Multi-stream data collection system for noninvasive measurement of blood constituents

DC CAFC
  • US 10,258,265 B1
  • Filed: 12/06/2018
  • Issued: 04/16/2019
  • Est. Priority Date: 07/03/2008
  • Status: Active Grant
First Claim
Patent Images

1. A noninvasive optical physiological measurement device adapted to be worn by a wearer, the noninvasive optical physiological measurement device providing an indication of a physiological parameter of the wearer comprising:

  • a plurality of emitters of different wavelengths;

    a housing having a surface and a circular wall protruding from the surface;

    at least four detectors arranged on the surface and spaced apart from each other, the at least four detectors configured to output one or more signals responsive to light from the one or more light emitters attenuated by body tissue, the one or more signals indicative of a physiological parameter of the wearer; and

    a light permeable cover arranged above at least a portion of the housing, the light permeable cover comprising a protrusion arranged to cover the at least four detectors.

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