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Coiled, perfusion balloon catheter

  • US 5,226,888 A
  • Filed: 10/25/1991
  • Issued: 07/13/1993
  • Est. Priority Date: 10/25/1991
  • Status: Expired due to Term
First Claim
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1. A perfusion balloon catheter comprising:

  • an elongated tubular shaft having a proximal end, a distal end and a lumen extending therethrough;

    a helical coil of flexible, inflatable tube disposed at the distal end of the tubular shaft, the tube having a proximal end in fluid communication with the lumen and having a sealed distal end, the helical coil forming a composite outer surface and composite inner surface which define an inflatable tubular-shaped balloon, the composite inner surface further defining a perfusion passage;

    a longitudinally-extending support structure through which the tube is looped to form the balloon; and

    retainer means for securing the tube to the support structure.

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