The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2010
Filed:
Jan. 05, 2006
Lawrence M. Boyd, Memphis, TN (US);
Eddie Ray, Iii, Cordova, TN (US);
Bradley T. Estes, Memphis, TN (US);
Mingyan Liu, Bourg la Reine, FR;
Lawrence M. Boyd, Memphis, TN (US);
Eddie Ray, III, Cordova, TN (US);
Bradley T. Estes, Memphis, TN (US);
Mingyan Liu, Bourg la Reine, FR;
Warsaw Orthopedic, Inc., Warsaw, IN (US);
Abstract
A method and instrumentation particularly adapted for disc space preparation from an anterior approach to the spine. In one aspect, an expandable template is provided having guides to guide a cutting device for bilateral formation of openings in the disc space. In another aspect, an improved guide member is provided for guiding a cutting tool. Still further, the invention provides an improved double barrel guide sleeve with a central distraction extension and lateral non-distracting extensions. Optionally, the guide sleeve includes windows and covers to selectively cover the windows. An improved reamer with an internal chamber and optional modular coupling is also provided. A depth stop is provided to selectively engage a tool shaft and a guide sleeve to control tool penetration into the disc space. A method of using the disclosed instruments is also provided.