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Abdominal retractor

  • US 7,033,319 B2
  • Filed: 04/20/2004
  • Issued: 04/25/2006
  • Est. Priority Date: 03/14/2002
  • Status: Expired due to Term
First Claim
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1. An adjustable retractor, comprising:

  • an inner ring having a minimum overall diameter of 20 cm;

    an outer ring spaced from the inner ring and having a minimum overall diameter of 20 cm; and

    an elongate sleeve open at opposite ends, the sleeve extending between the inner and outer rings and being connected at opposite ends to the rings,wherein the outer ring is provided with a pre-loaded rotational torque to assist with rotation of the outer ring about its central axis to roll the sleeve about the outer ring to adjust sleeve length.

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  • 3 Assignments
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