Apparatus for fluid balancing under sterile conditions

Details Apparatus for fluid balancing under sterile conditions Apparatus for fluid balancing under sterile conditions

1978-12-04

1981-06-30

Howell, Kyle L.

Surgery

Respiratory method or device

Ozone or ion generation

128214E, A61J 700

Patent

active

042757266

ABSTRACT:
Apparatus for removing fluid from and supplying fluid to the human body in substantially equal quantities includes a double tube pump (1), a measuring chamber (2), and a supply container (4), the pump being arranged to deliver fluid from the supply container to the body by a line (13) while removing fluid at an equal rate from the measuring chamber, which receives fluid from the body by a line (1). The measuring chamber is provided with sensing means (8,9) which supply signals in response to variations in the level of fluid in the measuring chamber to a controller (7) which controls the pump motor speed. For use in diuresis and haemofiltration, an additional single pump (14) in a discharge line (16) from the measuring chamber is controllable by a device (18) to remove excess fluid from the measuring chamber. The double pump is the same as that described in U.S. Pat. No. 4,108,575.

REFERENCES:
patent: 3520298 (1970-07-01), Lange
patent: 3709222 (1973-01-01), De Vries
patent: 4096859 (1978-06-01), Agarwal et al.
patent: 4108575 (1978-08-01), Schal
patent: 4190047 (1980-02-01), Jacobsen et al.

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