Rotating transducer mount for ultrasonic surgical instruments

  • US 8,773,001 B2
  • Filed: 06/07/2013
  • Issued: 07/08/2014
  • Est. Priority Date: 07/15/2009
  • Status: Active Grant
First Claim
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1. A surgical instrument comprising:

  • a housing;

    a generator supported by said housing, said generator to generate an ultrasonic drive signal;

    an electrical contact assembly in electrical communication with said generator;

    an acoustic assembly comprising first and second piezoelectric elements, said acoustic assembly rotatable with respect to said housing and said electrical contact assembly, wherein said electrical contact assembly is in electrical communication with said first and second piezoelectric elements;

    a first electrode electrically coupled to at least one of said first and second piezoelectric elements and supported for rotational contact with said electrical contact assembly; and

    an end effector coupled to said acoustic assembly, said end effector rotatable relative to said housing.

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