I. V. Pump cassette

Details I. V. Pump cassette I. V. Pump cassette

1984-05-04

1985-12-10

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604151, 604246, 128DIG12, A61N 500

Patent

active

045577250

ABSTRACT:
An I.V. pump cassette includes an enclosed pumping chamber with an inlet and outlet adapted to be connected to I.V. tubing. A reciprocable plunger extends from the top of the pumping chamber. The cassette is arranged to be received in a semi-cylindrical chamber in a driver mechanism wherein a horizontally extending support portion of the cassette can be supported in a semi-circular recess and clamped thereon by overlying clamp members of the driver mechanism. An upstanding semi-circular fence is provided at the front end of the cassette to activate a laterally pivotable switch in the appropriate driver mechanism and to create an interference with the wall of the semi-cylindrical chamber in an inappropriate driver mechanism.

REFERENCES:
patent: 4038982 (1977-08-01), Burke et al.
patent: 4321461 (1982-03-01), Walter, Jr. et al.
patent: 4336800 (1982-06-01), Pastrone
patent: 4453932 (1984-06-01), Pastrone
patent: 4457753 (1984-07-01), Pastrone
patent: 4460358 (1984-07-01), Somerville et al.
patent: 4474309 (1984-10-01), Solomon
patent: 4496351 (1985-01-01), Hillel et al.

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