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Method and apparatus for removing deposits from a vessel

  • US 5,078,722 A
  • Filed: 08/14/1990
  • Issued: 01/07/1992
  • Est. Priority Date: 08/14/1990
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising:

  • a) a catheter having an elongated catheter body and a distally located cutting member for separating deposits from inner wall linings of a subject vessel;

    said catheter including a cavity near its distal end for receipt of deposit is separated from the inner wall lining of said vessel by the cutting member;

    b) a distally located balloon for forcing a distal end of the catheter against the deposits to cause the deposits to enter the cavity through an opening in a sidewall of the catheter for separation by the cutting member; and

    c) elongated means insertable into the catheter body for withdrawing the deposits into the catheter body away from the cavity when the elongated means and the catheter body are relatively rotated.

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