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Selective high pressure dilation balloon

  • US 6,471,672 B1
  • Filed: 11/10/1999
  • Issued: 10/29/2002
  • Est. Priority Date: 11/10/1999
  • Status: Expired due to Fees
First Claim
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1. A catheter with an expandable portion comprising:

  • (a) a central elongated catheter element extending through the expandable portion, the expandable portion comprising a fixed balloon;

    (b) a moveable balloon carried on the central elongated catheter element, constructed and arranged for axial movement thereon, the movable balloon being slidably sealed to the elongated catheter element, and (c) an inflation means operatively associated with the moveable balloon for independent inflation thereof, the inflation means comprising a fist inflation lumen in fluid communication with the fixed balloon and a second Sxflation lumen in fluid communication with the moveable balloon.

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