| 摘要 |
<p>A fluid transfer device is provided for administration of medicament to a patient. The device includes a plastic housing having a first inlet, a second inlet and an outlet, and an umbrella check valve coupling the inlets and outlets. The umbrella check valve is positioned so as to permit flow from the first inlet to the second inlet and from the second inlet to the outlet, but to block flow from the second inlet to the first inlet and from the outlet to both the first inlet and the second inlet.</p> |
