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Devices for applying energy to tissue

  • US 7,022,088 B2
  • Filed: 02/21/2002
  • Issued: 04/04/2006
  • Est. Priority Date: 08/05/1999
  • Status: Expired due to Term
First Claim
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1. A medical device for applying energy to tissue, the medical device comprising:

  • an elongate member having a proximal portion and a distal portion;

    a transducer assembly comprisinga covering having a proximal and distal end,at least one transducer having at least a first and second pole,a first conductive medium in contact with said first pole of said transducer and extending to at least a portion of an outer surface of said covering,wherein said transducer assembly is located towards a distal end of said elongate member distal portion;

    at least two conducting members extending through at least a portion of said elongate member, at least a first of said conducting members being electrically coupled to said first conductive medium, and a second of said conducting members extending through said proximal end of said covering and electrically coupled to said second pole of said transducer;

    a hollow conductive member located at the distal end of said elongate member, said hollow conductive member electrically coupled to an energy source, anda tip located at a distal end of said elongate member distal portion and having a front and back surface, said back surface being in acoustical communication with said transducer such that said tip is adapted to communicate a source signal from said transducer out through said front surface, said tip also being adapted to communicate a reflected signal from said front surface to said transducer assembly.

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