Patent ID: 11890448
Assignee: DEKA PRODUCTS LIMITED PARTNERSHIP
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 0:
1. A shape-memory alloy wire pumping system comprising:
at least one shape-memory alloy wire;
a pump plunger connected to the at least one shape-memory alloy wire wherein the shape-memory alloy wire, when actuated, actuates the pump plunger;
a valve member connected to the at least one shape-memory alloy wire wherein the shape-memory alloy wire, when actuated, actuates the valve member;
a reservoir upstream from the valve member, wherein the valve member controls the flow of fluid from a reservoir to an exit;
a controller for controlling an ontime of the at least one shape-memory alloy wire; and
a temperature sensor for determining the temperature of the shape-memory alloy wire, wherein the controller determines the ontime based on the temperature of the shape-memory alloy wire before actuation of one of the pump plunger and the valve member.