Container-side occlusion detection system for a medication infus

Details Container-side occlusion detection system for a medication infus Container-side occlusion detection system for a medication infus

1988-05-10

1990-08-21

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 67, 128DIG13, 417 45, A61M 3100

Patent

active

049502352

ABSTRACT:
A system for detecting an occlusion in a fluid line is disclosed which can detect occlusions in the upstream or container side of a disposable cassette containing a fluid pump therein. The cassette includes a piston-type pump with inlet and outlet valves, and is for installation onto and use with a main pump unit including motors for driving the pump and valves contained in each cassette. The system utilizes control circuitry to monitor the intake stroke of the pump in the cassette, to detect an upstream occlusion in the fluid line leading to the pump, and to provide an alarm in the event of a container-side occlusion.

REFERENCES:
patent: 3981620 (1976-09-01), Abrahams et al.
patent: 4056333 (1977-11-01), Lundquist
patent: 4137913 (1979-02-01), Georgi
patent: 4255088 (1981-03-01), Newton et al.
patent: 4256437 (1981-03-01), Brown
patent: 4657490 (1987-04-01), Abbott
patent: 4733152 (1988-03-01), Allington
patent: 4741732 (1988-05-01), Crankshaw et al.
patent: 4747828 (1988-05-01), Tseo

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