Battery operated miniature syringe infusion pump

Details Battery operated miniature syringe infusion pump Battery operated miniature syringe infusion pump

1983-11-22

1985-10-01

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604245, 128DIG12, A61M 520

Patent

active

045443696

ABSTRACT:
A small, light weight, battery operated, fixed speed syringe infusion pump is capable of being IV pole mounted. A disposable syringe is secured in a snap-in holder and the syringe plunger is moved by a pusher. The pusher is advanced to the syringe plunger by squeezing a finger tab. This simultaneously decouples the pusher from the internal drive and opens the antisiphon catch to allow quick and easy set-up. To initiate flow, a switch is moved to the "on" position. The pusher is moved by the engagement of a nut on a threaded lead screw. The lead screw is rotated, through appropriate gearing, by a direct current motor. A force sensing system is included as part of the syringe holder and is used to detect end of syringe and occlusion. Visual indicators and audio alarms for infusion and warning and to sense condition of the batteries are provided.

REFERENCES:
patent: 3336925 (1967-08-01), Thompson III
patent: 3415419 (1968-12-01), Jewitt et al.
patent: 3456649 (1969-07-01), Jewitt
patent: 4191187 (1980-03-01), Wright
patent: 4424720 (1984-01-01), Bucchianeri
patent: 4435173 (1984-03-01), Siposs et al.
patent: 4465474 (1984-08-01), Mardorf et al.

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