Disposable infusion apparatus and peristaltic pump for use there

Details Disposable infusion apparatus and peristaltic pump for use there Disposable infusion apparatus and peristaltic pump for use there

1992-01-02

1992-11-24

Bertsch, Richard A.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

417360, 128DIG12, 604153, F04B 4308

Patent

active

051658747

ABSTRACT:
A disposable infusion apparatus includes proximal, distal and intermediate segments of IV tubing connected via couplings. The intermediate segment has a length sufficient for operative engagement with a pumping member of a peristaltic pump throughout a pumping stroke thereof. The intermediate segment further has a maximum Durometer of seventy-five on the Shore A scale. The pumping member includes a plurality of fingers mounted in side-by-side substantially parallel relationship for individual reciprocation. Motor driven cams individually reciprocate respective ones of the fingers in a predetermined timed sequence so that when the linearly disposed intermediate segment is squeezed by the fingers, intravenous fluid in the tubing will be pumped therethrough. The disposable apparatus further includes a door connected to opposite ends of the intermediate segment and which is releaseably loadable in a case to place the intermediate segment into operative engagement with the pumping member.

REFERENCES:
patent: 4493706 (1985-01-01), Borsanyi et al.
patent: 4565542 (1986-01-01), Berg
patent: 4653987 (1987-03-01), Tsuji et al.
patent: 4671792 (1987-06-01), Borsanyi
patent: 4798590 (1989-01-01), O'Leary et al.
patent: 4976590 (1990-12-01), Baldwin
patent: 4997347 (1991-03-01), Roos

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