| 摘要 |
An exhausting and decompressing device of a sphygmomanometer, suitable for communicating with the wristband/armband of the sphygmomanometer, includes a casing having a hollow accommodating space, a valve nozzle provided at one end of the casing for communicating with the accommodating space, and a movable member and a magnetic element provided within the casing. The movable member includes a base body, a valve and a magnetic body. The magnetic body is provided to correspond to the magnetic element. A gap groove is formed between the magnetic element and the base. A coil is provided within the gap groove. One end of the coil is connected to the underside of the base body of the movable member. The opening/closing between the valve of the movable member and the valve nozzle of the casing can be controlled by the interactions among the magnetic element, the magnetic body and the magnetizing coil.
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