Infusion means

Details Infusion means Infusion means

1987-11-02

1989-05-23

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 50, 417 26, A61M 3100

Patent

active

048326895

ABSTRACT:
Infusion liquid flows from a container via a hose controlled by a squeezing valve into a measuring chamber which has an existing predetermined upper filling level and a predetermined lower filling level which may be detected by a filling level detector. A hose pump conveys liquid from the measuring chamber to the patient. In order to adjust the rate of the hose pump in accordance with the provided infusion rate, the time required in case of the closed squeezing valve to pump off fluid from the upper filling level to the lower filling level is determined. Subsequently, the measuring container is refilled within a filling time, while pump is further operative or may be also stopped. The measuring chamber including the hoses connected thereto may be designed as a disposable unit.

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patent: 4747822 (1988-05-01), Peabody

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