Entries |
Document | Title | Date |
20080200918 | PEDICLE SCREW DRIVER - A surgical driver includes an elongated drive shaft engageable with a surgical bone anchor in torque transmitting relationship, a locking sleeve, and a sleeve locking member. The locking sleeve is mounted to the drive shaft and is engageable with the head of surgical bone anchor. The sleeve locking member is mounted for relative motion between a first position in which it is simultaneously engaged with both the drive shaft and the locking sleeve in rotationally fixed relationship and a second position in which it is disengaged from the rotationally fixed relationship with at least one of the drive shaft and locking sleeve. | 08-21-2008 |
20080215060 | FASTENER INSERTION METHOD - A method may include rotating a threaded fastener at a first rotational speed to provide a kinetic energy force component for the fastener based on the first rotational speed and driving the fastener into a structure based on the rotating. The structure may provide a torsional resistance during the driving greater than a torsional strength of the fastener. The driving may provide a torque force component applied to the fastener. The driving may cut threads into the structure with the fastener. The driving may apply a total force to the structure from the fastener including the kinetic energy force component and the torque force component. The total force applied by the fastener may be greater than or equal to a force required for the cutting. The torque force component may be less than a torsional strength of the fastener. | 09-04-2008 |
20080215061 | Screwdriver for bone screws - In a screwdriver for bone screws, having a handle and rotationally fixedly held thereon a shaft, the free end of which has a non-circular cross section and is insertable in a positively locked manner in a non-circular receiving opening in the head of a bone screw, at least one expander element being mounted so as to be displaceable in the longitudinal direction in the shaft and so as to slide, when displaced in the longitudinal direction, along a slide surface in the area of the free end of the shaft in such a way that it projects laterally over the contour of the shaft, in order to simplify the actuation of the at least one expander element, it is proposed that the at least one expander element be pretensioned by an elastic spring element in the direction towards the free end of the shaft and be retractable against the action of the spring element in the shaft until it no longer projects laterally over the contour of the shaft. | 09-04-2008 |
20080221583 | Polyaxial screwdriver for a pedicle screw system - A polyaxial screwdriver for inserting a bone screw in a vertebra. A polyaxial bone screw assembly includes a coupling element. When a screw engaging end of the polyaxial screwdriver is lowered on the head of the bone screw, the complimentary surfaces of the screw engaging end of the screwdriver and the head of the screw self-align. A ratchet mechanism formed in the screwdriver provides progressive and automatic locking of the polyaxial screwdriver to the coupling element and prevents the accidental unthreading from the coupling element. In another embodiment of the polyaxial screwdriver, a collet slides over the outside surface of the upper end of the coupling element and locks on to the coupling element. In yet another embodiment of a polyaxial screwdriver, the outer sleeve of the polyaxial screwdriver has a split end that securely engages the coupling element. | 09-11-2008 |
20080234692 | Orthopedic jig, pin, and method - An orthopedic jig and pins therefore are disclosed that allow the pins to be pre-loaded into apertures through the jig before the jig is positioned at a desired location with respect to a bone during an orthopedic surgical procedure. At least one of the pin and/or jig includes a retention mechanism whereby the pin can be inserted into the bore and releasably restrained therein until the jig is place in the selected position and the pins driven into the bone. | 09-25-2008 |
20080243133 | Surgical Driver - Apparatus, methods, systems, and kits related to surgical procedures and instruments are disclosed. In one aspect, a method for securing a fixation device to a driver for use in a surgical procedure is disclosed. The method comprises engaging a first portion of the driver with the fixation device to limit rotational movement of the fixation device relative to the driver; and engaging a second portion of the driver with the fixation device to limit axial movement of the fixation device relative to the driver; wherein engaging the second portion of the driver with the fixation device comprises actuating an actuator of the driver to cause the second portion of the driver to move relative to the first portion of the driver. In other aspects, surgical drivers, surgical kits, and surgical procedures are disclosed. | 10-02-2008 |
20080243134 | BIDIRECTIONALLY RATCHETING SURGICAL INSTRUMENT - A tool for driving a workpiece during surgical procedures has a handle. A gear with teeth thereon is rotatably supported along an axis within the handle. Two pawls are pivotally supported by the handle adjacent the gear and are orbital about the axis upon rotation of the handle. Each pawl has teeth that engage the gear teeth to transmit torque from the handle to the workpiece. Two springs yieldingly urge the pawls into engagement the gear teeth. A cap, with an actuator thereon, is rotatable with respect to handle. The cap has a first position in which the actuator retracts the first pawl out of engagement with the gear teeth, a second position in which the actuator retracts the second pawl out of engagement with the gear teeth, and a third position in which neither the first pawl nor the second pawl is retracted by the actuator. | 10-02-2008 |
20080243135 | Driver-Fixator System, Method, and Apparatus - The invention may be characterized as a method, apparatus and bone-fixation system. The system includes a plurality of drivers, each of the drivers including a handle coupled to a shaft, the shaft including a distal tip opposite the handle that is configured to couple with a head of a surgical fixation element, each of the drivers including indicia of a particular length and a particular diameter; and a plurality of surgical fixation elements, each of the plurality of surgical fixation elements being detachably coupled to the distal tip of a corresponding one of the drivers that has indicia of the length and diameter of the fixation element coupled to the driver. | 10-02-2008 |
20080243136 | Screwdriver for bone screws - A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screw-driving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover. | 10-02-2008 |
20080255576 | Multiple implant dispensing driver - Instruments and methods are provided for delivering multiple implants to multiple implant locations in a patient without requiring a second implant to be loaded onto or engaged to the delivery instrument after delivery of a first implant. The implants can be sequentially engaged using the delivery instrument to the patient or to receptacles of one or more receiving members secured to the patient. | 10-16-2008 |
20080269768 | Bone screw holding device - A screw holding device has a screw engaging part and a fixation sleeve. The screw for use with the screw holding device has a head and a shaft. The head of the bone screw has a recess and a notch. The screw engaging part has two halves with a hook formed on each half. The hook is shaped to fit in the notch. A fixation sleeve slides over the screw engaging part. When the fixation sleeve is pulled in proximal direction, the two halves of the screw engaging part are able to flex easily towards each other and thereby are insertable in the recess. When the fixation sleeve is moved towards the distal end of the screw engaging part, the two halves of the screw engaging part are prevented from flexing towards each other and thereby rigidly lock the screw and the screw engaging part together. | 10-30-2008 |
20080275459 | Surgical instrument attachment mechanism - An instrument attachment mechanism is disclosed that is operable to be temporarily, but securely, connected with a surgical device. The attachment mechanism includes a body that has a drive member protruding outwardly from a portion of the body. The drive member includes a plurality of side walls and a passageway running from a bottom surface of the drive member to a predetermined depth in the drive member. At least one slot is located in a respective one of the plurality of side walls that extends through the side wall into the passageway. A biasing member is positioned within the passageway such that a select portion of the biasing member protrudes outwardly from the slot. A surgical device, such as a surgical instrument or implant, may be temporarily connected with the drive member such that the select portions of the biasing member apply force to an inner wall of a drive receiving member of the surgical device. | 11-06-2008 |
20080281332 | SURGICAL SCREWDRIVER - A surgical screwdriver is disclosed and can include a motor, a microprocessor coupled to the motor, and a key sensor coupled to the microprocessor. The key sensor can be configured to sense a key tag. | 11-13-2008 |
20080294173 | RADIOLUCENT SCREWDRIVER FOR ORTHOPEDIC SURGERY - A surgical tool for inserting a surgical implant in a body and a method of performing a surgical procedure, wherein the tool is composed of materials consisting essentially of radiolucent materials. In one embodiment the radiolucent materials comprise plastic. In another embodiment the radiolucent materials comprise carbon fibers. In still another embodiment the radiolucent materials comprise thin aluminum. The tool has a torque capacity of at least 6 Nm. | 11-27-2008 |
20080319450 | Bone screw driver - A bone screw driver ( | 12-25-2008 |
20090005787 | DEVICE AND SYSTEM FOR IMPLANTING POLYAXIAL BONE FASTENERS - A device, is provided for implanting in bony tissue a bone fastener rotatably connected to a collar. The sleeve is configured for threaded connection to the collar and has a central bore aligned with the longitudinal axis of the sleeve for receiving an inner shaft. The inner shaft inserts in the sleeve and has a distal end configured for connection to a portion of the bone fastener, such as an internal hex feature. In some embodiments a movable member may be inserted in an opening transverse the central bore and positionable to either rotatably or fixedly connect the inner shaft to the sleeve. In other embodiments, a collet nut threads onto a collet thread to radially compress sleeve tangs to frictionally engage inner shaft to sleeve. | 01-01-2009 |
20090036897 | ANCHOR DRIVER WITH ASSURED SEATING - A surgical instrument for securing an anchor in a target area of the skull of a patient, wherein the anchor has a shaped surface, a top and a base. In one embodiment, the surgical instrument includes a driver having a first end, an opposite, second end, and a body portion defined therebetween forming a bore therein along a longitudinal axis, where the bore is configured to allow the anchor to be received therein, a first inner surface formed inside the bore proximate to the first end, wherein the first inner surface is formed with a shape that is complimentary to the shaped surface of the anchor, and a second inner surface formed inside the bore and between the first inner surface and the second end, wherein the second inner surface is formed with a shape that is different from that of the first inner surface. | 02-05-2009 |
20090048605 | Surgical lag tool devices and methods for use with surgical bone screw/plate systems - A lag tool device can include a driver, an outer sleeve, and a bushing. The device enables a fastener receiving member to be maintained against a bone surface while a fastener is inserted within an aperture of the fastener receiving member. The driver can rotate within the outer sleeve while threadingly mated to the bushing. The driver can advance the fastener within the aperture of the fastener receiving member while the outer sleeve can maintain the fastener receiving member against and in contact with the bone surface. Such a device can prevent the undesirable formation of a gap between the fastener receiving member and the bone surface. | 02-19-2009 |
20090048606 | GUIDE SYSTEM AND METHOD FOR THE FIXATION OF BONE FRACTURES - An improved guide system and method permits a user to insert a fixation device, such as a pin, screw, wire and/or the like, into a bone portion. A guide system may comprise a handle portion and a body portion, wherein the body portion comprises one or more channels configured to facilitate placement and insertion of a fixation device. | 02-19-2009 |
20090054903 | BONE FIXATION IMPLANT SYSTEM AND METHOD - A bone-fastening system includes an implant with a threaded screw, a distal nut with a threaded bore, and a proximal washer which may also be threaded. An instrument for implanting the implant includes a handle and a barrel terminating in a holder for the washer. A c-shaped bridge assembly has a first end connected to the barrel and a second end including a holder for the nut in axial alignment with the washer. A manually operated control on the instrument, coupled to an elongated element in the barrel, causes the washer to move toward the nut, thereby applying compressive pressure to bone portions to be fastened together. A drive mechanism disposed within the barrel has a distal end with a holder for the screw and a proximal end that is turned by a user, thereby advancing the screw through the washer to the nut to fasten the bone portions under compression. The manually operated control is preferably a trigger that is squeezed toward the handle by a user. A separate control, also preferably in the form of a trigger, is used to release pressure on the elongated element in the barrel, enabling the implant to be easily removed from the implant once in position. | 02-26-2009 |
20090082777 | Insertion Aid with Interference Fit - The present disclosure relates to an insertion device including a shaft with a head supported on a distal end thereof. The shaft includes a proximal end with an engagement member that is configured to frictionally engage a distal end of a surgical fastening apparatus such that an interference fit is created therebetween to facilitate selective detachment of the insertion device from the surgical fastening apparatus. The head has an atraumatic configuration, and is dimensioned to be received in a body orifice. | 03-26-2009 |
20090088770 | ANGLED SURGICAL DRIVERS AND METHODS OF USE - The present application is directed to a driver for use in surgical procedures. The driver includes a shaft with an elongated shape for accessing locations within a patient. The shaft includes a first section and a second section that may be positioned at various relative angles depending upon the context of use. A mount is positioned at an end of the shaft to receive a variety of tool bits. A drive mechanism extends through the shaft to provide rotation to the mount and engaged tools. The drive mechanism includes a first wheel in the first section of the shaft and a second wheel in the second section. The wheels include rounded nubs that mesh together to transfer the rotational torque from the first section to the second section when the sections are at the various relative angles. | 04-02-2009 |
20090105718 | SURGICAL INSTRUMENTS FOR USE WITH BREAK-OFF DEVICE AND AN ASSOICATED SURGICAL METHOD - A surgical instrument for use with a break-off device including a proximal portion removably attached to a distal portion by a region of reduced strength to allow selective removal of the proximal portion from the distal portion. The surgical instrument includes an inner drive shaft extending generally along a longitudinal axis and having a distal end portion engaged with the proximal portion of the break-off device, and an outer retention sleeve positioned about the drive shaft and including a distal receiver portion engaged about the proximal portion of the break-off device. A force applied to the proximal portion of the break-off device by the drive shaft causes the break-off device to fracture at the region of reduced strength to separate the proximal portion from the distal portion, with the proximal portion maintained in engagement with the surgical instrument by the retention sleeve. | 04-23-2009 |
20090149862 | Guide pin for pedicle screw placement and method for use of such guide pin in spinal fusion surgeries - A radiopaque guide pin that is insertable into a pedicle of a vertebra to be used as a guide to determine the proper and safe entry point and angular trajectory for a pedicle screw placed in a pedicle, has a distal part and terminal tip for initial entry of the guide pin, an opposite proximal part that serves as a handle, and a central part that includes a first radiopaque marker spaced proximally from the tip and a stop element spaced proximally from the first marker, the stop element having greater diameter than the distal and central parts of the guide pin and adapted to be stopped by the lamina surface from further advancement into the pedicle. The invention further includes a method for pedicle screw placement using the new pedicle screw guide pin. | 06-11-2009 |
20090187194 | One step entry pedicular preparation device and disc access system - A one step entry pedicular preparation device works well with Minimal Invasive Spine Surgery (MISS) to facilitating such approach. A related intervertebral disc access system and pedicle screw compatible with the systems is also illustrated. The systems include a manipulator having a bar handle and main body with main barrel bore a pedicle dart having a proximal tip end and a second distal open end selectably attachable to the manipulator using a variety of interconnect configurations, both of which work in conjunction with a guide pin. The pedicle darts can be made of any material, disposable or re-usable and can be utilized for a variety of purposes, including bone structure formation for faster conventional pedicle screw insertion with precision and vertebra fixation. | 07-23-2009 |
20090192517 | DYNAMOMETRIC TOOL FOR MEDICAL USE - A dynamometric tool for medical use with a longitudinal axis AA includes: a hollow grip ( | 07-30-2009 |
20090234365 | DYNAMOMETRIC TOOL FOR MEDICAL USE - A dynamometric tool for medical use includes: a hollow grip ( | 09-17-2009 |
20090248029 | INTERFERENCE SCREW DRIVER ASSEMBLY AND METHOD OF USE - Embodiments of the present invention provide a cannulated screw driver assembly which includes a rigid guide pin such that the assembly can be used to assist the surgeon in inserting and positioning the rigid guide pin and an interference screw within a bone graft tunnel. Once the screw is properly placed, screw driver assembly components to include the rigid guide pin, the driver and the handle can be removed while the screw remains in the tunnel to secure the graft. In one embodiment, the interference screw can be removed from the distal end of the driver and the driver and handle can be removed from the screw's proximal end. Embodiments of the inventions also include an interchangeable driver to mate with different size and types of interference screws. | 10-01-2009 |
20090248030 | Self-Contained Assembly For Installation of Orthopedic Implant Components Onto an Orthopedic Implant - A self-contained orthopedic implant component assembly provides for concerted or concerted and independent installation of orthopedic components onto an orthopedic implant. The assembly includes a first orthopedic component formation for installation of a first orthopedic component thereof onto the orthopedic implant and a second orthopedic component formation for installation of a second orthopedic component thereof onto the orthopedic implant. The second orthopedic implant formation is carried by the first orthopedic implant formation such that installation of the first orthopedic implant formation into the orthopedic implant at least partially installs the second orthopedic implant formation into the orthopedic implant. One or both of the first and second orthopedic component formations includes a component driver for receipt of installation torque whereby application of rotational torque installs the orthopedic component(s) onto the orthopedic implant. A component driver is detachable from its formation during or after installation of the corresponding orthopedic component depending on form of the self-contained orthopedic implant component assembly. | 10-01-2009 |
20090264895 | SYSTEMS AND METHODS FOR IMPLANTING A BONE FASTENER AND DELIVERING A BONE FILLING MATERIAL - A driver for fastening a bone fastener to a bone, the driver comprises an elongated outer member including a first bore extending therethrough along a longitudinal axis and a coupling element that is releasably coupled with the bone fastener. The driver further comprises an elongated material conduit extending at least partially within the first bore. The material conduit including a second bore extending therethrough. The driver further comprises a driving body with a driver head shaped to releasably engage the bone fastener. The driving body includes a distal opening in communication with the second bore to allow the passage of a filling composition through the second bore and through the distal opening. | 10-22-2009 |
20090264896 | INSTRUMENT FOR ASSEMBLING A BONE ANCHORING DEVICE - An instrument for assembling a bone anchoring device includes a shank with a shaft section to be anchored in a bone and a engagement end, a head being separate from the shank and having a through bore, and a receiving part having a first end, a second end and a longitudinal bore extending from the first to the second end, the head being positionable within the bore at the second end. The instrument includes a holding portion arranged to hold a pin, which has a rod section with a length and a diameter suited to fit and extend at least through the bore of the head, and which has a free end portion extending from the rod section such as to project from the bore of the head when the pin is inserted, and configured to engage with the engagement end of the shank. | 10-22-2009 |
20090275954 | APPARATUS AND METHODS FOR INSERTING FACET SCREWS - An apparatus includes an insertion tool and a guide wire. The insertion tool has a proximal end portion and a distal end portion. The distal end portion of the insertion tool is configured to retain a bone fixation device. The proximal end portion of the insertion tool defines a threaded opening. The guide wire has a proximal end portion and a distal end portion. At least a portion of the guide wire is configured to be disposed within the insertion tool such that the distal end portion of the guide wire is disposed outside of and spaced apart from the distal end portion of the insertion tool. The proximal end portion of the guide wire includes a threaded portion configured to be disposed within and engage the threaded opening of the insertion tool. | 11-05-2009 |
20090287220 | PERCUTANEOUS SCREW EXTRACTOR - Apparatus and methods for percutaneous screw extraction from orthopedic plates are described. The screw extractor eliminates the need for relatively large incisions to expose an orthopedic plate for the replacement of failed screws in the plate. The present invention further provides a device to function with slightly modified screws that allows the screws to be removed quickly, easily, and safely, with no larger incisions than were used to install the plate. | 11-19-2009 |
20090292292 | GUIDE ASSEMBLY FOR INTRAMEDULLARY FIXATION AND METHOD OF USING THE SAME - An intramedullary fixation assembly usable with different long bone types and a guide assembly for guiding deployment of the intramedullary fixation assembly. The intramedullary fixation assembly includes a fixation member that has ends and a curved body extending between the ends. The curved body of the fixation member has a radius of curvature configured to extend through the medullary canal regardless of the long bone anatomy. Fasteners fix the fixation member to the bone fragments and are guided by a guide assembly. The guide assembly includes a guide body defining openings configured to guide the fasteners through openings defined in the fixation member and into the bone fragments. A fixation end of the guide body includes a pair of opposing, converging surfaces that are configured to engage in a positive fit with an exposed end of the fixation member accessible through the side aperture in the first fragment. | 11-26-2009 |
20090318932 | BONE SCREW REMOVAL SYSTEM - A bone screw removal system for a bone screw retaining system that includes an implant having a plate, which defines a plurality of transversely extending bores that are configured to receive a bone screw for engaging the plate to the cervical spine, and an elastically deformable spring member positioned therein a cavity of the plate such that portions of the spring member can extend into a portion of an upper region of each of the bores of a pair of opposing bores, the spring member being movable between a first relaxed, expanded position and a second, compressed position. The bone screw removal system having at least one tongue member that is configured to selectively act on the spring member of the bone screw retaining system. | 12-24-2009 |
20090326545 | Systems and methods for inserting a bone anchor without a pilot hole - Bone anchor insertion assemblies and methods are provided for inserting a bone anchor (e.g., bone screw) into bone without having to create a pilot hole. In some embodiments, the assembly includes a bone anchor, a housing member, and a rod. The housing member, which is coupled to the rod, is movable between proximally and distally advanced positions relative to the rod. In the proximal position, the bone anchor can be coupled to the rod. In the distal position, a tip of the bone anchor is generally aligned with a distal end of the housing member. The bone anchor is advanced into the bone under guidance of the housing member, where the tip of the bone anchor serves as a bone awl. Once the bone anchor is seated within the bone, the housing member can be returned to the proximal position to improve visibility of the surgical procedure. | 12-31-2009 |
20100016861 | METHOD AND APPARATUS FOR A TWO-WAY TORQUE LIMITED WRENCH - One embodiment of the present subject matter includes a system ( | 01-21-2010 |
20100030224 | SURGICAL TOOL AND METHOD FOR CONNECTING A DYNAMIC BONE ANCHOR AND DYNAMIC VERTICAL ROD - A surgical tool and method is provided for connecting a dynamic vertical rod to a dynamic bone anchor. The tool has an internal shaft and an external sleeve arranged coaxially. The shaft can be turned relative to the sleeve. The sleeve has a head which engages the ball of a dynamic vertical rod. The shaft has a head which engages the deflectable post of the dynamic bone anchor. The tool is designed to turn the ball relative to the post securing the ball to the post. Optionally the post has a breakaway portion and the tool provided sufficient torque to remove the breakaway portion and also includes a mechanism for securing and retrieving the breakaway portion. The connection tool is sized to fit through a cannula to the operative site to allow minimally invasive implantation of the dynamic bone anchor. | 02-04-2010 |
20100036384 | Surgical Trajectory Monitoring System and Related Methods - Systems and methods for determining a desired trajectory and/or monitoring the trajectory of surgical instruments and/or implants in any number of surgical procedures, such as (but not limited to) spinal surgery, including (but not limited to) ensuring proper placement of pedicle screws during pedicle fixation procedures and ensuring proper trajectory during the establishment of an operative corridor to a spinal target site. | 02-11-2010 |
20100049206 | INSERTION ASSEMBLY FOR MINIMALLY INVASIVE SPINAL SURGERY - A telescopic insertion assembly is configured to insert a pedicle screw into a vertebral body. The insertion assembly includes an attachment fixture having one end configured to mate with the pedicle screw and another end having a ridged portion. A center tube is provided having one end slidably attached to the attachment fixture and another end having an internally ridged portion. A telescoping member has one ridged end configured to slidably attach to the center tube and another end having a yoke. The telescoping member is configured to extend the yoke to different distances from the center tube. An alignment member is configured to hingeably attach to the yoke of the telescoping member. The alignment member is configured to rotate from a first position to a second position. The second position of the alignment member is above a top surface of a patient's skin. | 02-25-2010 |
20100076446 | Gravity Dependent Pedicle Screw Tap Hole Guide and Data Processing Device - A gravity dependent pedicle screw tap hole guide comprises a guide shaft maintainable parallel to a drill bit during the drilling of a pedicle screw tap hole; an accelerometer associated with a reference direction and responsive to gravity to determine an angular difference between an acting direction of gravity and the reference direction; and a mounting attaching the accelerometer to the shaft and establishing a positional relationship between the reference direction and the longitudinal axis. The accelerometer is preferably in communication with a data processing device or system, which data processing device is able to use signals from the accelerometer to perform one or more actions, such as, for example, displaying the angular difference. | 03-25-2010 |
20100076447 | Surgical Base Unit and Retractor Support Mechanism - An apparatus and methods for exerting force on a first bone with respect to a fulcrum, which may be a second bone. A base structure, mechanically coupled to the fulcrum, is coupled to the closure top so that a force may be exerted by the base structure, acting against the fulcrum, in at least one of axial and transverse directions with respect to a pedicle screw inserted into bone. A leg extension, allowing force to be applied through the pedicle screw to a bone, has a first end rotatably coupled to the base structure; and a second end threaded as the closure top. The base structure may also support a retractor in a manner local to the immediate region of surgery. | 03-25-2010 |
20100076448 | PLATING SYSTEM FOR BONE FIXATION AND METHOD OF IMPLANTATION - A modular bone distraction screw and a plate-based bone fixation device are well adapted for use in the spine. A plate has adjustable length and can accommodate bone settling. The method of use for each device is described and illustrated herein. | 03-25-2010 |
20100087831 | KNEE REPLACEMENT NAIL REMOVER - An orthopedic fixation pin removal device includes a lever rotatively disposed on a body, the lever is operably disposed by a rack and pinion, with pivoting of the lever the rack is moved in unison with a fixation pin engaging assembly, so that the fixation pin is moved in uniform motion. A fixed grip is oppositely disposed from the lever to provide bracing during removal of the fixation pin. | 04-08-2010 |
20100137875 | INSERTION AND REDUCTION TOOL FOR PEDICLE SCREW ASSEMBLY - Disclosed are devices, methods and systems for manipulating a pedicle screw assembly and for inserting and reducing a rod relative to the pedicle screw assembly. The system can include a cannula assembly having a reduction cannula with an internal bore extending between a proximal region and a distal region and an insertion cannula co-axially positioned within the internal bore of the reduction cannula. The insertion cannula includes a pair of opposed prongs extending distally from a distal region of the insertion cannula, wherein each prong is interposed between a pair of flexible projecting elements. The pair of opposed prongs of the insertion cannula and the distal region of the reduction cannula are aligned to collectively define an opening that is sized and shaped for receiving a spinal rod. The device also can include an annular collar mounted on the proximal region of the reduction cannula and rotatably coupled to a proximal region of the insertion cannula. The cannula assembly can also be a pivoting cannula assembly. | 06-03-2010 |
20100179559 | Method For Using An Automatic Feed Medical Screwdriver - A method of placing screws into bone or tissue structure during a medical procedure uses a power driven screw driver, a fastener carrier with a series of fasteners temporarily attached thereto and an elongated band structure carried by the fastener carrier system for positioning and advancing the individual fasteners of the series of medical fasteners in a controlled manner to a position to receive a driving tip on the powered screw driver. Activating a trigger mechanism causes the tip of the screw driver to extend and interlock with the head of the fastener temporarily held in the band, removing the fastener from the band, rotating the driver tip and fastener for driving the fastener into a tissue or bone structure, and releasing the trigger following positioning of the fastener in the bone or tissue disconnects the screw driver tip from the fastener head, retracts the screw driver tip from the band and causes the fastener carrier system to advance forward to position a subsequent fastener in a location for grasping by the screw driver tip. | 07-15-2010 |
20100179560 | CALIBRATED MECHANICAL ORTHOPEDIC DRIVER WITH WEAR-COMPENSATED TORQUE-LIMITING MECHANISM - A torque-limiting driver ( | 07-15-2010 |
20100204703 | Torque measuring mechanism using cam engagement - A device for delivering a predetermined amount of torque to a tool. The device has a handle and a cam assembly located within the handle. The cam assembly has a cam member integrally formed with a drive shaft. An adjustment ring is capable of rotating the cam assembly to different positions related to different levels of torque. A plunger will be biased against an exterior surface of the cam member to provide the different levels of torque delivery. | 08-12-2010 |
20100222785 | ANCHOR DRIVER - A surgical instrument for securing an anchor in a target area of the skull of a living subject to a predetermined driving depth. In one embodiment, the surgical instrument has a driver member, a bit member, a cap member that has a body portion forming a bore therein along a longitudinal axis, wherein inside the bore, a first inner surface is formed with an engagement length and a shape that is complimentary to a shaped surface of a driving engagement portion of the driver member to allow it to have a slidable engagement with the cap member, and a base member that has a body portion and an anchor engagement portion, wherein the engagement length of the first inner surface of the cap member equals the predetermined driving depth. | 09-02-2010 |
20100234851 | TOOL FOR EXTRACTING A PIN - A tool for extracting a pin from a substrate comprises a first lever arm with a body part having a cavity in which the free end of a pin can be received, and a second lever arm which can pivot relative to the first lever arm. A jaw component is provided within the body part which can be actuated from an unlocked position in which a pin within the jaw component can slide freely past the jaw component, and a locked position in which the pin is gripped by engagement of the jaw component with the side wall of the pin, and a support is provided which can slide relative to the body part, in a direction towards the substrate from which the pin is to be extracted. Initial movement of the first lever arm relative to the second lever arm causes the jaw component to be actuated from its unlocked position to its locked position so that an inserted pin is gripped by the jaw component. Continued movement of the first lever arm relative to the second lever arm causes the support to slide relative to the body part, so that an inserted pin which is gripped by the jaw component is displaced relative to the substrate. | 09-16-2010 |
20100241129 | Image-Guided Minimal-Step Placement Of Screw Into Bone - The present disclosure describes a device and methods for safely and accurately placing screws into bones with a powered driving device. By employing multiple layers of fail-safe features and image-guidance systems, the powered driving device provides safe, accurate, and efficient screw placement. That is, the powered driving device may continuously monitor a screw advancement and placement and may automatically shutdown when improper placement is detected. Monitoring placement may be conducted by a microcurrent-monitoring system, by an image-guidance system, or by any other appropriate sensory system. Additionally, upon detecting that screw insertion is complete, the powered driving device may be automatically shutdown. As screw placement is continuously simulated by image-guidance in real time, multiple redundant verification steps are eliminated, providing highly accurate screw placement while decreasing clinician error, device contamination, and surgical time, the decreased surgical time associated with decreased patient-recovery time and associated medical costs. | 09-23-2010 |
20100249798 | INSTRUMENT FOR PLACING A BONE SCREW, NOTABLY A SO CALLED "POLYAXIAL" SCREW OF VERTEBRAL OSTEOSYNTHESIS EQUIPMENT - This instrument ( | 09-30-2010 |
20100268241 | METHOD AND APPARATUS FOR ACCESSING THE INTERIOR OF A HIP JOINT, INCLUDING THE PROVISION AND USE OF A NOVEL TELESCOPING ACCESS CANNULA AND A NOVEL TELESCOPING OBTURATOR - A telescoping access cannula comprising:
| 10-21-2010 |
20100268242 | CANNULATED FASTENER SYSTEM - A cannulated fastener system is provided for orthopedic applications that include attaching bone plates to bone. The bone fastener has a cannulation with an inner shape. One or more screwdrivers is provided with a shaft having a shape that matches the cannulation of the fastener to rotationally fix the fastener to the screwdriver. In addition, the screwdrivers have a cutting blade that begins the drilling of a hole for the bone fastener. The screwdrivers may either be for use with a single fastener or have multiple fasteners Loaded within a retaining sleeve for automatic or controlled dispensing. | 10-21-2010 |
20100298838 | SURGICAL SCREWDRIVER - A surgical screwdriver having two drive modes of operation, an axial mode and a ratcheting mode. The screwdriver includes a handle having a base, a shaft rotatably coupled to the handle proximate the base, the shaft having one or more grooves along a length, an outer sleeve having a ratchet mechanism and an internal bore configured to receive the shaft, and a distal shaft having a proximal end coupled with the outer sleeve and a distal working end configured to couple with a screw. When the screwdriver is in the axial mode of operation, the shaft is moved in axial translation with the outer sleeve and the ratchet mechanism engages the grooves to rotate the working end. When the screwdriver is in the ratcheting mode of operation, the handle base is coupled to outer sleeve and rotation of the handle activates the ratchet mechanism to rotate the working end. | 11-25-2010 |
20100305576 | SUTURE ANCHORING INSTRUMENT - An installation tool is provided for producing a threaded hole and deploying an anchoring device into the threaded hole, while retaining control over associated sutures. The tool comprises a handle, a longitudinally-extending shaft removably engaged with the handle, an anchor removably engaged with the shaft, at least one suture threaded through the anchor and engaged with the handle, and a tap sleeve removably engaged with the shaft and which accommodates the anchor, at least a portion of the shaft, and at least a portion of the at least one suture. | 12-02-2010 |
20100312251 | Pedicle Driver - An improved detachable pedicle driver is disclosed having various external features to facilitate gauging depth by a surgeon, as well as being easier to manipulate by virtue of its revised side attachment design and light weight. | 12-09-2010 |
20100318093 | SURGICAL POWER TOOL AND ACTUATION ASSEMBLY THEREFOR - A surgical power tool has an actuation assembly for the actuation-force-dependent control of the tool. The actuation assembly comprises a force sensor configured to sense the actuation force and a carrier component for the force sensor which is arranged upstream of the force sensor in a direction of force application and is coupled thereto in a force-transmitting manner. A mechanical damping member is arranged upstream of the carrier component in the direction of force application. The damping member protects the carrier component and the force sensor, for example, from impacts and shocks and the accompanying plastic deformations. | 12-16-2010 |
20100331852 | Tool device for inserting fasteners - A tool device includes a frame, a barrel extending from the frame, a first magazine having first passages for containing work or drive bits, and a second magazine having second passages for containing fasteners. A shaft is movable over a path that extends through the barrel. When a second passage is vacant and aligned with a selected first passage, a work bit in the first passage is urged by the shaft through the vacant second passage and through the barrel, to be set at a distal end of the barrel for use on a work object. When a second passage containing a fastener is aligned with a selected first passage, a drive bit in the first passage is urged by the shaft to engage the fastener and advance the fastener to the distal end of the barrel, to enable the bit to drive the fastener into the work object. | 12-30-2010 |
20110004222 | Tool for Use with a Bone Anchor, in Particular for Spinal Surgery - A tool is provided for use with a bone anchor, wherein the bone anchor has an anchoring section and a receiving portion for receiving a rod to be connected to the anchoring section and a locking element, the tool comprising a tip portion for engaging the locking element; a mechanism to apply torque to the tip portion comprising a drive shaft and a driven shaft coupled by a gear unit, where the drive shaft has a different axis than the driven shaft, and where the driven shaft comprises an engagement portion configured to connect the driven shaft to the gear unit; and a counter-holding portion for engaging the receiving part, wherein the counter-holding portion is rotatable with respect to the tip portion. | 01-06-2011 |
20110060344 | Percutaneous Access Devices And Bone Anchor Assemblies - A percutaneous access device includes an inner tube and an outer tube disposed about at least a portion of the inner tube. The outer tube may be sized to span from a skin incision in a patient to a site proximate the spine of the patient. The distal end of the outer tube may be adapted to releasably engage a bone anchor. The inner tube may be adjustable relative to the outer tube between a first position and a second position in which the distal end of the inner tube contacts the bone anchor. A bone anchor assembly includes a bone anchor having a distal bone engaging portion and a receiving member having a recess for receiving a spinal fixation element. The proximal end of the receiving member may have an arcuate groove formed on an exterior surface thereof to facilitate connection of an instrument to the receiving member. | 03-10-2011 |
20110071538 | HERNIA MESH TACKS - There are disclosed various embodiments of surgical tacks for use in surgical procedures. The tacks generally include a head and a barrel portion extending distally from the head. Preferably the head and the barrel portion define a throughbore for receipt of a drive instrument. A thread on the head is provided to engage threads in the installation tool. A tissue thread is provided on the barrel portion to engage tissue. Distal and proximal surfaces of the tissue thread may be oriented at various angles relative to the barrel portion. There is also disclosed an insertion instrument to insert one or more tacks as well as a method of use. There is further disclosed a model device for use in explaining the operation of the instrument. | 03-24-2011 |
20110087233 | METHOD FOR GUIDING SYMMETRIC IMPLANTATION OF BONE SCREWS - A method for guiding symmetric implantation of bone screws is provided. The method includes the steps of: providing a spinal image of a spine, wherein the spine has a first bone screw implanted in one side of a spinous process of the spine; obtaining a first implanting information of the first bone screw; setting a reference line in the spinal image; generating a second implanting information by mirroring the first implanting information with respect to the reference line; and guiding a second bone screw to be implanted in the other side of the spinous process according to the second implanting information. The method generates a second implanting information that is based on and symmetric to the first implanting information, thus allowing the bone screws to be precisely implanted in both sides of the spinous process and aligned with each other in the same transverse section of the spinous process. | 04-14-2011 |
20110098715 | SELF-RETAINING SURGICAL DRIVER - A surgical tool includes a proximal end, a distal end and a longitudinal axis extending from the proximal end to the distal end. The surgical tool has a fastener engagement tip having a spring extension extending substantially parallel to the longitudinal axis of the surgical tool. The spring extension is resiliently flexible and deflectable between a first arrangement, in which the spring extension is in a relaxed state, and a second arrangement, in which the spring extension is deflected to facilitate insertion of the fastener engagement tip into a fastener slot. | 04-28-2011 |
20110118744 | DEVICE AND METHOD FOR ESTABLISHING AN ANCHORAGE IN TISSUE - A perforated sheath is anchored in a tissue opening with the aid of a tool, wherein the anchorage is achieved with the aid of mechanical vibration and a material which is liquefiable by the vibration. The tool includes a vibrating element and a counter element. Distal portions of both elements are introduced into the sheath to be in contact with each other at an interface. The vibrating element is connected to a vibration source and the vibrating element and the counter element are held against each other for effecting liquefaction of the liquefiable material at the interface. Under the effect of the force applied to the vibrating and counter element for holding them against each other, the liquefied material flows from the interface through the sheath perforation and penetrates the tissue. | 05-19-2011 |
20110130767 | SCREW DELIVERY SYSTEM - A screw delivery system is provided. Such a system may include a carrier including a carrier body, a driver, and a nose. The carrier may define a bore that extends at least partially through the carrier body. The driver may be configured to be at least partially disposed in the bore. The driver may include a head that is configured to mate with a head of a fastener. At least a first guide member may be carried by the carrier body. The nose may be operably aligned with the bore, and may include at least a second guide member that is configured to engage the first guide member. The system may be configured such that insertion of the driver from the bore into the nose causes the first and second guide members to engage so as to cause the nose to rotate relative to the carrier body. | 06-02-2011 |
20110137320 | FASTENER HAVING TORQUE OPTIMIZED HEAD - Disclosed is a medical fastener that can be mounted to a bone of a patient. The medical fastener can include a head portion comprising a recess having a first portion, a second tapered portion extending from the first portion, and a third cylindrical portion extending from the second tapered portion. A threaded body portion can extend from the head portion. The first portion and the second portion can have a Torx geometry or star-shaped configuration. Also disclosed is a driver usable to mount the medical fastener to the bone. The driver can include a tip that is complementary to the recess and an end that enables the driver to mount to a drill or other device that can rotate the driver. | 06-09-2011 |
20110144652 | System, instrumentation and method for spinal fixation using minimally invasive surgical techiques - A pedicle screw tower having a guide chute, open at both ends, affixed to the exterior of the main body of the tower. The guide chute extends the length of the tower and is curved inwardly at its bottom such that the exit direction is at approximately 90 degrees to and facing the central axis of tower. A guide cable is passed into and through the guide chute such that it is directed across the tower to an adjacent tower. | 06-16-2011 |
20110172673 | IMPLANT EXTRACTION TOOL - Implant removal tool ( | 07-14-2011 |
20110172674 | System and Methods for Minimally Invasive Spine Surgery - Methods and instruments are provided to allow access to a surgical site through a small incision while optimizing visualization of the patient anatomy. The instrumentation provide for the retraction of soft tissue, creation of a working envelope below the skin, and access to intervertebral discs and/or the surrounding bony structures for the purpose of performing various operative procedures including discectomy, laminectomy, and other spinal fixations. One set of disclosed instrumentation provides for the targeting of placement and trajectory of spinal fixation devices while reducing the number of instruments necessary needed to pass through the surgical incision. Another instrument disclosed herein allows for the compression of the intervertebral space through a very small incision. The instrument profile is minimized by using the same instrument that is used for tightening of the pedicle screws as one of the active components of the compression instrument. | 07-14-2011 |
20110184425 | CALIBRATED MECHANICAL ORTHOPEDIC DRIVER WITH WEAR-COMPENSATED TORQUE-LIMITING MECHANISM - A torque-limiting driver for orthopedic surgical use is described. The torque-limiting driver has a housing to which a torque force may be applied and transferred to a driver output shaft. The housing encloses a cam bearing assembly having a ball cage disposed so that balls of the ball cage move along a first vector path (Vr) radial to the axis of rotation. The bearing assembly also has an inner race abutting the ball. The inner race travels along a second vector path (F) parallel to the axis of rotation. The first vector path (Vr) and the second vector path (F) are not co-axial. A bearing load assembly applies a bias force (F) to the inner race of the cam bearing assembly to set the calibrated maximum amount of torque that can be transmitted via the housing through the cam bearing assembly to the output shaft of the torque-limiting driver. | 07-28-2011 |
20110184426 | DEVICE FOR FIXING SCREWS IN OSTEOPOROTIC BONES - The invention relates to a device for fixing screws in osteoporotic bones, formed by biocompatible fixing elements and an instrument for placing same. The instrument consists of two parts, a male part (A) and a female part (B), which can perform a relative linear sliding movement. The caudal end of each part has a pivoting jaw (Pa, Pb) forming an inverted U therebetween. The biocompatible element is placed in the jaw of the male part, which element will be traversed by a screw inserted through interchangeable guides (g) placed in the other jaw, acting as a locking and fixing nut for said screw. Both parts have a handle (m) to allow moving the jaws closer together. The opening of the device, restricted by a closure (C), is achieved by the action of a compression spring (R), upon releasing, by the action of the thumb, the catch inserted in the upper face, cut in a saw-toothed manner, of part A. | 07-28-2011 |
20110196380 | TENSIONING DEVICE FOR SURGICAL ELEMENTS - A tensioning device for surgical elements is described. The tensioning device comprises a fixation device, a clamping device, a spring device, and a force deflecting device that interacts with the clamping device. The force deflecting device is designed to convert the spring force exerted by the spring device on the clamping device into a clamping force exerted by the clamping device on the surgical element. | 08-11-2011 |
20110218546 | DEVICE FOR CONTROLLED ADJUSTMENT OF A SURGICAL POSITIONING UNIT - The invention concerns a device for adjusting the position of a screw ( | 09-08-2011 |
20110245839 | LOCKING SCREW DRIVER WITH INCREASED TORSIONAL STRENGTH - An orthopedic tool for implanting a bone screw and a method of manufacturing the same. The orthopedic tool includes a head that is shaped to lock onto the bone screw and that has improved torsional strength. | 10-06-2011 |
20110301614 | PENTAGONAL SCREWDRIVER, FOR SCREWING SCREWS WITH PENTAGONAL RECESSES, IN PARTICULAR ORTHOPAEDIC SCREWS - A pentagonal screwdriver, for screwing screws with pentagonal recesses, in particular orthopaedic screws with one face thereof tilted relative to and in the direction of the longitudinal axis of said screwdriver, the other four faces of the screwdriver being straight and parallel to said longitudinal axis. | 12-08-2011 |
20110306984 | TOOL AND SET SCREW FOR USE IN SPINAL IMPLANT SYSTEMS - The present invention relates to a tool in combination with a set screw for use in spinal implant systems, and more particularly to a tool for the deployment of set screws with a break-off neck portion comprising a handle portion, a stem portion extending from the handle portion, a set screw retaining means, and a driving means extending from the stem portion and disposed opposite the handle portion. The driving means is adapted to allow the installation of the set screw to the bone and applying torque for the shearing of the neck portion thereof, and at the same time is adapted to remove the installed screw portion of the said set screw when needed. | 12-15-2011 |
20120016372 | Facet Joint Replacement Instruments and Methods - A facet joint replacement system includes an inferior implant with an inferior articular surface, a superior implant with a superior articular surface, and an optional crossbar. The inferior implant and the superior implant are each polyaxially adjustably connected to fixation elements which anchor the implants to adjacent vertebrae. The optional crossbar may be polyaxially adjustably connected to bilateral implants. The system components may be provided in kits which provide components of various sizes and shapes. A set of surgical instruments may facilitate implantation of the facet joint replacement system by providing tools for bone preparation, trialing, implant insertion, implant alignment, and lock-out of modular interconnections. | 01-19-2012 |
20120016373 | DEVICE TO ASSIST WITH THE PLACEMENT OF SCREWS IN BONE TISSUE AND INSTRUMENT APPLYING SAID DEVICE, IN PARTICULAR FOR PERFORMING OSTEOSYNTHESIS OF BONE FRAGMENTS - A device to assist with the placement of screws in bone tissue, characterised in that said device includes an elongate hollow body comprising: a proximal portion enabling the attachment thereof to any rotating device, a distal portion provided with a milling cutter for making the recess for receiving the screw heads, a central portion provided with a longitudinal window with grading and, a drill spindle with a diameter enabling the axial sliding thereof into the bore of the hollow body and comprising, in the intermediate portion thereof, a marking means suitable for being positioned opposite the window of said body. The proximal portion of the body being arranged to enable either simultaneous rotation of the body and the spindle housed in the latter, or rotation of only the body. | 01-19-2012 |
20120035613 | BONE FIXATION IMPLANT SYSTEM AND METHOD - In one embodiment, a bone-fastening system includes a handle, a barrel assembly connected to the handle, and a bridge assembly connected to the barrel assembly. The bridge assembly may be configured to receive a first connector element and a second connector element in axial alignment with the first connector element so as to receive a fastening element between the first and second connector elements. The system may also include a control configured to, upon actuation, approximate the first connector element and the second connector element so as to apply compressive pressure to bone portions positioned between the first connector element and the second connector element. A drive mechanism configured to advance the fastening element through the bone portions and connect the first connector element with the second connector element to fasten the bone portions under compression may also be provided with the system. | 02-09-2012 |
20120041448 | SCREWDRIVER FOR BONE SCREWS - A screwdriver for bone screws is provided, having a handle and rotationally fixedly held thereon a shaft, a free end of which has a non-circular cross section and is insertable in a positively locked manner in a non-circular receiving opening in a head of a bone screw. At least one expander element is mounted to be displaceable in a longitudinal direction in the shaft and to slide, when displaced, along a slide surface in an area of the free end of the shaft such that the at least one expander element projects laterally over a contour of the shaft. The non-circular cross sections of the receiving opening and the free end of the shaft are configured such that the shaft is pressed by the at least one expander element in two areas of the receiving opening that are separate from one another against an inside wall of the receiving opening. | 02-16-2012 |
20120046665 | ELECTRIC SCREWDRIVER FOR SPINAL FIXATION - An electric screwdriver that inserts a screw into the spine of a human and includes: a joint rod to which the screw and a motor is coupled, a power transmitting unit for transmitting the force of the motor to the joint rod, an electrical energy supply unit for supplying electrical energy to the motor, and a case, one end of which has a first holding portion to be held by one hand of a surgeon; a second holding portion coupled to an outer circumferential surface of the case such that the second holding portion is rotatable relative to the case and can be held by the other hand of the surgeon; and an automatic/manual operating unit which enables the second holding portion to be fixed when operating the motor, and rotatable when the motor stops operating and the surgeon manually inserts the screw. | 02-23-2012 |
20120059384 | Composite Interference Screws and Drivers - The present disclosure relates to a delivery device. The delivery device including a handle assembly, the assembly including a handle and a connector coupled to the handle, the connector including a channel and an opening to the channel; and a shaft coupled to the handle, the shaft including a proximal end and a distal end, the distal end including threads, grooves intersecting the threads, and a depth stop. Other delivery devices, screws, and delivery device/screw combinations are also disclosed. | 03-08-2012 |
20120059385 | Variable angle depth limited fastener driver and variable angle fixation system for use in orthopedic plates - The present invention relates to an orthopedic fastener driver which can be used with a variable angle fixation system, and in particular in which the driver has a variable angle drive tip that is capable of screwing a fastener in an orthopedic plate assembly at a variable angle relative to the drive axis of the driver, and further wherein the driver has a drive mechanism including an interference clutch mechanism that disengages so as to limit the relative depth of the fastener in the plate assembly as to avoid driving the fastener or fastener assembly through the plate. | 03-08-2012 |
20120071885 | SURGICAL INSTRUMENT SUPPORT SYSTEM AND METHOD - Embodiments include a system for manipulating a portion of the spine. A support body provides support for extender sleeves that are coupled to bone screws implanted in bone. The extender sleeves are coupled to the support body in a manner that allows translation and rotation of the extender sleeves relative to the support body. Movement and rotation of the extender sleeves in selected directions can be allowed while movement and rotation in other directions can be inhibited. The extender sleeves can be manipulated to move the bone. | 03-22-2012 |
20120071886 | Tool system for dynamic spinal implants - A tool set for implanting bone screws in a human spine, followed by the implantation of a longitudinal connecting member into the bone screws includes a pair of independently mountable and manipulatable elongate guide tools that form a unitary tool guide when desired. Each guide tool includes attachment structure for independent operable connection of the guide tool to an arm of the bone screw. The bone screw/guide tool attachment includes an undercut and/or recess so as to resist separation of the guide tool member from an attached bone screw. Further tools include a removable stabilizer, a cooperating bone screw driver with an attached stabilizer, a closure starter/reduction tool, a closure driver and a counter torque tool. | 03-22-2012 |
20120083792 | Torque Drive Device For Use With A Dynamic Pedicle Screw - 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. | 04-05-2012 |
20120089150 | Screw head locker apparatus and methods of use - An apparatus for provisionally locking a polyaxial head on a fixed head of a bone screw using a locking bushing includes an elongated housing with a proximal end and a distal end, the distal end having couplers for releasably coupling with the polyaxial head; an inner shaft slidably engaged within the housing and including a distal portion, a middle portion, and a proximal portion; and an actuator that selectively positions the inner shaft within the housing to engage at least one of the distal portion, the middle portion, and the proximal portion with at least one of the couplers and the bushing disposed between the distal portion and the fixed head of the bone screw. | 04-12-2012 |
20120101506 | TISSUE RETRACTOR APPARATUS AND METHODS OF USE - Apparatus and methods of use for a tissue retractor having a first retractor with a first main frame with a first distal blade and a second retractor having a second main frame with a second distal blade, the first distal blade and second distal blade being configured to engage each other on opposite sides of a spinal implant creating an expandable passageway p between the first main frame and second main frame. | 04-26-2012 |
20120109142 | Surgical Screwdriver - Disclosed is a surgical screwdriver providing a secure fit for a fastener for use in inserting the fastener into a patient. The device creates negative pressure within the tip of the surgical screwdriver for holding the fastener in place. Negative pressure is created by drawing air through a nozzle at the tip of the device. Air is pulled through the device and out the proximal end of the device's handle via suction tubing connected to the suction attachment of the proximal end of the handle. | 05-03-2012 |
20120109143 | SURGICAL INSTRUMENT WITH PLANTARY GEAR SYSTEM - A surgical instrument for applying a rotational force to a structural element during a surgical procedure. The instrument may be designed for increasing an input force to produce an enlarged output force adequate for fracturing an excess section of the elongated element from a remainder of the structural element. The instrument may include an input mechanism that receives an external rotational input force, a planetary gear system that multiples the input force, and an output mechanism that attaches to and delivers the multiplied rotational output force to the excess section of the structural element. The output mechanism may also be configured to capture the separated excess section. The instrument may include a housing and a handle for grasping and manipulating during the surgical procedure. | 05-03-2012 |
20120123430 | DEVICES FOR DEPLOYING INTRAOCULAR SHUNTS - The present invention generally relates to devices for deploying intraocular shunts without the use of an optical apparatus that contacts an eye, such as a goniolens. In certain embodiments, devices of the invention include a housing including a proximal portion and a distal portion, in which the distal portion is movable within the proximal portion, a deployment mechanism at least partially disposed within the housing, and a hollow shaft coupled to the deployment mechanism, in which the shaft is configured to hold an intraocular shunt. | 05-17-2012 |
20120123431 | DRIVER FOR A SURGICAL DEVICE - A tool for holding or driving an implant member having a recess is provided including an elongate tool shaft having a distal head portion for being received in the recess and a securing mechanism that keeps the head portion in the drive recess and which is disposed proximally up along the tool shaft from the distal head portion. In one form, the securing mechanism includes a plurality of resilient leg member having distal end locking portions. In another form, a drive system includes a drive tool and a driven member. The drive tool has a generally annular flange portion that is radially larger than the drive head portion. The driven member has a generally annular securing portion for receiving the flange portion in releasably locked engagement so that the circumferential extent of the locking engagement is maximized relative to the smaller radial size of the drive head portion. | 05-17-2012 |
20120123432 | RETRACTION TUBE FOR USE WITH BONE SCREW - A retractor system and method for locating and placing a polyaxial screw while substantially simultaneously retracting tissue is shown and described. The retractor has a channel that facilitates introducing a rod into the polyaxial screw. Various embodiments are shown, including one which utilized a reducer for moving the rod in the retractor. | 05-17-2012 |
20120130387 | Insertion Handle For Surgical Implants - An insertion handle for medical implants includes a handle with an elongate shaft extending therefrom and connection means for the implant disposed at the end of the shaft opposite the handle. The connection means includes a pivotable attachment for the implant that is controlled remotely from the handle. Both angle of the implant with respect to the handle and shaft as well as the attachment may be separately controlled and adjusted. Remote angular adjustment facilitates insertion of implants in to small surgical sites because the orientation of the implant may be repeatedly, remotely adjusted as the implant is inserted. Connectors may also be provided at the engagement surface between the handle and implant in order to provide communication with the implant or surgical site. The connectors also may serve as torque bearing members to avoid the need for separate torque bearing means such as keyways and the like. | 05-24-2012 |
20120130388 | UNIVERSAL BONE SCREW SCREWDRIVER - The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to replaceably receive tool bits corresponding to the screw heads of different manufacturers and comprises a torque limiting spring to secure the tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be. | 05-24-2012 |
20120136365 | METHOD AND APPARATUS FOR INSERTION OF AN ELONGATE PIN INTO A SURFACE - A trajectory structure is configured for contact with a surface to dictate an insertion trajectory of a pin relative to the surface. A location structure is configured to allow longitudinal passage of at least a portion of the pin therethrough to dictate an insertion location of the pin relative to the surface. An elongate handling rod is connected to the trajectory structure and the location structure. The handling rod supports the trajectory structure and the location structure for manipulation by a user. The handling rod spaces the trajectory structure and the location structure longitudinally apart. The trajectory structure is connected to the handling rod for trajectory adjustment in at least two degrees of freedom relative to the handling rod. The insertion trajectory of the pin insertion is substantially dependent upon the trajectory adjustment. A method for inserting an elongate guide pin into a bone surface is also provided. | 05-31-2012 |
20120172885 | SURGICAL TACK DELIVERY SYSTEM, METHOD AND KIT - A system for delivering a surgical tack in tissue includes a driver, comprising: a shaft having a slot and a channel; and a handle slidably connected to said shaft and having a driving mechanism, said driving mechanism having a driving pin for providing a downward force through said shaft; and a tack cartridge having a plurality of tacks and adapted to be received in said slot and further adapted to feed said tacks between said driving mechanism and said channel. | 07-05-2012 |
20120179163 | Composite Interference Screws and Drivers - The present disclosure relates to a delivery device and screw combination. The combination includes a delivery device comprising a handle and a shaft coupled to the handle, the shaft including a proximal end, a distal end, a non-circular cannulation, and markings along a length of the shaft; an interference screw coupled to the delivery device comprising a proximal end and a distal end, the screw including threads extending in an open helical form from the proximal end to the distal end, a suture bridge located at a distal end of the screw and housed within a slot of the delivery device shaft, and a plurality of runners extending longitudinally along an interior of the screw, the runners housed within grooves of the delivery device shaft; and a suture disposed around the suture bridge, ends of the suture extending through the cannulation of the delivery device shaft. | 07-12-2012 |
20120197263 | Instrument Set for Screwing an Implant Into an Intervertebral Disc Space - An instrument set for screwing an implant into an intervertebral disc space comprises a guide sleeve and a screwing-in instrument. The latter has a shank having a distal end at which the implant can be fixed in a rotationally rigid manner. At the proximal end a rotary handle is fastened in a rotationally rigid manner. The screwing-in instrument further has a residual-advance indicator, which is configured to quantitatively indicate to the surgeon, during the screwing-in procedure, how far the implant is distant in the axial direction from an axial specified position that is fixed relative to the location at which the guide sleeve is supported on the vertebrae. | 08-02-2012 |
20120253355 | INTERLOCK DRIVING INSTRUMENT - An interlock driving instrument is configured to be releasably lockable to a fastener, such as a bone anchor. A bone anchor can be locked to the interlock driving instrument by inserting an expandable distal end of the shaft of the interlock driving instrument into the driving opening of the bone anchor and expanding the distal end within the driving opening by translating an expansion member into the expandable distal end. Alternatively, the bone anchor can be locked to the interlock driving instrument by inserting the distal end of the shaft of the interlock driving instrument into the driving opening of the bone anchor and translating a sliding member along a sloped surface defined in a channel extending into the shaft. | 10-04-2012 |
20120283740 | SURGICAL HANDPIECE - The present invention relates to a surgical handpiece for driving a surgical tool, with a housing, in which there are arranged a drive in the form of a compressed air motor and at least one bearing or gear part cooperating with the drive on the output side, further comprising at least one lubricant spray connection for coupling to a lubricant spray source, and which is in fluidic connection with at least one of the at least one bearing or gear part and the compressed air motor. | 11-08-2012 |
20130012954 | SURGICAL INSTRUMENT - A surgical instrument for seating a pedicle screw may comprise a driver head, a pressure ring, or at least one guide element. The driver head may be configured for removably connecting to the pressure ring or the at least one guide element, or a pressure ring and at least one guide element. The removable connection of the pressure ring or the at least one guide element from the driver head may be twistable or slidable for purposes of exchanging the pressure ring or the at least one guide element from the driver head. The pressure ring or at least one guide element is configured to operatively engage the pedicle screw and transfer motion of the surgical instrument to the pedicle screw. | 01-10-2013 |
20130012955 | System and Method for Pedicle Screw Placement in Vertebral Alignment - A system and minimally invasive method for the placement of pedicle screws without the use of a trocar needle and/or guidewires. The system and method comprises at least one pedicle finder and at least one dilator. The pedicle finder preferably comprises an extender that is removably attached to a pedicle anchor. Attached to a pedicle anchor is a flexible tether. The extender preferably includes a passage through which the flexible tether extends. The dilator comprises a tubular body with two ends, where a first end comprises a means for securing the dilator into bony process of vertebra and a second end comprises at least two arm attachments. The tubular body Of the dilator is configured to slide easily over an extender and secure the first end into bony vertebra to prevent the dilator from dislodging. The arm attachment of the second end of the dilator can be interconnected with another arm attachment via a linking element and/or the dilator can be secured to a stable object such as a table via a securing element. | 01-10-2013 |
20130030445 | SURGICAL INSTRUMENTATION FOR SPINAL SURGERY - An instrument assembly includes a downtube having a tubular body with a proximal end and a distal end. In one embodiment, the proximal end forms an opening for receiving a surgical tool, and the distal end forms at least two attachment members for attaching to a bone anchor. The tubular body forms a hollow passage extending from the proximal end to the distal end. The assembly includes a key for insertion into the proximal end of the downtube to attach the downtube to a bone anchor. The key includes an engagement end configured to engage the at least two attachment members when the key is inserted into the downtube. The key is rotatable within the tubular body between a clamping orientation and a releasing orientation. | 01-31-2013 |
20130030446 | TIBIOTALAR ARTHRODESIS GUIDE - A Tibiotalar Arthrodesis Guide (TAG) used for fusion of the talus to the tibia is comprised of several basic components. The main component is a straight guide post upon which other components can slide. A curved arm is featured at the end of the straight guide post, featuring points at the ends which serve as indicators of the pins' exit sites based upon the lines of action of the parallel pins. The parallel guide cylinders are positioned on a movable arm which translates superiorly and inferiorly on the guide post of the handle, allowing a surgeon to adjust the device for varying ankle sizes. A “home-run” pin guide cylinder for a home-run guide pin is oriented superiorly and at an angle to the parallel guide cylinders. Using a similar concept as the parallel guide cylinders, the “home-run” guide is also attached to a movable arm that can translate inferiorly and superiorly along the main guide post. A medial guide cylinder for a medial guide pin passes through one of a plurality of holes in a vertical guide arm. The surgeon has the flexibility to utilize either the “home-run” or medial pins, depending on the needs of the patient and preference of the surgeon and, in either case, the “home-run” and medial pin pass between the two parallel pins. | 01-31-2013 |
20130085505 | IMAGE-GUIDED MINIMAL-STEP PLACEMENT OF SCREW INTO BONE - The present disclosure describes a device and methods for safely and accurately placing screws into bones with a powered driving device. By employing multiple layers of fail-safe features and image-guidance systems, the powered driving device provides safe, accurate, and efficient screw placement. That is, the powered driving device may continuously monitor a screw advancement and placement and may automatically shutdown when improper placement is detected. Monitoring placement may be conducted by a microcurrent-monitoring system, by an image-guidance system, or by any other appropriate sensory system. Additionally, upon detecting that screw insertion is complete, the powered driving device may be automatically shutdown. As screw placement is continuously simulated by image-guidance in real time, multiple redundant verification steps are eliminated, providing highly accurate screw placement while decreasing clinician error, device contamination, and surgical time, the decreased surgical time associated with decreased patient-recovery time and associated medical costs. | 04-04-2013 |
20130096568 | MODULAR TOOL APPARATUS AND METHOD - A modular tool apparatus is provided having a handle defining a cannula extending at least partially therethrough and an elastic member disposed therein. The apparatus further provides a separate tool shaft configured to be releasably engaged with the handle by insertion into the cannula. The tool shaft comprises a plurality of teeth configured for ratcheting engagement with the elastic member when the tool shaft is inserted into the cannula. In some embodiments, the cannula extends completely through the handle from a proximal end to a distal end thereof to facilitate cleaning of the handle and separable tool shaft. | 04-18-2013 |
20130103039 | BONE SCREW EXTENDER REATTACHMENT SYSTEM AND METHODS - A bone screw extender reattachment system including an elongated reattachment rod having a proximal and a distal end. The distal end of the elongated reattachment rod includes a tip configured to attach to a head of a bone screw. The elongated reattachment rod is configured so that a screw extender assembly having an inner sleeve, an outer housing and an extender head can slide over the reattachment rod. The bone screw extender reattachment system also includes a tension plunger having a plunger-type head and an elongated shaft configured to slide over the reattachment rod so as to communicate with the screw extender assembly. | 04-25-2013 |
20130110123 | DEVICES AND METHODS TO POSITION AN ANCHOR DURING A SURGICAL PROCEDURE | 05-02-2013 |
20130110124 | PEDICLE SCREW EXTENSION SYSTEM | 05-02-2013 |
20130123793 | SURGICAL INSTRUMENT INCLUDING ANGLE ADJUSTMENT MECHANISM AND QUICK-CONNECT MECHANISM - An instrument assembly can include a handle and an instrument. The handle can include an inner member and an outer member. The inner member can include a rod and a first tip. The outer member can include a second tip and can define a cannulation. The instrument can define a pocket configured to receive the second tip of the outer member. The handle can be adjustable at a desired angle relative to the instrument when the second tip of the outer member is disposed in the pocket and the first tip of the inner member is positioned in the cannulation spaced apart from the second tip. The first tip can be configured to expand the second tip radially outward such that the second tip engages the pocket and locks the handle at the desired angle when the first tip is positioned in the cannulation in engagement with the second tip. | 05-16-2013 |
20130123794 | MULTI-CHAMBER AUTOMATIC FEED MEDICAL SCREWDRIVER - A fastener system for placing screws into bone or tissue structure during a medical procedure is disclosed. The fastener system comprises a drive shaft and driver tip that securely and removeably interlocks with the fastener head and drives the fastener into the surgical site, then disengages the fastener and withdraws. The fastener system comprises a multi-chamber cartridge, which can be either reloadable or a pre-loaded disposable one-use unit. Each chamber holds a fastener using one or more of several alignment systems. Example of alignment systems are cantilevers with springs, spring-clips, or molded features within the chamber to hold the fastener in place until the driver tip engages the fastener head. The fastener head also can latch onto the driver tip. As an example, the fastener head can have hooks that lock into a ridge on the driver, and disengage when the driver tip withdraws. | 05-16-2013 |
20130131684 | BONE SCREW INTRODUCING SLEEVE - A guide sleeve that is deformable or splittable, for use in threading a surgical screw therethrough and into a drilled hole ( | 05-23-2013 |
20130131685 | Bone Plate Systems - Bone plate systems for surgical implants and bone repair are provided. The bone plate is multi-tiered for receiving bone anchors for securing a plurality of bones or bone fragments in a desired relationship. The plate members include throughbores for receiving a pivot base therein, with head ends of the bone anchors being secured within the pivot bases. The throughbores may permit and define a translation path for the pivot base and the bone anchor secured therein relative to the plate. The configuration of the pivot base and the throughbore facilitate pivoting and optional translation of the pivot base relative to the plate. With the bone anchor seated within the pivot base, an apparatus for inhibiting bone anchor back out is employed. | 05-23-2013 |
20130144303 | METHOD AND APPARATUS FOR ORTHOPEDIC FIXATION - A dual reconstructive wire system for use with an anatomy can include a first guide wire, a second guide wire, a first guide instrument, a first cannulated insertion instrument, and a second cannulated insertion instrument. The first guide wire can pass through the first cannulated insertion instrument such that a first end and a second end of the first guide wire extends beyond the first end and the second end, respectively of the first cannulated insertion instrument. The second guide wire can pass through the second cannulation insertion instrument such that a first end and a second end of the second guide wire extends beyond the first end and the second end, respectively of the second cannulated insertion instrument. | 06-06-2013 |
20130150864 | SURGICAL INSTRUMENT AND METHOD - A surgical instrument includes a first member extending along a longitudinal axis having a first end configured to mate with a head of a threaded member, the first end having a first configuration such that the first end loosely mates with the head of the threaded member and a second configuration such that the first end tightly mates with the head of the threaded member. The surgical instrument further includes a second member configured to expand the head from the first configuration to the second configuration. Methods of use are disclosed. | 06-13-2013 |
20130178864 | METHOD AND APPARATUS FOR POSITIONING AND PLACEMENT OF A SURGICAL DEVICE - A method and device are provided that support a surgeon's work in siting and fixating a surgical screw into bone tissue. A first device is provided that removably couples with a previously fixated first surgical screw while the first surgical screw is fixated within a bone. The device may include a handle and an adjustable guide element. The handle presents a coupling element that detachably couples with the first surgical screw. The guide element helps a surgeon site an additional screw for placement into bone tissue. The guide element is adjustably positionable relative to the handle along a linear axis and optionally rotationally about the same axis. The handle may optionally be adjustable to enable positioning of the guide element along a second axis extending from the bone, whereby the guide element may alternately be positioned closer to or further away from the first surgical screw. | 07-11-2013 |
20130190772 | Elastic Guide Wire for Spinal Surgery - An elastic alloy wire is used to guide pedicle screw insertion during spinal surgery of a patient. Once the pedicle screw is affixed to the vertebra, the elastic alloy wire is bent away from the intraoperative region, providing the surgeon and surgeon's assistant better access to the intraoperative region and the anatomy of the patient. | 07-25-2013 |
20130211413 | SYSTEM AND METHOD FOR THE QUALITY CONTROL OF SCREWED-IN JOINTS - The present invention refers to a system for the quality control of screwed-in joints, where the system has:
| 08-15-2013 |
20130218166 | Surgical Angulation Measurement Instrument for Orthopedic Instumentation System - A surgical angulation measurement instrument of the instant invention includes a positioning measurer and a positioning reader linked to the positioning measurer. The positioning measurer detachably couples with a tool which is used to implant the pedicle screw. In response to the orientation of the tool, the orientation of the pedicle screw is measured by the positioning measurer with respect to a pedicle axis of screw placement. The positioning reader indicates the orientation of the pedicle screw and notifies the orientation of the pedicle screw being aligned with the pedicle axis of screw placement. | 08-22-2013 |
20130226191 | ORTHOPEDIC IMPLANT KIT - An implant kit has an adapter having a first end, a second end, and a longitudinal axis extending from the first and to the second end, wherein the first end is configured for removably receiving and engaging an implant and the second end is configured for removably coupling to a driver shaft of an implant driving tool, and an implant preloaded into the first end of the adapter, the implant having an elongated threaded portion; and a blade portion extending from the elongated threaded portion, and having two serrated edges, wherein the blade portion is received in the first end of the adapter and the elongated threaded portion of the implant is coaxially aligned with the longitudinal axis of the adapter. | 08-29-2013 |
20130226192 | CANNULATED TORQUE DEVICE AND TIP ENGAGEMENT - A cannulated torque-limiting device with one or more lumen therein which may mate with an additional operational tool. An A-O tip engagement for receiving and securing tips and tools for varying applications and needs is also disclosed. | 08-29-2013 |
20130237992 | INSTRUMENT FOR COMPRESSION AND DISTRACTION - A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing using a mating feature in the surgical screw implant. The at least one flexible member is configured to retain the surgical screw implant. The mating feature is configured to control axial movement of the surgical screw implant. | 09-12-2013 |
20130245633 | APPARATUS AND METHOD FOR VISUALIZING INSERTION OF A FIXATION ELEMENT INTO AN IMPLANT - Apparatuses and methods for inserting elongated fixation elements into screw implants include one or components for visualizing the insertion process from a unique vantage point. One apparatus features a steering apparatus for adjusting the position of a receiver element on a screw implant, so that an elongated fixation element, such as a rod, can be inserted through a transverse passage in the receiver element. The steering apparatus may include an extension tube and a steering control member coupled to the extension tube. The extension tube may be configured for coupling to the receiver element, and the steering control member may be configured for coupling to the extension tube. The steering control member may include an opening for receiving an endoscope. The endoscope may be used to visually monitor the elongated fixation element as it is inserted into the transverse passage of the receiver element. | 09-19-2013 |
20130253526 | SYSTEM, METHOD, AND APPARATUS FOR AN ANTERIOR PORTAL GUIDE FOR PARTIAL THICKNESS ROTATOR CUFF REPAIR - An anchor placement jig for partial thickness rotator cuff repair. The anchor placement jig includes a frame, a target extending from a distal end of the frame, and a guide disposed on the frame and aligned with the target. The guide has a guide axis that intersects an aperture that extends through the target. The aperture is sized to receive a suture anchor. The target includes a perimeter structure. The perimeter structure extends at least partially around the aperture. The perimeter structure includes a perimeter clearance between the perimeter structure of the target and the aperture of less than one sixteenth of an inch. | 09-26-2013 |
20130261635 | PUSH-OFF DRIVER AND METHOD FOR INSERTING BONE SCREWS - A method and device for inserting screws into a patient, such that when the device is removed the device does not stick to the screw. The device, being a push-off driver, may have a handle, an inner driver, and a threaded driver sleeve having a button mechanism and a plurality of spheres, and an inner sleeve. The method includes the steps of assembling a push-off driver attaching a bone screw to the push-off driver inserting the bone screw and detaching the bone screw from the driver by unthreading the threaded driver sleeve from the polyaxial screw which causes the spheres in the recess of the inner driver to back up against the start of the recess and causing the threaded driver sleeve to “push-off” the polyaxial screw from the inner driver. | 10-03-2013 |
20130261636 | Rod Coercer - A rod coercer for use in spinal fixation procedures is provided. The rod coercer can be pivoted in a first direction to fixedly grip an implant, and pivoted in a second direction to reduce a rod into the implant. In one embodiment, the rod coercer includes first and second articulating handle branches, first and second rod contacting arms extending from the first and second handle branches, first and second implant gripping arms pivotally interconnected with the first and second handle branches, and means for releasably locking the handle branches and the implant gripping arms in a closed and locked position. In another embodiment, the implant gripping arms of the rod coercer can be secured to each other by a flexible retainer. | 10-03-2013 |
20130274754 | INSTRUMENT FOR COMPRESSION AND DISTRACTION - A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing a mating feature in the surgical screw implant. The at least one flexible member is configured to retain the surgical screw implant. The mating feature is configured to control axial movement of the surgical screw implant. | 10-17-2013 |
20130282019 | Surgical Screwdriver - An instrument for attachment and insertion of a screw assembly into a surgical site includes a housing, an attachment shaft, and a drive shaft. The housing including a movable hub. The attachment shaft includes a proximal end for coupling to the housing and a distal end with a flexible portion for selectively attaching to a receiver of the screw assembly. The drive shaft within the attachment shaft includes a proximal end for selectively engaging the hub and a distal end with a driving feature for driving a head of the screw assembly. | 10-24-2013 |
20130310842 | INSTALLATION TOOL FOR BONE SCREW - A tool for installing a bone screw in a bone. The tool has a guide wire having an inner end adapted to be seated at the bone at a site where the screw, which is tubular and can fit around and slide along the wire, is to be installed, a tubular tool body fittable over and around the wire and having a tip fittable with the bone screw when same is traversed by the wire to rotate and drive the bone screw, a stabilizer axially and rotationally fixable to the wire offset from the tool body so that the screw can be screwed axially into the bone at the site while the wire is prevented from moving axially by the stabilizer. | 11-21-2013 |
20130331852 | 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. | 12-12-2013 |
20130338675 | GLENOID BASEPLATE INSERTION TOOL - An insertion instrument for inserting an orthopedic implant into a bone and guiding an implant attachment element into the bone comprising: a body having a first end and a second end and a bore extending along a central axis; a fixed arm and a deflectable arm coupled to the body second end, the fixed arm spaced from the deflectable arm forming an attachment element receiving passageway therebetween extending along the central axis, the fixed arm having an implant engaging free end spaced a fixed distance from the central axis; and an actuator mounted on the first end of the body for moving the deflectable arm away from the fixed arm while allowing the attachment element to traverse the passageway. | 12-19-2013 |
20140012275 | POLYAXIAL BONE SCREW WITH SHANK ARTICULATION PRESSURE INSERT AND METHOD - A polyaxial bone screw assembly includes a threaded shank body having an upper portion, a receiver member or head, a retaining and articulating structure, and a pressure insert disposed between the shank upper portion and a rod. The receiver has a U-shaped cradle defining a channel for receiving a spinal fixation rod and a receiver cavity. The retaining and articulating structure attaches to the shank and rotates with the shank in the cavity during positioning. The pressure insert presses upon the shank upper portion and not the retaining and articulating structure. | 01-09-2014 |
20140018816 | TORQUE TRANSMITTING BALL JOINT DRIVER HAVING A RIGID FIXATION MECHANISM - An articulating driver having a ball-in-socket joint. The driver may include a driver tip having a spherical head, a retention cap having a domed surface to mate with the spherical head, an input shaft, a spring disposed in an end of the input shaft and in a recess of the retention cap opposite that of the domed surface, and a housing that receives the input shaft, the spring, the retention cap and the spherical head. The housing may have a tapered end to positionally retain the spherical head therein. In another aspect, the driver may include a driver tip coupled to the input shaft that includes an interface to engage a screw. A bushing may engage the driver tip at one end and receive the screw at the other end to retain the screw within the driver. | 01-16-2014 |
20140018817 | SCREW DELIVERY SYSTEM - A screw delivery system is provided. Such a system may include a carrier including a carrier body, a driver, and a nose. The carrier may define a bore that extends at least partially through the carrier body. The driver may be configured to be at least partially disposed in the bore. The driver may include a head that is configured to mate with a head of a fastener. At least a first guide member may be carried by the carrier body. The nose may be operably aligned with the bore, and may include at least a second guide member that is configured to engage the first guide member. The system may be configured such that insertion of the driver from the bore into the nose causes the first and second guide members to engage so as to cause the nose to rotate relative to the carrier body. | 01-16-2014 |
20140025082 | Impact and Drive System for Prosthesis Deployment Device - A deployment device for a prosthesis includes a driving assembly, including a driving tube and a driving pin. The deployment device also includes a driven assembly, including a driven tube and a driven pin. The driven pin and the driven tube may be further associated with the prosthesis. The driving tube, the driving pin, the driven tube and the driven pin may all be located coaxially, with the driving pin configured to translate through a cavity in the driving tube and the driven pin configured to translate through a cavity in the driven tube. This configuration allows for a two-stage implantation process for the prosthesis, as the driving tube and driving pin may move together in one stage and may move relative to one another in a second stage. | 01-23-2014 |
20140031830 | BONE FASTENER ASSEMBLY INSTRUMENT - A bone fastener assembly instrument that can assemble a two-component bone fastener during surgery is provided. The bone fastener may be of a type that comprises a threaded bolt and nut for securing an implantable device to bone, such as a spinous process. A method for using the bone fastener assembly instrument is also provided. | 01-30-2014 |
20140031831 | SURGICAL TOOL SYSTEM INCLUDING A NAVIGATION UNIT THAT RECEIVES INFORMATION ABOUT IMPLANT THE SYSTEM IS TO IMPLANT AND THAT RESPONDS TO THE RECEIVED INFORMATION - A surgical tool system for fitting an implant to a patient. The system includes a handpiece that is used to fit the implant. The handpiece is capable of reading data from a memory integral with the implant. The system includes a surgical navigation system capable of monitoring the position of the handpiece relative to the patient. Based on the data read by the handpiece from the memory of the implantable device and the data regarding the position of the implant the navigation system presents information regarding the procedure. This information includes data regarding the position of the implant relative to the patient or textual information based on the type of implantable device. If the implant is being improperly position, the surgical navigation system presents a warning or inhibits actuation of the handpiece. | 01-30-2014 |
20140052138 | BONE SCREW AND WASHER INSERTION TOOL - The insertion tool and pusher system of the present invention includes a bone screw having a head and a shaft. An annular washer is adapted to be mounted on the bone screw shaft. An insertion tool having a longitudinally extending shaft with an axial bore therethrough is provided for receiving the bone screw. The shaft has a first end with a washer retention surface surrounding the insertion tool cannulated shaft bore. The washer is held on the retention surface which positions the washer to receive the bone screw shaft. Pin-like spring elements are used to hold the washer in position. A plate is mounted on an outer surface at the first end of the inserter shaft, the plate having a bone contacting surface. | 02-20-2014 |
20140066945 | SURGICAL IMPLANT SYSTEM AND METHOD - A surgical implant driver includes a member defining a longitudinal axis and including an engagement portion. The engagement portion includes a first surface and a second surface disposed in a serial configuration along the longitudinal axis. The first surface includes a drive interface engageable with a first surface of an implant fastener and the second surface includes at least a retention interface engageable with a second surface of the implant fastener. Systems and methods are disclosed. | 03-06-2014 |
20140074105 | SPINAL IMPLANT SYSTEM AND METHOD - A surgical instrument includes a first member that defines a longitudinal axis. The first member extends between a proximal end and a distal end. The distal end is configured to engage an outer surface of a first implant. A second member includes an inner surface that defines a cavity. The cavity is configured for disposal of the first member. The second member is engageable with a second implant connected to the first implant. An actuator is connected to the first member in a configuration for moving the second member into engagement with the second implant such that the second implant axially translates along the outer surface of the first implant. Systems and methods of use are disclosed. | 03-13-2014 |
20140074106 | WORKING TOWER, ROD INSERTER, ROD REDUCER, AND COMPRESSION-DISTRACTION TOOL FOR MINIMALLY INVASIVE SURGERY SYSTEM - A working tower for gripping a correction screw during minimally invasive surgery and playing a role of a working surface for other external devices is provided, which includes an exterior pipe, an interior pipe slidably provided within the exterior pipe, a driving sleeve rotatably connected to the exterior pipe and screw-coupled to the interior pipe to move the interior pipe upward and downward along a lengthwise direction thereof during rotation, and a screw holder provided on a lower end of the interior pipe, and is elastically split apart to receive a head portion of the correction screw when withdrawn from the exterior pipe, and contracted to securely hold the head portion when inserted into the exterior pipe. | 03-13-2014 |
20140100583 | SURGICAL INSTRUMENT AND METHOD - A surgical instrument includes a first member extending between a proximal end and a distal end. The distal end includes a plurality of fingers extending radially outward in a tapered configuration. A second member extends between a proximal end and a distal end. The proximal end of the second member is configured for mating with the distal end of the first member. A third member has an inner surface defining a cavity configured for disposal of the first member and engagement with the first member to fix the first member with the second member. Systems and methods are disclosed. | 04-10-2014 |
20140128878 | Enhanced Surgical Driver - Devices, systems, and methods are provided for applying a controlled amount of torque during a surgical procedure. In one exemplary embodiment, after the amount of torque applied reaches a threshold amount, a modular driver tip can be deformed, for instance by breaking into pieces. A containment shield disposed around at least a portion of the tip is configured to receive at least a portion of the tip after it is deformed. In one aspect, multiple modular driver tips can be disposed in a cartridge, with a distal-most tip being held by a driver tip holder that has a holding force that is greater than a threshold torque value of the tip. Exemplary methods for operating surgical drivers and systems that include tips that deform at a threshold torque value, and a multitude of embodiments of tools and systems, are also provided. | 05-08-2014 |
20140142585 | Locking Cap Release Mechanism - The present invention is directed to a release mechanism for removing and/or releasing a locking cap from the head of a bone anchor in situ. The release mechanism includes a sleeve, an anchor coupling member and a knob. The anchor coupling member is located within the sleeve and the knob engages both the anchor coupling member and the sleeve. The distal end of the sleeve and anchor coupling member engage the bone anchor causing the bone anchor to splay from the locking cap. A driver may be inserted into the central bore of the release mechanism to release any further threaded engagement of the locking cap and the bone anchor. | 05-22-2014 |
20140155907 | SURGICAL INSTRUMENT WITH PLANTARY GEAR SYSTEM - A surgical instrument for applying a rotational force to a structural element during a surgical procedure. The instrument may be designed for increasing an input force to produce an enlarged output force adequate for fracturing an excess section of the elongated element from a remainder of the structural element. The instrument may include an input mechanism that receives an external rotational input force, a planetary gear system that multiples the input force, and an output mechanism that attaches to and delivers the multiplied rotational output force to the excess section of the structural element. The output mechanism may also be configured to capture the separated excess section. The instrument may include a housing and a handle for grasping and manipulating during the surgical procedure. | 06-05-2014 |
20140163574 | Method And Apparatus For Driving A Member - A method and tool for driving a bit. The tool includes a handle extending along a longitudinal axis between a first end and a second end. The handle can be in a first configuration to provide a first drive ration. In a second configuration, such as a T-shaped configuration, a gear assembly can be disengaged to provide a second drive ratio for the bit driving system. | 06-12-2014 |
20140180298 | INSTRUMENT AND METHOD FOR PROVISIONALLY LOCKING A POLYAXIAL SCREW - An instrument for provisionally tightening a screw body member to a head of a polyaxial bone screw includes a barrel body, an inner shaft, a handle and lever, and a load link assembly. The barrel body includes a distal end with a pair of rotatable tangs configured to engage the screw body member. The inner shaft includes a distal end configured to engage a bushing within the screw body member. The lever pivotally couples to one of the handle and the barrel body. The load link assembly couples to the inner shaft and the lever. Actuation of the lever towards causes the load link assembly to longitudinally displace the inner shaft toward the distal end to contact the bushing and advance the bushing into frictional fit between the screw body member and the head of the polyaxial bone screw. | 06-26-2014 |
20140200587 | DEVICE COMPRISING A PLURALITY OF IMPLANTS FOR THE FIXING OF PROSTHETIC MATERIAL - The device incorporates multiple implants for the attachment of prosthetic equipment, and is characterized by the fact that it incorporates multiple identical implants ( | 07-17-2014 |
20140214045 | AIMING INSTRUMENT - A device for facilitating implantation of an intramedullary nail includes a coupling portion extending from a first end configured to couple to a proximal end of an intramedullary nail to a joint portion and a radiolucent handle coupled to the joint portion and extending distally therefrom along a path which, when the coupling portion is coupled to an intramedullary nail in a desired orientation, extends substantially parallel to a longitudinal axis of a proximal portion of the nail, the radiolucent part including first and second radiopaque markers positioned and oriented so that, when the nail is coupled to the coupling portion in the desired orientation, the first and second markers align with edges of the proximal portion of the nail. | 07-31-2014 |
20140222011 | FLEXIBLE SPRING FASTENER - The present invention relates to a connector including a body having a helix configured to change circumferentially in response to a change in force applied to the connector, the connector characterised in that the helix has at least one portion with a tapered circumference. | 08-07-2014 |
20140222012 | SMART SCREW-DRIVER FOR PREVENTING INADVERTENT SCREW STRIPPING IN BONE - A programmable screw driver and method for affixing screws into bone is disclosed. The screw driver includes a torque sensor for measuring torsional input during screw insertion, a rotational motion sensor for measuring the rotation of the screw driver, and a microprocessor. Once a surgeon rotates a screw to be affixed to the bone, the torque sensor measures the torque and sends this information to the microprocessor. Once a predetermined torque level is attained, the microprocessor begins to measure subsequent rotation of the screw driver until a predetermined rotational limit, thereby causing a signal to be sent to alert the surgeon to stop tightening. | 08-07-2014 |
20140276891 | SCREW DRIVER, COMBINATION, AND RELATED METHODS - An orthopedic implant screw driver includes drive shaft. A first gear is operably coupled to the drive shaft and in meshing engagement with a hollow gear which rotates in response to rotation of the drive shaft. The hollow gear includes a passage defining an inwardly facing screw engagement periphery configured to receive and drivingly rotate a threaded portion of the screw. A method of securing an orthopedic implant to a bone includes positioning a screw within the passage which is configured to drivingly engage a threaded portion of the screw and rotating a drive shaft in driving engagement with the gear causing the gear to engage the screw along the threaded portion of the screw and rotatably drive the screw via the threaded portion. | 09-18-2014 |
20140276892 | DRIVER ASSEMBLY WITH GUIDEWIRE CONTROL MECHANISM - An implant driver assembly includes an assembly for advancing a threaded implant over a wire. The assembly may include a driver tool with a proximal end, a distal end and a first engagement surface that has a first thread. The driver tool may also include a first wire passage. The assembly may further include a wire locking mechanism with a second engagement surface having a second thread. The second thread is engaged with the first thread to rotatably couple the wire locking mechanism with the driver tool. The wire locking mechanism may further include a second wire passage. The second wire passage may be substantially coaxially aligned with the first wire passage. | 09-18-2014 |
20140276893 | Torque Limiting Instrument, System and Related Methods - An instrument for limiting torque can include a method for limiting torque that is transferred from a handle of the instrument through a torque transfer member to a shaft that extends relative to the handle. The method can include applying a torque to the handle along a direction relative to the shaft. The method can include transmitting the applied torque from the handle through the torque transfer member to the shaft when the applied torque is less than a limited torque value. When the applied torque is greater than the limited torque value, at least one of the torque transfer member and the handle deforms so as to allow the handle to rotate along the direction relative to both the torque transfer member and the shaft. | 09-18-2014 |
20140276894 | BONE ANCHORS AND SURGICAL INSTRUMENTS WITH INTEGRATED GUIDE TIPS - Bone anchors and surgical instruments (e.g., bone taps, drivers, etc.) are disclosed herein that include integrated guide tips. Use of these anchors or instruments can eliminate one or more of the steps in a conventional bone anchor installation procedure, improving surgical efficiency and safety. For example, a surgical instrument can include a guide projection configured for insertion through a cannulation formed in a bone anchor when the surgical instrument is coupled to the bone anchor. The surgical instrument can also include various mechanisms for adjusting the position of the guide projection relative to the bone anchor. The guide projection can replace the needle, stylet, and guidewire used in typical insertion procedures. The bone anchor can also include integrated tapping features to eliminate the need for a separate bone tap instrument. Thus, in some embodiments, targeting, tapping, and driving the bone anchor can be performed in a single step. | 09-18-2014 |
20140276895 | TOWER TOOL FOR MINIMALLY INVASIVE SURGERY - A rod reduction tool assembly includes an outer tube with outer tangs for engaging a bone anchor, an inner partially tubular pin support and a threaded cap mated to the outer tube and engaging the inner pin support. | 09-18-2014 |
20140276896 | Instruments for Use During Spine Surgery - Surgical instruments and devices including drivers, inserters, and reducers. The driver includes a ratcheting mechanism configured to provide uni-directional motion when engaged. The inserter includes a rack, pinion, and cam system designed to secure an implant and release an implant in-situ. The reducer includes a geared system for persuading together surgical components and aligning misaligned vertebrae. | 09-18-2014 |
20140288567 | PEDICLE SCREW DRIVER - A pedicle screw driver is provided and includes an inner shaft and outer shell. The shell includes a sidewall defining an inner cavity and has a slot formed on the sidewall. The slot includes a narrowed slot portion. The inner shaft includes a narrowed shaft portion. The narrowed shaft portion is sized to fit through the narrowed slot portion, but not other wider portion of the slot. The shell includes apertures that can permit gas and fluids to access the inner cavity of the outer shell. | 09-25-2014 |
20140316423 | DEVICE FOR HANDLING A BONE SCREW - A device for handling a bone screw to be connected with a vertebral rod includes an essentially cylindrical and hollow housing and an adjustment tool which axially traverses the housing and which has a section provided with an outer threading and is screwed into an internal threading of the housing, wherein the housing is constructed pliers-like and has a first and a second jaw which relative to the user each have a proximal and a distal end, wherein the distal ends engage at the head of the bone screw, wherein the two jaws are pivotably connected with each other via a pivot axis which is situated between the distal and proximal ends and extends orthogonally in relation to the longitudinal axis of the housing, and wherein the internal threading of the housing is provided on a proximal end of a single one of the jaws. | 10-23-2014 |
20140324062 | SCREWDRIVER FOR BONE SCREWS - A screwdriver for actuating bone screws which have a shaft and a fork head for holding a vertebral rot or the like, includes a central shaft, which at its distal end is provided with a formfitting or force-fitting profile for engagement in a corresponding counter profile on the bone screw for turning the bone screw, a distal sleeve which rotatably engages around the shaft and is provided with connecting means for holding the screwdriver on the fork head of the bone screw, a handle provided at the proximal end of the screwdriver and a turn handle which is connected with the distal sleeve, and an adjustment device for axial adjustment of the relative position of the central shaft relative to the distal sleeve in at least two different predefined positions which are adjusted for different sizes and shapes of bone screws. | 10-30-2014 |
20140364861 | Radiolucent Handle System - The present invention relates to the field of medical devices, and more specifically to a radiolucent surgical handle system which utilizes properties of silicone and channel geometry to create a more responsive and stable medical instrument. Channel geometry is utilized to stabilize the outer silicone gripping layer, thus preventing axial, planar, lateral or angular movement of the silicone gripping layer under conditions of torque force during a surgical operation. | 12-11-2014 |
20140364862 | Apparatus And Method for Securing Tissue - An apparatus and method is disclosed for securing tissue to a bone comprising a novel screw anchor for insertion into a bone by a novel rotational driver. The screw anchor and rotation driver enables the screw to be completely embedded into the bone while permitting a suture to be threaded through a transverse aperture in the screw. The rotation driver facilitates insertion and engagement of a capture with one of a series of protuberance formed along a length of a suture. In addition, the method is disclosed of forming the series of protuberance. | 12-11-2014 |
20140364863 | SLEEVE CLAMP - A sleeve clamp has a body with a through bore for receiving a sleeve, and a clamping element. The clamping element includes a clamping edge and may be arranged at the body so as to be movable between two positions, i.e. a neutral position and a deflected position. In the neural position, the clamping edge protrudes laterally into a lumen which is occupied by the sleeve when the sleeve is received in the through bore. In the deflected position, the clamping element may be elastically deformed and the clamping edge does not protrude into the lumen which is occupied by the sleeve when the sleeve is received in the through bore. | 12-11-2014 |
20140371756 | SCREW DRIVER WITH RELEASE FOR A MULTIAXIAL BONE SCREW - A screwdriver with a release for driving a multi-axial bone screw into a vertebra of the spine includes an elongate shaft defining a driving tip at its distal end for engaging and rotating the head of the bone screw. The screw driver includes a screw engagement member affixed to the shaft for joint rotational movement therewith, the screw engagement member comprising a releasable retention member for releasable attachment to the bone screw yoke. A release member is disposed about the elongate shaft comprising a hollow grip sleeve and a hollow push sleeve joined together for common axial movement along the elongate shaft. The grip sleeve is freely rotatable about the shaft and the push sleeve is rotatable relative to the grip sleeve and engaged with a proximal portion of the shaft for joint rotational movement therewith. | 12-18-2014 |
20150025538 | TORQUE-LIMITING SCREWDRIVERS - Various torque-limiting screwdrivers, systems, and methods are disclosed. The screwdriver can include a body supporting a motor configured to rotate a screw engaged with the screwdriver. The screwdriver can include a controller configured to implement torque-limiting functionality, such as by monitoring the amount of torque applied to the screw and reducing or stopping rotation of the screw when certain torque-limiting criteria are met. Some embodiments include a threshold point, after which the torque-limiting functionality can be engaged. Some embodiments include a slowdown point, after which the rotational speed of the screw is reduced. | 01-22-2015 |
20150032116 | SELF-RETAINING DRIVER FOR A BONE SCREW - A driver instrument for engaging and transferring rotational torque to a bone anchor already screwed into a bony structure. The driver instrument may be advanced through an incision while disengaged from the bone anchor and thereafter engaged in a driver socket of the bone anchor. The driver instrument includes an elongate shaft extending distally from a handle, a tapered distal tip, and a driver engagement feature located proximally of the tapered distal tip. The tapered distal tip and the driver engagement feature are configured such that the longitudinal rotational axis of the driver instrument automatically moves into parallel alignment with the longitudinal rotational axis of the bone anchor as the driver engagement feature of the driver instrument is advanced into the driver socket of the bone anchor. | 01-29-2015 |
20150038976 | NONINVASIVELY ADJUSTABLE SUTURE ANCHORS - In one embodiment, an adjustable implant system includes a bone anchor having first and second ends, a bone engagement surface adjacent the first end, and a housing extending between the first and second ends. The adjustable implant system can further include a non-invasively actuatable driving element within the housing and coupled to an adjustment component configured to couple to a flexible elongate tension member which is capable of engaging a patient's soft tissue (e.g., rotator cuff or ACL). Non-invasive actuation of the driving element can cause the adjustment component to change the amount of tension on the flexible elongate tension member and consequently on the patient's soft tissue. The adjustable implant system can include an external adjustment device configured to be placed on or adjacent the patient's skin and comprising at least one energy transferring component configured to energize/actuate the driving element inside the housing of the adjustable implant. | 02-05-2015 |
20150066042 | MINIMALLY INVASIVE DEVICES AND METHODS FOR DELIVERING FIXATION DEVICES AND IMPLANTS INTO A SPINE - Devices and methods are provided for assisting with spinal stabilization. One or more spinal stabilization systems can be coupled to one or more tower access devices for delivery to target locations in a patient. The spinal stabilization systems can include a bone screw, a housing for the bone screw and a spinal rod. A screw delivery device can be inserted through the tower access device and used to anchor the bone screws to the spine. A rod delivery device can be used to insert the rod along the tower access devices to the housings. A rod reducer can thread onto the tower access device and urge the rod into position. A hinge can couple two tower access devices at a desired lateral spacing while allowing some pivotal movement of the access devices. Systems, kits, and methods combining and utilizing the aforementioned devices are also provided. | 03-05-2015 |
20150073427 | BONE SCREW RETAINING AND REMOVAL SYSTEM - A bone screw retention system is provided for a plate which defines a plurality of transversely extending bores that are configured to receive a hone screw for engaging the plate to the cervical spine. One or more retention members, having an elliptical, arcuate, straight, or other shape, can be positioned therein a cavity of the plate such that portions of the retention member(s) extend into a portion of an upper region of each bore to retain a bone screw therein. A bone screw removal device is provided, having at least one tongue member configured to selectively displace the one or more retention members to allow the bone screw to be removed from the respective bore. | 03-12-2015 |
20150105788 | METHOD AND AN APPARATUS FOR SCREW REMOVAL - A method and an apparatus for screw removal from bone plates used in osteosynthesis. The method includes the steps of: performing an incision in the soft tissue surrounding an implanted bone screw having a screw head inserted in an elongated plate hole of a bone plate; positioning an expandable tip of the apparatus in a portion of the plate hole which is not occupied by the bone screw and in the proximity of the screw head of the bone screw, wherein the expandable tip is in an unexpanded position; and widening the plate hole in a lateral direction essentially perpendicular to a major axis of the elongated plate hole by expanding the expandable tip of the apparatus from the unexpanded position to an expanded position. | 04-16-2015 |
20150112355 | ANTI-UNSCREWING AND MULTI-ANGULAR FASTENING APPARATUSES AND METHODS FOR SURGICAL BONE SCREW/PLATE SYSTEMS - A fastening apparatus includes a fastener and a fastener receiving member, the apparatus enabling the fastener to be affixed to the fastener receiving member at a variable insertion angle selected by the user and providing an anti-unscrewing feature. The fastener includes an elongate section and an adjoining head section having a slot therein. The fastener receiving member includes one or more apertures having a contact region through which one or more corresponding fasteners can be inserted. The contact region includes a matrix of protrusions having a density and strength sufficient to render contact region tappable by the thread of the head section of the fastener. The thread on the head section is driven into the contact region at the selected insertion angle. As a result, the protrusions project into the at least one slot preventing the fastener from backing out from fastener receiving member. A fastener driver is also disclosed. | 04-23-2015 |
20150142004 | PEDICLE SCREW EXTENSION SYSTEM - The pedicle screw extension system may include a removable cannulated extension provided to a pedicle screw tulip head. The cannulated extension may permit percutaneous implantation of pedicle screws followed by rod placement that may be guided by slots running along the length of the extension. The cannulation may allow for passage and attachment of secondary instruments, such as for example: a screw driving device, a rod measuring device, and a set screw driving device. The screw extension may also include secondary device attachment features allowing the rod to be pushed down in a screw tulip head and for extension removal as needed. | 05-21-2015 |
20150297357 | APPARATUS AND METHOD FOR BONE SCREW DEPLOYMENT - Implementations described and claimed herein provide a bone anchor deployment device. In one implementation, the bone anchor deployment device includes a flexible shaft adapted to bend along a deployment trajectory. A socket at the distal end of the flexible shaft is adapted to retain a bone anchor in a non-coaxial position. The bone anchor deployment device further includes a guide shaft having a lumen and a distal tip and an elongated tube extending through at least a portion of the guide shaft lumen and protruding from the distal tip of the guide shaft. A guide passage extends through a lumen of the elongated tube, and a channel is formed from a surface at a distal end of the guide passage. The channel is oriented at an angle relative to the guide passage and is adapted to cause the flexible shaft to bend. | 10-22-2015 |
20150305793 | AN INSTRUMENT FOR EXTRACTING A PIN - An instrument for extracting a pin from a substrate, such as a bone mass, which comprises a first lever arm with a body part having a channel in which a free end of a pin can be received, a second lever arm which can pivot relative to the first lever arm, a gripping member within the body part by which the pin can be gripped to retain the pin in the channel, and a terminating member mounted on the body part having an end face and two side walls which extend along opposite sides of the body part. The terminating member has a slot provided in a portion of the end face and which extends along a portion of at least one of the two side walls configured to guide the free end of the pin into the instrument prior to being received into the channel. | 10-29-2015 |
20150327905 | SURGICAL, TORQUE-TRANSFERRING INSTRUMENT INCLUDING AN ASSOCIATED TOOL - A surgical instrument includes a handpiece to which a handpiece shaft can be flanged, and a tool mounting for receiving a tool which can be rotatably supported in the handpiece shaft for axially securing the tool in the tool mounting and for transferring a torque to the tool. The tool mounting includes a sleeve-shaped entrainment shaft with a plug-in zone for a torsion rod and torque transmission and axial locking zones for the tool. The tool mounting also includes a closure sleeve surrounding the entrainment shaft that includes a distal blocking section which acts on the axial locking zone of the entrainment shaft for axially locking and releasing the tool, and a proximal arresting section acting on the plug-in zone of the entrainment shaft for arresting the tool mounting on the torsion rod to transfer torques and axial forces and for releasing the tool mounting from the torsion rod. | 11-19-2015 |
20150335371 | Bone Fixing Screw Template and Method for Producing Same - A bone fixing screw template is a combination of a template body (A) integrally constituted by a fitting section ( | 11-26-2015 |
20150342658 | MEDICAL APPARATUS, AND SURGICAL METHOD - A method for automated implantation of an implant or for an automated augmentation process of hard tissue and/or hard tissue replacement material using a sheath element is provided. The implantation apparatus includes a casing, a converter operable to generate mechanical vibrations the converter inside the casing and displaceable in a longitudinal direction relative to the casing, and a sonotrode coupled to an output location of the converter. A shaft portion with a retention structure is rotationally coupled to the casing and is equipped for cooperating with a rotationally asymmetric element of the sheath element to rotationally couple the casing to the sheath element. An axial coupling is equipped for locking the casing to the sheath element. The shaft portion, the axial coupling and the sonotrode are mutually arranged so that the distal end of the sonotrode may be introduced into a longitudinal opening of the sheath element. | 12-03-2015 |
20150351819 | Surgical Screwdriver - Various embodiments include a device for driving a fastener into tissue, including a handle having a first and second end. A shank extends from the first end of the handle and terminates in a head. An inertial measurement unit (“IMU”) is disposed at the second end of the handle. At least one torque sensor is incorporated in the device. At least one of an indicator or a transmitter is operably coupled to the IMU and the torque sensor. A method of driving a fastener into a tissue with a driver includes recording a previous state and a current state, and using the previous state and current state to predict mechanical properties of the tissue and the optimal torque to be applied. In various embodiment the device predicts a future state of the fastener. The driver notifies the user if the optimal torque has been reached or whether another state has been detected. | 12-10-2015 |
20150359572 | SINGLE ACTION LOCKING PEDICLE SCREWDRIVER - An instrument for attaching a driver shaft to a screw assembly using a thrusting motion. The instrument has a main shaft, a locking tube, and a driver shaft. The locking tube is slidably mounted within the main shaft and the driver shaft is slidably mounted within the locking tube. The locking tube is configured to urge a jaw assembly of the instrument into a tensioned engagement with a body member of the screw assembly. A locking mechanism is also included and is configured to lock the driver shaft in a fixed position relative to the locking tube. The locking mechanism may be configured to lock the driver shaft with respect to the locking tube after a distal end of the main shaft engages the screw assembly using the single action. | 12-17-2015 |
20160030100 | Methods and Devices for Spinal Screw Insertion - Surgical instruments and methods for delivering bone anchor assemblies into bone are disclosed herein. Use of these anchors or instruments can eliminate one or more of the steps in a conventional bone anchor installation procedure, improving surgical efficiency and safety. In general, a surgical instrument can include a handle assembly having an elongate shaft extending distally therefrom. The handle assembly can be configured to axially translate a stylet extending therethrough relative to a bone anchor assembly coupled to the elongate shaft, and it can be configured to move the stylet proximally in response to distal advancement of a bone anchor assembly into bone. The surgical instruments can include various mechanisms for adjusting the position of the stylet. | 02-04-2016 |
20160038210 | UNIVERSAL BONE SCREW SCREWDRIVER - The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver comprises a handle that is adapted to removeably receive an elongated tool bit having a hollow center. The elongated tool bits correspond to the screw heads of different manufacturers. The universal bone screwdriver further comprises a torque limiting and locking spring to secure the elongated tool bit to the handle and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be. | 02-11-2016 |
20160058487 | METHOD AND APPARATUS FOR ORTHOPEDIC FIXATION - A dual reconstructive wire system for use with an anatomy can include a first guide wire, a second guide wire, a first guide instrument, a first cannulated insertion instrument, and a second cannulated insertion instrument. The first guide wire can pass through the first cannulated insertion instrument such that a first end and a second end of the first guide wire extends beyond the first end and the second end, respectively of the first cannulated insertion instrument. The second guide wire can pass through the second cannulation insertion instrument such that a first end and a second end of the second guide wire extends beyond the first end and the second end, respectively of the second cannulated insertion instrument. | 03-03-2016 |
20160066966 | PEDICLE SCREW EXTENSION SYSTEM - The pedicle screw extension system may include a removable cannulated extension provided to a pedicle screw tulip head. The cannulated extension may permit percutaneous implantation of pedicle screws followed by rod placement that may be guided by slots running along the length of the extension. The cannulation may allow for passage and attachment of secondary instruments, such as for example: a screw driving device, a rod measuring device, and a set screw driving device. The screw extension may also include secondary device attachment features allowing the rod to be pushed down in a screw tulip head and for extension removal as needed. | 03-10-2016 |
20160074071 | METHODS OF USING WOVEN RETENTION DEVICES AND SYSTEMS - A method of inserting a woven retention device into a bone hole includes providing a woven retention device with a tapered distal end and a proximal end to receive a fastener, providing a delivery tube with distal and proximal openings, and providing a push rod to push the woven retention device through the distal opening of the delivery tube. The delivery tube includes a compression portion over at least a distal end of the delivery tube. The method also includes positioning the distal opening of the delivery tube near an opening of the bone hole and advancing the woven retention device through the compression portion of the distal opening of the delivery tube and into the bone hole by pushing on an interior of the tapered distal end of the woven retention device using the distal end of the push rod. | 03-17-2016 |
20160074072 | WOVEN RETENTION DEVICES, SYSTEMS, PACKAGING, AND RELATED METHODS - A kit for implanting a woven retention device into bone includes a woven retention device, a delivery tube, and a push rod. The woven retention device includes a distal end that is tapered to a distal tip, a proximal end for receiving a fastener, and a sleeve body between the distal and proximal ends. The delivery tube includes distal and proximal openings, and a compression portion over at least a distal end of the delivery tube. The push rod can be slideably received within the delivery tube and has a distal end for pushing the woven retention device through the distal opening of the delivery tube. | 03-17-2016 |
20160095641 | SINGLE PROCEDURE TORQUE LIMITER - A torque limiting tool is described. The tool comprises a torque limiting mechanism that drives a shank about a rotational axis. The torque limiting mechanism comprises a plurality of opposed first and second gears having a plurality of outwardly extending first and second gear prongs. The plurality of first and second gear prongs extends outwardly at an inclined angle along an intermediate prong portion from a prong proximal end positioned along the disc sidewall surface to a prong distal portion. Each of the prong distal portions comprises a plateau portion that extends about parallel with the disc sidewall surface and resides at a distance away from the sidewall surface of the respective first and second discs. The mechanism is constructed such that toque is transferred therebetween when the respective intermediate portions of the opposed first and second prongs are in physical contact. When an upper torque limit is exceeded, either of the respective first and second prongs deflect, thus causing the other of the first or second prong to ride along the deflected ramp surface of the intermediate prong portion until the first and second prongs disengage. | 04-07-2016 |
20160100876 | SCREW HOLDER TO HOLD TINY SCREWS FOR APPLICATION ON BONE & CRANIUM DURING NEUROSURGERY - This invention relates to a screw holder to hold tiny screws for application on bone & cranium during neurosurgery comprising of a handle integrally connected with an expandable tip for holding screw, wherein the tip comprising of a slit and a hole. It is associated with the following advantageous features:
| 04-14-2016 |
20160113644 | Biceps Tenodesis Delivery Tools - Methods and devices are provided for anchoring a ligament or tendon to bone. In particular, various delivery tools, including a variety of sheath inserter tools, are provided. The tools can be used to position a tendon within a prepared bone hole, and to deliver a sheath into the bone hole. | 04-28-2016 |
20160113757 | Biceps Tenodesis Implants and Delivery Tools - Methods and devices are provided for anchoring a ligament or tendon to bone. In one embodiment, a surgical implant is provided having a sheath and an expander that is received within the sheath. Various delivery tools, including a sheath inserter and a driver, are also provided. In use, the sheath inserter can be used to position a tendon within a prepared bone hole, and it can be used to deliver the sheath with a guidewire coupled thereto into the bone hole. The driver can be provided for delivering the expander into the sheath. A loader can optionally be used to load the driver and expander onto the guidewire coupled to the implanted sheath. | 04-28-2016 |
20160128744 | Femoral Neck Fracture Implant - A device for implanting a bone fixation system comprises an insertion instrument extending from a proximal end to a distal end, the distal end having an engagement portion for removably engaging a proximal end of a bone plate, the insertion instrument having an elongated channel extending therethrough to permit insertion of a first protection sleeve therethrough, wherein a longitudinal axis of the elongated channel is coaxial with a longitudinal axis of a first opening extending through the bone plate and a first protection sleeve insertable into the elongated channel and guiding insertion of an anti-rotation screw therethrough and through the bone plate, a longitudinal axis of the first protection sleeve being angled with respect to the longitudinal axis of the elongated channel. | 05-12-2016 |
20160135856 | BONE ANCHORS AND SURGICAL INSTRUMENTS WITH INTEGRATED GUIDE TIPS - Bone anchors and surgical instruments (e.g., bone taps, drivers, etc.) are disclosed herein that include integrated guide tips. Use of these anchors or instruments can eliminate one or more of the steps in a conventional bone anchor installation procedure, improving surgical efficiency and safety. For example, a surgical instrument can include a guide projection configured for insertion through a cannulation formed in a bone anchor when the surgical instrument is coupled to the bone anchor. The surgical instrument can also include various mechanisms for adjusting the position of the guide projection relative to the bone anchor. The guide projection can replace the needle, stylet, and guidewire used in typical insertion procedures. The bone anchor can also include integrated tapping features to eliminate the need for a separate bone tap instrument. Thus, in some embodiments, targeting, tapping, and driving the bone anchor can be performed in a single step. | 05-19-2016 |
20160135862 | CURVED SURGICAL TOOLS - Surgical tools having curved shapes for accessing a surgical site through an access channel are disclosed. The curved surgical tools can include a tip that is aligned and/or parallel with the handle to help transmit forces. Some embodiments of the surgical tool include a flexible member extending through a hollow surgical tool to transmit rotational motion from the handle to the tip. Methods of using the curved surgical tools are also disclosed. | 05-19-2016 |
20160143682 | SURGICAL TORQUE LIMITER - The present application relates to a torque limiter ( | 05-26-2016 |
20160151102 | SURGICAL TACK DELIVERY SYSTEM, METHOD AND KIT | 06-02-2016 |
20160166304 | Bone Anchor Driver and Methods | 06-16-2016 |
20160249965 | SELF-RETAINING DRIVER FOR A BONE SCREW | 09-01-2016 |
20170231670 | POLYAXIAL SCREWDRIVER FOR A PEDICLE SCREW SYSTEM | 08-17-2017 |
20170231671 | Slotted Augmentation Sleeve | 08-17-2017 |