×

Surgical access system

  • US 8,932,214 B2
  • Filed: 05/11/2011
  • Issued: 01/13/2015
  • Est. Priority Date: 02/25/2003
  • Status: Active Grant
First Claim
Patent Images

1. A surgical access system, comprising:

  • a sheath retractor adapted to dilate a wound stretchable to a desired diameter, the sheath retractor disposed in a generally cylindrical form and operable to exert a radial retraction force on the wound; and

    an iris seal removably coupled to the sheath retractor, the iris seal comprises;

    a first iris ring;

    a second iris ring coaxially attached to the first iris ring; and

    a spring connected to and biasing the first and second iris rings;

    an elastic member connected to the first and second iris rings and defining an opening,wherein the first and second iris rings operate to rotate relative to one another in either direction to open or close the opening of the elastic member, each of the iris rings comprises a plurality of interlocking tracks to allow the iris rings to be relatively rotated at predetermined angles.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×