Syringe pump with syringe barrel position detector

Details Syringe pump with syringe barrel position detector Syringe pump with syringe barrel position detector

1992-04-29

1993-11-09

Bertsch, Richard A.

Pumps

With signal, indicator, or inspection means

604154, 128DIG1, F04B 2100

Patent

active

052597326

ABSTRACT:
A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an anti-siphon 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: 4424720 (1984-01-01), Bucchianeri
patent: 4529401 (1985-07-01), Leslie et al.
patent: 4544369 (1985-10-01), Skakoon et al.
patent: 4560979 (1985-12-01), Rosskopf
patent: 4624658 (1986-11-01), Mardorf et al.
patent: 4627835 (1986-12-01), Fenton, Jr.
patent: 4652260 (1987-03-01), Fenton, Jr. et al.
patent: 4741732 (1988-05-01), Crankshaw et al.
patent: 4767406 (1988-08-01), Wadham et al.
patent: 5034003 (1991-07-01), Denance

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