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Surgical assembly for tissue removal

  • US 7,837,687 B2
  • Filed: 10/25/2005
  • Issued: 11/23/2010
  • Est. Priority Date: 09/27/2002
  • Status: Active Grant
First Claim
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1. A surgical instrument comprising:

  • a distal body configured to attach to a handle assembly, the handle assembly communicating a non-reciprocating rotary input to the distal body when the distal body is attached thereto;

    a transmission that converts the non-reciprocating rotary motion to linear reciprocating motion;

    a blade coupled to said distal body, said blade connected to said transmission so that the linear reciprocating motion is communicated to the blade so that the blade slidably moves in a reciprocating linear manner by the rotary motion emanating from said handle assembly;

    the blade being elongate and having a generally straight proximal portion, a flexible medial portion, and a distal portion configured to remove bone from a mammal through the linear reciprocating motion; and

    a generally rigid blade guide adjacent the blade and coupled to the distal body, the blade guide having a bent portion in which the blade guide is curved;

    wherein the blade engages the blade guide so that the medial portion of the blade bends to generally conform to the curve of the blade guide bent portion.

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