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Ultrasonic imaging devices and methods of fabrication

  • US 6,712,767 B2
  • Filed: 08/29/2002
  • Issued: 03/30/2004
  • Est. Priority Date: 08/29/2002
  • Status: Expired due to Fees
First Claim
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1. A catheter that is guided over a guide wire in the body lumen of a patient during a medical procedure and that uses inflation fluid to deploy a balloon, comprising:

  • a proximal catheter portion and a distal catheter portion, wherein the distal catheter portion has a distal tip and a guide wire lumen that receives the guide wire and allows the catheter to be advanced over the guide wire;

    an inflatable balloon on the distal catheter portion that receives the inflation fluid in its interior and that surrounds the guide wire lumen;

    an ultrasound transducer on the distal catheter portion between the inflatable balloon and the distal tip;

    electrical wires that extend from the proximal catheter portion through the balloon to the ultrasound transducer; and

    a sheath that extends through the balloon and isolates the electrical wires and the guide wire lumen from the inflation fluid.

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