Patent ID: 8100890
Filing Date: 2012-01-24
Classification: A61M

Abstract:
1. A dispensing device for dispensing a medicament to a patient comprising: (a) a device housing; (b) a reservoir defining assembly carried by said housing, said reservoir defining assembly comprising an integrally formed, hermetically sealed container including a collapsible accordion-like, continuous uninterrupted side wall, a neck portion connected to said side wall, said neck portion having a closure wall, said container having an inlet port and an outlet port; (c) a spring carried by said housing and operably associated with said reservoir defining assembly for collapsing said collapsible reservoir to expel fluid medicament therefrom; (d) a flow rate control assembly carried by said device housing for controlling the rate of flow of medicament from said reservoir to the patient, said flow rate control assembly including: (e) a dose control assembly carried by said device housing and operably associated with said flow rate control assembly for controlling the dose of medicament flowing from said reservoir to the patient, said dose control assembly comprising a rotatable patient dose selector knob having a fluid passageway in communication with said plurality of spaced-apart, fluid passageways of said fluid pickup housing; and (f) an administration set connected to said device housing and in communication with said dose control assembly.