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Method and apparatus for abrading tissue

  • US 6,053,923 A
  • Filed: 03/17/1998
  • Issued: 04/25/2000
  • Est. Priority Date: 03/17/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for abrading tissue during arthroscopic surgical procedures, said apparatus comprising:

  • a first inner rotatable tube assembly having a first proximal end and a first distal end, said first inner rotatable tube assembly having an abrading head at said first distal end and an internal aspiration port defined by at least a first sidewall, said internal aspiration port being positioned proximal said abrading head;

    a second outer tube assembly having a second proximal end and a second distal end, said second outer tube assembly having an external aspiration port defined by at least a second sidewall; and

    said internal aspiration port being rotatably positioned substantially adjacent to said external aspiration port, wherein upon rotating said first rotatable tube assembly, said first sidewall cooperates with said second sidewall to cut debris as the debris and fluid is drawn into and passes through said external and internal aspiration ports.

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