基于磁压榨技术的气管食管瘘闭合修补装置的设计  

Design of tracheoesophageal fistula closure repair device based on magnetic compression technique

作　　者：李益行 刘培楠 张至轩 吝怡 张涵芷 马锋[2] 吕毅[1,2] 张勇[4] 史爱华[2] 严小鹏[1,2] LI Yi-xing;LIU Pei-nan;ZHANG Zhi-xuan;LIN Yi;ZHANG Han-zhi;MA Feng;LYU Yi;ZHANG Yong;SHI Ai-hua;YAN Xiao-peng(Department of Hepatobiliary Surgery,the First Affiliated Hospital of Xi'an Jiaotong University,Xi'an 710061,China;National Local Joint Engineering Research Center for Precision Surgery&Regenerative Medicine,the First Affiliated Hospital of Xi'an Jiaotong University,Xi'an 710061,China;Qide College,Xi'an Jiaotong University,Xi'an 710061,China;Department of Thoracic Surgery,the First Affiliated Hospital of Xi'an Jiaotong University,Xi'an 710061,China)

机构地区：[1]西安交通大学第一附属医院肝胆外科,西安710061 [2]西安交通大学第一附属医院精准外科与再生医学国家地方联合工程研究中心,西安710061 [3]西安交通大学启德书院,西安710061 [4]西安交通大学第一附属医院胸外科,西安710061

出　　处：《医疗卫生装备》2020年第4期14-17,38,共5页Chinese Medical Equipment Journal

基　　金：国家自然科学基金项目(81700545);陕西省自然科学基础研究计划项目(2017JQ8021);中央高校基本科研业务费专项资金(xjj2018jchz14)。

摘　　要：目的:设计基于磁压榨技术的气管食管瘘闭合修补的磁性装置,并通过动物实验验证其可行性。方法:装置由压榨磁体和夹持钳组成,压榨磁体为采用钕铁硼材料制作而成的具有不同截面的条形磁体,表面以镍铜镍-氮化钛复合镀层;夹持钳的钳口被设计为与压榨磁体相配套的不同结构,钳口借助钳臂的平行联动结构传递磁体。结果:在2只犬动物模型上使用该装置实施磁压榨气管食管瘘闭合修补手术,均获成功。结论:基于磁压榨技术的气管食管瘘闭合修补装置可用于气管食管瘘闭合修补,初步实验验证安全可行,具有重要的临床应用价值。Objective To design a magnetic device for the closed repair of tracheoesophageal fistula based on the principle of magnetic compression technique,and verify its feasibility by animal experiments.Methods The device consisted of squeezing magnets and supporting clamps.The squeezing magnets were bar magnets with different cross sections made of sintered-type neodymium-iron-boron(NdFeB,N45),and were all plated with nickel copper nickel-titanium nitride composite coating on the external surfaces.The clamp head was designed with different structures to match with the squeezing magnets,and it controlled the closing of the squeezing magnets by the linked clamp arms.Results The closed repair operation of magnetic squeezing tracheoesophageal fistula was successfully performed on two dog animal models.Conclusion The device based on magnetic compression technique can be used for tracheoesophageal fistula closure and repair.It proves its safety and feasibility by preliminary experiments,and is of great value for clinical application.

关 键 词：磁压榨技术 气管食管瘘 磁性装置 压榨磁体 磁吻合 

分 类 号：R318[医药卫生—生物医学工程] R608[医药卫生—基础医学]