静脉注射是临床上常用的一种给药途径,特别在门诊注射室大部分静脉给药均采用静脉推注。但临床上多年来一直采用人工推注,这样给护士加大了工作量,而且推注速度不均,使患者感到疼痛或不适。我们设计了一种自动助推器,经过100多例次临床应用效果良好,现介绍如下。1　材料直径为4 Intravenous injection is a common route of administration in clinical practice. Intravenous bolus injection is used for most intravenous injection in outpatient injection rooms. However, in clinical practice, manual bolus injection has been used for a long time, which has increased the workload for nurses and has resulted in uneven speed of bolus injection, causing the patient to feel pain or discomfort. We designed an automatic booster that works well after more than 100 clinical trials and is presented below. 1 material diameter of 4