| 摘要 |
Devices for controlling the level of suction to a patient in a hospital suction collection system are disclosed. The hospital collection system includes a conduit arranged to be coupled to the patient and a wall plate coupled to a source of suction and to which the device will be connected. The device includes a plastic body, an inlet portion, an outlet portion and a regulator for sensing and controlling the level of suction applied to the inlet portion. Means may be provided for ensuring that when the device is subjected to excessive mechanical force it operates in a predetermined manner, e.g., fails or pulls out of the wall plate. The device may includes means to ensuring that after it is disconnected from the wall plate it cannot be reconnected to it and a fluidic dampening system to dampen oscillatory vibrations.
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