Patent ID: 8133204

Claim:
A fluid dispensing apparatus for dispensing medicaments to a patient comprising: (a) a first assembly comprising: (i) a threaded first housing; (ii) a threaded shuttle housing threadably connected to said first housing, said shuttle housing having a wall defining an axial passageway; (iii) a shuttle mounted within said axial passageway of said shuttle housing for movement between a first retracted position and a second advanced position, said shuttle having a wall defining an axial passageway; (iv) a carriage assembly operably associated with said shuttle, said carriage being movable between a first position and a second position; (v) a spring operably associated with said carriage for moving said carriage between said first position and said second position; (vi) a reservoir assembly carried by said carriage assembly; and (b) a second assembly operably associated with said first assembly, said second assembly comprising a fluid flow control means comprising: (i) an operating means for controlling the flow of medicinal fluid toward the patient; and (ii) rate control means for controlling the rate of fluid flow from said collapsible container toward the patient.