The utility model relates to a suction machine outside oral cavity, including body and suction arm component. The suction arm component by many each other can the pivot the arm constitutes and including near -end and end, the suction inlet covers detachably and installs the end of suction arm component. The body includes: on the body with the near -end of suction arm component is provided with the joint that is connected, and this joint is used for intercommunication suction arm component, this internal filter equipment of being provided with is used for filtering by the indraft, this internal motor that is provided with for a power of the suction is provided, body side is provided with the exhaust window, makes the air current to follow joint department flows in, the process filter equipment flows and is close to the exhaust passage of body lateral wall, then follow the exhaust window is discharged. The utility model discloses a suction machine outside oral cavity comprises body and suction arm, and subaerial rather than being fixed in, the bottom is provided with 4 truckles and can freely moves, is convenient for use in the optional position.本實用新型關於一種口腔外抽吸機,包括本體和抽吸臂組件。抽吸臂組件由多條相互可以樞轉的臂組成並且包括近端和末端,吸口罩可拆卸地安裝在所述抽吸臂組件的末端。所述本體包括:在所述本體上與所述抽吸臂組件的近端設置有相連接的接頭,該接頭用於連通抽吸臂組件;在所述本體內設置有過濾裝置用於過濾被吸入物;在所述本體內設置有馬達,用於提供抽吸的動力;在所述本體側面設置有排氣窗,使得氣流從所述接頭處流入,經過所述過濾裝置流到靠近所述本體側壁的排氣通道,然後從所述排氣窗排出。本實用新型的口腔外抽吸機由本體和抽吸臂構成,而不是固定於地面上,底部設置有4個腳輪可以自由移動,便於在任意位置使用。1‧‧‧本體2‧‧‧抽吸臂組件16‧‧‧腳輪
