| 摘要 |
<p>A medical suction apparatus is disclosed. The medical suction apparatus comprises an electromagnet operated by a power applied; a permanent magnet having the location in the medical suction apparatus changed upon the operation state of the electromagnet; a pump generating a negative pressure by being shrunk and released upon change in location of the permanent magnet; a hose delivering the negative pressure generated by the pump to the outside; and a valve located inside or outside the pump, and controlling flow of a fluid between the pump and the hose.</p> |
