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公开(公告)号：US20200164143A1
公开(公告)日：2020-05-28
申请号：US16697920
申请日：2019-11-27
Applicant: Insulet Corporation
Inventor： Steven CARDINALI , Lucas MCGAHREN , Nicholas LAU , Ian MCLAUGHLIN
Abstract: A multiple pulse volume shuttle pump powered by a shape memory alloy (SMA) wire is disclosed. In some embodiments, a shuttle pump system may include a pump chamber, a valve operable with the pump chamber, and a wire coupled to a valve shaft of the valve for controlling a position of the valve. The shuttle pump system may further include a pin disposed within an inset pathway of a cam, wherein the pin is moveable between multiple positions of the inset pathway in response to actuation of the valve shaft.
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