Catheter device and system for continuous chemical analysis of b

Details Catheter device and system for continuous chemical analysis of b Catheter device and system for continuous chemical analysis of b

1978-07-28

1981-05-05

Howell, Kyle L.

Surgery

Truss

Pad

128214E, 128349R, A61B 500

Patent

active

042652499

ABSTRACT:
A system for obtaining body fluids for continuous chemical analysis thereof includes a catheter for obtaining the material to be measured. The surface of the catheter is partially coated with a semi-permeable filter membrane. From the rear side of the filter membrane a plurality of channels are provided which communicate with a series of internal ducts which provide a fluid flow path for the material to be analyzed. The ducts are operatively coupled to a suction device pump and analyzing apparatus which are located remote from the catheter.

REFERENCES:
patent: 2936761 (1960-05-01), Snyder
patent: 3489647 (1970-01-01), Kolobow
patent: 3512517 (1970-05-01), Kadish et al.
patent: 3520298 (1970-07-01), Lange
patent: 3623960 (1971-11-01), Williams
patent: 3640269 (1972-02-01), Delgado
patent: 3658053 (1972-04-01), Fergusson et al.
patent: 3981299 (1976-09-01), Murray
patent: 4094775 (1978-06-01), Mueller
Boen et al., "Periodic Peritoneal Dialysis in the Management of Chronic Uremia, "Trans. Amer. Soc. Artif., Inter. Orgs., vol. III, pp. 256-262, (1962).

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