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公开(公告)号:US11446435B2
公开(公告)日:2022-09-20
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.