| 摘要 |
A valve (100) comprising a tubular body (110) closed at a proximal end ( 111 ) and open at a distal end (112), outer sealing surfaces (120, 130) provided at the proximal and distal ends for sealing against an inner surface of a tube, the body comprising a flexibly mounted leg (150) between the proximal and distal ends, the leg configured to flex outwards from the body on engagement of the open distal end with a spigot (210) so as to open a fluid flow path through the body.
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