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Signal conditioning device for interfacing intravascular sensors having varying operational characteristics to a physiology monitor

  • US 6,585,660 B2
  • Filed: 05/18/2001
  • Issued: 07/01/2003
  • Est. Priority Date: 05/18/2001
  • Status: Active Grant
First Claim
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1. A signal conditioning device interposable between a physiology monitor and various intravascular measurement devices, the signal conditioning device facilitating establishing compatibility between the physiology monitor and the various intravascular measurement devices, the signal conditioning device comprising:

  • a sensor interface circuit supplying a sensor drive signal for energizing a sensor carried by an attachable intravascular measurement device and providing a sensor measurement signal;

    a processing unit for performing programmed tasks;

    a physiology monitor interface including;

    an input for receiving an excitation signal from the physiology monitor, and an output for transmitting an output measurement signal to the physiology monitor generated in accordance with the sensor measurement signal; and

    a power supply circuit including a signal converter that energizes at least the processing unit with power supplied by the excitation signal.

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