handpiece

As a means for CO 2 laser beam, the handpiece for articulated arms was consisted of couple, fiber connecter, flexible metallic tube, lens.

用卤化银多晶光纤制成在关节式导光臂上使用的卤化银光纤手术刀头。手术刀头由耦合器、光纤连接器、柔性金属管、聚焦透镜座等组成。

Conclusion: The efficacy of ultraviolet irradiation method and disinfectant wiping method in disinfecting toothdrill handpiece is relatively poor, while autoclaving can fulfil the requirement of sterilization of toothdrill handpiece, but it has certain damaging effect on toothdrill handpiece.

结论，紫外线照射法和消毒剂擦拭法对牙钻手机消毒效果较差，压力蒸汽灭菌法可使牙钻手机达到灭菌要求，但其对牙钻手机有一定损坏作用。

In order to compare the disinfection efficacy of different disinfection methods in disinfection of stomatological handpiece in medical institutions, field sampling examination method was used to observe the efficacy of ultraviolet irradiation, disinfectant wiping and autoclaving in disinfection of toothdrill handpiece.

为了比较不同消毒方法对医疗机构口腔科手机消毒效果，采用现场采样检测方法，对紫外线照射法、消毒剂擦拭法和压力蒸汽灭菌法消毒牙钻手机的效果进行了观察。