| 摘要 |
A valve for controlling medical infusions includes a one-piece plastic body, and a plunger assembly inserted into the body from one end. The plungers is connected to a manually operable cap containing a return spring, and the cap has a rim with a pair of internal barbs which engage an external flange on the body when the cap is fully depressed, to latch the valve open. A pair of flats on the cap rim are squeezed together in order to release the latch.
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