现有的医用注射器 ,在使用过程中 ,特别是抽吸量大 ,配制多种药液时 (比如配静脉点滴青霉素等 )稍有操作不慎 ,就会污染注射器活塞裸露部分 ,致污染药液 ,增加院内感染因素 ,如果工作人员按教科书所规定的抽吸药液方法操作 ,使用时相当不方便 ,影响工作效率。防污染医用注射器 Existing medical injectors have a large amount of suction during use, and when a variety of liquids (for example, intravenous drip penicillin, etc.) are used, careless operation can contaminate exposed portions of the syringe’s piston, resulting in contaminated liquids. ,Increase in-hospital infection factors, if the staff members operate according to the method of aspiration of liquid medicine as stipulated in the textbooks, it is quite inconvenient to use and affects the work efficiency. Pollution prevention medical syringe