Fluid displacement

Details Fluid displacement Fluid displacement

1978-05-25

1980-03-18

Artis, Henry K.

Surgery

Respiratory method or device

Ozone or ion generation

417 48, 128260, F24C 1510, F24C 1522

Patent

active

041933982

ABSTRACT:
An extracorporeal osmotic pump has a first chamber containing an osmotic fluid e.g. aqueous polyethylene glycol solution and a second chamber containing a weaker solution or solvent e.g. water. Between the two there is a duct containing the semipermeable membrane and nearer the first chamber one or more layers of porous material (e.g. four contiguous face-to-face discs of porous polyethylene) as a flow-control means.

REFERENCES:
patent: 2766907 (1956-10-01), Wallace, Jr.
patent: 3153414 (1964-10-01), Beall et al.
patent: 3645111 (1972-02-01), Williamitis
patent: 3760804 (1973-09-01), Higuchi et al.
patent: 3760805 (1973-09-01), Higuchi et al.
patent: 4033345 (1977-07-01), Forenson et al.
patent: 4041944 (1977-08-01), Rhodes

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