Patent ID: 8211059

Claim:
An apparatus for dispensing medicaments to a patient comprising: (a) A fluid dispensing unit comprising: (i) a dispenser housing, including a connector portion; (ii) a reservoir defining assembly formed in accordance with an aseptic blow-fill-seal manufacturing technique and comprising a collapsible container having a collapsible fluid reservoir carried by said dispenser housing, said collapsible container having a top wall, a bottom wall and a telescoping side wall, said collapsible container having an outlet port and further including a neck portion connected to said top wall, said neck portion being sealed by a closure wall; (iii) stored energy means carried by said dispenser housing and operably associated with said collapsible reservoir for collapsing said collapsible reservoir to expel fluid from said outlet port of said collapsible reservoir; and (iv) dispensing means connected to said outlet port of said collapsible reservoir for dispensing fluid to the patient; and (b) an additive sub-system removably connected to said fluid dispensing unit for adding fluid to said collapsible fluid reservoir of said fluid dispensing unit, said additive sub-system comprising: (i) a connector housing removably connected to said connector portion of said dispenser housing of said fluid dispensing unit; and (ii) a vial assembly removably receivable within said connector housing, said vial assembly comprising a vial defining a fluid chamber containing a medicament and an elastomeric member movable within said fluid chamber between first and second positions; (c) fluid flow control means carried by said dispenser housing for controlling fluid flow from said collapsible reservoir toward said dispensing means, said fluid flow control means comprising rate control means for controlling the rate of fluid flow from said collapsible reservoir toward said dispensing means and operating means for controlling fluid flow from said additive subsystem toward said collapsible fluid reservoir, said operating means, comprising reservoir accessing means comprising: (i) penetrating means for penetrating said closure wall of said neck portion of said collapsible container; and (ii) a control knob rotatably carried by said dispenser housing for causing said penetrating means to penetrate said closure wall.