| 摘要 |
A surgical evacuation valve having first and second flow paths through the valve. The valve comprises a first housing portion having a valve inlet and a second housing portion having a valve outlet. A valve channel extends between the inlet and the outlet. The second housing portion is arranged to co-operate with the first housing portion and axial movement of the second housing portion determines a first flow path through the valve. Axial movement of a piston in the second housing portion determines a second flow path through the valve.
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