Surgery – Truss – Pad
Patent
1979-07-03
1981-04-07
Howell, Kyle L.
Surgery
Truss
Pad
128666, 204195B, A61B 500
Patent
active
042599636
ABSTRACT:
A multi-purpose polarographic oxygen-concentration transducer of the transcutaneous-measurement type, a face of it being laid against the tissue of interest, is able to generate signals beyond those indicating mere total oxygen concentration, and can additionally generate signals indicating concentration of oxygen chemically bound to blood hemoglobin, as well as also indicating pulse rate and pulse waveform, blood flow rate through the capillary network of such tissue, the elastic behavior of the capillaries, and the flow rate of blood through such tissue exclusive of that flowing through the capillary network. The transducer is thermostatically temperature-controlled and emits light onto the tissue against which it is laid and detects the light received back by reflection and/or by transmission of such light into and out of the tissue against which the transducer is laid.
REFERENCES:
patent: 3930493 (1976-01-01), Williamson
patent: 4185620 (1980-01-01), Hagihara
Geddes, L. A. et al., "Multi-Function Transducer for Obtaining Digital Volume, Pulse, Skin-Resistance Response and Electrocardiogram", Med. & Biol. Engrg. & Computing, vol. 15, May 1977, pp. 228-232.
Howell Kyle L.
Jaworski Francis J.
Striker Michael J.
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