Electrochemical measuring device

Details Electrochemical measuring device Electrochemical measuring device

1979-06-05

1981-06-23

Cohen, Lee S.

Surgery

Truss

Pad

204195B, 204195P, A61B 500

Patent

active

042744180

ABSTRACT:
The invention relates to an electrochemical measuring device for transcutaneous measurement of arterial partial gas pressure, especially partial pressure of oxygen or carbon dioxide. The measuring device comprises an annular mounting member having a skin contacting surface adapted to be fastened to the skin surface of a patient, and a sensor of the type having a semi-permeable membrane adapted to be releasably connected to the mounting member. In the connected position of the sensor, the membrane is axially spaced from the skin contacting surface of the mounting member so that the membrane, the inner wall of the annular mounting member, and the skin surface define a measuring chamber which may be filled with a gel or another medium, if desired.

REFERENCES:
patent: 3187745 (1965-06-01), Baum et al.
patent: 3580239 (1971-05-01), Watanebe et al.
patent: 3659586 (1972-05-01), Johns et al.
patent: 3795239 (1974-03-01), Eberhard et al.
patent: 3875037 (1975-04-01), Krull
patent: 3918434 (1975-11-01), Lubbers
patent: 3998212 (1976-12-01), Reichenberger
patent: 4005700 (1977-02-01), Parker
Vesterager, "Continuous Trans. Measurement . . . Po.sub.2 ", Measurement of Oxygen, 1976.
Huch et al., "Transcutaneous Measurement of Blood Po.sub.2 ", J. Pernat. Med., 1 (1973), 183.
Johns et al., "A System . . . Ventilation", Bio-Med. Sciences Inst., Sixth Net. Symp., May 1968, pp. 119-121.
Eberhard et al., "Continuous Po.sub.2 . . . Electrodes", Med. & Bio. Eng., vol. 13, pp. 436-442, May 1975.

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