Single needle alternating flow blood pump system

Details Single needle alternating flow blood pump system Single needle alternating flow blood pump system

1976-04-16

1977-12-20

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128214F, 210 89, A61M 103

Patent

active

040635546

ABSTRACT:
A blood pump system, typically employed in dialysis, includes a blood pump for withdrawing blood via a single hypodermic needle and valve means operated in synchronism therewith for returning treated blood via the same hypodermic needle. The operation of the blood pump is cyclically interrupted and the valve means opened for the alternate withdrawal and return of blood.

REFERENCES:
patent: 3756234 (1973-09-01), Kopp
patent: 3791767 (1974-02-01), Shill
patent: 3830234 (1974-08-01), Kopp
patent: 3848592 (1974-11-01), Willock
Twiss- Lancet- Nov. 21, 1964; p. 1106 (No. 7369).

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