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Light-reflecting and heating type oximeter

  • US 4,926,867 A
  • Filed: 05/19/1989
  • Issued: 05/22/1990
  • Est. Priority Date: 05/27/1986
  • Status: Expired due to Fees
First Claim
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1. An oximeter sensor for non-invasively measuring oxygen saturation of blood contained within a part of a living body comprising:

  • optical sensor means for measuring oxygen blood saturation, said optical sensor means including;

    a housing containing a flat surface end adaptable to face said body part,means for emitting measuring light having at least two different wavelengths protruding from said flat surface end, said light emitting means including at least two light emitting elements that emit different wavelengths of measuring light, andmeans for receiving said measuring light protruding from said flat surface end between said at least two light emitting elements; and

    means for controllably heating said body part containing a contact surface adaptable to be placed on said body and disposed around and protruding from said flat surface and of said housing substantially the same amount as said light emitting means and said light receiving means.

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