| 摘要 |
Manual surgical sucker comprising a valve body (1) with a tubular passage (11), a shut-off member moving in the valve body (1) in parallel to the flowing direction and maintained in a closed position by a return device (6, 6a, 6b), with a substantially concentric bore (12) in an open position with respect to the tubular passage (11) of the valve body (1) and provided with connections (8, 10) respectively for a sucking pipe and a vacuum pipe, the shut-off member being configured as a valve slide (2) displaceable with a certain play in the valve body (1), the sealing between the valve slide (2) and the valve body (1) being provided by O-rings (14a, 14b) surrounding the two openings (11a, 11b) of the tubular passage (11). |
