Reciprocating rotary arthroscopic surgical instrument

  • US 7,226,459 B2
  • Filed: 10/26/2001
  • Issued: 06/05/2007
  • Est. Priority Date: 10/26/2001
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a cutting member including an implement for cutting tissue; and

    a drive coupled to the cutting member to simultaneously rotate, translate, and reciprocate the cutting member in response to only a rotational force applied to the drive in a single direction and to cut tissue during simultaneous rotation and translation of the cutting member;

    wherein the drive includes a drive member attached to the cutting member, the drive member including a helical groove, and the drive includes a translation piece disposed in the groove such that rotary driving of the drive member results in simultaneous reciprocation of the drive member relative to the translation piece.

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