目的 探索天轨式移位系统在ICU机械通气患者早期活动中的应用效果。 方法 选取2023年3月—11月杭州市某三级甲等医院ICU收治的104例机械通气患者为研究对象，按照随机数字表法分为试验组52例和对照组52例。试验组采用基于天轨式移位系统的早期活动方案，对照组采用常规早期活动方案，比较两组患者早期活动的有效性（首次床边坐位和站立启动时间、平均每日活动量、ICU获得性衰弱发生率、机械通气时间、ICU住院时间）、安全性以及患者和护士早期活动满意度。 结果 试验组患者首次床边坐位和站立启动时间、平均每日活动量、ICU获得性衰弱发生率以及患者和护士早期活动满意度均优于对照组，差异有统计学意义（P<0.05）；试验组机械通气时间、ICU住院时间和早期活动相关性不良事件与对照组相比，差异无统计学意义（P>O.05）。 结论 天轨式移位系统有助于ICU机械通气患者早期离床活动，增加每日活动量，降低ICU获得性衰弱的发生，同时可提高患者和护士对早期活动的满意度，为ICU机械通气患者开展高质量重症康复护理提供借鉴。

Objective To evaluate the effects of ceiling lifts on early mobilization in ventilated ICU patients. Methods A total of 104 ventilated patients admitted to the ICU of a tertiary class A hospital in Hangzhou from March 2023 to November 2023 were enrolled and randomized into the experimental group（n=52） and the control group（n=52）. The experimental group received ceiling lift-based early mobilization，while the control group received conventional early mobilization. Outcomes were compared between the two groups，including initiation time to first bedside sitting and standing，average daily mobilization dosage，incidence of ICU-acquired weakness，duration of mechanical ventilation，length of ICU stay，safety，as well as patients’ and nurses’ experiences with early mobilization. Results Compared with the control group，the experimental group showed significantly earlier first bedside sitting and standing，higher average daily mobilization dosage，lower ICU-acquired weakness incidence，and greater satisfaction among patients and nurses（all P<0.05）. No significant differences were observed in duration of mechanical ventilation，length of ICU stay，or early mobilization-related adverse events（P>0.05）. Conclusion Ceiling lifts facilitate earlier out-of-bed mobilization，increase daily mobilization dosage，reduce ICU-acquired weakness，and improve satisfaction among patients and nurses，offering a novel strategy for high-quality rehabilitation in ventilated ICU patients.