胸腔、腹腔积液在临床极为常见，中等量以上的胸腔积液及大量腹腔科液至病人胸闷、气急，腹胀难忍，可影响肺通气及循环功能，因此常需抽放积液，以缓解症状，改善呼吸及循环功能，并可减少粘连发生。过去抽放胸腹腔积液常用100ml针筒用橡皮管连接12～16号针头抽吸，这样需反复 Pleural effusion, ascites in the clinical very common, moderate amount of pleural effusion and a large number of abdominal fluid to the patient chest tightness, shortness of breath, abdominal distension, can affect pulmonary ventilation and circulatory function, so often need to drain effusion to ease Symptoms, improve breathing and circulatory function, and reduce adhesions. Past the drainage of ascites and ascites commonly used 100ml syringes with a rubber tube to connect 12 to 16 needle suction, so need to be repeated