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Medical sensor for reducing motion artifacts and technique for using the same

  • US 8,965,473 B2
  • Filed: 10/06/2011
  • Issued: 02/24/2015
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A sensor comprising:

  • a conformable sensor body comprising an adhesive layer disposed on a tissue-contacting surface, wherein the sensor body is configured to wrap around an end of a patient'"'"'s digit;

    a rigid housing disposed on the conformable sensor body on the tissue-contacting surface and configured to directly contact a patient'"'"'s tissue when in use; and

    an emitter and a detector embedded in the rigid housing in a reflectance configuration, wherein the rigid housing is adapted to hold the emitter and the detector at a fixed optical distance relative to one another and relative to the patient'"'"'s digit when the sensor is attached to a patient and when the sensor experiences an external tapping force or when the digit applies a flexing force to the sensor.

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