METHODS OF MAINTAINING SPACE FOR AUGMENTATION OF THE ALVEOLAR RIDGE - An implantable screw for maintaining space during bone grafting procedures is provided, where the screw has a highly-polished contoured head having a region adapted to support soft tissue, a threaded shaft and a tip adapted to penetrate bone tissue. Also provided, a device combining multiple implantable screws in series in order to increase the available space to grow new bone and a method for implanting the implantable screw. The implantable screws provided may be used in conjunction with bone graft materials and are removable once a desired amount of new bone is generated. | 08-26-2010 |
20100222826 | Sheaths For Implantable Fixation Devices - Sheaths for implantable fixation devices are disclosed. Sheaths have a flexible body with a perforated wall, an open end, a closed end, and a body interior sized and shaped to receive the fixation device. | 09-02-2010 |
20100228300 | Radiosurgery Compatible Bone Anchor - There is provided an anchoring mechanism/bone anchor comprised of a radiotranslucent material for securing vertebral stabilizing implants to vertebral bone. The anchoring mechanism is preferably a pedicle screw comprised of a fiber material embedded in a radiolucent matrix material. | 09-09-2010 |
20100234900 | ENDOSSEOUS IMPLANT - Endosseous implant to be applied to a human or animal bone, wherein the surface of the implant is made from titanium or a titanium alloy, said implant having a smooth or rough surface texture, which is characterized in that said surface has been treated with at least one selected organic phosphonate compound or a pharmaceutically acceptable salt or ester or an amide thereof; process for producing said implants. | 09-16-2010 |
20100249854 | 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 |
20100298886 | Contact Device for Osteosynthesis - The invention relates to a contact device for a bone screw, wherein, in an implanted end state of the arrangement of bone screw and contact device, a first part of the contact device is arranged outside a cavity and a second part is arranged inside the cavity of the bone screw, the parts forming counterelectrodes, and the second part electrically contacts the bone screw while the first part is isolated from the bone screw, wherein the contact device has a cavity with a voltage source whose poles electrically contact each of the first part and second part directly or indirectly. In order to improve such a contact device, particularly in respect of the volume available for electrical components, it is proposed that the first part of the contact device is arranged proximally in an implanted end state of the arrangement of bone screw and contact device. | 11-25-2010 |
20100331894 | ORTHOPEDIC SCREW FOR MEASURING A PARAMETER OF THE MUSCULARSKELETAL SYSTEM - A dual-mode closed-loop measurement system ( | 12-30-2010 |
20110004255 | BONE JOINING APPARATUS AND METHOD - Provided is a bone joining device suitable for joining a first bone piece to a second bone piece. Also provided is a method of joining a first bone piece with a second bone piece in a living mammal. The method comprises inserting the above bone joining device between the first bone piece and the second bone piece. | 01-06-2011 |
20110004256 | INSTRUMENTS FOR USE WITH A BONE ANCHOR WITH PLUG MEMBER - Instruments for use with a bone anchoring assembly having plug member are disclosed that allow introduction of the plug member and bone cement or other liquid or pasty material into the bone anchor. The bone anchor includes a shaft having a first end and a second end, a channel extending from the first end to the second end, and a plug member which is insertable into the channel and guidable through the channel for closing the channel at the second end. The bone anchor is suitable for minimally invasive surgery in such a way a guide wire can be guided through the bone anchor and after the bone anchor has been anchored in the bone the plug member is inserted to close the open end of the bone anchor. | 01-06-2011 |
20110054544 | SYSTEM WITH INTEGRAL LOCKING MECHANISM - A stratum to be affixed to bone is disclosed. The stratum has a first surface, a second surface, and at least one hole extending between the first surface and the second surface, wherein the second surface is configured to engage at least a portion of the bone, and wherein the stratum further has a slot in the stratum that extends from the at least one hole to another location on the stratum, and the stratum is further configured to deflect, allowing a fastener to pass at least partially through the hole. | 03-03-2011 |
20110054545 | DISTAL INTERPHALANGEAL FUSION DEVICE AND METHOD OF USE - Embodiments of the invention are directed to a distal interphalangeal (“DIP”) fusion device for connecting a first bone of a patient to a second, adjacent bone of the patient. The device may include an anchor assembly and a compressor assembly. In another embodiment, a separate compressor base assembly is included. In yet another embodiment an access port assembly is included. The anchor assembly is rotationally coupled to one end of the compressor assembly, such that the compressor assembly may rotate about the anchor assembly within a semi-spherical zone (three degrees of rotational freedom) and translate axially (one degree of translational freedom). In an operative position, the anchor assembly is anchored in an intermediate phalanx of a digit of a patient, the compressor assembly is contained in a distal phalanx of the digit, and the distal phalanx is flexed relative to the intermediate phalanx to create a joint angle. The joint angle is then fixated for fusion by compressing the phalanges together in the flexed position by counter-rotation of the compressor assembly. An advantage of an embodiment of the invention is the screw threads may be matching which eliminates the need to pre-drill two different diameter pilot holes. | 03-03-2011 |
20110066190 | Humeral Head Fixation Device for Osteoporotic Bone - A device includes an elongated body configured to be coupled to a bone stabilization implant so that, when the bone stabilization implant is mounted to a target bone, the body extends away from the bone stabilization implant at an angle selected so that the elongated body passes into a target portion of bone. The body defines a lumen therein extending to an opening in a distal end of the body. The device also includes a deploying member housed within the lumen of body for movement between a first position and a second position. In addition, the device includes a plurality of wires coupled to the deploying member so that movement of the deploying member through the lumen moves the wires between an insertion position and a deployed position in which the distal ends of the wires penetrate a portion of bone adjacent to the distal end of the body. | 03-17-2011 |
20110071576 | Bone Bolt Assembly for Attaching Supporting Implants to Bones, for Holding Multiple Bones in Relative Positions, and for Holding Together Fractured Bone Fragments - A bone bolt assembly is designed for attaching supporting implants between adjacent bones, for holding adjacent bones relative to each other, and for holding together fractured bone fragments. The functions performed by the bone bolt assembly are achieved without the use of bone screws that are implanted into the bone. | 03-24-2011 |
20110118792 | Method and device for insertion of orthopedic fixation pin with blind hole - A fixation device is disclosed including an elongate body extending from a distal end to a proximal end. The distal end defines a blind hole having a diameter and extending to a depth from a distal tip. The diameter of the blind hole is sufficient to receive a k-wire therein. | 05-19-2011 |
20110160777 | SYSTEM AND METHODS OF MAINTAINING SPACE FOR AUGMENTATION OF THE ALVEOLAR RIDGE - An implantable screw for maintaining space during bone grafting procedures is provided, where the screw has a highly-polished contoured head having a region adapted to support soft tissue, a threaded shaft and a tip adapted to penetrate bone tissue. Also provided, a device combining multiple implantable screws in series in order to increase the available space to grow new bone and a method for implanting the implantable screw. The implantable screws provided may be used in conjunction with bone graft materials and are removable once a desired amount of new bone is generated. | 06-30-2011 |
20110178557 | METHODS AND DEVICES FOR TREATING HALLUX VALGUS - The various embodiments disclosed herein relate to implantable devices for the treatment of structural bone and joint deformity, including hallux valgus. More specifically, the various embodiments include systems, devices, and methods for implantation of a flexible or tension band for treating such deformity. | 07-21-2011 |
20110190829 | Joint Arthrodesis and Arthroplasty - An implantable fixation system for fusing a joint between a first bone and a second bone. The system may include an anchor, standoff, bolt, and cortical washer. The system may be implanted across the joint along a single trajectory, the length of the system adjustable to provide compressive force between the anchor and the cortical washer. The system may be implanted across a tibiotalar joint with the anchor positioned in the sinus tarsi. A spacing member may be inserted between the two bones and the fixation system implanted to extend through an opening in the spacing member. The spacing member may be anatomically shaped and/or provide deformity correction. An ankle arthroplasty system may include a tibial plate, a talar plate, and a bearing insert. The plates may be anchored to the tibia and talus along a single trajectory. The ankle arthroplasty system may be revisable to a fusion system. | 08-04-2011 |
20110257689 | BONE SCREW - The invention relates to a bone screw having a screw shaft ( | 10-20-2011 |
20110282395 | COMPOSITE MATERIAL BONE IMPLANT - A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire. | 11-17-2011 |
20110288597 | Radiolucent Screwdriver for Orthopedic Surgery - A method of performing a surgical procedure includes providing an implant inserter comprising radiolucent materials; engaging a surgical implant with the radiolucent implant inserter; inserting the surgical implant in a body with the radiolucent implant inserter; and taking X-ray photography of the surgical implant with the radiolucent implant inserter operatively connected thereto, wherein the radiolucent implant inserter is at least partially within the body during the taking of the X-ray photography. The implant inserter may comprise a body portion comprising the radiolucent materials; and a tip portion operatively connected to the tip portion. The tip portion may comprise radiolucent materials. The tip portion may comprise steel. The radiolucent materials may comprise any of plastic carbon fibers, and thin aluminum. The implant inserter may comprise a torque capacity of at least 6 Nm. The implant inserter may comprise a screwdriver. The method may further comprise disposing the implant inserter after use. | 11-24-2011 |
20110313469 | BONE SCREW SYSTEM - A set of screws sized and configured for fixing a Jones fracture in a fifth metatarsal bone of a patient by preserving a bone thread path. Each screw has a low profile head on a trailing end, a thread portion on a leading portion, and a smooth shank portion between the head portion and the thread portion. A first screw has a thread major diameter of between about 4.4-4.6 mm, a second screw a thread major diameter of between about 5.4-5.6 mm, and a third screw a thread major diameter of between about 6.4-6.6 mm. The thread portion of all the screws in the set has a set of identical thread profile characteristics comprising a pitch, a leading edge angle, a trailing edge angle, a leading edge radius, a trailing edge radius, and a land. Each screw size is provided in various preferred lengths. | 12-22-2011 |
20110319944 | Submuscular Facial Fixation (Myo-Osseous Fixation) Using Microincision Microscrew Device, Injectable Glues and Adhesives, and Method and Device for Therapy of Migraine and Related Headaches - Procedures for altering the surface of the human face or other body parts by tethering muscle origins, extending muscular attachments and origins, and tethering muscles by causing adhesions of facial muscles which are not naturally present using specific methods materials and devices, and procedures for treating headaches by implanting a device through a micro incision in skin is are described. A microincision microscrew device and methods of using the device in surgical procedures is described. The use of a puncture based injection of bioadhesive into a described functional fibrofatty plane on the undersurface and throughout the muscle proper without use of incisional surgery is also described. Osseous bolting and osseous screws fixating soft tissue elevation via deep muscle tethering to facial bone is shown causing suspension of upper, mid, and lower facial soft tissue structures in a method that is adaptable to other body regions. Additionally, the combined use of screws with bioadhesives and single use of injectable bioadhesives are described. | 12-29-2011 |
20120035666 | Reduced Bone Fracture Fixation Device - Reduced bone fracture fixation devices and methods for using the same are provided. Aspects of the reduced bone fracture fixation devices include a body dimensioned to be positioned in a reduced bone fracture, wherein the body includes at least one tension element configured to exert a force on bone of the reduced bone fracture sufficient to maintain reduction of the reduced bone fracture. Aspects of the invention further include kits and methods of using and manufacturing the bone fracture fixation devices. The devices, kits and methods of the invention find use in a variety of applications, such as in applications in which it is desired to repair a reduced bone fracture. | 02-09-2012 |
20120046697 | Anchoring element and method - An anchoring element for use in bone has an apical end and a distal end. The apical end may be embedded in bone while the distal end may be left exposed. An abutment surface is disposed toward the distal end. The anchoring element may include first, second, third and fourth surfaces that define the apical end. The fourth surface may be disposed between an apical end and a distal end of the first surface, may joined to the third surface along an outer circumference of the fourth surface and may be employed to shave, cut or route an upstanding core remaining in the bone. | 02-23-2012 |
20120089193 | Fracture Fixation Device - Assemblies for securing fractured bone are provided. The assembly includes a first fixation element, a second fixation element, and an adjustable flexible member construct. The first fixation element having a male or a female sleeve is secured within a first portion of the fractured bone. The second fixation element having the other of the male or female sleeve telescopically received within the one of the male or female sleeve is secured within a second portion of the fractured bone. The adjustable flexible member construct extends between the first and second fixation elements and has at least one adjustable loop coupled to the first fixation element and the second fixation element and a pair of adjusting ends extending through an opening in the first fixation element. The pair of adjusting ends can be pulled to reduce a diameter of the adjustable loop and to compress fragments of the fractured bone. | 04-12-2012 |
20120089194 | POLYAXIAL BONE ANCHORS WITH INCREASED ANGULATION - A polyaxial bone anchor has a locking element shaped and configured to allow an anchoring member (e.g., a screw or hook) to polyaxially rotate at large angles about a central axis of the bone anchor before compression locking the anchoring member within an anchor head. | 04-12-2012 |
20120109217 | ANTERIOR-TO-POSTERIOR TALUS-CALCANEUS SCREW INSERTION FOR ANKLE ARTHRODESIS NAIL - Methods for anterior-to-posterior talus-calcaneus screw insertion through an ankle arthrodesis nail according to embodiments of the present invention include coupling a first jig to the nail, aligning a drill bit with a first aperture of the nail by inserting it through a second aperture in the first jig, drilling a first hole through a tibia aligned with the first aperture, fixing the nail to the tibia with a screw through the first hole into the first aperture, coupling a second jig to the first jig, aligning the drill bit with a third aperture in the nail by inserting the drill bit through a fourth aperture in the second jig, drilling a second hole through a talus and a calcaneus aligned with the third aperture; and fixing the nail to the talus and calcaneus by inserting a screw through the second hole into the third aperture in an anterior-to-posterior direction. | 05-03-2012 |
20120130435 | COMPOSITIONS AND METHODS FOR ARTHRODETIC PROCEDURES - The present invention provides compositions and methods for facilitating fusion of bones in a joint. The present invention provides compositions and methods for promoting fusion of bones in arthrodetic procedures. In one embodiment, a method of performing an arthrodetic procedure comprises providing a composition comprising PDGF disposed in a biocompatible matrix and applying the composition to a site of desired bone fusion in a joint. | 05-24-2012 |
20120150237 | BONE SCREW - The invention relates to a surgical instrument comprising a bone screw ( | 06-14-2012 |
20120185001 | Bone Anchors Compatible for Use with Neural Integrity Monitoring Systems and Procedures - A bone anchor compatible for use with a neural integrity monitoring system. The bone anchor includes a bone engaging portion configured for anchoring to bone and has at least one insulated region coated with a bone growth promoting material and at least one conductive region contiguous with the insulated region and having reduced electrical resistance relative to the insulated region. | 07-19-2012 |
20120197309 | Bone Anchor Including an Elongate Post With Break-Off Features - A bone anchor having a bone engaging portion adapted for anchoring to bone, and an elongate post portion extending from the bone engaging portion and arranged along a longitudinal axis. The elongate post portion includes a proximal end region connected to the bone engaging portion, a break-off region extending axially from the proximal end region, and a guide region extending axially from the break-off region and configured for sliding engagement with an implant, and with the break-off region including a pre-defined fracture initiator zone to facilitate initiation of a fracture therealong upon application of a sufficient torsional force onto the break-off region and removal of a length of the elongate post portion distal of the fracture. | 08-02-2012 |
20120197310 | FIXED ANGLE DUAL PRONG PIN FIXATION SYSTEM - A bone fixation system and method are provided. The system includes a dual prong pin and a bone screw. The pin is especially configured and contoured to fixate fractures of the proximal phalanx, especially hyperextension fractures. Fracture of other long bones of the hand, foot or elsewhere may be managed with this bone fixation system. | 08-02-2012 |
20120226324 | Method for Minimally Invasive Treatment of Unstable Pelvic Ring Injuries with an Internal Anterior Fixator and Posterior Iliosacral Screws - The instant invention is a novel method for definitive pelvic stabilization. The method uses the already established principles of anterior external fixation combined with internal hardware placed in a minimally invasive fashion. Pedicle screws are affixed to the ilia and a rigid, bowed fixation rod is connected between the pedicle screws. Preferably the pedicle screws are attached to the supra-acetabular area of each of the ilium of the pelvis and the fixation rod is bowed anteriorly away from the pelvis. | 09-06-2012 |
20120239095 | DRIVER DEVICE WITH ANTI-ROTATION FEATURE - Disclosed is an axial and rotational stopping device for use when creating threads in a predrilled pilot hole or inserting an allograft bony void filler or synthetic implant into a threaded hole. The device can also provide consistent depth control for drilling a pilot hole, tapping the hole to create threads, and implanting an allograft bony void filler or synthetic implant while preventing damage to the threads in the tapped hole that would be caused by continuing to rotate a tap once the depth stop has been reached and the tap can no longer advance in the axial direction, as well as preventing damage to the threads in the tapped hole, the threads on the mating allograft bony void filler or synthetic implant, and the drive features on either the driver instrument or the allograft bony void filler or synthetic implant. | 09-20-2012 |
20120259372 | ORTHOPEDIC SCREW INSERT - An insert for receiving a bone screw includes an elongate sleeve having opposed proximal and distal ends and a wall defined by an outer peripheral surface configured for engaging bone and an inner peripheral surface configured for receiving a bone screw extended therethrough. At least one elongate slot is formed in the wall of the sleeve for promoting flexure of the insert. A tool for affixing an orthopedic screw insert within bone tissue includes a socket portion configured and adapted to engage a proximal section of an outer peripheral surface of an orthopedic screw insert. A driver extends distally from the socket portion. The driver is configured and adapted to engage a section of an inner peripheral surface of the orthopedic screw insert distal from the socket portion. | 10-11-2012 |
20120283785 | HEADLESS COMPRESSION SCREW WITH INTEGRATED REDUCTION-COMPRESSION INSTRUMENT - A bone screw is provided having first and second threaded portions of different diameter separated by a middle portion that is unthreaded so that the bone screw may be inserted into a pair of adjacent bone fragments and used to compress the fragments together by driving the screw into a hole drilled in the fragments. An installation tool is also disclosed for threadably engaging one end of the bone screw and is used to initially drive the screw into the bone hole. Thereafter, a screwdriver may be inserted through the tool and into engagement with a recess in the bone screw and may be used to drive the screw fully into the bone and to separate the bone screw from the installation tool. A method of installation is further provided. | 11-08-2012 |
20120303070 | Polyaxial bone anchor assembly with one-piece closure, pressure insert and plastic elongate member - A medical implant assembly includes a polyaxial bone anchor having a shank, a receiver, a lower compression insert with planar surfaces for closely receiving an elongate connecting member with planar surfaces and a one-piece closure structure. The connecting member is made from a polymer. The closure structure engages both the connecting member and the insert with the engagement between the closure structure and the insert securely locking the polyaxial mechanism even if the connecting member exhibits creep. | 11-29-2012 |
20130018427 | Screw Implants For Bone FusionAANM Pham; KhiemAACI ChalfontAAST PAAACO USAAGP Pham; Khiem Chalfont PA USAANM Barnum; MichaelAACI St AlbansAAST VTAACO USAAGP Barnum; Michael St Albans VT US - Systems, apparatuses and methods for bone fusion are disclosed. In particular, a fixation screw assembly is provided that comprises a bone engagement portion including a shaft and a head member. The assembly also includes a flexible washer member that can be operably attached and secured around the head member of the bone engagement portion. The washer member is polyaxial relative to the bone engagement portion, such that it can assume a variety of angles. The washer member can help prevent back out of the bone engagement portion when the bone engagement portion is implanted into a bone member. The design of the fixation screw assembly can be used in different fusion procedures, including fusion of the sacroiliac joint. | 01-17-2013 |
20130030473 | LONGITUDINAL IMPLANT - The longitudinal implant is fastened to bones on either side of a damaged area through a connecting device. Said implant is comprised of a filament or fiber composite material and said connecting device is made of a material harder than said longitudinal implant. The longitudinal implant is preferably made of a carbon filament composite material, wherein the filament are encapsulated in a polymer matrix. | 01-31-2013 |
20130072990 | REVERSE THREAD BONE SCREW - A left-handed bone screw for use in orthopedic spinal surgical procedures. The left-handed bone screw reverses the pitch angle of a conventional right-handed bone screw. In reversing the thread, the present invention permits the left-handed screw to reuse a previously tapped cortical and cancellous bone hole. | 03-21-2013 |
20130150903 | DEVICES AND METHODS FOR BONE FIXATION USING AXIAL IMPLANTS - The invention comprises a method for fixating bones in the foot by aligning the bones in their desired position, inserting a screw in the aligned bones, inserting at least one transverse element near the head or tip of the screw, and tightening the screw to compress the bones. The screw comprises a shaft having first and second ends with spirally wound screw threads beginning near the first end and extending along the shaft. Advantageously, the screw is cannulated and screw threads are formed on an interior surface of the cannulation. Illustratively, the transverse elements may be staples, open-ended washers, or open-ended nuts. Reduction instruments and drill guides used in the invention are also disclosed. | 06-13-2013 |
20130172946 | IMPLANT MODULE AND METHOD FOR REPAIRING AVULSION FRACTURE - An implant module for dragging a bone fragment toward a bone is provided. The bone fragment has a first through hole, and the bone has a second through hole. The implant module includes a screw and a stud. The screw has a first section fixed to the bone fragment and a second section provided with a first external thread on its outer surface. The stud is provided with a second external thread on its outer surface for being screwed into the second through hole of the bone. An end of the stud has a screw hole for being screwed with the second section of the screw via the first external thread. A method of repairing avulsion fracture by using the implant module is further provided. | 07-04-2013 |
20130184768 | COMPACT ORTHOPEDIC ANTI-ROTATION DEVICE - Embodiments of the present invention relate to systems, methods, and apparatus for immobilizing and/or securing bone portions. Particularly, at least one embodiment involves a compact anti-rotation device that can secure adjacent bones and/or bone portions in a manner that prevents or limits relative rotational movement thereof. | 07-18-2013 |
20130261676 | BONE ANCHOR - A biocompatible implantable bone anchor is provided that has a threaded first portion that engages and anchors into a bone. The implant also has a neck region extending from the first portion adapted to promote autologous cell growth thereon at an interface of the bone and one or more epidermal or gum layers, the neck region having a plurality of channels extending about the neck region. The neck region is configured to mechanically engage at least one of an abutment, dental restoration, or osseous device attachment. An in situ bone anchor cell growth assembly includes the bone anchor and a manifold encompassing the neck portion so as to form a seal therebetween and a route of fluid communication between a manifold inlet and at least one of said plurality of channels. A process for growing autologous cells on a neck region of a bone anchor is provided. | 10-03-2013 |
20130274814 | BONE JOINING APPARATUS AND METHOD - Provided is a bone joining device suitable for joining a first bone piece to a second bone piece. Also provided is a method of joining a first bone piece with a second bone piece in a living mammal. The method comprises inserting the above bone joining device between the first bone piece and the second bone piece. | 10-17-2013 |
20130289630 | CONICAL-SPHERICAL THREAD FORM FOR VARIABLE ANGLE LOCKING SYSTEMS - A variable angle locking screw comprising a head portion having helical threads, the head portion including a first section having a shape that is substantially spherical and a tapered second section having a shape that is substantially conical, and an elongated threaded shaft portion extending from the head portion. | 10-31-2013 |
20130304133 | CABLE ANCHOR SYSTEMS AND METHODS - The cable system includes a cable, cable anchors and/or cable crimps. The cable anchors and cable crimps have mounting holes that are used to secure the cable anchors and cable crimps to bones of patients with bone screws. Once the cable anchors and/or cable crimps are attached to the bone, the cable wrapped around the bone and placed through the cable anchors and cable crimps. The cable is tensioned and a locking mechanism is used to lock the cable crimp to the cable. The cable anchors and cable crimps prevent the cable from moving on the bone. | 11-14-2013 |
20130304134 | BIODEGRADABLE IMPLANT AND FABRICATION METHOD THEREOF - The present invention can suitably be used even in a site where hydrogen gas is metabolized slowly, such as the osseous tissue. Provided is a biodegradable implant including a biodegradable magnesium member formed of a magnesium alloy and coating layers that coat the biodegradable magnesium member, thereby reducing the degradation rate thereof in a living organism, wherein a depression to be infiltrated by an osteoblast is formed in a surface of the biodegradable magnesium member. | 11-14-2013 |
20130331893 | POROUS STRUCTURE AND A POROUS ASSEMBLY RESULTED THEREFROM FOR IMPLANTS - A porous structure and a porous assembly resulted therefrom for implants allow a tissue to go through and attach for ingrowth, thereby achieving an ideal fixing effect. At least one porous structure is provided with a plurality of geometric-contoured apertures defined by walls. At least one channel is disposed on the apertures or the walls along a reference axis so that the adjoining apertures are intercommunicated, and the porous structures are connected and/or stacked with each other to contribute a porous assembly. | 12-12-2013 |
20140188179 | PERCUTANEOUS FLARING HAMMERTOE FIXATION IMPLANT AND INSTRUMENT - A method and device to correct hammertoes. The device includes a bone implant having a screw with a threaded end or a pin and a sleeve adaptable to accept the screw or mate with the pin. The sleeve includes an external surface having threads on a distal end of the sleeve and an expanding feature along a proximate portion of the sleeve. When the implant is implanted into a joint through a percutaneous incision and the screw is rotated about its longitudinal axis when mated with the threaded portion of the sleeve, the expanding feature may be expanded compress the joint using the cancellous threads on a distal bone in the joint and the expanding feature on a proximate bone in the joint. In embodiments having pins, the pin is axially driven when locked in the sleeve by the locking mechanism thereby radially expanding the expanding feature to compress a joint using the cancellous threads on a distal bone in the joint and the expanding feature on a proximate bone in the joint. | 07-03-2014 |
20140214095 | SYSTEMS AND DEVICES FOR THE REDUCTION AND ASSOCIATION OF BONES - In accordance with the disclosed subject matter, a medical device is provided which comprises a body having a first end and a second end, a first engaging member positioned adjacent the first end of the body and adapted to operatively engage a bone, and a second engaging member positioned adjacent the first end of the body and adapted to operatively engage the bone, wherein the position of at least one engaging member is adjustable with respect to the body. | 07-31-2014 |
20140222087 | ORTHOPEDIC IMPLANT HAVING NON-CIRCULAR CROSS SECTION AND METHOD OF USE THEREOF - Orthopedic implants capable of compressing adjacent bone segments into which they are inserted, effective for the fusion, management and repair of bone joints and bone fractures, and methods for their installation, are described. One embodiment of such implants includes an elongated shaft coated to encourage bony in-growth, having a non-round cross section, and a flange at one end, which is laterally inserted into a preformed insertion path formed in adjacent bone segments traversing a joint or fracture location, to the point where further insertion is blocked by the flange intersecting one of the bone segments. The other end of the shaft may have a portion of male thread protruding out of the insertion path in the second of the bone fragments and adapted to be mated to a fastener having female thread. When the fastener is tightened against the outside of the second bone segment, perhaps using a washer, the joint or fracture is compressed and stabilized resulting in an effective fusion of the joint or fracture when the bone secures itself in the insertion path to the shaft's bony in-growth surfaces on both sides of the joint or fracture line. | 08-07-2014 |
20140222088 | Implant and Fastener Fixation Devices and Delivery Instrumentation - Described here are delivery or fastener device fixation implant devices, delivery instrumentation, and methods for using them. In particular, the description relates to implants having a having a strength sufficient to support, anchor, secure, maintain, or to otherwise repair an elongated delivery or fastener device anywhere such a device, such as, for example, a bone screw, may need further securing within a substrate it is inserted into, such as, for example, within human or animal tissue, such as bone tissue. | 08-07-2014 |
20140243910 | BONE JOINING APPARATUS AND METHOD - Provided is a bone joining device suitable for joining a first bone piece to a second bone piece. Also provided is a method of joining a first bone piece with a second bone piece in a living mammal. The method comprises inserting the above bone joining device between the first bone piece and the second bone piece. | 08-28-2014 |
20140249588 | BONE FIXATION SYSTEM - A bone fixation system includes a compression bone screw and a washer for use with the bone screw in the reduction and fixation of bone fragments. The washer includes a frusto-conical body having a leading end, a trailing end, an exterior surface, an interior surface, and a central bore defined by the interior surface for receiving the bone screw. The interior surface is tapered resulting in the central bore's diameter being larger at the trailing end than at the leading end and the exterior surface has a greater taper angle than the taper angle of the interior surface. | 09-04-2014 |
20140257408 | SURGICAL IMPLANT SYSTEM AND METHOD - A surgical instrument includes a first member defining a longitudinal axis and including a drive interface engageable with a first surface of a bone fastener. The first surface is configured for penetrating a sacrum. A second member includes a drive interface engageable with a second surface of the bone fastener to translate the second surface relative to the first surface such that the second surface engages an outer non-articular surface of an ilium to draw separated articular surfaces of the sacrum and the ilium into fixation. In some embodiments, systems and methods are disclosed. Systems and methods are disclosed. | 09-11-2014 |
20140277186 | DRILL/DRIVER HYBRID INSTRUMENT FOR INTERPHALANGEAL FUSION - Surgical techniques, instruments and systems for bone fusions and repairs (for example, phalangeal fusion) which allow alignment of small bones (for example, phalanges) without the use of guidewire and cannulated instrumentation such as, for example, drills and drivers, and cannulated screws. A drill/driver hybrid instrument (a combined drill/driver device) may be used in fusion of two small bones (for example, in interphalangeal fusion). One end of the hybrid instrument is provided with a plurality of flutes so that the instrument can be used as a drill to remove bone. The other end is shaped to mate with a device to be inserted intraarticularly (for example, interphalangeally), acting as a driver for that device. | 09-18-2014 |
20150045838 | DEVICE AND METHOD FOR PREPARING A RECESS IN A BONE - A punching device for preparing a recess in a bone has a punching tool usable for such a punching device. An implant usable with the punching tool is provided and a method for preparing a recess in a bone are disclosed. The punching device comprises an ultrasonic sonotrode and a punching tool which is fixable to the sonotrode at its proximal extremity. At its distal extremity, the punching tool has a thin-walled portion having a non-rotational symmetric cross-section. By ultrasonic vibration of the punching tool, the thin-walled portion can be forced into a bone thereby preparing a recess of which is not rotationally symmetric. Subsequently, an implant can be held in such recess. Due to its lack of rotational symmetry, the implant may absorb rotational forces around its longitudinal axis. | 02-12-2015 |
20150142066 | TWO-WIRE TECHNIQUE FOR INSTALLING HAMMERTOE IMPLANT - A method includes inserting a first surgical device into an exposed first end of a first bone until a trailing end of the first surgical device is disposed adjacent to the first end of the first bone. A second surgical device is inserted into an exposed first end of a second bone while the first surgical device remains disposed within the first bone. A first portion of an implant is advanced into the second bone while being engaged with a passageway defined by the implant such that the implant is guided by the second surgical device. The second surgical device is removed from the second bone and from its engagement with the implant. The first bone is repositioned such that the first surgical device is aligned with the passageway defined by the implant, and the first bone is forced into engagement with a second portion of the implant. | 05-21-2015 |
20150305789 | BONE JOINING APPARATUS AND METHOD - Provided is a bone joining device suitable for joining a first bone piece to a second bone piece. Also provided is a method of joining a first bone piece with a second bone piece in a living mammal. The method comprises inserting the above bone joining device between the first bone piece and the second bone piece. | 10-29-2015 |
20160000490 | ANCHORING SYSTEMS AND METHODS FOR SURGERY - A surgical ring and related methods for plantar plate reconstruction and other surgical procedures are described. In particular, the described anchoring systems and surgical methods may include an anchor configured to wrap at least partially around a first bone associated with an affected joint, and wrap at least partially around a tissue alongside the first bone. The anchor may be compressed in a number of ways so as to compress the tissue alongside the first bone against the first bone. The anchor may be formed from a compressible material, configured with an open shape, and/or or include mechanically closeable or compressible features, and the like. The anchor may be formed from various materials including non-bioabsorbable, bioabsorbable, and/or superelastic materials. The first bone may be a metatarsal or phalanx and the tissue alongside the first bone may be a ligament, a plantar plate, or similar tissue. | 01-07-2016 |
20160015483 | OSSEOINTEGRATIVE SURGICAL IMPLANT - Embodiments of the present invention provide an osseointegrative implant and related tools, components and fabrication techniques for surgical bone fixation and dental restoration purposes. In one embodiment an all-ceramic single-stage threaded or press-fit implant is provided having finely detailed surface features formed by ceramic injection molding and/or spark plasma sintering of a powder compact or green body comprising finely powdered zirconia. In another embodiment a two-stage threaded implant is provided having an exterior shell or body formed substantially entirely of ceramic and/or CNT-reinforced ceramic composite material. The implant may include one or more frictionally anisotropic bone-engaging surfaces. In another embodiment a densely sintered ceramic implant is provided wherein, prior to sintering, the porous debound green body is exposed to ions and/or particles of silver, gold, titanium, zirconia, YSZ, α-tricalcium phosphate, hydroxyapatite, carbon, carbon nanotubes, and/or other particles which remain lodged in the implant surface after sintering. Optionally, at least the supragingival portions of an all-ceramic implant are configured to have high translucence in the visible light range. Optionally, at least the bone-engaging portions of an all-ceramic implant are coated with a fused layer of titanium oxide. | 01-21-2016 |
20160157908 | BONE SCREW INCORPORATING A POROUS SURFACE FORMED BY AN ADDITIVE MANUFACTURING PROCESS - The present invention provides a bone screw or bone anchor, such as a threaded pedicle screw or the like, incorporating a porous surface for enhancing bony fixation, ingrowth, and purchase when implanted in bone. Preferably, this porous surface covers at least a portion of the threads of the bone screw or bone anchor. The porous surface is formed by a conventional or novel additive manufacturing process, such as three-dimensional (3D) printing or the like, optionally as well as a prior and/or subsequent machining process. The porous surface may include novel needle-like protrusions and/or lattice structures, and/or any other protruding/depressed features, whether regular or irregular. | 06-09-2016 |
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20190142487 | METHOD AND DEVICE FOR INSERTION OF ORTHOPEDIC FIXATION PIN WITH BLIND HOLE | 05-16-2019 |