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Minimal exposure posterior spinal interbody instrumentation and technique

  • US 6,200,322 B1
  • Filed: 08/13/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 08/13/1999
  • Status: Expired due to Term
First Claim
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1. A guide used in conjunction with the preparation of a vertebral body for spinal surgery, comprising:

  • a sleeve defining a longitudinal axis and having a body;

    said body defining a first longitudinal passage having a first transverse cross sectional area;

    said body also defining a second longitudinal passage having a second transverse cross sectional area, said second longitudinal passage in communication with said first longitudinal passage, said second transverse cross sectional area being less than said first transverse cross sectional area; and

    said sleeve is positionable adjacent the vertebral body to allow removal of vertebral tissue laterally adjacent said second longitudinal passage by an axially displacable cutting tool extending through said first longitudinal passage.

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