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Rotational atherectomy system with serrated cutting tip

  • US 6,666,874 B2
  • Filed: 09/17/1999
  • Issued: 12/23/2003
  • Est. Priority Date: 04/10/1998
  • Status: Expired due to Term
First Claim
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1. A rotational medical device comprising an elongate, flexible tubular body, the body having a proximal end and a distal end, a rotatable drive shaft extending through the body;

  • and a rotatable cutter at the distal end of the body and connected to the drive shaft, the cutter comprising an inclined cutting thread extending at least part way around the cutter, the thread being at least partially discontinuous.

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  • 7 Assignments
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