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Method of manufacturing a cutter for atherectomy device

  • US 4,942,788 A
  • Filed: 07/26/1989
  • Issued: 07/24/1990
  • Est. Priority Date: 11/23/1987
  • Status: Expired due to Term
First Claim
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1. A method for manufacturing an atherectomy cutter which comprises the steps of:

  • boring into a cylindrical-shaped rod substantially along its longitudinal axis to form an interior which successively and connectingly includes a cylindrical hollow of relatively large diameter, a narrowingly tapered conical intermediate hollow and a cylindrical hollow of relatively small diameter;

    turning the rod to configure an outer surface with the interior to establish a blank of uniform thickness; and

    burning a hole into the intermediate hollow of the blank to form a blade for the cutter.

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