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Dilatation catheter

  • US 4,483,340 A
  • Filed: 10/20/1980
  • Issued: 11/20/1984
  • Est. Priority Date: 10/20/1980
  • Status: Expired due to Term
First Claim
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1. A dilatation catheter comprising an elongated flexible tubular body member, a tip member in spaced relation to the distal end of the body member, an annular inflatable bag interconnecting the tip member and the distal end of the body member, and means extending through the body member and bag and attached to the tip member for axially rotating the tip member and thereby axially twisting the bag, said means comprising a flexible tubular member having a fixed connection with the tip member and a flexible rod-like member within said tubular member attached to the tip member for selective connection and disconnection with respect thereto.

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