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Active cannulas

  • US 20030181939A1
  • Filed: 04/08/2003
  • Published: 09/25/2003
  • Est. Priority Date: 03/02/1990
  • Status: Active Grant
First Claim
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1. An inflatable medical device comprising:

  • a support member having a longitudinal axis, a proximal portion, a central portion, and a distal portion;

    an inflatable balloon mounted on the support member and having an inner surface, an outer surface, a proximal end, a distal end, and an inflatable portion therebetween, the support member extending at least the entire length of the inflatable balloon when fully inflated such that the inflatable portion expands between the proximal and distal portions of the support member, the inflatable balloon comprised of a thin layer of uniform material including a plurality of rigid members arranged along the inflatable portion to define a predetermined shape of the inflatable balloon when the inflatable balloon is fully inflated.

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