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Surgical retractor

  • US 5,441,044 A
  • Filed: 08/16/1993
  • Issued: 08/15/1995
  • Est. Priority Date: 08/16/1993
  • Status: Expired due to Term
First Claim
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1. A surgical retractor for manipulating body tissue, comprising:

  • a) a handle assembly;

    b) an elongated body extending from said handle assembly and defining a longitudinal axis; and

    c) a retractor assembly operatively with said body and defining a uniplanar curvilinear tissue manipulation surface having an area which is selectively variable, a periphery bounding said which is defined by first and second boundary members and an expandable membrane which solely occupies said area bounded by said boundary members, a distal end of said first boundary member being pivotably associated with a distal end of said second boundary member, said second boundary member being substantially collinear with said elongated body, and said retractor assembly being movable between a first position wherein the area of said tissue manipulation surface is minimized and a second position wherein the area of said tissue manipulation surface is maximized.

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