Patent ID: 7771391

Claim:
A wearable infusion device comprising: a reservoir that holds a liquid medicament; an outlet port that delivers the liquid medicament to a patient; a pump that displaces a volume of the liquid medicament to the outlet port when actuated, wherein the pump is configured to be actuated multiple times; and a control that actuates the pump, the control comprising a snap action actuator, wherein the snap action actuator comprises a bendable member, an abutment member that initially engages and holds the bendable member under compression, a first cam surface that, when translated in a first direction, raises the bendable member above the abutment member to release the bendable member, a second cam surface that, when translated in a second direction, opposite the first direction, raises the bendable member above the abutment member and returns the bendable member into engagement with the abutment member under compression, and, a spring that forces the second cam surface to translate in the second direction.