Patent ID: 7896843

Claim:
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 including a collapsible reservoir having an inlet port and an outlet port; (c) stored energy means carried by said housing and operably associated with said reservoir defining assembly for collapsing said collapsible reservoir to expel fluid medicament therefrom, said stored energy means comprising a spring; and (d) fluid flow control means carried by said device housing for controlling the flow of medicament from said reservoir toward the patient, said flow control means comprising dose control means for controlling the dose of medicament delivered to the patient, said dose control means comprising a dose control assembly, including a rotatable patient dose selector knob and rate control means for controlling the rate of medicament flow from said collapsible reservoir toward said dose control means, said rate control means comprising a flow rate control assembly, including a rotatable patient weight selector knob and first and second rate control plates, each being provided with a plurality of fluidic micro-channels interconnected with said outlet port of said collapsible reservoir.