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外科研究与新技术（中英文）

外科研究与新技术 ›› 2013, Vol. 2 ›› Issue (2): 90-93.

• 论著 • 上一篇    下一篇

经脐入路腹腔镜手术操作非接触式力学评估平台的建立

徐安安1，朱江帆1，苏金1，张东升2，王强2   

  1. 1.同济大学附属东方医院微创外科，上海200120;
    2.上海大学力学系，上海200444
  • 出版日期:2013-06-28 发布日期:2013-02-25
  • 通讯作者: 朱江帆(1955-)，男，河北人，教授博士生导师，研究腹腔镜外科的临床与实验研究。E-mail:zhujiangfan@hotmail.com
  • 作者简介:徐安安(1982-)，男，主治医师，硕士研究生，主要从事普外科常见疾病的微创治疗研究。
  • 基金资助:
    浦东新区重点发展学科项目资助(PWZxk2010-07

Development of noncontacting mechanical measurement system for instruments in laparo-endoscopic single-site surgery with digital image correlation technology

XU An-an1, ZHU Jiang-fan1, SU Jin1, ZHANG Dong-sheng2, WANG Qiang2   

  1. 1.Department of General Surgery,East Hospital of Tongji University,Shanghai,200120,China;
    2.Department of Mechanics Shanghai University,Shanghai 200444,China
  • Online:2013-06-28 Published:2013-02-25

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摘要： 目的 本研究旨在建立基于数字图像相关技术的非接触式力学测试评估平台，明确其在经脐入路腹腔镜手术操作评估中的可靠性。方法 用腹腔镜模拟训练箱和SILS Port组建经脐入路腹腔镜手术操作平台。分析基于数字图像相关技术评估平台得到的位移与应变分量改变与客观标准——万能材料试验机水平牵引载荷改变的相关性。结果 本实验中8次重复实验的研究结果均显示，由数字图像相关技术得到的位移与应变分量改变与万能材料试验机牵引实验载荷改变呈强相关，且相关系数有统计学意义(P<0.001)。结论 基于三维数字图像相关技术的非接触式力学测试方法反映了器械进行操作时SILS port 发生的综合性力学参数改变，方法可靠，适用于经脐入路腹腔镜手术器械与操作方法评估。

关键词: 经脐入路腹腔镜手术, 力学评估平台, 数字图像相关技术

Abstract: Objective Analysis of mechanical measurements in laparo-endoscopic single-site surgery (LESS) is an important instrument design and surgical simulator.Aims of this study was to set up and evaluate the reliability and stability of noncontacting mechanical measurement system for instrument of LESS in company with digital image correlation technology.Methods The noncontacting mechanical measurement system was connected to a digital image correlation devices and a LESS manipulation platform (set up with a SILS Port and an inanimate laparoscopic trainer box).The correlation between the changes of deformation measurements (displacement and strain calculated by digital image correlation technology) and the change of workload (workout by the universal material testing machine)were evaluated.The experiment was repeated 8 times.Results A strong correlation was noticed between the changes of deformation measurements and the change of workload.The correlation coefficient was statistical significant (P<0.001).A high stability was well shown in all repetitions.Conclusions A noncontacting mechanical measurement system has been developed for LESS.Comprehensive mechanical parameters of SILS port can be obtained precisely by the digital image correlation technology.It is reliable and stable for the evaluation of instruments and manipulations in laparo-endoscopic single-site surgery by this system.

Key words: Laparo-endoscopic single-site surgery, Noncontacting measurement system, Digital image correlation technology

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