Syringe pump pusher

Details Syringe pump pusher Syringe pump pusher

1992-04-29

1993-08-03

Lewis, Ralph

Surgery

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

Treating material introduced into or removed from body...

128DIG1, 128DIG2, A61M 3700

Patent

active

052324494

ABSTRACT:
A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for locking a syringe in place is also provided. The syringe clamp is spring-loaded and lockable. A syringe position detector is provided to ensure the proper placement of the syringe prior to and during pumping. A control knob is provided on the face of the pump for controlling both the locking of the syringe barrel clamp and the coupling of the drive belt with a d.c. motor. The pump includes a housing having an elongated slot through which the syringe pusher is connected to the drive belt. A sealing band is connected to the syringe pusher and is moveable with the syringe pusher for sealing the slot against moisture or other contaminants. A pole clamp assembly is incorporated within the pump housing and includes a clamping arm for securing the pole between the clamping arm and the housing. The clamping arm is movable to a storage position where it is substantially flush with the outer surface of the pump housing.

REFERENCES:
patent: 4191187 (1980-03-01), Wright
patent: 4424720 (1984-01-01), Bucchianeri
patent: 4435173 (1984-03-01), Siposs et al.
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patent: 4988337 (1991-01-01), Ito
patent: 5006112 (1991-04-01), Metzner
patent: 5034004 (1991-07-01), Crankshaw et al.
patent: 5106375 (1992-04-01), Conero
patent: 5139484 (1992-08-01), Hazon et al.

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