常规临床输液,普遍采用挂瓶输液的地心引力法,这种输液法存在着以下诸点不足:1.输液过程中,患者不能取自由体位,饮食起居或进行某些医学检查均感不便,长时间的输液,还将导致手脚发麻;2.在伤病员转运途中输液瓶不易固定,输液针头容易堵塞;3.输液速度不易精确控制,对使用维持 Conventional clinical infusion, the general use of gravity bottle hanging infusion method, the infusion method there are the following deficiencies: 1. Infusion process, the patient can not be taken from the position, diet or living in some medical examination are inconvenienced, Prolonged infusion, will lead to numbness of hands and feet; 2 transfusion bottle in the wounded and sick transfusion bottle is not easy to fixed, infusion needle easily blocked; 3 infusion speed is not easy to accurately control the use of maintenance