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
Joseph P Errico, Thomas J Errico, James D Ralph: Anterior spinal polyaxial locking screw plate assembly having recessed retaining rings. March 2, 1999: US05876402 (466 worldwide citation)

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


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
Joseph P Errico, Thomas J Errico, James Ralph: Anterior spinal polyaxial locking screw plate assembly. J P Errico, May 28, 1996: US05520690 (384 worldwide citation)

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


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
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 ...


8
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 ...


9
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 ...


10
Joseph P Errico, Thomas J Errico, James D Ralph: Bicentric polyaxial locking screw and coupling element. Fastenetix L L C, Joseph P Errico Esq, July 15, 1997: US05647873 (314 worldwide citation)

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 and has a semi- ...