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Method and apparatus for monitoring local cerebral physiology

  • US 5,579,774 A
  • Filed: 03/07/1994
  • Issued: 12/03/1996
  • Est. Priority Date: 03/07/1994
  • Status: Expired due to Term
First Claim
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1. A probe, having a proximal and distal end, for intracranial monitoring of pressure and blood flow in a locus of a tissue medium proximately located at the distal end, said probe comprising:

  • a first optical conductor, having one end located at said distal end and an opposite end located at said proximal end, that guides radiation to said distal end and guides radiation scattered from said tissue medium to said proximal end for providing a first indicative of the blood flow in the locus of the tissue medium; and

    a second optical conductor, having one end including a pressure responsive means located at said distal end, adapted for generating an second optical signal at an opposite end located at said proximal end, said optical signal indicative of said pressure in the locus of the tissue medium;

    wherein said first signal indicative of the blood flow in the locus of tissue medium and second optical signal indicative of said pressure in the locus of the tissue medium are measured substantially simultaneously and continuouslywherein sections of respective said optical conductors extending from said respective one ends of said first and second optical conductors, are movable together, providing an elongated integral section.

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