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Combination dissector and expander

  • US 5,871,497 A
  • Filed: 12/29/1997
  • Issued: 02/16/1999
  • Est. Priority Date: 10/03/1996
  • Status: Expired due to Term
First Claim
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1. A combination dissector and expander comprising:

  • an inflatable bladder comprising first and second inflatable chambers, said first inflatable chamber defined between first and second sheets of material sealed together at their outer margins to form an inflatable space therebetween, said second chamber defined between said second sheet and a third sheet of material which are sealed together at their outer margins to form an inflatable space therebetween, and said second and third sheets of material further bonded together at spaced apart intervals over their respective surfaces.

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