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Ablation device including guidewire with abrasive tip

  • US 6,482,216 B1
  • Filed: 09/06/2000
  • Issued: 11/19/2002
  • Est. Priority Date: 03/06/1997
  • Status: Expired due to Term
First Claim
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1. A device for removing deposits from a blood vessel or stent comprising:

  • an ablation burr;

    a driveshaft coupled to the burr for selectively rotating the burr;

    a wire extending co-axially through the burr and having a first end that extends distal to the burr, an abrasive tip coupled to the first end of the wire; and

    means for selectively rotating the abrasive tip at high speed to ablate deposits from the blood vessel or stent without becoming embedded in the deposits as the abrasive tip engages the deposits.

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