纤维喉镜叶片经蒸汽灭菌后光强度的变化。
Changes in the light intensity of the fiberoptic laryngoscope blade by steam sterilization.
作者信息
Nishiyama Tomoki
机构信息
Department of Anesthesiology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.
出版信息
Anesth Analg. 2007 Apr;104(4):908-10. doi: 10.1213/01.ane.0000255154.77505.c8.
BACKGROUND
I investigated the effects of steam sterilization on light intensity of reusable fiberoptic laryngoscope blades.
METHODS
Six new reusable fiberoptic Macintosh laryngoscope blades were steam sterilized. The light intensity was measured, the tip of the blades was photographed, and the light intensity of six new plastic disposable Macintosh laryngoscope blades was also measured.
RESULTS
The light intensity of reusable blades exceeded that of the disposable blades after 20 sterilizations, but was significantly lower after 80 sterilizations. The photographs showed irregular lighting of the blades, which increased with repeated sterilization.
CONCLUSIONS
Disposable plastic blades provide more illumination than reusable fiberoptic blades subjected to repeated sterilization.
背景
我研究了蒸汽灭菌对可重复使用的光纤喉镜叶片光强度的影响。
方法
对六片新的可重复使用的光纤麦金托什喉镜叶片进行蒸汽灭菌。测量光强度，拍摄叶片尖端照片，并测量六片新的塑料一次性麦金托什喉镜叶片的光强度。
结果
可重复使用的叶片在20次灭菌后光强度超过一次性叶片，但在80次灭菌后显著降低。照片显示叶片照明不规则，且随着重复灭菌而增加。
结论
一次性塑料叶片比经过反复灭菌的可重复使用光纤叶片提供更多照明。
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