Medication infusion pump

Details Medication infusion pump Medication infusion pump

1983-07-20

1984-08-28

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

128DIG12, A61M 520

Patent

active

044682212

ABSTRACT:
An extracorporeal medication infusion device provides a precise infusion rate of a liquid medication into a human or animal body. The infusion device includes a permanent portion which has a case, a battery, a programmable electronic controller, and an electromagnetic solenoid core and solenoid coil for providing an actuation force. The infusion device also includes a disposable portion which includes a reservoir filled with a liquid medication that is to be dispensed and a pump for pumping the medication from the reservoir into the user's body. The pump includes a pump chamber and a piston connected to an electromagnetic armature for altering the volume of the pump chamber in response to the actuation force.

REFERENCES:
patent: 2925814 (1960-02-01), Vibber et al.
patent: 3923060 (1975-12-01), Ellinwood
patent: 3985133 (1976-10-01), Jenkins et al.
patent: 4209014 (1980-06-01), Setton
patent: 4274407 (1981-06-01), Scarlett
patent: 4373527 (1983-02-01), Fischell

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