1
Trent E Cozad, Antony J Lozier, Jerry L Lower: Spinal locking sleeve assembly. Zimmer, Margaret L Geringer, April 13, 1993: US05201734 (281 worldwide citation)

The present invention relates to a locking sleeve assembly for use in a posterior spinal system including components designed to be affixed to the spinal column of a person to correct for various lateral and sagittal deformities. The locking sleeve assembly is for interconnecting an elongated rod wi ...


2
Jerry L Aikins: Sheath and retractable surgical tool combination. Zimmer, Margaret L Geringer, January 1, 1985: US04491132 (280 worldwide citation)

A surgical instrument comprising a scalpel handle with a separate protective sheath for use in closed surgical procedures, such as arthroscopy. The protective sheath provides for atraumatic insertion of a scalpel blade into the body and to the actual operative site, minimizing the chance of accident ...


3
S Kyle Hayes, John E Meyers, Antony J Lozier: Sagittal approximator. Zimmer, Margaret L Geringer, June 4, 1991: US05020519 (238 worldwide citation)

A sagittal approximator for clamping engagement with an open back hook for urging a spinal rod into seating engagement with said hook. The sagittal approximator includes an integral fixed handle and jaw. A shiftable handle is pivotally connected to the fixed handle. A shiftable jaw is pivotally conn ...


4
Michelle L Houston, Steven A Zawadzki: Sizing plate and drill guide assembly for orthopaedic knee instrumentation. Zimmer, Margaret L Geringer, June 3, 1997: US05634927 (221 worldwide citation)

The invention is directed to an orthopaedic instrumentation assembly 10 for at least partially preparing an end of a bone with a drill for receiving a prosthesis. The instrumentation assembly includes a drill guide 14 having a drill guide opening for guiding a drill into the bone; and an orthopaedic ...


5
Randall N Allard: Bone screw and screwdriver. Zimmer, Margaret L Geringer, January 16, 1996: US05484440 (217 worldwide citation)

A bone screw screwdriver and method for securely, positively locking a bone screw to the screwdriver. The screwdriver includes an extending handle through which a drive rod is slidingly disposed. A tongue at one end of the drive rod interlocks within a groove in the bone screw. The drive rod selecti ...


6
Richard C Bolesky, Gene M Farling, Barry L Gold: Prosthetic device adapted to promote bone/tissue ingrowth. Zimmer, Margaret L Geringer, October 30, 1984: US04479271 (203 worldwide citation)

This invention relates generally to the art of orthopaedic prostheses, and more particularly to the type of prosthesis which is adapted to promote the ingrowth of bone and/or tissue into the portion of the prosthesis surface in contact with the bone surface. The prosthesis is comprised of a bottom b ...


7
Jerry L Lower: Bone screw. Zimmer, Margaret L Geringer, February 3, 1987: US04640271 (194 worldwide citation)

A bone screw comprising a shaft having a first set of leading threads and a second set of trailing threads spaced apart from the first set of threads by an unthreaded central portion. The second set of threads are carried externally on a sleeve having a smooth inner cylindrical surface such that the ...


8
Trent E Cozad, Antony J Lozier, Jerry L Lower, Allan F Tencer: Spinal coupler assembly. Zimmer, Margaret L Geringer, October 13, 1992: US05154718 (186 worldwide citation)

The present invention relates to a coupler assembly for use in a posterior spinal system including components designed to be affixed to the spinal column of a person to correct various lateral and sagittal deformities. The spinal coupler assembly is adapted to be interconnected between two spaced ro ...


9
Randall N Allard, Anthony L Koser, Joseph R Korotko, Antony J Lozier: Spinal implant system. Zimmer, Margaret L Geringer, December 19, 1995: US05476462 (186 worldwide citation)

A spinal implant system including components designed to be affixed to the spinal column. The system includes spinal rods, attachment devices, and interpositional sleeves for securing the attachment devices to the rods. The attachment devices may be various types of spinal hooks, screws, couplers, r ...


10
Mark A Bryant, John E Meyers: Orthopaedic apparatus for driving and/or removing a bone screw. Zimmer, Margaret L Geringer, July 22, 1997: US05649931 (177 worldwide citation)

The invention is directed to an orthopaedic apparatus 10 for at least one of removing and driving an elongated fixation member 12 having an enlarged head 22. The orthopaedic apparatus 10 includes a hollow, elongated body 14 having an open end 26 for receiving the enlarged head 22 therein. The body 1 ...