Patent ID: RE43329

Claim:
A medicament-dispensing system comprising: a vial for holding a volume of medicament; a dispenser having an elastic, deformable body portion and a nozzle connected to said deformable body portion, said deformable body portion providing spring action and containing a dosage cavity, wherein said dispenser is actuated to load from said vial a calibrated amount of medicament into said cavity therein by deformation of said elastic, deformable body portion of the dispenser to a first non-ambient position and which is actuated to discharge said calibrated amount of medicament from said nozzle upon subsequent restoration of the deformable body portion to its ambient position; a housing for retaining the dispenser, the housing having an anterior wall with an aperture for receiving the nozzle of the dispenser; a one-way actuation release mechanism operationally coupled to said housing for actuating, by a single actuating motion, said dispenser to sequentially fill said cavity with medicament from said vial and subsequently discharge said medicament from said cavity through said nozzle, said one-way actuation release mechanism having a trigger and a release unit operationally coupled to said trigger and releasably engaging said deformable body portion, said release unit deforming said deformable body portion from said ambient position towards said first non-ambient position in a first phase of said actuating motion, said deformation causing flow of medicament from said vial to said cavity to fill said cavity, and said release unit disengaging from said deformable body portion at said first non-ambient position upon continuation of said actuating motion into a second phase, wherein said deformable body portion returns to said ambient position upon disengagement from said release unit to pressurize medicament in said cavity and discharge said medicament through said nozzle portion, and wherein said one-way actuation release mechanism facilitates substantially constant spring force of said deformable body portion over an extended period of time by preventing locking of said deformable body portion in any non-ambient position.