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Ultrasonic polyp snare

  • US 5,989,264 A
  • Filed: 06/11/1998
  • Issued: 11/23/1999
  • Est. Priority Date: 06/11/1998
  • Status: Expired due to Term
First Claim
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1. An ultrasonic polyp snare comprising:

  • an ultrasonic signal generator;

    a flexible ultrasonic waveguide having a proximal end and a distal end, wherein said proximal end is operatively coupled to said ultrasonic generator;

    an ultrasonic vibration amplifier coupled to said distal end of said ultrasonic waveguide;

    a rigid ultrasonic blade having a proximal end and a distal end, wherein said proximal end is coupled to said ultrasonic amplifier;

    an ultrasonic attenuator coupled to the distal end of said rigid ultrasonic blade;

    a snare wire positioned adjacent at least a portion of said rigid ultrasonic blade.

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