Patent ID: 6524287
Filing Date: 2003-02-25
Classification: A61F

Abstract:
Apparatus for instilling a medicament into an eye, said apparatus comprising:a housing having a front and a rear with a longitudinal axis therebetween; a reservoir, disposed in said housing and movable therein along the longitudinal axis, for containing a medicament; a nozzle disposed proximate the housing front for instilling a dose of the medicament into an eye; an actuator disposed between said reservoir and said nozzle for metering doses of medicament from said reservoir to said nozzle and forcing each metered dose through said nozzle upon acceleration of said actuator; a spring for causing longitudinal displacement of said reservoir toward the housing rear upon release of said spring from a compressed state, said longitudinal displacement causing actuation of said actuator; a depressible button disposed at the housing rear for moving said reservoir in a forward direction toward the housing front to cause compression of said spring; and a trigger, disposed in said housing for releasing the compressed spring and causing rearward movement of said reservoir.