1
David E Shapiro: Method and instruments for performing arthroscopic spinal surgery. Shapiro Partners, Pravel Hewitt Kimball & Krieger, August 8, 1995: US05439464 (428 worldwide citation)

A method and apparatus for performing an arthroscopic spinal laminectomy or similar surgical procedure includes a plurality of cannulas which are individually inserted, in a predetermined sequence, into predetermined areas of a patient's spinal column. The first inserted cannula has a tissue manipul ...


2
David E Shapiro, Thomas Victor McGahan: Interbody fusion device with anti-rotation features. SDGI Holdings, Woodard Emhardt Naughton Moriarty & McNett, August 20, 2002: US06436139 (65 worldwide citation)

An improved interbody fusion device incorporating anti-rotation features to inhibit accidental screwing or unscrewing of the fusion device in an intervertebral disc space. One such feature is a thread pattern having a crest diameter that increasingly tapers from a smaller diameter at the insertion e ...


3
David E Shapiro, Thomas Victor McGahan: Interbody fusion device with anti-rotation features. Warsaw Orthopedic, Krieg DeVault, March 20, 2007: US07192446 (26 worldwide citation)

An improved interbody fusion device incorporating anti-rotation features to inhibit accidental screwing or unscrewing of the fusion device in an intervertebral disc space. One such feature is a thread pattern having a crest diameter that increasingly tapers from a smaller diameter at the insertion e ...


4
David E Shapiro, Thomas Victor McGahan: Interbody fusion device with anti-rotation features. Woodard Emhardt Naughton Moriarty and McNett, Bank One Center Tower, December 19, 2002: US20020193881-A1

An improved interbody fusion device incorporating anti-rotation features to inhibit accidental screwing or unscrewing of the fusion device in an intervertebral disc space. One such feature is a thread pattern having a crest diameter that increasingly tapers from a smaller diameter at the insertion e ...