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Apparatus and method for minimally invasive surgery using rotational cutting tool

  • US 6,702,813 B1
  • Filed: 12/17/2001
  • Issued: 03/09/2004
  • Est. Priority Date: 03/09/2000
  • Status: Expired due to Fees
First Claim
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1. A surgical instrument comprising:

  • a tube having a distal end and a proximal end, said distal end including a first cutting edge; and

    a shaft within said tube, said shaft having a distal end and a proximal end, said distal end of said shaft including a blade, one of said shaft and said tube being rotatable with respect to the other such that said blade cooperates with said cutting edge wherein said blade has an elongated portion having two opposing surfaces and a second cutting edge on each of said opposing surfaces.

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