• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2026, Vol. 62 ›› Issue (9): 352-360.doi: 10.3901/JME.260427

• 数字化设计与制造 • 上一篇    

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具备位移-力双模态反馈的微创医疗手术钳设计

熊鹏文1,2, 吴然皓1,2, 张宇1,2, 徐健宁1,2, 曾成1,2, 宋爱国3   

  1. 1. 南昌大学先进制造学院 南昌 330031;
    2. 智能机器人江西省重点实验室 南昌 330031;
    3. 东南大学仪器科学与工程学院 南京 210096
  • 收稿日期:2025-05-06 修回日期:2025-12-20 发布日期:2026-07-08
  • 作者简介:熊鹏文,男,1987年出生,博士,教授,博士研究生导师。主要研究方向为机器人传感与控制技术、力触觉感知技术等。E-mail:steven.xpw@ncu.edu.cn;吴然皓,男,2000年出生,硕士研究生。主要研究方向为光纤光栅传感技术等。E-mail:412400230097@email.ncu.edu.cn;张宇(通信作者),男,1981年出生,博士,硕士研究生导师。主要研究方向为嵌入式计算机系统与机器人智能感知等。E-mail:zhangyu74@ncu.edu.cn
  • 基金资助:
    国家自然科学基金(62373181,62163024,61903175)、江西省“双千计划”(jxsq2023201097)、江西省杰出青年基金(20232ACB212002)、江西省重点研发计划青年科学家项目(20252BCE310017)、江西省主要学科学术与技术带头人项目(20204BCJ23006)和国家重点研发计划“智能机器人”专项(2023YFB4704903)资助项目。

Design of Minimally Invasive Medical Surgical Forceps with Displacement-force Bimodal Feedback

XIONG Pengwen1,2, WU Ranhao1,2, ZHANG Yu1,2, XU Jianning1,2, ZENG Cheng1,2, SONG Aiguo3   

  1. 1. School of Advanced Manufacturing, Nanchang University, Nanchang 330031;
    2. Jiangxi Key Laboratory of Intelligent Robot, Nanchang 330031;
    3. School of Instrument Science and Engineering, Southeast University, Nanjing 210096
  • Received:2025-05-06 Revised:2025-12-20 Published:2026-07-08

摘要: 传统的微创医疗手术钳存在工具和组织交互过程中都缺乏触觉信息、无法对组织进行精确定位等问题。为了提高微创手术中对夹持力感知和组织信息的判断,提高手术操作的精确性和稳定性,研究设计了一种位移-力双模态反馈的微创医疗手术钳。与传统的微创医疗手术钳相比,该手术钳可以在夹持过程中同时准确测量夹持力及钳头开合角度。采用两个光纤布拉格光栅(fiber Bragg grating,FBG)传感器测量力触觉信息以及钳头开合角度。FBG1在张紧的状态下粘贴在钳头背部中心线上,FBG2粘贴在钳体底部M型弹性梁上。通过静力学分析对结构进行优化,提高FBG灵敏度。搭建了实验平台对传感器进行静力标定实验、组织块体积识别实验以及组织块硬度识别实验,结果表明,该手术钳可以识别生物组织内不同体积、硬度的组织块。在该组传感器中,FBG1在载荷为1~10 N区间时平均灵敏度为32.03 pm/N,线性度为0.998;FBG2在钳头开合角度为0~60°区间时平均灵敏度为5.66 pm/(°),线性度为0.998。

关键词: 微创手术, 位移-力双模态反馈, 光纤布拉格光栅, 体积识别, 硬度识别

Abstract: Traditional minimally invasive medical surgical forceps lack tactile feedback during tool-tissue interaction and cannot accurately position tissue. To enhance the perception of clamping force and tissue characteristics in minimally invasive surgery, as well as to improve the precision and stability of surgical operations, this study presents a novel design for minimally invasive surgical forceps featuring displacement-force bimodal feedback. In contrast to conventional instruments, the proposed forceps enable accurate measurement of both the clamping force and the jaw opening angle during operation. The system integrates two fiber Bragg grating (FBG) sensors: FBG1 attaches along the centerline on the back of the plier head under pre-tension to capture force-tactile data, while FBG2 mounts on the M-shaped elastic beam located at the bottom of the plier body to monitor angular displacement. The design undergoes structural optimization through hydrostatic analysis to enhance FBG sensitivity. A dedicated experimental platform supports static calibration, tissue block volume identification, and hardness recognition tests. Results demonstrate the device’s ability to distinguish tissue blocks with varying volumes and stiffness within biological samples. In terms of performance, FBG1 achieves an average sensitivity of 32.03 pm/N with a linearity of 0.998 across the 1-10 N load range. FBG2 delivers an average sensitivity of 5.66 pm/(°) and maintains the same linearity over the 0-60° jaw angle range.

Key words: minimally invasive surgery, displacement-force bimodal feedback, fiber Bragg grating, volumetric identification, hardness recognition

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