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Method and apparatus for treating a desired area in the vascular system of a patient

  • US 6,503,185 B1
  • Filed: 12/21/1999
  • Issued: 01/07/2003
  • Est. Priority Date: 10/27/1994
  • Status: Expired due to Term
First Claim
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1. An apparatus for treating a selected area of the vascular system of a patient comprising:

  • at least one elongated flexible tube including a proximal end and a distal end for positioning at the selected area of the vascular system and defining first, second, third, and fourth lumens, said first, second, and third lumens extending in generally parallel relationship between said proximal and distal ends of said tube, said second and third lumens being in fluid-tight communication at said distal end of said tube, said fourth lumen being open at said distal end of said tube for receiving a guidewire, and a flexible balloon membrane carried at said distal end of said tube, said balloon membrane being in fluid communication with said first lumen for inflation when pressurized fluid is introduced through said first lumen.

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