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Cutter device

  • US 5,507,760 A
  • Filed: 11/09/1993
  • Issued: 04/16/1996
  • Est. Priority Date: 11/09/1993
  • Status: Expired due to Term
First Claim
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1. A cutter for use with a catheter having a torque cable, the cutter comprising:

  • a body defining a cutting edge, the body adapted for attachment to the torque cable;

    the body being made of a steel selected from the group consisting of 440 FSe steel and 440 C steel; and

    the body defining a surface, the surface, including the cutting edge being ion implanted with a material selected from the group consisting of nitrogen and boron,whereby the cutting edge is capable of cutting calcified tissue.

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