| Patent Number |
Title Of Patent |
Date Issued |
| RE39089 |
Polyaxial pedicle screw having a threaded and tapered compression locking mechanism |
May 2, 2006 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a two-piece interlocking coupling element which mounts about the curvate head, and a rod receiving cylindrical body member having a tapered socket into which both the screw and the |
| RE37665 |
Polyaxial pedicle screw having a threaded and tapered compression locking mechanism |
April 16, 2002 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a two-piece interlocking coupling element which mounts about the curvate head, and a rod receiving cylindrical body member having a tapered socket into which both the screw and the |
| 6666867 |
Longitudinal plate assembly having an adjustable length |
December 23, 2003 |
| An orthopedic device including a longitudinal plate assembly having an adjustable length and two ends. Each of the ends includes a feature that can be used to couple the end to a body structure, such as, for example, a vertebral bone. Preferably, the assembly includes two longitudinal pl |
| 6482207 |
Efficient assembling modular locking pedicle screw |
November 19, 2002 |
| A modular pedicle screw and rod implant assembly includes a shant screw, a rod holding element, a locking member, a rod, and a nut. The shant screw has a lower threaded shaft portion for insertion into the pedicle and a top shaft portion which is unthreaded, a portion of which is tapered |
| 5888204 |
Acetabular cup having capped polyaxial locking screws |
March 30, 1999 |
| The present invention is an acetabular cup having at least one polyaxial locking screw for anchoring the cup in the desired bone site. The assembly includes an acetabular cup having at least one through hole having both threaded and tapered portions, into which holes a two-piece interloc |
| 5882350 |
Polyaxial pedicle screw having a threaded and tapered compression locking mechanism |
March 16, 1999 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a two-piece interlocking coupling element which mounts about the curvate head, and a rod receiving cylindrical body member having a tapered socket into which both the screw and the |
| 5817094 |
Polyaxial locking screw and coupling element |
October 6, 1998 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a locking collar disposed therearound, and a coupling element having a tapered socket into which both the screw and the collar are securely nested. The locking collar is slotted and t |
| 5810818 |
Spinal hook implant having a low blade and S swivel hook |
September 22, 1998 |
| A hook device for use with support rod implantation apparatus is disclosed which is positionable along the central axis of the posterior surface of the spine and has independently rotationally positionable blade and head portions. The head portion is engageable with a deflecting top cyli |
| 5752955 |
Sliding shaft variable length cross-link device for use with dual rod apparatus |
May 19, 1998 |
| A compression locking variable length cross-link device having a pair of rod hooking elements, each having rod securing and coupling ends. The coupling ends are slidably engaging by the insertion of one into the receiving socket of the other and for selective locking to one another i |
| 5733285 |
Polyaxial locking mechanism |
March 31, 1998 |
| A polyaxial colletted locking mechanism for use with orthopedic apparatus includes a screw, hook, or other orthopaedic implant element having a curvate head and a coupling element. The coupling element has a tapered and colletted portion having an interior chamber in which the curvate he |
| 5725588 |
Acetabular cup having polyaxial locking screws |
March 10, 1998 |
| The present invention is an acetabular cup having polyaxial locking screws for anchoring the cup in the desired bone site. The assembly includes an acetabular cup having axially tapered holes, into which holes coupling elements and bone screws may be inserted. The coupling elements each |
| 5709684 |
Advanced compression locking variable length cross-link device |
January 20, 1998 |
| A variable length cross-link device for use with orthopaedic dual rod apparatuses includes a pair of elongate elements, each having a first end which mates with a rod or pedicle screw. The first element has a second end which is narrow and extending. The second element has a second end |
| 5690630 |
Polyaxial pedicle screw |
November 25, 1997 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a locking collar disposed therearound, and a receiving member having a linearly tapered tapered socket in which the screw and the collar are nested. The locking collar is slotted and |
| 5688274 |
Spinal implant device having a single central rod and claw hooks |
November 18, 1997 |
| A hook and rod apparatus for implantation and fixation to the centerline of the spine, wherein the rod provides for immobilization of the spine via its inherent rigidity. The hook elements are designed to be mounted at the arched portion of the lamina. In a first plow shaped variation, t |
| 5688273 |
Spinal implant apparatus having a single central rod and plow hooks |
November 18, 1997 |
| A hook and rod apparatus for implantation and fixation to the centerline of the spine, wherein the rod provides for immobilization of the spine via its inherent rigidity. The hook elements are designed to be mounted at the arched portion of the lamina. In a first plow shaped variation, t |
| 5669911 |
Polyaxial pedicle screw |
September 23, 1997 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a locking collar disposed therearound, and a receiving member having a linearly tapered tapered socket in which the screw and the collar are nested. The locking collar is slotted and |
| 5667508 |
Unitary locking cap for use with a pedicle screw |
September 16, 1997 |
| A unitary locking cap mechanism, which is used with pedicle screws and other orthopaedic implant devices which couple bones to rods, includes rim and post portions which are rotationally freely coupled to one another to permit independent motion relative to one another. The rim element h |
| 5667507 |
Compression locking variable length cross-link device for use with dual rod apparatus |
September 16, 1997 |
| A compression locking variable length cross-link device having a pair of rod hooking elements, each having rod securing and flat coupling ends. The flat coupling ends are slidably coupled to one another for selective locking to one another independent of the relative separation of the ro |
| 5653763 |
Intervertebral space shape conforming cage device |
August 5, 1997 |
| An orthopaedic cage device having a rectangular cross-section and an intervertebral space shape conforming structure is formed of two opposing shell elements being hinged at one end to form an interior volume therebetween. The surface of the interior volume is tapered in the axial di |
| 5647873 |
Bicentric polyaxial locking screw and coupling element |
July 15, 1997 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a bicentric locking shell disposed therearound, and a coupling element having a curvate tapered socket into which both the screw and the shell nest. The bicentric shell is slotted |
| 5643265 |
Dynamic compression polyaxial locking screw plate assembly |
July 1, 1997 |
| A dynamic compression polyaxial locking screw plate assembly for reduction and/or drawing together, and immobilization, of displaced bone segments. The assembly comprises a plate, having an upper portion and a lower portion, at least one of which portions includes an elongate hole, into |
| 5609594 |
Extending hook and polyaxial coupling element device for use with side loading road fixation dev |
March 11, 1997 |
| A lamina hook is provided having a rod receiving body portion of variable length. Selected embodiments include a polyaxial coupling element for angulating the body portion. In each embodiment, the blade portion has a cylindrical recess and the body includes a shaft portion which is s |
| 5609593 |
Advanced polyaxial locking hook and coupling element device for use with top loading rod fixatio |
March 11, 1997 |
| A hook device for use with support rod implantation apparatus, having a rod receiving body polyaxially mounted to a blade portion such that the body may be polyaxially manuevered relative to the blade, for easy rod coupling. The blade portion has a semi-spherical head portion which sits |
| 5586984 |
Polyaxial locking screw and coupling element assembly for use with rod fixation apparatus |
December 24, 1996 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head and a coupling element. The coupling element has a tapered lower portion including a slotted interior chamber in which the curvate head is initially polyaxially disposed. The coupling |
| 5584834 |
Polyaxial locking screw and coupling element assembly for use with side loading rod fixation app |
December 17, 1996 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head and a coupling element. The coupling element has a tapered lower portion including a slotted interior chamber in which the curvate head is initially polyaxially disposed. The coupling |
| 5578033 |
Advanced polyaxial locking hook and coupling element device for use with side loading rod fixati |
November 26, 1996 |
| A hook device for use with support rod implantation apparatus in the spine, having a rod receiving body polyaxially mounted to a blade portion such that the body may be polyaxially maneuvered relative to the placement of the blade, for easy rod coupling. The blade portion of the device h |
| 5575792 |
Extending hook and polyaxial coupling element device for use with top loading rod fixation devic |
November 19, 1996 |
| A lamina hook device which has a rod receiving body portion of variable length. Selected embodiments include a polyaxial coupling element so that the rod receiving channel thereof may be angulated. In each embodiment, the blade portion has a cylindrical recess and the body includes a sha |
| 5554157 |
Rod securing polyaxial locking screw and coupling element assembly |
September 10, 1996 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head and a generally hollow coupling element. The coupling element includes an interior axial passage having an interior surface which is inwardly curvate at the lower portion thereof such |
| 5549608 |
Advanced polyaxial locking screw and coupling element device for use with rod fixation apparatus |
August 27, 1996 |
| A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head and a coupling element. The coupling element has a tapered lower portion including a slotted interior chamber in which the curvate head is initially polyaxially disposed; a recess form |
| 5531746 |
Posterior spinal polyaxial locking lateral mass screw plate assembly |
July 2, 1996 |
| The present invention is a polyaxial lateral mass locking screw plate assembly for immobilization of vertebral bones, via fixation to surfaces thereof. In one embodiment the invention includes a narrow elongate plate having a plurality of holes, which in one variation are threaded, into |
