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Kissing balloon catheter

  • US 4,896,670 A
  • Filed: 04/19/1988
  • Issued: 01/30/1990
  • Est. Priority Date: 04/19/1988
  • Status: Expired due to Term
First Claim
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1. A balloon dilatation catheter comprising:

  • an elongate shaft having proximal and distal ends and having a lumen extending therethrough;

    a fitting on the proximal end of the shaft for connection with a source of fluid under pressure;

    a dilatation balloon adapted to be inflated to a predetermined size and mounted to the distal end of the shaft, the interior of the balloon being in communication with the lumen whereby the balloon may be inflated and deflated;

    the balloon being of unitary construction and having a proximal portion and a distal portion, the proximal portion of the balloon having a smaller inflated diameter than the distal portion of the balloon, each of said proximal and distal portions having a length, when inflated, at least twice that of its diameter, when inflated.

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