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Catheter having ultrasonic device

  • US 5,606,974 A
  • Filed: 05/02/1995
  • Issued: 03/04/1997
  • Est. Priority Date: 05/02/1995
  • Status: Expired due to Term
First Claim
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1. A catheter comprising:

  • an elongated catheter tube having proximal and distal ends and an inner lumen extending the length of the tube;

    an ultrasonic transducer mounted at the distal end of the catheter tube, the transducer having a wall with inner and outer surfaces, the transducer having a plurality of sensor holes formed completely through the wall of the transducer;

    a temperature sensing device disposed within each sensor hole in the wall of the transducer; and

    an adhesive disposed over each sensor hole on the outer surface of the transducer to seal the hole and the respective temperature sensing device thereby sealing the temperature sensing device from contact with fluids exterior to the transducer.

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