亚洲GV一区在线视频_VR专区自拍无码中文字幕精品_五月激情六月婷婷_最新99热这里只有精品_久久国产精品一区二区久久久狼_少妇乱码播放_无码精品中文字幕网站_国产无遮挡又黄又大又爽下载 _亚洲a∨激情综合五月_中文字幕无码色综合99无码_蜜臀aⅴ永久无码一区二区_国产精品自在自线。_嘿嘿视频在线成人国产_欧美 亚洲 另类 综合网_欧美日韩中文国产va另类

First aid measures of tourniquet

2019-03-29 16:54

Usage of tourniquet ligation method rubber tourniquet: left hand holding rubber belt, about 16 cm behind; right hand tightening ring body ligation, front hand to left hand, middle index two fingers, pulling down along the limbs, inserting in the front ring, to ensure not loosening. In case of massive hemorrhage of extremities, tourniquet is needed and there is no rubber tourniquet on site, local materials can be obtained, such as cloth tourniquet, thread or hemp rope. When using cloth tourniquet to stop bleeding, put in a flat ring and tighten and fix it. When using rope or hemp rope to stop bleeding, it can be tightened and fixed.