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Ultrasonic Dissector

  • US 20080243160A1
  • Filed: 05/22/2008
  • Published: 10/02/2008
  • Est. Priority Date: 09/19/1996
  • Status: Abandoned Application
First Claim
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1. A surgical cutting instrument comprising:

  • a housing;

    a vibration coupler positioned within the housing and engagable with an ultrasonic transducer;

    a tool member supported adjacent a distal end of the vibration coupler and having an operating surface;

    a clamp positioned adjacent the tool member and movable between an open position, in which the clamp is spaced from the operating surface of the tool member, and a closed position, in which the clamp is in close alignment with the operating surface of the tool member;

    an actuation rod operably connected to the clamp and movable to reposition the clamp between the open position and the closed position;

    a retaining member engagable with the actuation rod to selectively maintain the clamp in one or more positions including the open position, the closed position, and at least one intermediate position therebetween; and

    an actuation member operably connected to the actuation rod such that movement of the actuation member effectuates corresponding movement of the actuation rod.

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