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Medical sensor and technique for using the same

  • US 7,899,510 B2
  • Filed: 09/29/2005
  • Issued: 03/01/2011
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A sensor comprising:

  • a sensor body;

    an emitter disposed on the sensor body, wherein the emitter is adapted to transmit light into tissue;

    a detector disposed on the sensor body, wherein the detector is adapted to detect the light;

    a light reflecting material disposed proximate to the emitter and detector on a first portion of a tissue-contacting surface of the sensor body, wherein the detector forms a portion of the tissue-contacting surface; and

    a light absorbing material disposed on a second portion of the tissue-contacting surface of the sensor body, wherein the light absorbing material comprises a temperature-sensitive material capable of changing color in response to a change in temperature, and wherein the second portion is adapted to be positioned proximate to relatively large subcutaneous anatomic structures of the tissue.

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