Shrinking balloon catheter having nonlinear or hybrid compliance curve

  • US 5,348,538 A
  • Filed: 09/29/1992
  • Issued: 09/20/1994
  • Est. Priority Date: 09/29/1992
  • Status: Expired due to Term
First Claim
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1. A catheter comprising:

  • an elongated catheter tube having a proximal and a distal end,a single layered dilating element secured to the distal end of said elongated catheter tube, said single layered dilating element having a hybrid compliance curve that includes compliant and non compliant portions,said elongated catheter tube having an inflation lumen extending from its proximal to its distal end, the distal end of said inflation lumen communicating with the interior of said single layered dilating element,inflation means in communication with the proximal end of said inflation lumen for metering inflation fluid into the inflation lumen and the interior of said single layered dilating element to cause the dilating element to expand in the diametric direction in conformance with its hybrid compliance curve.

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