1引言目前我国大部分医院已普遍使用一次性注射器，大大减少了由针头引起的病人间的医院内感染。但与此同时注射器的用量也随之大量增加，这些注射针头使用后若处理方式不当，针头暴露在扑鼻刺伤人体问造成感染。我们于1998年起在内科门诊使用由我院临床科研人p设计的一种新型 1 Introduction At present, most hospitals in China have already used disposable syringes, which greatly reduces hospital infections caused by needles. However, at the same time, the amount of syringes has also increased substantially. If these needles are used improperly after use, the needles are exposed to the puncture wounds and cause infections. We have used a new type of clinical researcher designed by our hospital in the outpatient department of internal medicine since 1998.