Syringe pump with graphical display or error conditions

Details Syringe pump with graphical display or error conditions Syringe pump with graphical display or error conditions

1992-09-23

1993-10-19

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

417 63, A61M 100

Patent

active

052540960

ABSTRACT:
A syringe pump is disclosed, having a housing, a motor driven pusher for pushing the plunger of a syringe and various transducers to determine error conditions in the placement of the syringe in the syringe pump, the pushing force of the pusher on the syringe and the engagement of the pusher drive mechanism. The syringe pump is provided with a clamp for holding the syringe in place and a device for preventing fluid from being siphoned out of the syringe. There is also a device for engaging and disengaging the motor drive mechanism. A position sensor senses the position of the syringe plunger in the barrel. A display graphically represents the syringe. Indicia are provided on the display to alert the user of conditions in the mechanism for holding the syringe in place, antisiphon device, the syringe drive engagement mechanism and the position of the plunger in the barrel.

REFERENCES:
patent: 4137913 (1979-02-01), George
patent: 4396385 (1983-08-01), Kelly et al.
patent: 4642098 (1987-02-01), Lundquist
patent: 4985015 (1991-01-01), Obermann et al.
patent: 5085643 (1992-02-01), Larkin et al.

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