Probe for blood gas sensing

Details Probe for blood gas sensing Probe for blood gas sensing

1989-10-11

1991-10-15

Cohen, Lee S.

Surgery

Truss

Pad

264 15, 264 78, 356 39, 385128, 385DIG93, G01N 3349, G02B 602, A61B 1000

Patent

active

050565206

ABSTRACT:
In a blood gas sensing probe, a cylindrical sleeve contains an optical fiber. The end of the optical fiber is withdrawn into the sleeve thereby creating a receptacle at the end of the sleeve. A sensitive dye, HOPSA for example, is encapsulated in a gel and deposited in the receptacle to form the probe. In making the probe, the end of the optical fiber is in the same plane as the end of the sleeve in which it is placed. The dye and gel contact the combined ends of optical fiber and sleeve. The fiber is withdrawn into the sleeve thereby creating a vacuum which is filled by the dye and gel.

REFERENCES:
patent: Re31879 (1985-05-01), Lubbers et al.
patent: 4200110 (1980-04-01), Peterson et al.
patent: 4452904 (1984-06-01), Haagensen
patent: 4548907 (1985-10-01), Seitz et al.
patent: 4682895 (1987-07-01), Costello
patent: 4795434 (1989-01-01), Kujawski
patent: 4824789 (1989-04-01), Yafuso et al.
patent: 4842783 (1989-06-01), Blaylock
patent: 4952655 (1990-08-01), Seelmann
patent: 4954318 (1990-09-01), Yafuso et al.

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