Percutaneous mechanical fragmentation catheter system

  • US 5,766,191 A
  • Filed: 02/29/1996
  • Issued: 06/16/1998
  • Est. Priority Date: 04/07/1992
  • Status: Expired due to Term
First Claim
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1. A method for fragmenting thrombotic material in a vascular conduit comprising the steps of:

  • introducing a fragmentation catheter in a vascular conduit to a thrombotic occlusion, wherein the fragmentation catheter comprises a fragmentation member at a distal end portion thereof that automatically expands to conform to the shape and diameter of the inner lumen of the vascular conduit upon deployment of the fragmentation member;

    deploying the fragmentation member; and

    rotating the fragmentation member at a speed to homogenize the thrombotic material.

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