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Low noise finger cot probe

  • US 5,337,744 A
  • Filed: 07/14/1993
  • Issued: 08/16/1994
  • Est. Priority Date: 07/14/1993
  • Status: Expired due to Term
First Claim
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1. A sensor for analyzing human tissue, said sensor having a body and comprising:

  • a first end of said body at which to receive some of the tissue to be analyzed;

    a flexible opposite end of said body rolled up upon itself in a direction towards and spaced a first distance from said first end, said opposite end moved in a direction away from said first end to unroll said opposite end so as to surround said tissue, the unrolled end being spaced a substantially greater distance from said first end than the first distance between said rolled end and said first end;

    electromagnetic energy source means carried by said first end to emit electromagnetic energy towards the tissue to be analyzed; and

    electromagnetic energy detector means carried by said first end and arranged relative to said source means to receive the electromagnetic energy emitted by said source means, the magnitude of the electromagnetic energy received by said detector means providing information regarding said tissue.

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