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-  2018 

新型心脏外科手术模拟训练系统的设计与评估

DOI: doi:10.7507/1001-5515.201712046

Keywords: 心脏外科, 冠脉搭桥手术, 模拟与仿真, 训练与评价

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Abstract:

手术训练系统可以模拟手术环境,提高受训人员的操作技能。本文设计了一种新型的心脏外科手术模拟训练系统,并选择离体猪心脏作为心脏外科手术模拟训练系统的心脏模型,通过设计机械运动装置来实现心脏模型的跳动,同时可调整机械结构运动的频率来改变心脏模型的跳动频率。为验证该系统的合理性,将 12 名非医学专业学生与 12 名医学专业学生分为两组,使用心脏外科手术模拟训练系统进行为期 7 d 的不停跳冠脉搭桥手术训练,记录受训人员训练前后完成搭桥的时间,并由 3 名外科医生采用对象结构评价技能(OSATS)评估标准对每名学员的冠脉搭桥手术训练结果进行评分。通过训练,两组受训人员完成搭桥缝合的时间均显著缩短,训练前后的 OSATS 评分均得到提高。结果表明,心脏外科手术模拟训练系统在提高受训人员手术技巧、操作技能、掌握手术器械的使用等方面具有较好的训练效果

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