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Method and circuit for storing and providing historical physiological data

  • US 8,103,325 B2
  • Filed: 06/01/2006
  • Issued: 01/24/2012
  • Est. Priority Date: 03/08/1999
  • Status: Expired due to Term
First Claim
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1. A sensor for facilitating detection of a physiological characteristic of a patient, comprising:

  • a detector configured to obtain signals from the patient, the signals being indicative of the physiological characteristic and configured to send the signals to a monitor; and

    a sensor memory coupled with the sensor and separate from the monitor, the sensor memory storing patient physiological data derived by the monitor from the signals, the patient physiological data being indicative of the physiological characteristic, wherein the sensor memory is a write-once memory device including a field configured to be set such that the sensor disables display of the patient physiological data on the monitor when the sensor has been reprocessed.

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