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Limacon geometry balloon angioplasty catheter systems and method of making same

  • US 4,958,634 A
  • Filed: 05/06/1987
  • Issued: 09/25/1990
  • Est. Priority Date: 05/06/1987
  • Status: Expired due to Fees
First Claim
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1. An angioplasty catheter, comprising:

  • a catheter shaft having a proximal end and a distal end;

    first and second independently inflatable and independently deflatable angioplasty balloons at the distal end of said catheter, each said balloon having a balloon wall and having a length and a maximum inflated diameter, wherein said balloons and said distal end of said catheter shaft comprise a single, integral, monolithic piece of polymer material and wherein said balloons are eccentrically positioned with respect to each other, wherein said first balloon has a maximum inflated diameter less than that of said second balloon and is at least partially inside said second balloon.

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