Polarographic/amperometric measuring sensor

Details Polarographic/amperometric measuring sensor Polarographic/amperometric measuring sensor

1990-06-29

1991-04-16

Kaplan, G. L.

Surgery

Truss

Pad

204403, 204412, 204415, G01N 27404

Patent

active

050074245

ABSTRACT:
This invention provides a polarographic/amperometric measuring sensor, particularly useful for transcutaneous determination of the oxygen partial pressure (tcpO.sub.2) in the blood by means of a Clark-type electrode arrangement. According to the invention the counter electrode, preferably made of a noble metal, is disposed about the insulating material encasing the working electrode and is preferably made of the same noble metal as the working electrode. The measuring sensor can also be provided with a pH electrode for simultaneous determination of the carbon dioxide partial pressure (tcpCO.sub.2) in the blood.

REFERENCES:
patent: 3260656 (1966-07-01), Ross, Jr.
patent: 4302315 (1981-11-01), Stetter et al.
patent: 4419210 (1983-12-01), Wang
patent: 4729824 (1988-03-01), Giner
patent: 4871440 (1989-10-01), Nagata et al.

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