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一种用于经自然腔道内镜手术的新型标本取物袋设计

A new type of specimen collection bag design applied to natural orifice translumenal endoscopic surgery
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摘要 目的提出一种新型的标本取物袋结构设计方案,以期能够用于经自然腔道内镜手术(natural orifice translumenal endoscopic surgery,NOTES)。方法首先,设计一种含有伸缩骨架装置、驱动结构装置、固定装置的标本取物袋结构;然后,采用MATLAB中的FMINCON函数将伸缩骨架装置的非线性化问题进行优化分析;最后,通过MATLAB对伸缩骨架装置进行运动学分析,得到伸缩骨架装置和驱动装置的角速度、角加速度曲线。结果优化设计得出驱动装置最佳运动距离区间为50~60 mm,并通过模拟实验验证了机构驱动效果。结论用于NOTES结直肠手术的新型标本取物袋结构设计方案合理,符合临床需求,具有良好的应用前景。 Objective To propose a new structural design scheme of specimen collection bag,and to apply to natural orifice translumenal endoscopic surgery.Methods First,we designed a specimen collection bag structure containing a telescopic skeleton device,a driving structure device,and a fixing device;Then,the FMINCON function in MATLAB was used to optimize the nonlinear problem of the telescopic skeleton device;Finally,the kinematics of the telescopic skeleton device was analyzed by MATLAB,angular velocity and angular acceleration curves of the telescopic skeleton device and the driving device were obtained.Results The optimal distance range of the driving device was 50-60 mm,and the driving effect of the mechanism was verified by simulation experiments.Conclusions A new type of specimen collection bag for NOTES colorectal surgery has a reasonable structure design,satisfies clinical needs,and has good application prospects.
作者 佀国宁 储青 胡伟杲 SI Guoning;CHU Qing;HU Weigao(School of Health Science and Engineering,University of Shanghai for Science and Technology,Shanghai 200093;Department of General Surgery,Shidong Hospital,Yangpu District,Shanghai,Shanghai 200433)
出处 《北京生物医学工程》 2023年第3期234-239,共6页 Beijing Biomedical Engineering
基金 上海理工大学医工交叉项目(1020308418)资助。
关键词 经自然腔道内镜手术 标本取物袋 优化设计 运动学分析 natural orifice translumenal endoscopic surgery specimen collection bag optimal design kinematic analysis
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