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Fluid operated retractors

  • US 20040097794A1
  • Filed: 12/05/2003
  • Published: 05/20/2004
  • Est. Priority Date: 03/02/1990
  • Status: Abandoned Application
First Claim
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1. A retractor comprising:

  • a shaft; and

    an inflatable bladder disposed at an end of the shaft, wherein the bladder has areas of rigidity interleaved with areas of more elasticity.

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