Entries |
Document | Title | Date |
20080208257 | Angularly Stable Device for Mutually Fixing a Longitudinal Carrier with A Bone Fixation Element | 08-28-2008 |
20080234745 | Self-Aligning Attachment Devices and Methods for Attaching an Elongated Member to a Vertebral Member - The present application is directed to a device for connecting an elongated member within a patient. The device includes a body with a receiving section to receive the elongated member, and an engagement section to engage a support structure, such as a vertebral member. The receiving section is sized to receive the elongated member in a first orientation. The process of securing the elongated member within the receiving section causes the device to pivot about the elongated member to a second orientation. This pivoting motion causes the engagement section to more securely attach to the support structure. | 09-25-2008 |
20080234746 | Spinal stabilization device - A flexible connection unit for use in a spinal fixation device, including: a first end portion and a second end portion, at least one of the first end and second end configured to be engagable by a section of a first bone securing member; a flexible member located between the first and second ends, the flexible member permitting motion of the first end relative to the second end; and a transition area located between the first end and the flexible member, the transition area tapering in diameter from a first section of the transition area proximate to the first end toward a second section of the transition area proximate to the flexible member. | 09-25-2008 |
20080243190 | IN-LINE ROD REDUCTION DEVICE AND METHODS - The present invention provides methods and devices for placing a spinal fixation rod into a rod receiving opening in a spinal anchor and installing a fastener to secure the rod to the spinal anchor. In one embodiment, the system can include a cap having a bore extending therethrough, an elongate drive rod that is adapted to extend through the bore, and a fastener that is disposed on a distal portion of the drive rod. The cap can include a driving element that is adapted to cooperate with a complementary driving element disposed on the rod to form a driving mechanism. Actuation of the driver mechanism can be effective to advance the drive rod through the cap to thereby reduce a spinal rod into a rod receiving opening of the spinal anchor and install the fastener to secure the rod to the spinal anchor. | 10-02-2008 |
20080249571 | REPLACEMENT FACET JOINT AND METHOD - Prostheses and methods for repair of a cervical fact joint. The articulating surfaces of the natural facets of the facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis. | 10-09-2008 |
20080262553 | SPINAL CONNECTOR - A spinal connector includes a first seat having a first opening for coupling to a first spinal connecting member along a first longitudinal axis and a second seat having a second opening for coupling to a second spinal connecting member along a second longitudinal axis. The second longitudinal axis is substantially coaxial to the first longitudinal axis for connecting the first and second connecting members end to end. The spinal connector also includes a ball enclosure rotatably received in the second opening of the second seat. The ball enclosure defines a bore along the second longitudinal axis and articulates with the second opening for allowing change of orientation of the second connecting member relative to the first connecting member. | 10-23-2008 |
20080262554 | Dyanamic rod - A dynamic rod implantable into a patient and connectable between two vertebral anchors in adjacent vertebral bodies is provided. The dynamic rod fixes the adjacent vertebral bodies together in a dynamic fashion providing immediate postoperative stability and support of the spine. The dynamic rod comprises a first rod portion having a first engaging portion and a second rod portion having a second engaging portion. The first and second rod portions are connected to each other at the first and second engaging portions. The dynamic rod further includes at least one bias element configured to provide a bias force in response to deflection or translation of the first rod portion relative to the second rod portion. The dynamic rod permits relative movement of the first and second rod portions allowing the rod to carry some of the natural flexion and extension moments that the spine is subjected to. | 10-23-2008 |
20080275507 | Facet Joint Replacement - A facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The inferior implant may comprise an inferior strut, and a polyaxially adjustable, lockable mechanism which couples the inferior articular surface with a first end of the inferior strut. A second end of the inferior strut may be secured to a polyaxially adjustable, lockable fixation assembly securable in a vertebra. The first end of the inferior strut may be post-shaped, and the second end ring-shaped, and vice versa. The superior implant may be secured to a polyaxially adjustable lockable fixation assembly securable in a vertebra. Inferior and superior implants may be implanted individually, paired on one lateral vertebral side, bi-laterally, and/or in multiple vertebral levels. A crosslink may be secured to one implant and extend across a vertebral sagittal plane to a second implant. A clip may align the articular surfaces during implantation. | 11-06-2008 |
20090018586 | Spinal Cross-Connector - A spinal cross-connector is configured for adjustable connection between spinal fixation devices such as spinal fixation rods and allows for adjustment in length or distance between adjacent spinal rod clamping members and provides independent rotational adjustment of the two spinal rod clamping members for individual and independent attachment thereof to adjacent spinal rods of a spinal rod assembly. The cross-connector has first and second connection members that are adjustable in length and rotation relative to one another. A first spinal rod clamping member is provided on an end of the first connection member and defines first and second arced jaws that are adapted to clamp onto a first spinal rod. A second spinal rod clamping member is provided on an end of the second connection member and defines first and second arced jaws that are adapted to clamp onto a second spinal rod. Both the first and second clamping members are rotatable relative to the connection arms and thus provide the rotational adjustment. The individual and independent rotational adjustment of the spinal rod clamping members allows the present cross-connector to adjust to variations in skew between adjacent spinal rods as well as provide the ability to attach to the adjacent spinal rods at various angles between the adjacent spinal rods. | 01-15-2009 |
20090036928 | DUAL ROD CROSS CONNECTORS AND INSERTER TOOLS - An implantable spinal cross connector is provided for connecting one or more spinal fixation devices, and more preferably for connecting two spinal fixation rods that are implanted within a patient's spinal system. In general, an exemplary cross connector in accordance with the present invention includes an elongate body with at least one rod-receiving recess formed therein, and a locking mechanism that is adapted to couple to the elongate body and that is effective to lock a spinal fixation rod within the rod-receiving recess(es). The present invention also provides an inserter tool to facilitate implanting a spinal implant or device, such as a spinal cross connector. | 02-05-2009 |
20090036929 | Offset connector for a spinal stabilization rod - An offset connector implantable into a patient and connectable between a vertebral anchor a spinal stabilization rod is provided. The offset connector for connecting a spinal stabilization rod to a bone anchor system is laterally displaced relative to the rod and movable with respect to the bone anchor system until positioned and locked in place. The offset connector includes a stem configured for attachment to the bone anchor system and a rod-receiving portion connected to the stem. The rod-receiving portion is configured to receive at least a portion of the spinal stabilization rod at a location displaced from the bone anchor system. A fastener mechanism configured to secure the spinal stabilization rod to the rod-receiving portion is also provided. | 02-05-2009 |
20090043338 | VERTEBRA CONNECTION MEMBER AND NUT DRIVER - A vertebra connection member has: a screw member that is screwed in a vertebra; a connector member that connects a rod and the screw member; a first nut member that fixes the screw member and connector member; a second nut member that prevents the loosening of the first nut member; and a fixing member that fixes the rod and connector member. The first and second nut members are formed to have a cylindrical shape; and engagement concave portions of a concave curved shape are formed in the outer peripheral surface of the nut members from the rear ends in the screw-in direction to the front ends in the screw-in direction, in the direction in which the nut members are screwed onto the second male portion. | 02-12-2009 |
20090043339 | UNIVERSAL TRANSVERSE CONNECTOR DEVICE - A connecting apparatus includes a first grasping member adapted to hold a first elongated member and a second grasping member adapted to hold a second elongated member. The second grasping member is operatively connected to the first grasping member so that the first and second grasping members are movable relative to each other. The apparatus further includes a first rotatable rod disposed in mechanical cooperation with the first grasping member, a second rotatable rod disposed in mechanical cooperation with the second grasping member, a first engaging member operatively connected to the first rotatable rod, and a second engaging member operatively connected to the second rotatable rod. The first engaging member is adapted to engage at least a portion of a first pedicle screw. The second engaging member is adapted to engage at least a portion of a second pedicle screw. | 02-12-2009 |
20090062858 | Methods and instruments for approximating misaligned - Methods and instruments are provided for connecting a rod extending along a patient's spinal column to a misaligned vertebra. The method comprises implanting a bone anchor in the misaligned vertebra, attaching an approximating device to the implanted bone anchor and rod, approximating the vertebra toward the rod using the approximating device, and connecting the rod to the bone anchor on the approximated vertebra. In certain embodiments the approximating device may include a winch mechanism. In other embodiments the approximating device is a cannula used in conjunction with a guide system. | 03-05-2009 |
20090062859 | Method and system for securing a rod to a bone anchor with a connector - A rod anchoring system including a bone anchor and a connector is provided. The connector of the rod anchoring system is configured to be inserted in one orientation and then transitioned to a second orientation to connect the rod to the anchor. The bone anchor includes a detachable extension shaft that acts a guide for inserting the connector. In use, once the bone anchor has been implanted at a target site on a vertebra, the connector is placed onto the extension shaft and slid along its length in a first orientation to insert the connector. Once the connector is at the implant site, it is transitioned from the first orientation to the second orientation to connect the rod to the anchor. | 03-05-2009 |
20090062860 | Spinal fixation implants - The present invention provides an implant that can be inserted on top of a previously placed spinal fixation element. The implant includes a bone anchor and a connector body. The bone anchor includes a proximal head and a distal shaft extending along a longitudinal axis configured to engage bone. The connector body is configured to engage the proximal head of bone anchor and engage a spinal fixation element offset from longitudinal axis of the bone anchor shaft. Because, the implant is inserted over the spinal fixation element, direct visualization of the surgical site is available during insertion. In addition, the implant may provide tactile or audible feedback indicating that the spinal fixation element has been engaged by the implant. | 03-05-2009 |
20090062861 | Spanning connector for connecting a spinal fixation element and an offset bone anchor - A spanning connector for connecting an offset bone anchor to a previously inserted spinal fixation element and method of use is provided. The spanning connector includes a first connecting mechanism for connecting the spanning connector to the bone anchor, and a second connecting mechanism for connector the spanning connector to the previously inserted spinal fixation element. The spanning connector also includes a connector body for coupling the first connecting mechanism and the second connecting mechanism. Embodiments of a spanning connector may also reduce a separation distance between the bone anchor and the spinal fixation element. Embodiments of a spanning connector are configured, sized and dimensioned for use in a minimally invasive surgical technique, such as a rod-first spinal surgical technique. | 03-05-2009 |
20090105765 | SPINAL ROD CROSS CONNECTOR - A cross connector assembly is provided. In one embodiment, the cross connector is configured to engage a pair of rods in a spinal implant assembly. In an exemplary embodiment, the cross connector assembly includes at least one elongated top member having a pair of hooked-shaped ends and a pair of sliding members configured to slideably engage the at least one elongated top member. The cross connector may further include an upper fastener and a lower fastener engaged with the upper fastener configured to translate upon rotation of the upper fastener and engage the sliding members, biasing them from a first position to a second position. | 04-23-2009 |
20090138049 | Vertebral Rod Assemblies and Methods - A vertebral rod assembly with first and second members that may rotate about a first axis. Each of the first and second members includes a base and a vertebral support rod extending from the base. An extension extends from the base on the first member into an opening formed in the base of the second member. A ring is sized to extend around the extension. A fastener engages with the ring to lock the first and second members, and to prevent relative rotation between the first member and second member. | 05-28-2009 |
20090149887 | BONE SUPPORT APPARATUS - An apparatus for connecting a bone anchor to a support rod includes a connector body and a cap. The connector body has a channel to receive and locate the support rod relative to the bone anchor. The cap is moveable longitudinally into a partially installed position in the channel, and snaps into non-threaded engagement with the connector body by rotating from the partially installed position to an installed position without moving axially relative to the connector body. In some embodiments, a sleeve fits over a socket portion of the connector body in a temporary position in which the sleeve permits insertion of the bone anchor into the socket. The sleeve engages the connector body so as to be restrained from axial and rotational movement relative to the connector body when in the temporary position. Tools are provided for installing the connector body, sleeve, cap, and support rod. | 06-11-2009 |
20090157120 | SPINAL TRANSVERSE CONNECTOR - Disclosed is a spinal transconnector device for coupling longitudinal spinal rods on either side of the mid-sagittal plane. The device includes two interconnected rod engagement elements, a first rod engagement elements having a vaulted surface adapted to secure to a first longitudinal spinal rod via an interference fit comprising compression of the first longitudinal spinal rod against the generally vaulted surface; and an interference pin that advances into a bore of the first rod engagement element forming an interference fit between the interference pin and the rod engagement element. The interference fit can be associated with elastic deformation of the first rod engagement element occurring as a consequence of the interference pin being advanced through the bore in the engagement element and contacting a surface of the first longitudinal spinal rod. | 06-18-2009 |
20090182381 | Spinal Osteosynthesis Device and Preparation Method - A spinal internal implantation device for osteosynthesis has one or more bars for supporting for moving the spine and at least one implant for connecting the bars and vertebrae. The implant includes a blown anchor attached to a body of the implant and a fixation arrangement for the bars. The fixation arrangement includes a clamp for clamping the bar against internal walls of a channel formed in the body of the implant. At least part of the length of the bars includes a transversal bearing structure that is a cross-section of the bars having at least one flat part of a part having a lower forepost convexity than the rest of the cross section. | 07-16-2009 |
20090204156 | AUTOMATIC LENGTHENING BONE FIXATION DEVICE - A bone fixation device adapted to be coupled to bone anchors that allows movement of rods to permit a screw-rod construct to lengthen in response to bone growth without necessitating post surgical installation adjustment of the device. The bone fixation device includes a locking mechanism that is operably associated with a housing to allow relative movement of a rod and a housing in a first direction and inhibiting relative movement of the rod and the housing in a second direction. | 08-13-2009 |
20090259259 | Helical wound mechanically interlocking mating guide and advancement structure - A structure including a pair of helically wound interlocking forms located on a cylindrical closure for an open headed medical implant and in a receiver between arms of the implant respectively. The interlocking forms each include overlapping gripping elements that engage mating elements during assembly to prevent radial splaying of arms of the implant. | 10-15-2009 |
20090275986 | FLEXIBLE SPINAL STABILIZATION ELEMENT AND SYSTEM - Systems and devices for providing dynamic stabilization of one or more spinal motion segments are provided. The systems include a connecting element between two or more bone anchor assemblies that can be attached to two or more vertebral bodies of at least one spinal motion segment. The connecting element includes a first end, a second end, an intermediate resilient element and a sheathed tether extending from the first end to the second end and through the resilient intermediate element. | 11-05-2009 |
20090281575 | Tethering Devices and Methods to Treat a Spinal Deformity - The present application is directed to tethering systems that provide a corrective force to one or more vertebral members. The tethering systems may include an elongated member with first and second sections. The sections are displaceable relative to each other to increase a length of the elongated member. The first section may be attached to a first vertebral member, and a second section may be attached to a second vertebral member. At least one tether may be attached to the elongated member. The tether may include a length to be attached to the first and second sections, and to a third vertebral member that is positioned between and laterally offset from the first and second vertebral members. The length of the elongated member may increase thus causing the tether to apply a corrective force to the third vertebral member. | 11-12-2009 |
20090287252 | Connecting Element and System for Flexible Spinal Stabilization - An elongated connecting element and system for dynamic spinal stabilization is disclosed. The connecting element and system provides for resistance to shear forces applied to the connecting element as well as provides for rotational stability of a resilient intermediate element disposed between two end members. | 11-19-2009 |
20090287253 | POLYAXIAL SCREW SYSTEM - A polyaxial screw system includes a drive cap having a partition wall with a first side and an opposing second side, a passage extending through the partition wall. A sleeve projects from the second side of the partition wall, the sleeve and partition wall bounding a socket. A shaft outwardly projects from the first side of the partition wall. A screw has a threaded portion and a head formed on an end thereof. The head of the screw is at least partially disposed within socket of the drive cap. A collet is at least partially disposed within the socket of the drive cap. At least a portion of a compression cap movably extends through the opening in the partition wall so that the compression cap can selectively move the collet relative to the drive cap. | 11-19-2009 |
20090287254 | Ilio-Sacral Connector System and Method - A system and method for anchoring a connector to a bony portion of a spinal column is provided. The connector is engaged to the spinal column with an anchor. The connector receives an elongate connecting element that extends along two or more vertebrae of the spinal column. The connector includes an eyelet portion that houses a retaining member through which the anchor extends. The retaining member allows movement of the connector relative to the anchor prior to engagement of the connecting element to the connector. When the connecting element is engaged to the connector, the connector is fixed relative to the anchor and the retaining member. | 11-19-2009 |
20090299413 | TRANSVERSE ROD CONNECTORS WITH OSTEOCONDUCTIVE MATERIAL - The present application is directed to transverse connectors that connect first and second vertebral rods that extend along the spine. In one embodiment, the transverse connector includes an elongated base with a first receiver at a first section of the base to receive the first vertebral rod, and a second receiver at a second section of the base to receive the second vertebral rod. Osteoconductive material is positioned on at least the first receiver. | 12-03-2009 |
20090318973 | BONE FIXING DEVICE - The invention concerns a bone fixing device ( | 12-24-2009 |
20100010545 | Device having universal coupling linkage for stabilizing vertebrae - A device having a universal coupling linkage for stabilizing vertebrae is developed that is comprising: a first link integrally forming a hook-shaped end to engage the connecting rod, a first flat top surface with first thread hole, a sink-down middle portion, an uprising wall in a right angle, an inner flat top surface adjacent to inner end with a central thread hole, a mounting cavity formed at the uprising wall and a circumference edge seat; a second link integrally forming a second hook-shaped end to engage the connecting rod, a second flat top surface adjacent to the outer end with a second thread hole, a sliding rod at opposite end; a swivel forming a plurality of slits for squeezing, a through-hole for inserting the sliding rod to adjust a clearance between the first and second connecting rods; a plurality of plug bolts and thread holes for depressing the connecting rods and the swivel. | 01-14-2010 |
20100023061 | LOCKING MECHANISM WITH TWO-PIECE WASHER - Locking mechanisms and methods of fixation, such as the fixation of a fixation device like a bone screw and of a rod to the spine. The locking mechanism includes a body, a rod seat and a set screw. The rod seat is configured to separate into two pieces when the rod exerts force on the top portion of the washer and the set screw limits movement of the washer toward the bottom of the locking mechanism. | 01-28-2010 |
20100063546 | OFFSET VERTEBRAL ROD CONNECTOR - The present application is directed to connectors for attaching a vertebral rod to an anchor. The connectors may include a body with a first channel to receive the vertebral rod and a second channel to receive the anchor. A cradle may be positioned in the body to contact the vertebral rod. The cradle may be pivotally positioned in the body to accommodate a vertebral rod that is at various angular positions within a predetermined plane. A set screw may engage with the body to secure the vertebral rod to the body and the body to the anchor. | 03-11-2010 |
20100063547 | DYNAMIC MOTION SPINAL STABILIZATION SYSTEM AND DEVICE - A dynamic motion component for a spinal implant is provided, comprising a first rod coupled to an enclosure and a second end of a second rod captured in a cavity of the enclosure. A dampener unit surrounds a captured portion of the second end and is positioned between the first end and the second end. In response to pivotal or translational movement of the second rod relative to the first rod, the dampener unit is compressed against one or more inner surfaces of the cavity to provide for progressive resistance of movement of the second rod. | 03-11-2010 |
20100069964 | DYNAMIC FIXATION SYSTEM - The present invention is directed to a dynamic fixation system for engaging, via bone fixation elements, one or more parts of a patient's body. Preferably, the dynamic fixation system is used to engage one or more vertebrae for stabilizing the attached vertebrae with respect to one another while still permitting the vertebrae to move with respect to one another. The dynamic fixation system may include a first rod having first and second ends, a second rod having first and second ends, and a damping component and/or a damping mechanism for interconnecting the first and second rods. In one embodiment, the damping component is injection molded in-between the one of the ends of the first rod and one of the ends of the second rod so that the first and second rods are prevented from separating with respect to one another but are still permitted to move with respect to one another. | 03-18-2010 |
20100087867 | FASTENER ASSEMBLY THAT FASTENS TO PEDICLE SCREW - A fastener assembly including an installed pedicle screw including a fastener head to which a prosthetic member is secured, a fastening portion fastened to the fastener head over the prosthetic member, and a connector element that extends from the fastening portion, the connector element being connected to another spinal structure. | 04-08-2010 |
20100114172 | ANCHOR ASSEMBLIES FOR SECURING CONNECTING ELEMENTS ALONG A SPINAL COLUMN - Devices and methods that securely engage an elongated connecting element in a receiver of an anchor assembly are provided. The anchor assembly includes an anchor member engageable to bony structure and the receiver includes a passage for receiving the connecting element when the connecting element is positioned along the bony structure. The anchor assembly includes an engaging member that engages the receiver and the connecting element to secure the connecting element in the receiver. | 05-06-2010 |
20100160971 | Variable Angle Connection Assembly - In a preferred embodiment, the present invention provides a connection assembly that can be used to securely connect a spinal implant to a bone anchor. In particular, the present invention preferably provides a variable angle connection assembly that is able to securely connect the spinal implant to the anchors even when there is a variance in the angle and position of the anchors with respect to the spinal implant. Furthermore, in a preferred embodiment, the present invention provides a connection assembly that will not inadvertently lock the components of the connection assembly preventing the relative movement of the components. | 06-24-2010 |
20100160972 | Multi-Pin Clamp and Rod Attachmenton - A fixation rod clamp is for coupling a bone pin locking assembly to a bone fixation rod. The clamp comprises a rod attachment portion including a jaw portion and a coupling portion, the jaw portion having first and second opposing jaws extending in a first direction, the jaws forming an opening there between configured to receive the bone fixation rod, the coupling portion extending from the jaw portion in a second direction; and a coupling having a pin vise cooperating portion to engage the bone pin locking assembly and a clamp cooperating portion configured to receive the coupling portion. The jaw portion is configured to engage the bone fixation rod when the bone fixation rod is located within the opposing jaws to thereby mechanically couple the bone pin locking assembly to the bone fixation rod. | 06-24-2010 |
20100228295 | Variable Radius Vertebra Bend Restrictor - A bend restrictor for a flexible conduit includes at least two adjacent vertebrae. Each vertebra includes a central passage for the flexible conduit, a ball portion, and a receiver portion configured to receive the ball portion. The ball portion of one adjacent vertebra is disposed within the receiver portion of the other adjacent vertebra. The bend restrictor further includes a vertebra insert disposed between the at least two adjacent vertebrae. The vertebra insert prevents a lock out position between the ball portion and the receiver portion. | 09-09-2010 |
20100234893 | Spinal Implant Connection Assembly - The present invention provides a connection assembly that can be used to securely connect a spinal implant to a bone anchor. In particular, the present invention preferably provides a spinal implant connection assembly that is able to securely connect the spinal implant to the anchors even when there is a variance in the angle and position of the anchors with respect to the spinal implant. Furthermore, the present invention provides a connection assembly with structure to increase the locking strength of the connection assembly. | 09-16-2010 |
20100249847 | Position augmenting mechanism - One aspect relates to augmenting positioning of an originally unsecured attachment element with respect to an originally unsecured bridging element. Another aspect relates to a surgical theater mechanism that can be at least partially fabricated at least partially based on position augmenting a first surgical theater element relative to a second surgical theater element. Yet another aspect relates to controlling positioning of a bony element at least partially by augmenting positioning of an originally unsecured attachment element relative to an originally unsecured bridging element. Still another aspect can relate to a shunt tube configured to be augmented secured with respect to a shunt device, at least partially to configure the shunt device into an operable position. | 09-30-2010 |
20100249848 | IMPLANTS FORMED OF A SHAPE MEMORY POLYMERIC MATERIAL FOR SPINAL FIXATION - This invention relates to a orthopedic implant that comprises a shape memory polymeric material. The orthopedic implant can be fabricated or molded in a desired configuration selected to provide support or tension to bony structures. Examples of implantable devices include spinal rods, bone plates, and bone fixation cords. The orthopedic implant can be deformed to a second configuration different from the first configuration either prior to implantation or after implantation. When desired, the shape memory polymeric material can be induced to revert to it original molded configuration. This can compress the attached bony structure and/or promote arthrodesis. | 09-30-2010 |
20100268279 | CLAMPS USED FOR INTERCONNECTING A BONE ANCHOR TO A ROD - The present invention relates to a clamp, and, more particularly, to a clamp for securing the position of a bone anchor with respect to a longitudinal rod, preferably for use in the spine. The clamp may include a housing, a rod clamping assembly, and a bone anchor clamping assembly. The clamp preferably enables the longitudinal axis of the rod to be offset or laterally displaced from the longitudinal axis of the bone anchor. The rod clamping assembly and the bone anchor clamping assembly are preferably moveably coupled to the housing in order to provide increased flexibility to better accommodate the location and geometry of the longitudinal rod and to better accommodate bone positioning. | 10-21-2010 |
20100268280 | DEVICE FOR SECURING SPINAL RODS - A device is disclosed for securing a spinal rod to the spine which includes a head portion configured to receive a spinal rod, a locking cap configured to engage the head portion and the spinal rod upon rotation of the locking cap relative to the head portion to secure the position of the head portion relative to the spinal rod, and a fastener portion depending from the head portion and configured to engage the spine. The locking cap has discontinuous opposed engagement flanges that are received within opposed engagement slots of the head portion when the locking cap is rotated into a locked position. | 10-21-2010 |
20100292735 | ROD CONNECTOR FOR ATTACHING A BONE ANCHOR TO A SUPPORT ROD AND IMPLANTATION INSTRUMENT THEREFOR - A rod connector ( | 11-18-2010 |
20100292736 | Linkage for Connection of Fusion and Non-Fusion Systems - A linkage for connecting together an elongated member of a fusion system and an elongated member of a non-fusion system. The linkage may include a bridge that extends between a first connector and a second connector. The first connector may be configured to connect to a fusion system, and the second connector may be configured to connect to a non-fusion system. The length of the bridge provides for the connectors to be spaced apart by a predetermined length. The linkage may be configured to position the elongated members in various orientations. | 11-18-2010 |
20110009906 | VERTEBRAL STABILIZATION TRANSITION CONNECTOR - A transition connector of a vertebral stabilization system for connecting a rigid rod and a flexible cord to provide regions of rigid support and regions of dynamic support along a region of the spinal column is disclosed. A rigid rod may form one portion of the transition connector and a clam shell connector configured to receive a flexible cord may form another portion of the transition connector. The clam shell connector may be configured to be clamped around and secure the flexible cord. | 01-13-2011 |
20110034956 | VERTEBRAL FIXING SYSTEM - Embodiments disclosed herein provide a method of placing a vertebral fixing system on a vertebra. The vertebral fixing system comprises a connecting part with members forming a space into which a rod may be inserted. The members are moveable relative to each other. A portion of a ligature may be passed through the connecting part to form a loop extending from the connecting part. When the rod is inserted in the space between the members, the ligature may be tensioned against the rod. The members of the connecting part may be driven together to hold the ligature in place. An adjustable locking means may be utilized to fix simultaneously in position the connecting part relative to the rod and at least one portion of the ligature relative to the connecting part, so as to prevent relative displacement of the rod and the vertebra in opposite directions. | 02-10-2011 |
20110077690 | ROD HOLDER AND MINIMALLY INVASIVE SPINE SURGERY SYSTEM USING THE SAME - A rod holder configured to operate in a two-stage loading manner allows a rod to be easily received. A minimally invasive system for spinal surgical operation allows a rod to be more accurately and stably received to a pedicle screw inserted into a vertebra by using the rod holder, a rod guide and a rod guide holder. The rod holder may control a rod with three stages: a first loading stage for moving back and fixing a loading unit to fixedly grip the rod; a second loading stage for rotatably gripping the rod; and a rod mounting stage for separating the rod from the rod holder. The spine surgery system includes a pair of rod guides connected to upper ends of a pair of pedicle screws to form a moving path of the rod; a rod holder; and a rod guide holder for defining an insertion path. | 03-31-2011 |
20110098748 | ADJUSTABLE VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod includes a first elongated section having a first end and a second end. The second end includes an attachment part. A second elongated section has a first end and a second end. The second end includes an attachment part. A connecting plate is disposed for attaching the second end of the first section with the second end of the second section. The connecting plate has a first surface configured for mating engagement with the attachment part of the first section and a second surface configured for mating engagement with the attachment part of the second section. | 04-28-2011 |
20110098749 | ADJUSTABLE-ANGLE SPINAL FIXATION ELEMENT - A spinal fixation device is provided having first and second elongate members that are angularly adjustable relative to one another. Each elongate member can include a connecting feature formed on a terminal end thereof, and each connecting feature can be coupled to one another to allow angular movement of the first and second elongate members. The device can also include a locking mechanism that is adapted to couple to the connecting feature on each of the first and second elongate members to lock the elongate members in a fixed position relative to one another. | 04-28-2011 |
20110118788 | Intervertebral Implant Devices And Methods For Insertion Thereof - An implant device includes a pair of hook devices and an elongate guide device. The hook devices are configured to be disposed between and engage adjacent vertebral bodies. The elongate guide device is connected to the hook devices and allows for relative movement of at least one of the hook devices to adjust for the geometries of the vertebral surfaces to be engaged by the hook devices. | 05-19-2011 |
20110190824 | Occipital Plate for Spinal Fusion - Plate devices are provided for mounting to bone and receiving one or more spinal rods. The devices may include coupling members or rod receiving members coupled to the plate member and configured to have multiple degrees of adjustability in order to accommodate elongate connecting members of various orientations. The plate devices may also include quick locking features or locking devices that secure multiple points of articulation simultaneously. | 08-04-2011 |
20110196425 | Connector and Method - Embodiments of the invention include a device and method for securing linear elements relative to one another. In some embodiments, medical implant linear elements are secured in a connector by forcing one or both of the linear elements against at least another member such as a tapered member or wedge. The secured linear elements may include rods, posts, screws, hooks, bars, bolts, or other members. | 08-11-2011 |
20110208245 | Arthroplasy Revision System and Method - The present method includes the following steps: removing a portion of a previously implanted spinal arthroplasty device; and attaching a revision component to a remaining portion of the previously implanted spinal arthroplasty device to alter a biomechanical characteristic of the implanted arthroplasty device. Another aspect of the invention provides a method of limiting motion between adjacent vertebrae including the steps of accessing an implanted spinal arthroplasty device comprising a cephalad component fixed to a first vertebra and a caudal component fixed to a second vertebra inferior to the first vertebra, the cephalad and caudal components having a range of motion between them, and attaching a revision component to the cephalad and caudal components to reduce the range of motion. The invention also includes revision devices for revising the biomechanics of implanted spinal arthroplasty devices. | 08-25-2011 |
20110245878 | RETENTION MECHANISMS FOR ROD LOCKING SET SCREWS - The present invention concerns spinal fixation systems, and particularly systems utilizing pedicle screws, connectors and elongated members positioned adjacent to the spinal column. More specifically, the invention concerns improvements to spinal connectors having set screws used to connect to the elongate members, such as spinal rods, that include a means for inhibiting rotational movement of a partially inserted set screw before such connectors are implanted by the surgeon. | 10-06-2011 |
20110251646 | SURGICAL DEVICE FOR CORRECTION OF SPINAL DEFORMITIES - The present invention relates generally to a surgical device for the correction of deformities of the spinal column and finds particular, although not exclusive, utility in devices which are surgically implantable. Presently known implantable surgical devices are unable to provide for the progressive correction of spinal deformities assisted by active movements of the human body without fusion of the involved part of the spinal column. The present surgical device comprises a spinal column straightening means for permitting the relative rotation of two substantially adjacent vertebrae about a common axis substantially only in opposite rotational directions. | 10-13-2011 |
20110264144 | LUMBAR-SACRAL STRUT - Medical devices for the treatment of spinal conditions are described herein. The medical device includes a main body that is adapted to be placed between the L5 vertebra and the sacrum so that the main body acts as a spacer with respect to the L5 vertebra and the sacrum to maintain distraction therebetween when the spine moves to extension. | 10-27-2011 |
20110264145 | SPINAL CONSTRUCT SYSTEM - Embodiments for a spinal construct system including a spinal fixation plate attachable to fixture element in end-to-end fashion with a coupling mechanism that axially and torsionally constrains the first and second rods to one another. In one form, the end-to-end attachment arrangement is aligned along a common axis of the rods. In another form, the axes of the rods are offset laterally relative to one another. | 10-27-2011 |
20110276094 | FIXATION ASSEMBLY FOR SPINAL VERTEBRAE - A fixation assembly for spinal vertebrae has an anchor fixedly seatable in a spinal vertebrae and formed with an outwardly open socket, and a pedicle rod having a front end fixedly seated in the socket and a dynamic portion adjacent the front end that is shiftable relative to the anchor. | 11-10-2011 |
20110282391 | Bone Fixation System - In a fixation system for controlling the alignment of adjacent vertebra after spinal surgery, aligned fixation rods are held in a mount on each of such vertebra, with their juxtaposed ends received in a sleeve between the mounts. At least one of the rods is movable in the sleeve relative to the other to allow controlled movement of adjacent vertebra. In some embodiments, the sleeve can itself be held in a mount installed on one of such vertebra with the aligned fixation rods being capable of relative movement therein. The system allows the spine to grow without the need for further surgery. | 11-17-2011 |
20120022595 | Sacral-Iliac Stabilization System - The present invention provides a sacral-iliac plate having an iliac portion with a first screw hole for receiving a first fastener to secure the iliac portion to the iliac bone. A sacral portion integrated monolithically with the iliac portion is also provided with a second and third screw holes for receiving second and third fasteners to secure the sacral portion to the sacral bone. The sacral portion also includes a tulip for receiving and securing a spinal rod. | 01-26-2012 |
20120022596 | VERTEBRAL FIXING SYSTEM - Embodiments disclosed herein provide a method of placing a vertebral fixing system on a vertebra. The vertebral fixing system comprises a connecting part with members forming a space into which a rod may be inserted. The members are moveable relative to each other. A portion of a ligature may be passed through the connecting part to form a loop extending from the connecting part. When the rod is inserted in the space between the members, the ligature may be tensioned against the rod. The members of the connecting part may be driven together to hold the ligature in place. An adjustable locking means may be utilized to fix simultaneously in position the connecting part relative to the rod and at least one portion of the ligature relative to the connecting part, so as to prevent relative displacement of the rod and the vertebra in opposite directions. | 01-26-2012 |
20120029571 | Adjustable Connector for Interconnecting Elongate Rod Members at Variable Angular Orientations - An adjustable connector including first and second connector members rotationally coupled together and configured to receive first and second spinal rods, respectively. In one embodiment, the first connector member includes an elongated slot that receives the first rod and has a length extending along an axis arranged transverse to the rotational axis, and the second connector member includes a second passage that receives the second rod. A lock member is positioned between the connector members and includes an angled rod bearing surface extending along a plane oriented at an oblique angle relative to the rotational axis. A compression member extends into the first passage of the first connector member and into compressed engagement with the first rod to displace the first rod along the length of the elongated slot and into sliding engagement with the angled rod bearing surface, which in turn axially displaces the lock member toward the second connector member to compress the first interface surface of the lock member against an opposing second interface surface to selectively prevent relative rotation between the connector members. | 02-02-2012 |
20120029572 | ACHORING MECHANISM - A system for anchoring at least a portion of material to a vertebral body is disclosed. The anchoring system comprises a base configured to affix to the vertebral body and configured to receive the at least a portion of material, and an anchoring mechanism configured to engage with the base and configured to anchor the at least a portion of material, wherein the mechanism comprises at least one elastic element configured to apply pressure to the at least a portion of material so as to anchor the at least a portion of material to the base. Also, a method for attaching at least a portion of material to bone is disclosed. | 02-02-2012 |
20120109212 | COLLAR BORE CONFIGURATION FOR DYNAMIC SPINAL STABILIZATION ASSEMBLY - A dynamic spinal stabilization assembly includes at least one mounting collar with a bore therethrough along a longitudinal axis, and a spinal rod slidably extending through the bore. The bore includes a medially disposed first section of reduced size that tapers both inwardly and outwardly relative to the axis, and respective end sections of relatively larger size. The bore may be defined by an interior wall that convexly curves toward the axis in the first section, advantageously with a constant non-zero radius of curvature. The bore profile helps minimize potential binding that may occur between the collar and the rod. The rod is coupled to bone anchoring elements, with at least one such connection being via the collar. | 05-03-2012 |
20120123479 | SYSTEM AND METHOD FOR DYNAMIC VERTEBRAL STABILIZATION - An intervertebral stabilization device and method is disclosed. The device preferably includes a planar spring enclosed within a housing. The housing is joined to an articulation component at either end, and the articulation components have couplings connectable to anchoring components which are securable to adjacent vertebrae. The planar spring can flex and retract providing relative motion between the adjacent vertebrae. The articulation components are ball and socket joints which allow the entire assembly to flexibly follow the curvature of the spine. A fusion rod with articulation components and couplings at either end may be substituted for the spring device. The couplings enable interchangeability between a fusion rod assembly and spring assembly, so that dynamic stabilization can occur at one vertebral level and fusion at the adjacent vertebral level. An overhung spring assembly with a sideways displaced housing which allows for a shorter pedicle to pedicle displacement is also disclosed. | 05-17-2012 |
20120123480 | ANCHORAGE ARRANGEMENT FOR A CONNECTING ROD FOR THE STABILIZATION OF THE SPINE - Plastic rod anchorage for the surgical treatment of the spine where the plastic rod ( | 05-17-2012 |
20120165874 | STABILIZATION DEVICE FOR STABILIZING VERTEBRAE OR BONE PARTS - A stabilization assembly for stabilizing a vertebra or other bone includes: at least two rods having different diameters; an anchoring element having a shaft and a head; a receiving part for interchangeably receiving any one of the rods to connect the rod to the anchoring element, the receiving part including a rod receiving portion with a channel for receiving the rod, and a head receiving portion having an open end and being flexible to allow introduction and clamping of the head; and a locking ring configured to be arranged around the head receiving portion and to clamp the head in the head receiving portion; wherein the locking ring includes a contact surface configured to contact any one of the at least two rods at at least two distinct contact areas that are spaced apart from one another in a circumferential direction of the rod. | 06-28-2012 |
20120165875 | FLEXIBLE SPINAL STABILIZATION SYSTEM AND METHOD - Devices, methods and systems for stabilizing at least a portion of the spinal column are provided. Devices include anchors and coupling members for engaging an elongate member. Systems include an elongate member sized to span a distance between at least two vertebral bodies and being at least partially formed of a flexible material. A number of anchors and coupling members are used to secure the elongate member to each of the vertebral bodies. The anchors can be compressed towards one another and the elongate member secured thereto and/or the elongate member can be tensioned to provide corrective forces to the spine. | 06-28-2012 |
20120203282 | MEDICAL DEVICE AND METHOD TO CORRECT DEFORMITY - A system for correcting a spinal deformity includes an implant fixed to one side of a vertebra and a rod extending along an axis of the spine on a second side of the vertebra. An adjustment member, which may include a reel, is coupled to the rod. A force directing member, such as a cable, extends between the rod and the adjustment member. The force directing member is retractable toward and extendible from the adjustment member. A method of correcting spinal deformity includes providing an implant, a rod, an adjustment member coupled to the rod, and a force directing member extending between the rod and the adjustment member. The adjustment member can be retractable toward and extendible from the adjustment member. | 08-09-2012 |
20120209332 | Spinal Fixation System And Method - A spinal fixation system is provided that, in one form, comprises a pedicle screw assembly having a coupling device with an elongate member for guiding a fixation element, such as a spinal rod, into the coupling device and a lock device for fixing the spinal rod to the coupling device. The pedicle screw assembly may be passed through a small incision and connected to a vertebral bone. By connecting a second pedicle screw assembly to a second vertebral bone, the elongate members of the pedicle screw assemblies provide guideposts for directing the spinal rod subcutaneously between the pedicle screw assemblies and into the coupling devices thereof. | 08-16-2012 |
20120239091 | ANCHORING ELEMENT FOR USE IN SPINE OR BONE SURGERY, METHODS FOR USE AND PRODUCTION THEREOF - A shaft for anchoring in a vertebra or bone section is connected to a receiving part which serves to connect to a rod having a pre-determined diameter (D). The receiving part provides a U-shaped recess, forming a channel for the reception of the rod, and two legs. The legs are free on their ends and have a thread that cooperates with a securing element to fix the rod in the receiving part. When inserted into the receiving part, the rod surface facing an end surface is at a pre-determined distance (A) in an axial direction from the end surface. The thread of the legs extends from the end surface a distance that is smaller than or equal to the pre-determined distance (A). Also, an undercut is provided adjacent to the thread whose edge farthest away from the thread is located at a distance (B) from the end surface. | 09-20-2012 |
20120239092 | INSTRUMENTS AND METHODS FOR ADJUSTING SEPARATION DISTANCE OF VERTEBRAL BODIES WITH A MINIMALLY INVASIVE SPINAL STABILIZATION PROCEDURE - A spinal stabilization system may be formed in a patient. In some embodiments, a minimally invasive procedure may be used to form a spinal stabilization system in a patient. Bone fastener assemblies may be coupled to vertebrae. Each bone fastener assembly may include a bone fastener and a collar. Extenders may be coupled to the collar to allow for formation of the spinal stabilization system through a small skin incision. The extenders may allow for alignment of the collars to facilitate insertion of an elongated member in the collars. An elongated member may be positioned in the collars and a closure member may be used to secure the elongated member to the collars. An adjuster may be used in conjunction with the extenders to change a separation distance between the bone fastener assemblies. | 09-20-2012 |
20120253403 | SPINAL FIXATION SYSTEM - A fastener assembly for a spinal fixation system that is particularly useful in treatment of pediatric and small-statured patients includes a fastener, an attachment member, and a locking member. The fastener has a lower portion for contacting a bone and an upper portion integral with the lower portion. The upper portion has two open channels. Each channel is configured and dimensioned to receive a portion of a longitudinal or connecting member along its circumference. The attachment member is positionable on the fastener and at least partially covers the channel that receives the longitudinal or connecting member. The locking member is operatively associated with the upper portion of the fastener and secures the attachment member and the longitudinal or connecting member to the fastener. | 10-04-2012 |
20120271356 | SPINAL IMPLANT WITH A FLEXIBLE EXTENSION ELEMENT - A spinal implant with at least one flexible elongated extension element is provided. The spinal implant has a profile that is lower than standard spinal implants. The spinal implant includes a bone anchor with a head portion and a shaft extending along a longitudinal axis of the bone anchor. A head plate is coupled to the bone anchor. The head plate includes a first elongated extension element and a second elongated extension element. The first elongated extension element and the second elongated extension element may be formed as a single monolithic element that is attached to the head plate by passing through a pair of openings provided on the head plate. At least one of the first elongated extension element and the second elongated extension element is flexible. | 10-25-2012 |
20120283781 | SPINAL ROD HAVING A POST-OPERATIVE ADJUSTABLE DIMENSION - A spinal implant ( | 11-08-2012 |
20120290011 | BONE ANCHOR EXTENDERS - In one form, systems and methods for positioning a connecting member adjacent the spinal column include at least one anchor that is engageable to bony structure and has a receiver for receiving the connecting member. A pair of elongated members is engaged to the receiver and defines a pathway that extends proximally from the receiver. The connecting member is movable along the elongated members to the receiver of the bone anchor. The elongated members are removable from the receiver of the bone anchor after the connecting member is positioned in the receiver to provide a low profile anchor and connecting member assembly when finally implanted in the patient. However, other embodiments, forms and applications are also envisioned. | 11-15-2012 |
20120296380 | HINGED BONE SCREW WITH A TULIP BULB CONNECTOR IN A SPINAL FIXATION ASSEMBLY - A spinal fixation assembly using a hinged bone screw with a tulip blob connector, a variable height, hinged bone screw with a tulip bulb connector or both. The bone screws have a post section connected to a screw section by a hinge. In the basic hinged bone screw, a bulb shaped head is formed at the end of the post section opposite the hinge and a tulip bulb connector is attached to the bulb shaped head. For the variable height hinged bone screw, a collet is used with an interior bore that slides over the post section of the bone screw. The collet has a cylindrically shaped sleeve at one end and a bulb shaped head at the other end. The tulip bulb connector is attached to the bulb shaped head of the collet. In both cases, the tulip bulb connector has a cavity for receiving a connector rod and a set screw for firmly attaching said connector rod within said tulip bulb connector cavity. | 11-22-2012 |
20120303066 | Variable angle spinal screw assembly - A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in the head portion for use in driving the screw into a vertebrae. The head portion of the screw is positioned in a body member adjacent a curvilinear surface disposed about an aperture in the end of the body member such that the shaft portion of the screw extends therethrough and the curvilinear inner surface abuts and mates with the head portion of the screw so as to define a ball joint therewith. The body member additionally defines a pair of opposed parallel slots therein adapted to receive a portion of the fixation rod and a locking cap bears against the fixation rod to releasably secure the rod within the assembly. | 11-29-2012 |
20120310286 | Anti-splay medical implant closure with multi-surface removal aperture - A convex spinal fusion interbody space device includes spaced apart superior and inferior abutment surfaces which are effectively medially convex. The peak of such convexity is displaced anteriorly of a central plane through the device. The spacer device has a height which is greater than the width of the device. The spacer device is implanted between a pair of adjacent vertebrae by insertion in a tipped-over orientation and then reoriented to an upright orientation for engagement by facing surfaces of the vertebrae. Fusion promoting bone material is packed between the vertebrae and about and within the spacer device subsequent to implantation. | 12-06-2012 |
20120330364 | MODULAR PEDICLE SCREW SYSTEM - Provided is a modular pedicle screw assembly which includes various components that may be configured in various manners so as to provide different functionalities to the pedicle screw assembly. This advantageously decreases surgery time, reduces repetitive and tedious surgical steps, and allows for streamlining inventory of expensive medical equipment. In one embodiment, a pedicle screw assembly includes a pedicle screw, a rod holding element, an insert, a rod, and a set screw. The insert may have a uniplanar configuration which allows movement of the insert, prior to final attachment, in a plane of motion. The insert may optionally have a monoaxial configuration which prevents movement of the insert. A method is also provided for securing a rod to a pedicle screw assembly. Also provided is an assembly tool for use in assembling a pedicle screw assembly. | 12-27-2012 |
20130006308 | ENHANCED PEDICLE ROD CLAMP DEVICE - An enhanced pedicle rod clamp device for connecting two or more pedicle rods in spinal surgery is disclosed. The device may include an arm, an upper clamp, and a lower clamp, which are configured for coupling to a pedicle rod. The upper clamp may be coupled to the arm, and the lower clamp may be coupled to the upper clamp. The upper clamp may be rotationally and/or translationally movable with respect to at least one of the arm and the lower clamp. The lower clamp may be rotationally and/or translationally movable with respect to at least one of the arm and the upper clamp. | 01-03-2013 |
20130018421 | Coupling Devices and Methods of Using the SameAANM George; MilanAACI King of PrussiaAAST PAAACO USAAGP George; Milan King of Prussia PA USAANM Manninen; KatherineAACI LimerickAAST PAAACO USAAGP Manninen; Katherine Limerick PA USAANM Perkins; JohnAACI PottstownAAST PAAACO USAAGP Perkins; John Pottstown PA USAANM Harper; MichaelAACI PottstownAAST PAAACO USAAGP Harper; Michael Pottstown PA USAANM Shain; AdamAACI PhiladelphiaAAST PAAACO USAAGP Shain; Adam Philadelphia PA USAANM Salzberger; MarkAACI Sinking SpringAAST PAAACO USAAGP Salzberger; Mark Sinking Spring PA USAANM Juchno; BradAACI YardleyAAST PAAACO USAAGP Juchno; Brad Yardley PA USAANM Petersheim; SamuelAACI ElversonAAST PAAACO USAAGP Petersheim; Samuel Elverson PA US - In one embodiment, a medical device includes an elongate member, a first coupler, and a second coupler. The elongate member has a first end portion, a second end portion, and a side portion. The side portion of the elongate member has a first receiving portion and a second receiving portion. The first receiving portion is configured to receive a first support member. The second receiving portion is configured to receive a second support member. The first coupler is coupled to the elongate member and is configured to engage the first support member to help retain the first support member within the first receiving portion. The second coupler is coupled to the elongate member and is configured to engage the second support member to help retain the second support member within the second receiving portion. | 01-17-2013 |
20130018422 | Spinal Rod Connector Assembly - A spinal rod connector assembly for use with a vertebral bone screw has an articulating clamp for 1) fixing an orientation of the spinal rod connector assembly relative to and on the vertebral bone screw, and 2) attaching a separate spinal rod onto the spinal rod connector assembly in concert with one another. The articulating clamp resides in a body of the spinal rod connector assembly and transfers a received downward force laterally to a spinal rod component of the spinal rod connector assembly which is configured to abut the spinal rod and hold the spinal rod between itself and a spinal rod holder of the spinal rod connector assembly. The articulating clamp thus improves the force transfer efficacy of the system. | 01-17-2013 |
20130035725 | CONNECTING ELEMENT FOR A STABILIZATION SYSTEM FOR THE VERTEBRAL COLUMN, AND STABILIZATION SYSTEM FOR THE VERTEBRAL COLUMN - To improve a connecting element for a stabilization system for the vertebral column, which includes a first attachment section for fixing to a first bone fixation device, a second attachment section for fixing to a second bone fixation device, and an at least partially flexible intermediate section having at least one recess which is open at the sides, that at least one mechanical property of the intermediate section can be individually set in a simple and safe way, at least one movement limiting member is provided, which comprises a filling body and at least one stop device acting parallel or substantially parallel to the longitudinal axis and/or in the circumferential direction, and that the filling body, in a normal position in which no external forces act on the intermediate section, engage at least partially in the at least one recess. | 02-07-2013 |
20130035726 | SYSTEM AND METHOD FOR MINIMALLY INVASIVE POSTERIOR FIXATION - The present invention relates generally to systems and methods for aligning and implanting orthopedic fixation or stabilization implants within the body. In one embodiment, the system includes at least two bone anchors, at least one of which is provided with an angularly adjustable connector. In one aspect, the system also includes at least one linkage rod, for linking two or more bone anchors through their respective adjustable connectors. The bone anchors and the linkage rod may be locked into place to form a spinal fusion or fixation prosthesis. An alignment tool is provided, for guiding a guidewire through one or more connectors. | 02-07-2013 |
20130041411 | DEVICE FOR SECURING SPINAL RODS - A device is disclosed for securing a spinal rod to the spine which includes a head portion configured to receive a spinal rod, a locking cap configured to engage the head portion and the spinal rod upon rotation of the locking cap relative to the head portion to secure the position of the head portion relative to the spinal rod, and a fastener portion depending from the head portion and configured to engage the spine. The locking cap has discontinuous opposed engagement flanges that are received within opposed engagement slots of the head portion when the locking cap is rotated into a locked position. | 02-14-2013 |
20130053893 | DEVICES AND METHODS FOR CERVICAL LATERAL FIXATION - Devices and methods are provided for treatment of the cervical spine. The devices and methods allow for treatment to be delivered from a lateral or posterior-lateral location of a subject, proximate to the cervical region of the spine. One exemplary embodiment of a spinal implant includes an elongate cage member and a plate member appended to a proximal end of the cage member. The plate member can be oriented in a manner such that it is asymmetric with respect to a long axis of the cage member. In another exemplary embodiment, an implant includes a cage member having a distal end that has an asymmetrical, bulleted shape such that the distal end is biased towards a superior or cranial direction. In a third exemplary embodiment, an implant includes a spinal fixation element and at least two mounting eyelets formed thereon. Exemplary methods related to implanting spinal implants from a lateral or posterior-lateral location are also provided. | 02-28-2013 |
20130066376 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device includes
| 03-14-2013 |
20130072983 | TETHER CLAMP AND IMPLANTATION SYSTEM - A clamp housing assembly and method for providing stabilization as a bone anchor during an operation. The assembly includes a housing, a locking element and a band. The housing defines a longitudinal axis, a center recess, and at least one slot. The housing has two opposing arms extending from a base. At least a portion of the inside surface of each arm may be threaded and at least a portion of the outside surface of each arm may be planar. The locking element is positionable within the recess in a co-axial relationship to the housing. The band is sized for travel along a predetermined path defined in part by the at least one slot in the housing. | 03-21-2013 |
20130085534 | CONNECTORS FOR A SECONDARY BONE ANCHOR - A connector for connecting a second bone anchor to a first bone anchor includes a first component engageable to the first bone anchor and rotatably adjustable relative to the first bone anchor, a second component connected to the first component and forming a socket to receive the second bone anchor in a plurality of angular orientations, and a closure mechanism engageable with the second component to fix the second bone anchor at a selected angular orientation relative to the second component. | 04-04-2013 |
20130090693 | POLYAXIAL BONE ANCHORS WITH INCREASED ANGULATION - A polyaxial bone anchor has a locking element shaped and configured to allow an anchoring member (e.g., a screw or hook) to polyaxially rotate at large angles about a central axis of the bone anchor before compression locking the anchoring member within an anchor head. | 04-11-2013 |
20130096617 | CORONAL ANGULATING CONNECTOR - A connector is provided for linear implants such as spinal rods which are disposed within the coronal plane of a body. The connector includes a first portion having a first cavity for disposal therethrough of a first spinal rod. A second portion has a second cavity for the disposal therethrough of a second spinal rod. The second portion is rotatable relative to the first portion. Methods of use are disclosed. | 04-18-2013 |
20130096618 | BONE ANCHOR ASSEMBLIES - A bone anchor assembly includes a bone anchor, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, and a closure mechanism. The closure mechanism is positionable between the arms of the receiver member to capture a spinal fixation element within the receiver member and fix the spinal fixation element with respect to the receiver member. The closure mechanism includes an outer thread engageable with an inner thread on the arms of the receiver member. The inner thread and the outer thread have a thread angle between 5° and 25°. | 04-18-2013 |
20130110172 | LOCKING ASSEMBLY FOR A POLYAXIAL BONE ANCHORING DEVICE | 05-02-2013 |
20130131730 | Polyaxial bone anchor with articulating retainer and multi-start closure - An open polyaxial bone anchor includes a pre-assembled receiver, retaining member and compression insert that may be popped-on or snapped-on to the shank upper portion prior to or after implantation of the shank into a vertebra. Cooperating closures have at least two helically wound forms thereon providing a multi-start closing mechanism for use between spaced arms of the bone anchor having mating helically wound structure thereon. | 05-23-2013 |
20130131731 | BONE ANCHOR ASSEMBLIES AND METHODS OF MANUFACTURING AND USE THEREOF - A bone anchor assembly includes a bone anchor having a proximal head and a distal shaft configured to engage bone, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, an insert positioned in the proximal end of the receiver member having a pair of spaced apart insert arms defining a recess therebetween, and a closure mechanism positionable between and engaging the insert arms to capture a spinal fixation element within the recess of the insert and fix the spinal fixation element with respect to the receiver member. | 05-23-2013 |
20130150894 | APPARATUS AND DEVICES FOR PERCUTANEOUSLY EXTENDING AN EXISTING SPINAL CONSTRUCT - Apparatus and devices for percutaneously extending an existing spinal construct ipsilaterally with an additional spinal construct in a patient are disclosed. The additional spinal construct comprises a rod connector that includes an elongate additional rod integrally attached thereto. The additional rod is placed through an access port in a first orientation generally parallel to the longitudinal axis of the access port and rotated to a different second orientation generally transverse to the longitudinal axis of the access port. During such rotation the additional rod is moved subcutaneously beneath the skin of the patient from the existing spinal rod to an additional bone engaging implant. In another arrangement, the extension of an existing spinal construct in a minimally invasive procedure comprises a rod connector having an offset support for receiving an additional spinal rod that may be placed laterally interiorly or exteriorly of the existing spinal construct. | 06-13-2013 |
20130150895 | APPARATUS AND INSTRUMENTS FOR PERCUTANEOUSLY EXTENDING AN EXISTING SPINAL CONSTRUCT - Apparatus and instruments for percutaneously extending an existing spinal construct ipsilaterally with an additional spinal construct in a patient are disclosed. The additional spinal construct comprises a rod connector that includes an elongate additional rod integrally attached thereto. The additional rod is placed through an access port in a first orientation generally parallel to the longitudinal axis of the access port and rotated to a different second orientation generally transverse to the longitudinal axis of the access port. During such rotation the additional rod is moved subcutaneously beneath the skin of the patient from the existing spinal rod to an additional bone engaging implant. In another arrangement, the extension of an existing spinal construct in a minimally invasive procedure comprises a rod connector having an offset support for receiving an additional spinal rod that may be placed laterally interiorly or exteriorly of the existing spinal construct. | 06-13-2013 |
20130165977 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device includes an anchoring element having a shank and a head having an outer surface portion shaped as a segment of a sphere, a receiving part having a seat portion for receiving the head, and a pressure element having a head contacting surface portion having at least two circumferentially distinct projections and defining a recess for holding the head, the recess having a first region configured to receive the head and a second region defined by at least part of one of the projections and having an undersize compared to the shape of the head, such that when the head is held in the recess, the projections extend over a portion of the head with the largest outer diameter, and the head contacting surface portion corresponding to the second region is expanded from a neutral position to clamp the head by friction. | 06-27-2013 |
20130172935 | BONE ANCHORING DEVICE - A bone anchoring device includes an anchoring element having a shank to be anchored in a bone or a vertebra, a receiving part connected to the shank the receiving part having a first end opposite to the shank and a second end facing the shank, a longitudinal axis passing through the two ends, a bore coaxial with the longitudinal axis extending from the first end through at least a portion of the receiving part and a substantially U-shaped recess for receiving a rod The U-shaped recess forms two free legs extending in the direction of the first end, the legs are provided with an internal thread. A locking device for securing the rod in the receiving part is provided which includes an external thread cooperating with the internal thread. An engagement structure is provided at the circumference of least a part of the outer surface projecting above the first end of the receiving part, the structure being engageable with a tool in a form-fit manner and wherein a maximum outer diameter of said first locking member in the region of said structure is larger than the inner diameter of the internal thread of the receiving part. | 07-04-2013 |
20130172936 | ADJUSTABLE FIXATION DEVICE - An articulated fixation device is provided having a high degree of adjustability for securing a plate member thereof to a skull and at least one spinal rod thereof to a vertebral bone. In one form, an adjustable bridge member is provided that is adjustably connected to both the plate member and the spinal rod. The adjustable connections can include an upper and rearward pivot connection between the plate member and the bridge member and a lower and forward pivot connection between the spinal rod and the bridge member. | 07-04-2013 |
20130172937 | EXTENDED TAB BONE SCREW SYSTEM - A bone screw system is presented. The bone screw system has a fixation element, a receiving element, coupling element, and a compression element. In one aspect, the system also has a pair of leg extensions extending upwardly therefrom the receiving element. | 07-04-2013 |
20130184760 | SIDE LOADING CORONAL SPINNING LATERAL CONNECTOR AND METHOD - A spinal stabilization apparatus and method according to which a fastener is engaged with a bone structure of a spinal system. The fastener is connected to a rod by moving the rod sideways toward the fastener in a coronal plane, and the direction of extension of at least a portion of the rod in the coronal plane may be selectively adjusted in predetermined angular increments through 360 degrees. | 07-18-2013 |
20130184761 | BONE ANCHORING NAIL - A bone anchoring nail is provided having a threadless shaft with a free end, a head opposite to the free end, the head having a substantially U-shaped recess for accommodation of a rod or a rod-shaped element, a longitudinal bore extending through the shaft and opening towards any one of the head and the free end and a plurality of openings extending through the wall of the shaft and being in communication with the bore. The bone anchoring nail allows quick insertion and reliable fixation enhanced by the in-growth of blood vessels. | 07-18-2013 |
20130190824 | SPINAL CORRECTION SYSTEM AND METHOD - A fusionless correction system comprises a longitudinal element extending between a first end and second end. At least one fixation element is disposed with the longitudinal element and is configured for disposal in bone. A lock is disposed with the at least one fixation element and includes at least one bone penetrating projection. The lock is movable relative to the at least one fixation element between a first non-engaging configuration and a second engaging configuration such that the at least one bone penetrating projection extends beyond an outer surface of the at least one fixation element. Methods of use are disclosed. | 07-25-2013 |
20130197585 | Multi-start closures for open implants - An open implant closure structure includes a helically wound guide and advancement structure having at least two helically wound forms thereon providing a multi-start closing mechanism for use between spaced arms of a cooperating open medical implant having mating helically wound structure thereon. Illustrated structures include interlocking flange forms, v-threads, square threads, reverse angle threads and buttress threads and receivers with break-off extensions and cooperating tooling. | 08-01-2013 |
20130197586 | BONE ANCHORING DEVICE - A polyaxial bone anchoring device includes a bone anchoring element having a head and a shaft, a receiving part having a head receiving portion, a rod receiving portion, and a bore having a bore axis, and a pressure member movable in the bore and having a first surface for engaging the head, wherein the pressure member is movable to a first position where friction between the first surface and the head generates a preload on the head to maintain the shaft at a temporary angular position relative to the receiving part, and wherein the pressure member is configured to engage the receiving part to generate a holding force for holding the pressure member at the first position without a positive lock, and wherein the pressure member is movable in and out of the first position by applying an axial force on the pressure member greater than the holding force. | 08-01-2013 |
20130218207 | DYNAMIC MULTI-AXIAL ANCHOR - A device for dynamically attaching an elongated member to a vertebral member. The device may include a receiver with a channel configured to receive an elongated member. A fastener may secure the elongated member to the receiver. The receiver may further include a reservoir sized to receive a head of an anchor. The reservoir may be shaped for movement of the receiver relative to the anchor within one plane. This movement may accommodate spinal motion during flexion and extension of the patient. One or more dampeners may be positioned in the reservoir and contact against the anchor during the movement. The dampeners may provide resistance to the movement of the patient. | 08-22-2013 |
20130218208 | ROD-RECEIVING SPINAL FUSION ATTACHMENT ELEMENTS - In one embodiment, an implantable spinal fusion attachment element includes a rod attachment head having a passage that is adapted to receive a spinal alignment rod and means for securely attaching the attachment element to a vertebra without penetrating the pedicle of the vertebra. | 08-22-2013 |
20130245690 | IMPLANT SYSTEM AND METHOD - An implant system comprises a fastener including a proximal portion and a distal portion configured for penetrating tissue. The proximal portion defines a first cavity that defines a first longitudinal axis. A connector extends between a first end and a second end configured for disposal in the first cavity and movement within a first plane. The connector is moveable along the first longitudinal axis relative to the distal portion. A receiver is attached to the connector and includes an implant cavity defining a second longitudinal axis and configured for disposal of an implant. The implant cavity is rotatable about the first longitudinal axis such that the implant is rotatable in a second plane relative to the distal portion of the fastener. Methods of use are disclosed. | 09-19-2013 |
20130245691 | SYSTEMS AND METHODS FOR SPINAL FIXATION - A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing 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. | 09-19-2013 |
20130253589 | Pedicle Screw Assembly with Locking Cap - A locking pedicle screw assembly has been designed which avoids misalignment and locks into place once the cap is fully threaded into the tulip, avoiding over tightening or stripping of the threads. The locking cap includes a retaining or locking ring, positioned either at the bottom of the cap so that it locks into a groove at the bottom of the threads in the tulip or at the top of the threads in the cap, locking into a groove at the top of the tulip when the cap is fully seated. In one embodiment, an audible signal is generated when the cap locks. In another embodiment, the cap is secured to a swiveling saddle that locks the rod into place as the screw cap is tightening, but does not interfere with the locking mechanism. | 09-26-2013 |
20130261668 | ROD HOLDING DEVICE - A rod holding device for binding a rod to an osseous structure. This rod holding device includes a holding body, an anchor member for anchoring the holding body to the osseous structure, a closure member for engagement with an engagement portion of the holding body, and a sleeve member with an opening for receiving the rod and a non-spherical outer contact surface for engagement with a complementary inner contact surface of the receiving portion and configured to be locked in a receiving portion of the holding body by engagement of the closure member with the engagement portion of the holding body, and to secure the rod within the opening. The rod holding device can thus be adapted to rods of various sizes by choosing a sleeve member with an opening of appropriate diameter. | 10-03-2013 |
20130274807 | ROD TO ROD CROSS CONNECTOR - A rod to rod connector includes at least one clamping assembly for receiving a first spinal rod. The clamping assembly may include a polyaxial articulation element. The articulation element may include a hollow body forming an opening. The clamping body may further include a pivot element configured to clamp the first spinal rod between the pivot element and a channel wall in the clamping assembly. The rod to rod connector may also include a connector member for connecting the clamping assembly to a second spinal rod. The connector member may include a socket configured to receive the polyaxial articulation element of the clamping assembly, with the articulation element polyaxially rotatable relative to the axis of the socket. | 10-17-2013 |
20130274808 | ORTHOPAEDIC DEVICE AND METHODS FOR ITS PRE-ASSEMBLY AND ASSEMBLY - Orthopaedic devices including a connecting element suited for receiving at least part of a first rod, and a lock screw. The connecting element includes an anchor for securing the connecting element to a bone, in particular a vertebra, a first lateral opening, and a top opening with a first inner screw thread. The lock screw is received within the top opening and includes a proximal face presenting a screw drive, accessible from outside the connecting element, a distal end for locking the first rod within the connecting element, and wherein the lock screw is adapted to fit through the first lateral opening to be subsequently introduced into the top opening with the proximal face leading. | 10-17-2013 |
20130289623 | MULTI-AXIAL SPINAL FIXATION SYSTEM - A spinal fixation system includes a rod and anchor devices that include a bone engaging fastener having a head defining a spherical socket. A ball insert is placed within the socket and rotated so that the ball insert is juxtaposed with the socket. The anchor device further includes a yoke defining a yoke channel for receiving the rod and a stem engaged to the ball insert captured within the socket. A sleeve disposed between the yoke channel and the fastener head supports the rod. A set screw is operable to clamp the rod against the sleeve and draw the insert into engagement within the socket. A releasable detent defined between the yoke and the fastener head is configured to releasably retain the yoke in at least one discrete position relative to the fastener. Portions of the releasable detent may also exert a frictional retention force against the fastener head. | 10-31-2013 |
20130304130 | 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. | 11-14-2013 |
20130338716 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device is provided comprising a bone anchoring element ( | 12-19-2013 |
20130345756 | ROD COUPLING ASSEMBLY AND METHODS FOR BONE FIXATION - A coupling device for securing an elongate member to the spine is provided. The coupling device comprises a compressible inner member that secures an anchor member therein when the inner member is axially shifted within an outer member. Structures are provided to prevent disassembly of the anchor and coupling device prior to locking of the elongate member. | 12-26-2013 |
20140018859 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for coupling a rod to a bone anchoring element includes a receiving part body including a rod receiving portion having a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head; and a locking ring around the head receiving portion, wherein in a pre-locking position, a spring portion on one of the locking ring or the receiving part body engages a corresponding portion on the other one of the locking ring or the receiving part body, and the locking ring exerts a first force onto the head receiving portion, and wherein in a locking position, the locking ring exerts a second force greater than the first force onto the head receiving portion to lock the head therein. | 01-16-2014 |
20140025120 | MULTI-AXIAL BONE FASTENER AND SYSTEM - A bone fastener includes a receiver defining a longitudinal axis and an implant cavity. A base is connected to the receiver and includes a wall extending along the longitudinal axis and defining a lateral opening. The base further includes a bearing surface connected to the wall. The wall and the bearing surface define an interior cavity of the base, wherein the bearing surface has a first thickness adjacent the lateral opening and a second thickness adjacent a portion of the wall disposed opposite the lateral opening, the first thickness being greater than the second thickness. The bone fastener further includes a bone penetrating member having a proximal end and a distal end, the proximal end being disposable in the interior cavity of the base. Methods of use are disclosed. | 01-23-2014 |
20140052189 | PIVOTING SPINAL FIXATION DEVICES - Disclosed embodiments relate to connector systems comprising a linking element, a rod connection element partially received in the linking element. In an embodiment, the rod connection element is operable to rotate about the first longitudinal axis relative to the linking element. A fastener is operable to be received in the rod connection element, wherein the fastener is operable to actuate a connection mechanism to substantially fix the rod connection element in a rotational orientation relative to the first longitudinal axis and substantially fix the rod in a longitudinal position relative to the rod connection element. | 02-20-2014 |
20140052190 | ANCHORING ELEMENT FOR USE IN SPINE OR BONE SURGERY, METHODS FOR USE AND PRODUCTION THEREOF - A shaft for anchoring in a vertebra or bone section is connected to a receiving part which serves to connect to a rod having a pre-determined diameter (D). The receiving part provides a U-shaped recess, forming a channel for the reception of the rod, and two legs. The legs are free on their ends and have a thread that cooperates with a securing element to fix the rod in the receiving part. When inserted into the receiving part, the rod surface facing an end surface is at a pre-determined distance (A) in an axial direction from the end surface. The thread of the legs extends from the end surface a distance that is smaller than or equal to the pre-determined distance (A). Also, an undercut is provided adjacent to the thread whose edge farthest away from the thread is located at a distance (B) from the end surface. | 02-20-2014 |
20140066988 | APPARATUS AND DEVICES FOR PERCUTANEOUSLY EXTENDING AN EXISTING SPINAL CONSTRUCT - Apparatus and devices for percutaneously extending an existing spinal construct ipsilaterally with an additional spinal construct in a patient are disclosed. The additional spinal construct comprises a rod connector that includes an elongate additional rod integrally attached thereto. The additional rod is placed through an access port in a first orientation generally parallel to the longitudinal axis of the access port and rotated to a different second orientation generally transverse to the longitudinal axis of the access port. During such rotation the additional rod is moved subcutaneously beneath the skin of the patient from the existing spinal rod to an additional bone engaging implant. In another arrangement, the extension of an existing spinal construct in a minimally invasive procedure comprises a rod connector having an offset support for receiving an additional spinal rod that may be placed laterally interiorly or exteriorly of the existing spinal construct. | 03-06-2014 |
20140066989 | ADJUSTABLE AXIAL SPINAL ROD CONNECTOR - An axial spinal rod connector includes a central connector and first and second portions. The first and second portions are each integrally formed with the central connector to define a longitudinal axis. Each of the first and second portions includes an outer end portion and a set screw. The outer end portion defines a passage about the longitudinal axis and defines a blind hole orthogonal to the longitudinal axis. The blind hole extends into the passage. The passage is sized and configured to slidably receive a spinal rod. The set screw is sized and configured to engage the blind hole. The set screw at lease partially interfering with the passage when engaged with the blind hole to fix a spinal rod relative to the spinal rod connector. | 03-06-2014 |
20140066990 | MULTI-PLANAR AXIAL SPINAL ROD CONNECTOR - A multi-planar axial spinal rod connector includes a first portion, a second portion, and a connector assembly. The first portion defines a longitudinal axis and defines a first passage. The first passage is sized and configured to slidably receive a first spinal rod. The second portion defines a second longitudinal axis and defines a second passage. The second longitudinal axis is different from the first longitudinal axis. The second passage is sized and configured to slidably receive a second spinal rod. The connector assembly is configured to fix the first and second portions relative to one another such that the first and second longitudinal axes define an angle relative to one another. | 03-06-2014 |
20140081334 | SPLAY CONTROL CLOSURE FOR OPEN BONE ANCHOR - Open implant closure structures include a helically wound guide and advancement flange form having splay control surfaces. Multi-start closures and closures with inner set screws have splay control contours for interlocking with cooperating flange forms of bone anchor receivers. Flange form heights, thicknesses and other geometry, such as splay control ramp angle may be varied. | 03-20-2014 |
20140081335 | ANTI-SPLAY MEDICAL IMPLANT CLOSURE WITH MULTI-SURFACE REMOVAL APERTURE - A convex spinal fusion interbody space device includes spaced apart superior and inferior abutment surfaces which are effectively medially convex. The peak of such convexity is displaced anteriorly of a central plane through the device. The spacer device has a height which is greater than the width of the device. The spacer device is implanted between a pair of adjacent vertebrae by insertion in a tipped-over orientation and then reoriented to an upright orientation for engagement by facing surfaces of the vertebrae. Fusion promoting bone material is packed between the vertebrae and about and within the spacer device subsequent to implantation. | 03-20-2014 |
20140107708 | INSTRUMENT FOR ASSEMBLING A POLYAXIAL BONE ANCHOR - An instrument for assembling a polyaxial bone anchor is provided, the polyaxial bone anchor including a bone anchoring element ( | 04-17-2014 |
20140142634 | BONE FIXATION ASSEMBLY - An anchor assembly for use in spinal fixation to interconnect a longitudinal spinal rod with a patient's vertebra. The anchor assembly preferably includes a bone anchor, a body with a rod-receiving channel, an insert member (preferably a bushing), and a locking cap. The anchor assembly enables in-situ assembly where the bone anchor may be secured to the patient's vertebra prior to being received within the body of the bone anchor assembly. Accordingly, the anchor assembly enables a surgeon to implant the bone anchor without the body to maximize visibility and access around the anchoring site. Once the bone anchor has been secured to the patient's vertebra, the body may be snapped onto the bone anchor and a spinal rod may be inserted into the rod-receiving channel. | 05-22-2014 |
20140142635 | VARIABLE ANGLE SPINAL SCREW ASSEMBLY - A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in the head portion for use in driving the screw into a vertebrae. The head portion of the screw is positioned in a body member adjacent a curvilinear surface disposed about an aperture in the end of the body member such that the shaft portion of the screw extends therethrough and the curvilinear inner surface abuts and mates with the head portion of the screw so as to define a ball joint therewith. The body member additionally defines a pair of opposed parallel slots therein adapted to receive a portion of the fixation rod and a locking cap bears against the fixation rod to releasably secure the rod within the assembly. | 05-22-2014 |
20140148857 | SPINE ROD CLAMPING BODY AND PEDICLE SCREW ASSEMBLY COMPRISING SAME - A pedicle screw assembly having a spine rod clamping body designed for exhibiting a limited amount of elastic deformation at a region location between its spine rod mounting portion and its bone screw connecting portion. When the pedicle screw assembly is placed in a spine stabilization procedure, a limited amount of motion within the fixation apparatus as a result of the spine rod clamping body exhibiting a limited amount of elastic deformation at the region location between its spine rod mounting portion and its bone screw connecting portion. This limited amount of motion can accelerate bone fusion. By reducing movement-induced stress concentrations, the limited amount of elastic deformation provided by the spine rod clamping body can enhance a rate at which bone fusion progresses and can reduce the potential for damage to the interface between the bone screw and bone. | 05-29-2014 |
20140148858 | TRANSVERSE CONNECTOR - A transverse connector for coupling between first and second vertebral anchors of a spinal stabilization system. The transverse connector includes a first coupling assembly proximate a first end, a second coupling assembly proximate a second end, a first fastener having external threading configured to threadably engage an internal threaded portion of a housing of the first vertebral anchor, and a second fastener having external threading configured to threadably engage an internal threaded portion of a housing of the second vertebral anchor. Each of the first and second fasteners includes a spherical upper surface, such as a spherically concave upper surface. A spherical surface of each of the first and second coupling assemblies mates with the spherical upper surface of the respective fastener to provide multi-axial rotation of the transverse connector relative to the housings to permit a desired orientation of the transverse connector. | 05-29-2014 |
20140163618 | BONE ANCHORING DEVICE - A bone anchoring device for securement to a bone. The device includes an anchor, a receiver, a retainer and an insert. The receiver includes a seating surface defining a cavity communicating with the exterior of the receiver through a first opening configured to receive the connection head of the anchor therethrough. The retainer includes at least two discrete retaining members configured to engage with the receiver seating surface when they are captured between the connection head and the seating surface. The insert is disposed within the receiver and configured to frictionally engage the connection head. The insert includes a main body and at least one pin protruding from the main body, for circumferential insertion between two adjacent retaining members of the retainer. | 06-12-2014 |
20140163619 | UNI-PLANER BONE FIXATION ASSEMBLY - A bone fixation assembly includes a plurality of bone fixation elements that each include a bone anchor configured to be implanted into underlying bone, such as a vertebra. Each bone anchor is received in an anchor seat, and the anchor seats are joined by a fixation rod so as to operatively couple and fix the position and orientation of the vertebrae relative to each other. The bone anchor is free to rotate relative to the anchor seat, and is also free to pivot in a desired direction relative to the anchor seat. | 06-12-2014 |
20140188171 | BONE FIXING DEVICE - A bone fixing device includes a tubular member that has an end having an inside surface defining a constraint section. A fixing member has opposite ends respectively forming a movable joint section that is receivingly engageable with the constraint section and a threaded section that is attachable to a bone or a retention section that is snap-fit over a bone. The movable joint section forms a constraint face corresponding to the constraint section. The constraint section and the constraint face collectively constrain a swing direction of the fixing member. The movable joint section has a top end with which a constraint member is abuttingly engageable. Further, the tubular member forms an elongate constraint slot in a portion adjacent to the constraint section for constraining swing angle of the fixing member. The constraint slot has a length that is proportional to the swing angle of the fixing member. | 07-03-2014 |
20140188172 | Rod Coupling System and Devices and Methods of Making and Using the Same - Provided are rod coupler devices, systems, kits and methods, which include at least one saddle having a concave configuration that either abuts a bone fastener and/or a locking cap and is shaped so as to contact the rod in two or more lines of contact, which reduces pressure on the rod, and therefore permits use of a rod having various materials, such as PEEK, without significant deformation of the rod. Also provided is the saddle itself and integrated locking caps that include a saddle, the locking cap and a set screw. Also provided are elongate rods having advantageous shapes, configurations, and/or compositions for rod coupler devices, systems and methods. Further provided are screw and cap devices and systems that themselves include a concave configuration so as to contact a rod in two or more lines of contact, which reduces pressure on the rod. | 07-03-2014 |
20140188173 | Orthopedic Fixation Devices and Methods of Installation Thereof - The present invention is generally directed to orthopedic fixation devices that comprise a coupling element and a bone fastener, whereby the bone fastener can be loaded into the coupling element through the bottom of a bore in the coupling element. The orthopedic fixation devices described herein can include modular locking clamp assemblies that can be fixed onto fasteners that are already implanted in bone. The modular locking clamp assemblies can include polyaxial locking clamp assemblies, as well as monoaxial locking clamp assemblies. | 07-03-2014 |
20140188174 | ANCHORING MEMBER SUITABLE FOR USE IN A POLYAXIAL BONE ANCHORING DEVICE AND POLYAXIAL BONE ANCHORING DEVICE WITH AN ENLARGED PIVOT ANGLE TO ONE SIDE - An anchoring member is provided suitable for use in a polyaxial bone anchoring device, the anchoring member ( | 07-03-2014 |
20140200617 | Posterior Fixation System - A posterior fixation system includes a saddle member, an anchoring member, an occipital plate, an occipital rod, and a cross-link connector. The anchoring member anchors the saddle member to bone. The saddle member includes a channel that is adapted to receive an orthopedic rod. The saddle member and the anchoring member can be coupled so as to allow multi-axial movement of the members. Connection of individual rods can be accomplished by connecting the rods with the cross-link connector. The occipital plate secures the rods to the occipital bone of the skull. Alternatively, the occipital rod can be secured to the occipital bone. | 07-17-2014 |
20140236238 | Iliosacral polyaxial screw - Provided is an iliosacral polyaxial screw system. A multiple part insert member is provided to secure the screw to the housing of the assembly to accommodate screws in which the shank diameter of the screw is greater than the bottom opening of the screw housing or greater than the opening of a ring member designed to capture the head of the screw in the housing. | 08-21-2014 |
20140236239 | COUPLING ASSEMBLY FOR COUPLING A ROD TO A BONE ANCHORING ELEMENT AND BONE ANCHORING DEVICE WITH SUCH A COUPLING ASSEMBLY - A coupling assembly is provided for coupling a rod to a bone anchoring element, the coupling assembly including
| 08-21-2014 |
20140243900 | ILIOSACRAL POLYAXIAL SCREW - Provided is an iliosacral polyaxial screw system. A multiple part insert member is provided to secure the screw to the housing of the assembly to accommodate screws in which the shank diameter of the screw is greater than the bottom opening of the screw housing or greater than the opening of a ring member designed to capture the head of the screw in the housing. | 08-28-2014 |
20140257400 | Elastic Member Clamps - The present application generally relates to orthopedic stabilization systems, and in particular, to systems including clamps. The clamps can be used in addition to or to replace hooks that grasp onto bone members, such as the lamina. One example of such a clamp is an in-line clamp that includes a central opening for receiving a rod member, a first opening for receiving a set screw and a second opening for receiving an elastic member therethrough. Another example of such a clamp is an off-set clamp that includes an upper plate, a bottom plate, and an opening for receiving a rod therein. The upper plate can be separated from the bottom plate to make space for an elastic member that can be secured within the plates. Tulip clamps that utilize one or more elastic members are also provided. | 09-11-2014 |
20140257401 | Elastic Member Clamps - The present application generally relates to orthopedic stabilization systems, and in particular, to systems including clamps. The clamps can be used in addition to or to replace hooks that grasp onto bone members, such as the lamina. One example of such a clamp is an in-line clamp that includes a central opening for receiving a rod member, a first opening for receiving a set screw and a second opening for receiving an elastic member therethrough. Another example of such a clamp is an off-set clamp that includes an upper plate, a bottom plate, and an opening for receiving a rod therein. The upper plate can be separated from the bottom plate to make space for an elastic member that can be secured within the plates. Tulip clamps that utilize one or more elastic members are also provided. | 09-11-2014 |
20140277157 | Locking Compression Members for Use With Bone Anchor Assemblies and Methods - Various exemplary methods and devices are provided for fixing bone anchors to bone. In general, the methods and devices can allow for a bone anchor to be fixed to a bone at a desired angle to a surface of the bone. In an exemplary embodiment, a bone anchor assembly is provided that includes a bone anchor configured to engage bone, a receiver member for seating a head of the bone anchor, and a compression member for securing the bone anchor at fixed angle with respect to the receiver member when the compression member is seated within the receiver member. Corresponding engagement features of the compression member and the receiver member can be engaged in a secured configuration to inhibit or prevent removal of the compression cap from the receiver member and optionally to substantially prevent longitudinal and/or rotational movement of the compression member with respect to the receiver member. | 09-18-2014 |
20140277158 | BOTTOM-LOADING BONE ANCHOR ASSEMBLIES AND METHODS - Bone anchor assemblies and methods are provided having a multi-component bone anchor that is configured to allow the shank of the bone anchor to be bottom loaded into a receiver member. In one embodiment, a bone anchor assembly is provided having a shank with a distal threaded portion and a proximal head portion, a ball having a spherical exterior surface and a central lumen sized to receive the head portion of the shank, and a clip configured to be engaged between the head portion and the ball such that the clip is effective to lock the ball in engagement with the shank. | 09-18-2014 |
20140277159 | BOTTOM-LOADING BONE ANCHOR ASSEMBLIES - Bone anchor assemblies are disclosed herein and include bone anchors, receiver members, and closure mechanisms. In one embodiment, a receiver member can be configured to seat a portion of a bone anchor and to receive a spinal fixation element, such as a rod. In an exemplary embodiment, the receiver member is bottom-loading and can include a seat having an opening that can be selectively increased and decreased in size so as to allow a bone anchor to be bottom-loaded. A force can be applied to the receiver member to increase a size of the opening, allowing a portion of the anchor to pass through the opening and into the seat. A closure element can be coupled to the receiver member and can apply a force to decrease a size of the seat and a size of the opening, angularly fixing the receiver member relative to the bone anchor. | 09-18-2014 |
20140277160 | ADJUSTABLE ROD CONNECTOR - Example embodiments relate to systems and apparatuses for securing surgically implantable implantation rods, comprising a first body having a recessed portion formed by a first surface of the first body, a second body having a recessed portion formed by a first surface of the second body, and a connecting member having an elongated body defining a common longitudinal axis for the first body and the second body, the connecting member receivable in the recessed portion of the first body and the recessed portion of the second body. The connecting member is operable to cooperate with the first body to restrict movement of the first body relative to the second body about the common longitudinal axis when engaged in a substantially locked position, and the first body is moveable relative to the second body when disengaged from the substantially locked position. | 09-18-2014 |
20140277161 | Bone Anchor Assemblies and Methods With Improved Locking - Various exemplary methods and devices are provided for fixing bone anchors to bone. In general, the methods and devices can allow for a bone anchor to be fixed to a bone at a desired angle to a receiver member. In an exemplary embodiment, a bone anchor assembly is provided that includes a bone anchor configured to engage bone, a receiver member that seats a spherical head of the bone anchor and a spinal fixation element, a compression member seated within the receiver member, proximally of the head of the bone anchor, and a closure mechanism seated within the receiver member, proximally of the compression member. One or more of the receiver member, the compression member, and the closure mechanism can have gripping features thereon configured to secure the bone anchor and/or the spinal fixation element within the receiver member, thereby reducing a risk of slippage of the bone anchor and/or the spinal fixation element with respect to the receiver member. | 09-18-2014 |
20140277162 | FIXATION IMPLANT AND METHOD OF INSERTION - An implant includes an implantable portion and a housing. The implantable portion has a head and a shank extending from the head. The shank has a solid outer surface and defines a radius of curvature. The housing is pivotally and rotatably coupled to the head and is configured to secure a rod to the implantable portion. The housing is fixed relative to the implantable portion when a rod is secured within the housing. | 09-18-2014 |
20140277163 | REINFORCEMENT SYSTEMS FOR SPINE STABILIZATION CONSTRUCTS - Reinforcement systems including clamp devices and reinforcement rods to stabilize pre-existing or co-existing spine stabilization constructs. | 09-18-2014 |
20140296920 | BONE ANCHORING DEVICE - A bone anchoring device includes an anchoring element with a shank to be anchored in a bone or a vertebra and a head. The anchoring device also includes a receiving portion with a first end and a second end opposite to the first end, a longitudinal axis passing through the two ends, a bore coaxial with the longitudinal axis, and a first region adjacent to the second end for receiving a section of said head. The anchoring device further includes an element which exerts pressure on said head to lock said head in the receiving portion. The receiving portion and the anchoring element are connected such that the longitudinal axis of the receiving portion and the shank axis have a fixed angle relative to each other. Additionally, the receiving portion and the shank are rotatable with respect to each other around the longitudinal axis and are locked in the rotational position when pressure is exerted on the head. | 10-02-2014 |
20140303674 | PARALLEL ROD CONNECTOR - A connector assembly for attaching multiple spinal rods to each other, the connector assembly including a connector body having a top surface, first and second ends, a first opening extending along a longitudinal axis from the first end to the second end, a second opening offset from the first opening and extending along a longitudinal axis from the first end to the second end, and a threaded opening extending along a longitudinal axis from the top surface and into the connector body; and a set screw assembly having a threaded portion that is engageable with the threaded opening of the connector body. | 10-09-2014 |
20140309698 | AUTOMATIC LENGTHENING BONE FIXATION DEVICE - A bone fixation device adapted to be coupled to bone anchors that allows movement of rods to permit a screw-rod construct to lengthen in response to bone growth without necessitating post surgical installation adjustment of the device. The bone fixation device includes a locking mechanism that is operably associated with a housing to allow relative movement of a rod and a housing in a first direction and inhibiting relative movement of the rod and the housing in a second direction. | 10-16-2014 |
20140330315 | SYSTEMS AND METHODS FOR SPINAL ROD INSERTION AND REDUCTION - A guide assembly includes a spinal screw assembly having a bone screw and a spinal rod holder; and a spinal rod guide having first and second elongated arc portions defining a pair of longitudinal slots extending along the first and second arc portions, each of the first and second arc portions further defining at least one recess extending transversely from each of the longitudinal slots, the at least one recess configured to receive at least a portion of a reduction tool to enable reduction of a spinal rod received within the spinal rod holder. | 11-06-2014 |
20140330316 | SPINAL ROD CONNECTOR - A rod connector for joining a first rod and a second rod includes bore holes that are offset and/or non-parallel to each other. The rod connector provides an offset or non-parallel connection between the rods that allows for the rods to match the contour of a patient's body without requiring bending of the rods. The rod connector may include a first bore hole for receiving the first spinal rod and a second bore hole for receiving the second spinal rod that is adjustable relative to the first bore hole to adjust the position and/or orientation of the second spinal rod relative to the first spinal rod. The rod connector may comprise a first housing component defining the first bore hole and a second housing component that is movable relative to the first housing component and defining the second bore hole. | 11-06-2014 |
20140343613 | BONE ANCHORING MEMBER WITH CLAMP MECHANISM - A multi-piece disc replacement implant for replacing a disc removed by a discectomy including an upper plate member, a lower plate member, and an intermediate resilient member providing movement between te two plate members replicating the natural movement of the spine. The plate members are rigid and have orthogonal sidewalls forming an enclosure. The resilient member is an elastic solid or a multi-chamber balloon structure of fluid-filled sacks that collectively define a non-uniform shape such as an oblate spheroid, or a helically coiled string of beads. Such an implant is capable of supporting the compressive and cyclic loads required of a natural disc. The upper and lower plate members are cooperatively formed to selectively limit the allowable range of motion in any given direction and a provided with protrusions to be received in one or more channels cooperatively formed in the vertebrae and secured in place by a bone screw. | 11-20-2014 |
20140350606 | ANCHORING ELEMENT AND STABILIZATION DEVICE FOR THE DYNAMIC STABILIZATION OF VERTEBRAE OR BONES USING SUCH ANCHORING ELEMENTS - An anchoring element for a stabilization device for bones or vertebrae, with which a bone or vertebra can be connected to a rod-shaped element is described. By providing for at least one degree of rotational freedom between the rod and an anchoring element that is firmly connected to the bone or vertebra, the transfer of torque (M) onto the anchoring element and can be prevented as well as loosening or even separation of the bone anchoring element from the bone or vertebra. Moreover, the invention provides a stabilization device, in which such bone anchoring elements are used. | 11-27-2014 |
20150012043 | SPINAL FIXATION SYSTEM - A fastener assembly for a spinal fixation system that is particularly useful in treatment of pediatric and small-statured patients includes a fastener, an attachment member, and a locking member. The fastener has a lower portion for contacting a bone and an upper portion integral with the lower portion. The upper portion has two open channels. Each channel is configured and dimensioned to receive a portion of a longitudinal or connecting member along its circumference. The attachment member is positionable on the fastener and at least partially covers the channel that receives the longitudinal or connecting member. The locking member is operatively associated with the upper portion of the fastener and secures the attachment member and the longitudinal or connecting member to the fastener. | 01-08-2015 |
20150018885 | VERTEBRAL OSTEOSYNTHESIS EQUIPMENT - This equipment comprises at least one rigid connecting bar ( | 01-15-2015 |
20150025580 | CLOSURE FOR OPEN-HEADED MEDICAL IMPLANT - A closure for an open headed medical implant, such as a bone screw. The closure having a cylindrical body having an axis of rotation and also having a radially outer surface with a thread or other guide and advancement structure thereon. The body having a plurality of apertures that open onto a top surface of the body and that are parallel to but spaced from the axis of rotation. The closure also has a break-off head centrally attached by a neck to the top surface of the body. | 01-22-2015 |
20150032162 | COUPLING ASSEMBLY FOR COUPLING A ROD TO A BONE ANCHORING ELEMENT, KIT OF SUCH A COUPLING ASSEMBLY DIFFERENT ROD RECEIVING ELEMENTS AND BONE ANCHORING DEVICE - An instrument for inserting a bone anchoring element into a bone is provided, the instrument including a shaft ( | 01-29-2015 |
20150039036 | LOW PROFILE SPINAL TETHERING DEVICES - Methods and devices for treating spinal deformities are provided. In one exemplary embodiment, a low-profile spinal anchoring device is provided for receiving a spinal fixation element, such as a tether, therethrough. The device generally includes a staple body that is adapted to seat a spinal fixation element, a fastening element for fixing the staple body to bone, and a locking assembly for coupling a spinal fixation element to the staple body. In one embodiment, the locking assembly includes a washer that is adapted to couple to the staple body such that the spinal fixation is disposed therebetween, and a locking nut that is adapted to engage the staple body to mate the washer to the staple body. | 02-05-2015 |
20150051649 | Variable Angle Connection Assembly - In a preferred embodiment, the present invention provides a connection assembly that can be used to securely connect a spinal implant to a bone anchor. In particular, the present invention preferably provides a variable angle connection assembly that is able to securely connect the spinal implant to the anchors even when there is a variance in the angle and position of the anchors with respect to the spinal implant. Furthermore, in a preferred embodiment, the present invention provides a connection assembly that will not inadvertently lock the components of the connection assembly preventing the relative movement of the components. | 02-19-2015 |
20150057708 | POSTED TRANSLATION SYSTEM AND METHOD - Connector assemblies are provided to couple an elongate member extending along the spinal column to a bone engaging implant engaged to the spinal column. The connector assembly includes a coupler having an implant coupling portion and an elongate member coupling portion. The positioning and orientation of the coupler relative to the implant and elongate member can be adjusted to facilitate engagement of the connector assembly between the implant and elongate member. | 02-26-2015 |
20150066090 | SPINAL IMPLANT - This disclosure relates to a spinal implant that can provisionally retain a rod in an assembly head without having to first lock the rod relative to the assembly head. The spinal implant has a clip insert structured to retain the rod in the assembly head. The clip insert has a top portion with a cylindrical opening and extending over the cylindrical opening to cover the connection rod in part when the connection rod is engaged in the clip insert. The top portion is deformable by application of force on the connection rod to engage the connection rod with the clip insert. The clip insert and the assembly head are mechanically decoupled and can be fully received within the assembly head. The mechanical forces to which the assembly head is subjected are not transmitted to the clip insert. | 03-05-2015 |
20150080960 | COUPLING ASSEMBLY FOR COUPLING A ROD TO A BONE ANCHORING ELEMENT, POLYAXIAL BONE ANCHORING DEVICE AND MODULAR STABILIZATION DEVICE - A coupling assembly for coupling a rod to a bone anchoring element, and including a receiving part having a first end, a second end, and an accommodation space having an opening at the second end for inserting a head of the bone anchoring element, a pressure element insertable from the first end, positionable in the accommodation space, and configured to hold the head, the pressure element having at least one spring portion extending circumferentially around the pressure element and being radially compressible, and a rod receiving element separable from the pressure element, wherein in a first position, the spring portion is configured to engage an engagement structure at an inner wall of the receiving part to prevent movement of the pressure element towards the first end, and wherein the rod receiving element is configured to move the pressure element from the first position towards the second end. | 03-19-2015 |
20150080961 | BONE ANCHORING DEVICE - A bone anchoring device includes an anchoring element having a head, a receiving portion having a first region adjacent to a second end for receiving the head and a recess which is open towards a first end to form two free legs for receiving a rod. The anchoring device further includes a pressure element configured to couple to the head, a first closure element and a second closure element. The first closure element cooperates with the legs to simultaneously fix the rod in the recess and fix the head in the receiving portion, and the second closure element cooperates with the legs, the second closure element acts on the pressure element and on the rod to independently fix the head in the receiving portion and fix the rod in the recess. The first closure element and the second closure element are interchangeable. | 03-19-2015 |
20150080962 | SYSTEM FOR IMPLANTING A ROD IMPLANT ALONG A SPINE OF A PATIENT - A tool set for implanting a rod in a human spine in conjunction with bone screws. The tool set includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Intermediate guide tools having guiding pass through slots are utilized to guide intermediate locations along the rod toward associated bone screws. An attachment structure operably connects the guide tools to the bone screws. The guide tools each include a lower guide and advancement structure to allow a closure top with mating structure to be rotated and driven downward against the rod and to cooperate with similar structure in the bone screw to seat and lock the rod therein. A method utilizing the tool set allows a surgeon to percutaneously implant the rod in the patient. | 03-19-2015 |
20150134006 | Lockable Pedicle Fastener - A spinal fixation system comprising at least one fastener having a fastener head at a proximal end and at least one body. The body comprises a rod receiving channel for receiving a fixation rod, a pressure cap for engaging the fastener head, and a fastener head receiving chamber for retaining the fastener head within the body. The fastener head receiving chamber allows for multi-axial movement of the body in relation to the fastener when the pressure cap is disengaged from the fastener head. The body is secured in a mono-axial position in relation to the fastener when the pressure cap is biased against the fastener head. | 05-14-2015 |
20150148848 | Bottom loading low profile fixation system - A low profile orthopedic device is used to fix and stabilize bones to correct anomalies in skeletal structure occurring naturally or by trauma. Bone screws are screwed into bones by application of torque. Connectors are attached to the anchored bone screws. Each connector includes a clamp and a compression ring. A connecting rod connects several connectors together. The clamps are tightened to hold the rod to the bone screws in a pre-selected position by linear movement of the compression ring. | 05-28-2015 |
20150297263 | SYSTEM AND METHOD FOR FACET JOINT REPLACEMENT WITH DETACHABLE COUPLER - A facet joint replacement system includes an inferior implant with an inferior articular surface, and a superior implant with a superior articular surface. The implants may be coupled together by a detachable coupler which can align and rigidly hold the inferior and superior articular surfaces in a preferred alignment relative to one another. In one method of implantation, the superior and inferior implants may be aligned and coupled together with the coupler, and then secured to fixation members anchored in adjacent vertebrae. Alternatively, a first implant may be secured to a fixation member anchored in a first vertebra, and a second implant coupled to the coupler, aligned with the first implant and then secured to a fixation member anchored in a second vertebra. A tool may grip, position and/or deliver the coupler and the implants. | 10-22-2015 |
20150351808 | SYSTEMS AND METHODS FOR SPINAL ROD INSERTION AND REDUCTION - A guide assembly includes a spinal screw assembly having a bone screw and a spinal rod holder; and a spinal rod guide having first and second elongated arc portions defining a pair of longitudinal slots extending along the first and second arc portions, each of the first and second arc portions further defining at least one recess extending transversely from each of the longitudinal slots, the at least one recess configured to receive at least a portion of a reduction tool to enable reduction of a spinal rod received within the spinal rod holder. | 12-10-2015 |
20150351810 | VERTEBRAL COLUMN-STABILIZING SYSTEM AND SURGICAL FASTENING ELEMENT FOR A VERTEBRAL COLUMN-STABILIZING SYSTEM - A surgical fastening element for a spinal column stabilization system includes at least two fastening elements and at least one connecting element, the surgical fastening element including a fastening section, a holding section with a connecting element receptacle, and a fixing element fixable on the holding section for fixing the connecting element in the connecting element receptacle. The fixing element carries a holding down element for holding the connecting element down in the connecting element receptacle. | 12-10-2015 |
20150351811 | APPARATUS AND DEVICES FOR PERCUTANEOUSLY EXTENDING AN EXISTING SPINAL CONSTRUCT - Apparatus and devices for adding an additional spinal construct in a patient are disclosed. In one arrangement the additional spinal construct extends an existing spinal construct ipsilaterally with an inline rod connector in a minimally invasive or preferably, percutaneous procedure. In another arrangement, the ipsilateral extension of an existing spinal construct uses an offset rod connector for receiving an additional spinal rod that may be placed interiorly or exteriorly of the existing spinal construct. | 12-10-2015 |
20160008034 | MINIMALLY INVASIVE PEDICLE SCREW EXTENSION SLEEVE SYSTEM | 01-14-2016 |
20160015429 | BONE FASTENER AND METHODS OF USE - A bone fastener includes a first portion that defines a longitudinal axis and includes an inner surface defining an implant cavity. A second portion that includes a first end and a second end configured to penetrate tissue. A retainer includes a wall having a first end surface and a second end surface. The wall including at least one first elongated cavity and at least one second elongated cavity. The first cavity includes a gap of the first end surface and the second cavity including a gap of the second end surface. The wall further includes an inner surface disposed about the first end. Systems and methods are disclosed. | 01-21-2016 |
20160058479 | SURGICAL CROSS CONNECTOR - Example embodiments relate generally to an apparatus operable to couple a pair of implantation rods that are surgically implanted adjacent to a plurality of vertebrae. Each implantation rod is secured by at least one fastener element having a head. The apparatus comprises at least one main assembly, said main assembly operable to move relative to a head of one of the fastener elements when not in a locked position. The apparatus also comprises a center link extending in an axial direction, said center link operable to move relative to the main assembly when not in a locked position. The main assembly is operable to receive the center link and a head of one of the fastener elements and secure the center link and the head relative to the main assembly when in a locked position. | 03-03-2016 |
20160081721 | Orthopedic Stabilization Devices and Methods for Installation Thereof - Embodiments herein are generally directed to fastener or fixation members, such as bone screws, for use in orthopedic stabilization assemblies. | 03-24-2016 |
20160089187 | SPINAL CONNECTORS AND RELATED METHODS - In some embodiments, a connector can be configured to couple a first fixation element (e.g., a first rod) to a second fixation element (e.g., a second rod). One or both of the first and second fixation elements can be included with the connector, or one or both can be separately provided. In some instances, at least one of the fixation elements is previously implanted in a patient. The connector can provide one or more degrees of freedom between the first and second fixation elements. The connector can also include a locking element configured to (1) lock one or more of the fixation elements to the connector, and (2) lock one or more of the degrees of freedom between the fixation elements. The connector can be configured to snap onto or otherwise engage a fixation element in a manner that provides tactile and/or audible feedback to the surgeon. | 03-31-2016 |
20160106469 | ORTHOPEDIC CLAMP AND EXTENSION ROD - Spinal implants and methods of extending pre-existing spinal implant constructs. An extension clamp may be connected to an original spinal implant including an elongated rod attached to a portion of the spine without removal of the original spinal implant. The extension clamp may include a yoke and an extension rod extending from the yoke. The yoke may include a first end and a second end, the first end having first and second rod engaging portions and a channel between the first and second rod engaging portions for encompassing a fastener, and the second end being spaced apart from the first end. The first and second rod engaging portions may be configured and dimensioned to secure the extension clamp to the elongated rod. | 04-21-2016 |
20160113684 | SPINAL IMPLANT SYSTEM AND METHODS OF USE - A spinal implant system comprises at least one first member including an inner surface defining an implant cavity. A second member is configured to penetrate tissue and includes an inner surface defining a cavity. A third member is engageable with the inner surfaces to resist and/or prevent movement of the second member relative to the first member. Fasteners, instruments and methods are disclosed. | 04-28-2016 |
20160151092 | ORTHOPAEDIC DEVICE AND METHODS FOR ITS PRE-ASSEMBLY AND ASSEMBLY | 06-02-2016 |
20160157896 | ELASTIC MEMBER CLAMPS - The present application generally relates to orthopedic stabilization systems, and in particular, to systems including clamps. The clamps can be used in addition to or to replace hooks that grasp onto bone members, such as the lamina. One example of such a clamp is an in-line clamp that includes a central opening for receiving a rod member, a first opening for receiving a set screw and a second opening for receiving an elastic member therethrough. Another example of such a clamp is an off-set clamp that includes an upper plate, a bottom plate, and an opening for receiving a rod therein. The upper plate can be separated from the bottom plate to make space for an elastic member that can be secured within the plates. Tulip clamps that utilize one or more elastic members are also provided. | 06-09-2016 |
20160166287 | Variable Angle Connection Assembly | 06-16-2016 |
20160183985 | SPINAL STABILIZATION CAM-LOCKING CROSS-CONNECTOR - An adjustable spinal implant device including a first member and a second member, the first member adapted to receive the second member and to lock the second member in position relative to the first member. The first and second members may each comprise coupling portions adapted to couple to a spinal stabilization rod with a snap-fit. Cam locks may be adapted to be rotatably positioned in each member, wherein each member comprises a cam bore configured to receive a cam lock. The first cam lock and second cam lock may be each rotatable between a locked position and an open position. | 06-30-2016 |
20180021066 | ORTHOPEDIC CLAMP AND EXTENSION ROD | 01-25-2018 |