She prepared to undo the band of cloth around his arm which had served as tourniquet. 她准备解开缠在他胳臂上止血的布带。
It shows that successfulness in puncturing can be more easily achived by applying tourniquets in several times and releasing the tourniquets after each cannulation when a less venosity appears. 说明利用套管针在静脉充盈不佳血管穿刺时,行分次扎止血带和送管后松止血带可以提高穿刺成功率。