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Cutting performance of surgical electrodes by constructing bionic microstriped structures

Frontiers of Mechanical Engineering 2023年第1期18卷 163-178页

作者： Kaikai LI Longsheng LU Huaping CHEN Guoxiang JIANG Huanwen DING Min YU Yingxi XIE School of Mechanical&Automotive Engineering South China University of TechnologyGuangzhou 510641China Testing and Technology Center for Industrial Products of Shenzhen Customs District Shenzhen 518067China South China University of Technology School of Medicine Guangzhou 510006China Department of Orthopaedics Guangzhou First People’s HospitalGuangzhou 510180China Department of General Surgery Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080China

surgical electrodes rely on thermal effect of high-frequency current and are a widely used medical tool for cutting and coagulating biological ***,tissue adhesion on the electrode surface and thermal injury to adjacent tissue are serious problems in surgery that can affect cutting performance.A bionic microstriped structure mimicking a banana leaf was constructed on the electrode via nanosecond laser surface texturing,followed by silanization treatment,to enhance *** effect of initial,simple grid-textured,and bionic electrodes with different wettabilities on tissue adhesion and thermal injury were investigated using horizontal and vertical cutting *** showed that the bionic electrode with high lyophobicity can effectively reduce tissue adhesion mass and thermal injury depth/area compared with the initial *** formation mechanism of adhered tissue was discussed in terms of morphological features,and the potential mechanism for antiadhesion and heat dissipation of the bionic electrode was ***,we evaluated the influence of groove depth on tissue adhesion and thermal injury and then verified the antiadhesion stability of the bionic *** study demonstrates a promising approach for improving the cutting performance of surgical electrodes.

关键词： surgical electrodes tissue adhesion thermal injury bionic structures cutting performance medical tools

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