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Multifunctional surgical access system

  • US 9,743,954 B2
  • Filed: 07/08/2015
  • Issued: 08/29/2017
  • Est. Priority Date: 08/31/2009
  • Status: Active Grant
First Claim
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1. A tissue retractor comprising:

  • a longitudinal axis defining an instrument access channel extending from a proximal end to a distal end;

    an outer ring;

    an inner ring; and

    a flexible sheath extending between the outer ring and the inner ring,whereinthe instrument access channel extends through the outer ring, the inner ring, and the sheath, andthe sheath comprises a metal mesh comprising a plurality of linked loops.

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