Infusion apparatus

Details Infusion apparatus Infusion apparatus

1990-10-29

1991-10-15

Hirsch, Paul J.

Surgery

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

Treating material introduced into or removed from body...

128DIG13, A61M 3100

Patent

active

050570765

ABSTRACT:
This invention relates to an apparatus for dosed, continuous and simultaneous infusion operations. To prevent an uncontrolled flow through the conveying conduits, which can above all occur during the installation of a flexible tube into or its removal from a peristaltic pump due to the action of gravity, the invention provides a valve (5, 6) which is positioned in the conveying conduit of the peristaltic pump and operatively connected to a door detector of the pump in such a way that the valve is closed when the door is opened, and opened when the door is closed.

REFERENCES:
patent: 3841799 (1974-10-01), Spinosa
patent: 4094318 (1978-06-01), Burke et al.
patent: 4187057 (1980-02-01), Xanthopoulos
patent: 4501531 (1985-02-01), Bilstad et al.
patent: 4657529 (1987-04-01), Prince et al.
patent: 4710166 (1987-12-01), Thompson et al.
patent: 4828545 (1989-05-01), Epstein et al.
patent: 4966579 (1990-10-01), Polaschegg

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