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Fluid-expandable surgical retractor

  • US 5,342,385 A
  • Filed: 08/14/1992
  • Issued: 08/30/1994
  • Est. Priority Date: 02/05/1991
  • Status: Expired due to Fees
First Claim
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1. A fluidly-expandable retractor, comprising:

  • a hollow, generally annular member with longitudinal forward and rearward ends, having inner and outer annular walls fluidly sealed together at their forward and rearward ends to form a bladder;

    a generally inelastic fiber matrix laminated to the inner annular wall of said bladder to prevent elastic expansion of said inner annular wall but permit elastic expansion of said outer annular wall; and

    means for distending said bladder fluidly connected to said bladder.

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