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Guidewire with pressure and temperature sensing capabilities

  • US 7,097,620 B2
  • Filed: 09/19/2002
  • Issued: 08/29/2006
  • Est. Priority Date: 09/02/1994
  • Status: Expired due to Fees
First Claim
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1. A pressure sensor apparatus having pressure sensing capabilities, the pressure sensor apparatus comprising:

  • a guidewire having a maximum diameter of 0.018″

    or less;

    a sensor housing having an external wall and a lumen, the sensor housing disposed near a distal extremity of the guidewire;

    a coil disposed proximally from the sensor housing;

    a solid state pressure sensor comprising a diaphragm and secured to the housing; and

    an ultrasonic transducer disposed distally from the pressure sensor.

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