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Single device for both heating and temperature measurement in an oximeter sensor

  • US 6,466,808 B1
  • Filed: 11/22/1999
  • Issued: 10/15/2002
  • Est. Priority Date: 11/22/1999
  • Status: Expired due to Term
First Claim
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1. A method for operating an oximeter sensor, comprising:

  • activating a light source to provide light to a patient, detecting light from said patient;

    providing power to a device to heat said patient with said device;

    determining temperature from said same device; and

    modifying the amount of power provided to said device in accordance with said temperature, wherein said providing power and said determining temperature are done using same said device and wherein said device is an inherently self-regulating heating device and wherein said device is not in direct contact with said patient.

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