Dual phase blood flow system and method of operation

Details Dual phase blood flow system and method of operation Dual phase blood flow system and method of operation

1982-09-24

1984-12-25

Coven, Edward M.

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

604 4, 128DIG5, 2103212, A61M 500

Patent

active

044901348

ABSTRACT:
A blood flow system for processing blood has two phases of operation, an arterial phase and a venous phase. During the arterial phase, the system is filled with blood through operation of an arterial blood pump. When a predetermined blood pressure level in the system has been attained, the arterial blood pump is inactivated and a venous blood pump removes blood from the system for a given number of pump turns.

REFERENCES:
patent: 3756234 (1973-09-01), Kopp
patent: 3830234 (1974-08-01), Kopp
patent: 3848592 (1974-11-01), Willock
patent: 3902490 (1975-09-01), Jacobsen et al.
patent: 3985134 (1976-10-01), Lissot et al.
patent: 4231366 (1980-11-01), Schael
patent: 4401431 (1983-08-01), Arp
"New System for Single-Needle Dialysis", British Medical Journal, vol. 281, p. 1109, (Oct. 25, 1980).

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