Patent ID: 9572931
Date: 2017-02-21
CPC Classifications: A61M

Claim:
1. A patient controlled device, for self-administration of medication, comprising: a housing; a first lever projecting from said housing; a spring cage axially movable relative to the housing; a compression spring contained at least partially within said spring cage; a plunger axially movable relative to the spring cage and the housing; a second lever, internal to said housing, wherein said first lever and said second lever are pivoted by a mutual pin, and wherein said second lever is adapted to apply force to the spring cage to move the spring cage toward the plunger and compress the compression spring; an internal reservoir; a fluid inlet; and a fluid outlet; wherein said compression spring is adapted to apply force to said plunger when compressed by said spring cage to release a medication bolus dosage from said internal reservoir through said fluid outlet.