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Optical Surface Monitoring系统跟踪运动靶区的位置精度和剂量精度验证
Optical Surface Monitoring System 锥形束CT 运动跟踪 模体 放射剂量 位置精度
2020/6/12
评估Optical Surface Monitoring System(OSMS)测量靶区运动的几何精度和使用OSMS跟踪运动靶区放疗时的剂量精度。方法:[①]分别使用OSMS与锥形束CT监测腹部模体的位置,通过移动治疗床使模体产生位移和旋转,对比二者对模体位置的测量结果;[②]用呼吸运动平台搭载MatriXX二维电离室阵列,测量不同跟踪阈值时模体内相对剂量,分别与计划剂量分布对比,分析不同跟踪阈...
Endotracheal tube cuff pressure monitoring in intensive care units
Intensive care unit Endotracheal intubation Monitor Pressure
2015/9/14
Background: Improper inflation of endotracheal tube cuff is associated with various complications. Recently, there has been high referral of patients with post-intubation complications to the clinics ...