Medication infusion pump

Details Medication infusion pump Medication infusion pump

1982-08-02

1984-05-01

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Direct response valves

137DIG4, 137843, F16K 1500

Patent

active

044455356

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: 711792 (1902-10-01), Smith
patent: 4386890 (1983-06-01), Berkowitz

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