机械工程学报 >

2018 , Vol. 54 >Issue 17: 21 - 27

DOI: https://doi.org/10.3901/JME.2018.17.021

特邀专栏：精准微创手术器械创成与制造基础

载能电刀仿生防粘表面技术

  • 刘光 ,
  • 张鹏飞 ,
  • 陈华伟 ,
  • 韩志武 ,
  • 张德远
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  • 1. 北京航空航天大学机械工程及自动化学院 北京 100191;
    2. 吉林大学工程仿生教育部重点实验室 长春 130022
刘光,男,1988年出生,博士研究生。主要研究方向为仿生与微纳米制造技术。E-mail:liuguang0701@163.com;韩志武,男,1969年出生,博士,教授,博士研究生导师。主要研究方向为工程仿生学。E-mail:zwhan@jlu.edu.cn;张德远,男,1963年出生,博士,教授,博士研究生导师。主要研究方向为振动切削加工,仿生生物制造。E-mail:zhangdy@buaa.edu.cn

收稿日期: 2018-01-04

  修回日期: 2018-05-05

  网络出版日期: 2018-09-05

基金资助

国家自然科学基金资助项目（51290292，51725501）。

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Bio-inspired Anti-adhesion Surfaces of Electrosurgical Scalpel

  • LIU Guang ,
  • ZHANG Pengfei ,
  • CHEN Huawei ,
  • HAN Zhiwu ,
  • ZHANG Deyuan
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  • 1. School of Mechanical Engineering and Automation, Beihang University, Beijing 100191;
    2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022

Received date: 2018-01-04

  Revised date: 2018-05-05

  Online published: 2018-09-05

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摘要

微创手术具有创伤小、疼痛轻、恢复快等优点已逐渐成为外科手术主流。微创手术组织的切割、止血常采用载能手术器械如电刀、电凝钩来完成，组织粘刀严重，会引起结痂、粘刀撕裂，造成二次创伤引起医疗事故。如何解决载能手术刀粘刀是微创手术器械面临的重要技术难题，本研究师法自然，从自然中汲取表面超滑防粘创新灵感，在揭示猪笼草湿滑防粘机制的基础上，提出液膜式防粘新策略，研究了仿生防粘表面结构高温防粘机理以及制备工艺方法。通过软组织载能切削试验测试了仿生防粘表面防粘性能、以及组织热损伤与耐久性，试验结果证实了仿生防粘表面的防粘效果得到显著提升，组织粘附力降低80%、组织粘附量降低88%、创口损伤面积减小82.6%、热损伤面积减小71%，满足了载能微创手术器械防粘技术要求。

关键词： 微创手术; 载能电刀; 仿生表面; 防粘

本文引用格式

刘光 , 张鹏飞 , 陈华伟 , 韩志武 , 张德远 . 载能电刀仿生防粘表面技术[J]. 机械工程学报, 2018 , 54(17) : 21 -27 . DOI: 10.3901/JME.2018.17.021

Abstract

Minimally invasive surgery with the advantages of less trauma, slight pain and quicker recovery has gradually become the mainstream of surgical operation. Surgical tissue cutting and hemostasis are usually accomplished via energy-based surgical instruments such as monopole electrode and electric coagulation. However due to high working temperature, tissue adhesion on the surface of the electrode can char the soft tissue and result in failure of hemostasis. Under the inspiration of nature surface, the ultra-slippery feature of Nepenthes peristome and its slippery mechanism are investigated. After revealing the ultra-slippery anti-adhesion mechanism, a new strategy of liquid thin film induced anti-adhesion are put forward based on the research of biomimetic anti-adhesion surface structure and high temperature resistance method. Finally, the energy-based cutting experiments reveal that the anti-adhesion ability of as-prepared biomimetic surface is significantly improved, for example tissue adhesion force decline by 80% and 87% for tissue adhesion mass reducing, 82.6% for wound damage area reducing, 71% for thermal damage area reducing. The bio-inspired adhesion surface satisfied the requirements of energy conservation minimally invasive surgical equipment anti sticking technology.

Key words： minimally invasive surgery; electrosurgical scalpel; bio-inspired surface; anti-adhesion

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