| 摘要 |
<p>A hand -operable system for ejecting a fluid composition into an eye, the system comprises: a container (100) having a container opening (104) and containing the fluid composition; a double-acting pump mechanism (10) securely disposed over the container opening (104); and an actuator (80) that is disposed over, and extends radially outward from, said pump mechanism (10), for actuating the pump mechanism (10) by applying a force thereon, wherein said pump mechanism (10) comprises a passage (18, 19) for said fluid composition, and said passage (18, 19) is positively sealed off when the application of said force is discontinued.</p> |
