1
Joseph P Errico, Thomas J Errico: Intervertebral space shape conforming cage device. Fastenetix L L C, Joseph P Errico, August 5, 1997: US05653763 (498 worldwide citation)

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 direction. A threa ...


2
James D Ralph, Steve Tatar: Threaded polyaxial locking screw plate assembly. Fastenletix L L C, Joseph P Errico, March 4, 1997: US05607426 (470 worldwide citation)

The present invention is a polyaxial locking screw plate assembly for immobilization of vertebral bones, via fixation to surfaces thereof. The invention includes a plate, having an upper portion and a lower portion, each of which has a pair of holes having a threaded upper portion and a tapered lowe ...


3
Joseph P Errico, Thomas J Errico, James D Ralph: Polyaxial pedicle screw. Fastenetix, Joseph P Errico Esq, November 25, 1997: US05690630 (403 worldwide citation)

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 tapered, and ...


4
Joseph P Errico, Thomas J Errico, James D Ralph: Polyaxial pedicle screw. Fastenetix L L C, Joseph P Errico, September 23, 1997: US05669911 (393 worldwide citation)

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 tapered, and ...


5
James D Ralph, Stephen Tatar: Polyaxial pedicle screw having a threaded and tapered compression locking mechanism. Fastenetix, Joseph P Errico Esq, March 16, 1999: US05882350 (383 worldwide citation)

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 interlocking c ...


6
Joseph P Errico, Thomas J Errico, James D Ralph, Steven Tatar: Modular spinal plate for use with modular polyaxial locking pedicle screws. TechSys, Joseph P Errico Esq, September 1, 1998: US05800435 (367 worldwide citation)

A modular spinal plate assembly for use with modular polyaxial pedicle screw implant devices includes a track portion having a pair of parallel rails and a multiplicity of compressible coupling elements which are slideably mounted about the rails. The compressible coupling elements each have a throu ...


7
Stephen Tatar: Polyaxial pedicle screw having a loosely coupled locking cap. Bones Consulting, Joseph P Errico Esq, September 5, 2000: US06113601 (365 worldwide citation)

A polyaxial pedicle screw for use with rod implant apparatus includes a rod receiving body, a screw having a curvate head, a compression element, and a means for loosely and reversibly maintaining a coupled relationship between the compression element and the screw head during angulation thereof rel ...


8
Joseph P Errico, Thomas J Errico, James D Ralph: Selectively expandable sacral fixation screw-sleeve device. Third Millennium Engineering, Joseph P Errico Esq, February 3, 1998: US05713904 (346 worldwide citation)

The present invention is a selectively expandable bone fixation screw-sleeve device which provides substantially greater holding strength in human bone than other bone screw devices. The sleeve element of this invention includes several embodiments, each having at least one corresponding screw eleme ...


9
Joseph P Errico, Thomas J Errico, James D Ralph: Rod securing polyaxial locking screw and coupling element assembly. Third Millennium Engineering, Joseph P Errico Esq, March 31, 1998: US05733286 (345 worldwide citation)

A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a bowl-shaped head and a coupling element. The coupling element has a rod receiving channel and an axial bore into which the head of the screw may be inserted. The interior surface of the bore is inwardly curvat ...


10
Joseph P Errico, Thomas J Errico, James D Ralph: Polyaxial locking screw and coupling element. Fastenetix, Joseph P Errico Esq, October 6, 1998: US05817094 (341 worldwide citation)

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 tapered, and ...