Patent application number | Description | Published |
20080306538 | LOW PROFILE TRANSVERSE CONNECTOR - Provided is a novel low profile transverse connector system having a first and second spinal rod connection member disposed at opposing ends of an elongated cross connection device, each connection member having a distal end configured to be capable of connecting to a spinal rod and a proximal end having a multidirectional articulation joint at which a centrally disposed cross connecting assembly is provided to attach the first and second connection members to each other, the first and second spinal rod connection members each defining two opposing compression slots that serve to facilitate a secure connection to spinal rods and to the cross connecting assembly by the tightening of only one locking screw. Also provided is a method of stabilizing vertebrae using the disclosed system. | 12-11-2008 |
20090105774 | ROD INSERTION INSTRUMENT AND METHOD OF USE - An insertion tool for inserting a spinal rod into a patient is provided. The insertion tool includes an upper body portion defining a first longitudinal axis, a handle assembly extending from the upper body portion, an elbow member connected to a distal end of the body portion, a lower body portion defining a second longitudinal axis, and a drive mechanism extending between the handle assembly and the lower body portion for controlling the selective engagement of the spinal rod. The lower body portion extends from the elbow and is configured to selectively engage a spinal rod. | 04-23-2009 |
20090292308 | SPINAL FIXATION SYSTEM - A spinal fixation system includes a bone screw assembly, a low profile bone screw assembly, and a spinal rod. The bone screw assembly may include a separate locking structure. A laminar hook may be coupled to the rod. The spinal rod is operatively connected to the bone screw assembly and the low profile bone screw assembly. | 11-26-2009 |
20100094357 | SEMI-CONSTRAINED SCREW AND SPINAL PLATE ASSEMBLY - A semi-constrained screw and a cervical plate assembly that engages to a cervical area of the human vertebrae system are disclosed. The semi-constrained screw and cervical plate assembly includes a cervical plate and one or more semi-constrained bone screws. Each semi-constrained bone screw includes an elongated shank, which is mechanically and releasably coupled to a head portion. The head portion includes one or more threaded segments which define one or more slits therebetween. As the semi-constrained bone screw is driven through the screw opening in the cervical plate and into the bone, the head portion allows poly-axial movement of the shank relative to the head portion. | 04-15-2010 |
20100114180 | MULTI-PLANAR, TAPER LOCK SCREW WITH ADDITIONAL LOCK - A pedicle screw construct includes a pedicle screw, a coupling, a collet, and a set screw. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The collet is positioned atop the head of the pedicle screw. The collet and pedicle screw are inserted into the coupling. The set screw is positioned in the collet such that the set screw contacts a portion of the rod and is releasably secured to the pedicle screw via a gripping tool. The pedicle screw is rotatable and pivotable relative to the collet and coupling assembly. | 05-06-2010 |
20110046675 | TRANSVERSE ROD CONNECTOR - A transverse rod connector includes an elongate member having first and second ends and first and second connection members. The first and second connection members are connected with first and second ends, respectively. The first and second connection members are configured for multidirectional positioning with respect to the elongate member. The first and second connection members are each dimensioned to be selectively and releasably secured to a bone anchor. The elongate member is longitudinally adjustable. | 02-24-2011 |
20110087298 | ROD REDUCTION DEVICE - A rod reduction device includes a rod reducing member, an anchoring member, and a sleeve. The rod reducing member is configured to engage a spinal rod. The anchoring member is configured to removably attach to a bone anchor. The sleeve defines a longitudinal axis and is operably associated with the rod reducing member and the anchoring member. The sleeve is rotatable with respect to the anchoring member for longitudinally translating the rod reducing member relative to the anchoring member. | 04-14-2011 |
20110106172 | SEMI-CONSTRAINED BONE SCREW - A bone screw for attaching a bone plate to bone includes a shank defining a lumen extending at least partially therethrough from a proximal end thereof, a head defining a lumen therethrough, and a rod member. The rod member is configured for insertion through the lumen of the head and into the lumen of the shank. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head. | 05-05-2011 |
20110118791 | ROD REDUCTION DEVICE - A rod reduction device includes a housing defining a longitudinal axis. The housing has first and second arms extending distally therefrom. The distal ends of the arms are configured to releasably attach to a bone anchor. An anvil is operatively associated with the first and second arms of the housing and translatable along the longitudinal axis for facilitating the insertion of a spinal rod into the bone anchor. The anvil and each arm are positionable between an open position and a closed position. | 05-19-2011 |
20110172714 | SYSTEM AND METHOD FOR PERFORMING SPINAL SURGERY - Systems and methods for surgical spinal correction are disclosed. A system including a plurality of bone screws, spinal rods, manipulators, and/or transverse couplers is disclosed for the manipulation of the spinal column is disclosed. A method of achieving, in a single action, manipulation and/or rotation of the spinal column using the disclosed system is disclosed. Also disclosed is a method of conducting spinal surgery to correct spinal deformities wherein spinal rods are pre-bent in a physiological sagittal plane prior to attachment of the vertebrae using bone screws. | 07-14-2011 |
20110184470 | BONE SCREW ASSEMBLY - A bone screw assembly includes a first bone screw, second bone screw, and a coupler. The first bone screw defines a first axis and the second bone screw defines a second axis. The coupler is operably associated with the first bone screw and the second bone screw. The coupler is adapted to mount the first bone screw and the second bone screw to adjacent bone structures. The first axis of the first bone screw and the second axis of the second bone screw define an angle therebetween. The first bone screw and the second bone screw are securable to each other. | 07-28-2011 |
20110208248 | POLYAXIAL SCREW ASSEMBLY - A polyaxial screw assembly includes a pedicle screw, a coupling, an insert, and a housing. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The coupling is positioned on top the pedicle screw and releasably engages portions of the head. The coupling and pedicle screw are positioned within a distal portion of the housing. The pedicle screw is slid through an opening in the insert and the insert is thread into the distal portion of the housing to retain the coupling and the pedicle screw within the housing. The pedicle screw is rotatable and pivotable relative to the housing. Compressing the coupling within the housing locks the pedicle screw in a desired orientation. | 08-25-2011 |
20110230918 | ANTERIOR BRACKET FOR SPINAL FIXATION - A spinal fixation device includes a body defining a proximal surface, a pair of side surfaces, and a pair of angled surfaces extending distally and inwardly from opposite ends of the proximal surface. The proximal surface includes at least one proximal opening. Each angled surface includes at least one screw opening in communication with the proximal opening to define a passage extending through the body. The body is configured for positioning partially within an intervertebral space such that the angled surfaces are disposed in abutting relation with at least a portion of opposed surfaces of the adjacent vertebrae and such that the proximal surface is disposed exteriorly of the intervertebral space to permit insertion of a screw through the screw opening and into one of the opposed surfaces of the adjacent vertebrae. | 09-22-2011 |
20110230920 | SPINAL FIXATION APPARATUS AND METHODS - A bone engaging assembly includes first second bone engaging members. The first bone engaging member defines a first axis and has a first head and a first shaft. The first head defines one or more apertures therethrough. In embodiments, the first head defines a driver interface. The driver interface is defined within the first head and is configured to engage a driving instrument. In one embodiment, the first head includes a post extending from the first head that is configured to engage a rod coupling member. The second bone engaging member defines a second axis. The second bone engaging member defines a second head and a second shaft. The first axis of the first bone engaging member and the second axis of the second bone engaging member define an angle therebetween when the second bone engaging member is positioned within the one or more apertures of the first head. | 09-22-2011 |
20110251616 | EXPANDABLE REAMER AND METHOD OF USE - A surgical reamer assembly includes a dilator having a longitudinal passage extending therethrough for receiving a guidewire and a tubular channel positioned over the dilator. The surgical reamer assembly also includes an expandable reamer head coupled to an elongated shaft, such that the expandable reamer head is insertable through the tubular channel once the dilator and guidewire are removed. | 10-13-2011 |
20110288591 | MINIMAL PROFILE ANTERIOR BRACKET FOR SPINAL FIXATION - A spinal fixation device for securing to a spine includes a body having one or more longitudinal members extending between a pair of wedge members. Each wedge member defines one or more openings therethrough for the reception of a bone screw. The wedge members are disposed on opposite ends of the one or more longitudinal members. One of the wedge members is positionable within a first intervertebral space and the other wedge member is positionable within a second intervertebral space. The one or more longitudinal members define a length that spans one or more vertebrae. The one or more longitudinal members are positionable within the one or more vertebrae when the wedge members are positioned within the respective first and second intervertebral spaces to maintain the body in a minimal profile orientation relative to the spine. | 11-24-2011 |
20120022598 | SPINAL FIXATION SYSTEM - A method for immobilizing a spine. The method includes the steps of implanting at least one low profile screw assembly into a first portion of the spine, implanting at least one bone screw assembly that is not a low profile screw into a second portion of the spine and connecting a rod to both the at least one low profile screw assembly to the at least one bone screw assembly which is not a low profile screw. | 01-26-2012 |
20120035659 | TRANSVERSE CONNECTOR - The present disclosure provides a transverse connector having first and second spinal rod connecting members disposed on opposing ends of a cross member. Each spinal rod connecting member is configured to connect to a spinal rod. The first and second spinal rod connecting members are configured for multidirectional articulation relative to the cross member. | 02-09-2012 |
20120046699 | SPINAL FIXATION SYSTEM - A polyaxial pedicle screw includes a housing, a bone screw member, and an anvil. The bone screw member includes a head and a threaded shaft extending from the head. The head is selectively securable within the housing. The anvil is positionable within the housing adjacent to the head of the bone screw member when the anvil and the head of the bone screw member are positioned within the housing. The anvil may define one or more grooves in an outer surface of the anvil. The groove defines a flap that is flexibly attached to the anvil to enable the anvil to flex an amount sufficient to maintain the head of the bone screw in constant contact with the anvil when the bone screw member is moved relative to the anvil. | 02-23-2012 |
20120083662 | RETRACTOR - A retractor for use in spinal procedures is disclosed. The retractor includes a first frame member defining a first recess and a second frame member pivotally connected to the first frame member. The second frame member defines a second recess. The retractor further includes a first blade assembly operably received within the first recess and a second blade assembly operably received within the second recess. The first blade assembly includes a first blade configured to pivot relative to the first frame member and a first blade extender selectively extendable from the first blade. The second blade assembly includes a second blade configured to translate within the second recess and a second blade extender selectively extendable from the second blade. | 04-05-2012 |
20120215266 | SINGLE ACTION ANTI-TORQUE ROD REDUCER - A rod reducing device includes an elongate member, a pair of jaw members, a sleeve having a cam pin, and an actuation lever. Translation of the cam pin along the inner surfaces of the jaw members pivotally moves the jaw members between a receiving position in which distal end portions of the respective jaw members are widened and an engaging position in which the distal end portions of the respective jaw members are move toward each other to engage the head of the bone screw. The actuation lever is movable between an open in which a distal end portion of the sleeve is disposed proximal of the distal end portions of the jaw members and a closed position in which the distal end portion of the sleeve is disposed distal of the distal end portions of the jaw members for reducing the connecting rod. | 08-23-2012 |
20120245693 | SPINAL FIXATION DEVICE - A spinal fixation device includes a proximal surface having a first portion defining a first plane and a second portion defining a second plane. The first and second planes define a first angle in relation to each other. The first and second planes define first through holes and a second through hole, respectively. The first through holes each define a first longitudinal axis, and the second through hole defines a second longitudinal axis. In particular, the first and second longitudinal axes define a second angle in relation to each other. The first through holes define a first center line on the first plane, and the second through hole defines a second center line on the second plane. The first and second center lines are disposed on opposite sides of a center line defined by the proximal surface. | 09-27-2012 |
20130046344 | ROD REDUCTION DEVICE - A rod reduction device includes a housing defining a longitudinal axis. The housing has first and second arms extending distally therefrom. The distal ends of the arms are configured to releasably attach to a bone anchor. An anvil is operatively associated with the first and second arms of the housing and translatable along the longitudinal axis for facilitating the insertion of a spinal rod into the bone anchor. The anvil and each arm are positionable between an open position and a closed position. | 02-21-2013 |
20130046345 | SPINAL FIXATION SYSTEM - A polyaxial pedicle screw includes a housing, a bone screw member, and an anvil. The bone screw member includes a head and a threaded shaft extending from the head. The head is selectively securable within the housing. The anvil is positionable within the housing adjacent to the head of the bone screw member when the anvil and the head of the bone screw member are positioned within the housing. The anvil may define one or more grooves in an outer surface of the anvil. The groove defines a flap that is flexibly attached to the anvil to enable the anvil to flex an amount sufficient to maintain the head of the bone screw in constant contact with the anvil when the bone screw member is moved relative to the anvil. A rod reducer may be secured to the polyaxial pedicle screw to secure a spinal rod within the housing. | 02-21-2013 |
20130144342 | SPINE STABILIZATION SYSTEM - A spinal stabilization system includes a connecting rod, a rod bending device, and a plurality of bone screws. The connecting rod includes an elongate round portion, an elongate head portion and a neck portion connecting the elongate round portion with the elongate head portion. The rod bending device includes an elongate body defining an aperture configured and dimensioned to receive the connecting rod therethrough in a single orientation. The bone screws include a housing portion and a screw shaft distally extending from the housing portion. The housing portion includes an inner housing and an outer housing slidably surrounding at least a portion of the inner housing. The inner housing defines a slot configured and dimensioned to releasably secure the elongate round portion of the connecting rod therein. The outer housing is movable relative to the inner housing between an unlocked state and a locked state. | 06-06-2013 |
20130226245 | SEMI-CONSTRAINED BONE SCREW - A bone screw for attaching a bone plate to bone includes a shank defining a lumen extending at least partially therethrough from a proximal end thereof, a head defining a lumen therethrough, and a rod member. The rod member is configured for insertion through the lumen of the head and into the lumen of the shank. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head. | 08-29-2013 |
20140058458 | POLYAXIAL SCREW ASSEMBLY - A polyaxial screw assembly includes a pedicle screw, a coupling, an insert, and a housing. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The coupling is positioned on top the pedicle screw and releasably engages portions of the head. The coupling and pedicle screw are positioned within a distal portion of the housing. The pedicle screw is slid through an opening in the insert and the insert is thread into the distal portion of the housing to retain the coupling and the pedicle screw within the housing. The pedicle screw is rotatable and pivotable relative to the housing. Compressing the coupling within the housing locks the pedicle screw in a desired orientation. | 02-27-2014 |
20140114134 | LATERAL DISTRACTOR - A distraction device includes a cage distractor, two distractor blades, an inserter positioner, and a clip inserter. The cage distractor is selectively securable to the two distractor blades and includes two distractor housings moveable relative to one another. The inserter positioner is selectively securable to the two distractor blades and include a center member that is centered between the distractor blades when the inserter positioner is secured to the two distractor blades. The clip inserter is configured to secure a clip to a distal end thereof and is slidable through the center member to secure the clip to a cage distracted by the movement of the two distractor housings away from one another. The clip maintaining the distraction of the cage. | 04-24-2014 |
20140155942 | MINIMAL PROFILE ANTERIOR BRACKET FOR SPINAL FIXATION - A spinal fixation device for securing to a spine includes a body having one or more longitudinal members extending between a pair of wedge members. Each wedge member defines one or more openings therethrough for the reception of a bone screw. The wedge members are disposed on opposite ends of the one or more longitudinal members. One of the wedge members is positionable within a first intervertebral space and the other wedge member is positionable within a second intervertebral space. The one or more longitudinal members define a length that spans one or more vertebrae. The one or more longitudinal members are positionable within the one or more vertebrae when the wedge members are positioned within the respective first and second intervertebral spaces to maintain the body in a minimal profile orientation relative to the spine. | 06-05-2014 |
20140163617 | SYSTEM AND METHOD FOR PERFORMING SPINAL SURGERY - Systems and methods for surgical spinal correction are disclosed. A system including a plurality of bone screws, spinal rods, manipulators, and/or transverse couplers is disclosed for the manipulation of the spinal column is disclosed. A method of achieving, in a single action, manipulation and/or rotation of the spinal column using the disclosed system is disclosed. Also disclosed is a method of conducting spinal surgery to correct spinal deformities wherein spinal rods are pre-bent in a physiological sagittal plane prior to attachment of the vertebrae using bone screws. | 06-12-2014 |
20140214167 | SPINAL IMPLANTS, SPINAL IMPLANT KITS, AND SURGICAL METHODS - A spinal implant includes a body, plate, and bone screws. The body includes a first wall having second and third walls joined thereto to define legs. In an embodiment, the body and plate are of unitary construction. In alternative embodiments, the body is formed from a first material and is configured for positioning between vertebral bodies. In other embodiments, the body is separate from the plate. The plate has a main portion and a flange. The main portion has a first screw hole oriented towards the first vertebral body at an oblique angle relative to the horizontal axis of the body. The flange has a second screw hole oriented towards the second vertebral body and substantially parallel to the horizontal axis. The flange is coupled to the main portion and extends past the main portion. Each bone screw is insertable through a screw hole of the plate for attachment to bone. A kit including a body, bone screws, and a plurality of different plates is also provided. | 07-31-2014 |
20140277155 | TAPER LOCK HOOK - A spinal hook includes a hook member, an inner collet, and an outer portion. The hook member includes a head portion and a blade portion. The inner collet includes a base portion configured to rotatably engage the head portion and a pair of engaging portions defining a slot configured to receive a connecting rod therein. The outer portion is movable relative to the inner collet between a locked position in which the outer portion causes the pair of engaging portions to move toward each other and an unlocked position in which the outer portion causes the pair of engaging portions to be spread apart to facilitate insertion or removal of the connecting rod. | 09-18-2014 |
20140277503 | SPINAL FIXATION DEVICE - A spinal fixation device includes a body having a first end defining an aperture, an engaging portion configured to engage a vertebral body, and an adjustment member configured to be received in the body through the aperture. The adjustment member is operatively coupled with the engaging portion to selectively position the engaging portion at one of a plurality of orientations relative to the body. | 09-18-2014 |
20150025581 | RETENTION PLATE MEMBER FOR A SPINAL PLATE SYSTEM - A retention member for a spinal plate system where at least one or more segments of the retention member cover the head portion of a bone anchor member to inhibit movement of the bone anchor member that is inserted into the plate. The retention member allows for ease of insertion of the bone anchor member and once the bone anchor member is fully seated the retention member is in place. | 01-22-2015 |
20150057707 | TRANSVERSE CONNECTOR - The present disclosure provides a transverse connector having first and second spinal rod connecting members disposed on opposing ends of a cross member. Each spinal rod connecting member is configured to connect to a spinal rod. The first and second spinal rod connecting members are configured for multidirectional articulation relative to the cross member. | 02-26-2015 |