Patent ID: 7740619
Filing Date: 2010-06-22
Classification: A61F,A61M

Abstract:
1. An ophthalmic injection device comprising: a dispensing chamber housing having an inner surface and an outer surface, the inner surface partially defining a dispensing chamber for receiving a quantity of a substance; a plunger fluidly sealed to an interior surface of the dispensing chamber housing; a needle fluidly coupled to the dispensing chamber; a spring for providing a force to drive the plunger; an actuator coupled to a lockout bar, the lockout bar having an opening with a first shape; and a button that interfaces with the lockout bar, the button having an end with a second shape that is configured to fit in the opening; wherein the actuator moves the lockout bar when a condition is met, thereby allowing the button to be activated which allows the spring to provide the force to drive the plunger.