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Method and sensor for wireless measurement of physiological variables

  • US 6,517,481 B2
  • Filed: 09/12/2001
  • Issued: 02/11/2003
  • Est. Priority Date: 12/23/1998
  • Status: Expired due to Term
First Claim
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1. A method for measuring a physiological variable, comprising the steps of:

  • (a) inserting a guidewire into a patient'"'"'s body;

    (b) transmitting waves to a sensor mounted on said guidewire;

    (c) causing said sensor to resonate by said waves, said resonance being a function of a physiological variable; and

    (d) receiving resonance waves representing a measurement of the physiological variable.

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