Body fluid drainage device

Details Body fluid drainage device Body fluid drainage device

1980-06-27

1982-02-23

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

128635, A61M 100

Patent

active

043164668

ABSTRACT:
An apparatus is provided suitable for use in draining liquid from inside the human body. The apparatus incorporates two reciprocating pumps and a pair of inlet and outlet valves driven by a common linkage system. One pump draws fluid from a reservoir of additive fluid and mixes the additive with the fluid drawn from the body by the second pump. The mixture is discharged to a common collection means. A pressure sensor terminates the pumping if the fluid pressure in the flow path joining the apparatus with the body becomes abnormal. The apparatus may be mounted externally on the body of the patient and may be driven by a portable source of power. Major components may be changed quickly and easily if the flow capacity is to be changed or if a component must be replaced.

REFERENCES:
patent: 3655123 (1972-04-01), Judson et al.
patent: 3838682 (1974-10-01), Clark et al.
patent: 4006743 (1977-02-01), Kowarski
patent: 4258717 (1981-03-01), Bisera et al.

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