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Pulse oximeter sensor

  • US 4,825,879 A
  • Filed: 10/08/1987
  • Issued: 05/02/1989
  • Est. Priority Date: 10/08/1987
  • Status: Expired due to Fees
First Claim
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1. In apparatus for sensing light absorption through transillumination of blood perfused flesh by a light source and reception of light by a light sensor;

  • a wrap for securing said light source and sensor in optical contact with a patent comprising;

    an outer, flexible layer of polymeric material; and

    an innermost, body facing layer comprising a compliant sheet of metallized material which is capable of reflecting body heat and is highly opaque, and means for securing said sheet to the body of a patient.

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