Core Insights - The research team from Zhejiang University has clarified the "mechanical transmission mechanism based on live knots" and innovatively proposed live knot intelligent sutures, successfully applied in surgical suturing, with potential implications for other robotic and intelligent structure designs [1][2] Group 1: Research and Development - The team has been working for three years across multiple disciplines to address the challenge of tactile feedback in robotic-assisted surgeries, particularly during suturing and knot tying [1] - The innovative live knot allows for precise control of the "dead knot," which is crucial for the success of surgical procedures [1] - The collaboration involved experts from mechanics, medicine, mathematics, materials, machinery, and control, leading to thousands of design iterations to develop the "mechanical transmission mechanism based on live knots" [1] Group 2: Future Applications - The research team is currently building a force value database for different tissues and developing high-precision suturing products for robotic surgeries in fields such as gastrointestinal, cardiovascular, and neurosurgery [2]

撰文丨王聪 编辑丨王多鱼 封面解读 ：在手术缝合中打结需要精确的力度控制——力度过小会导致缝合伤口裂开渗液，力度过大则会引起伤口肿胀并 限制血流。机器人辅助虽能解决该问题，但其复杂的传感系统在微创手术等空间受限的操作中受到限制。该研究分析简易活 结的力学特性，发现可通过机械传力方式实现伤口的一致性闭合，且无需电子设备参与。基于此，他们开发出了一种名为 " 排版丨水成文 当你 系鞋带 时，轻轻一拉就能感受到那个恰到好处的紧度——这日常动作背后隐藏的力学智慧，如今被 浙江大学 的研究团队成功引入高端医疗领域。 2025 年 11 月 26 日， 浙江大学医学院附属邵逸夫医院 蔡秀军 院士团队与 浙江大学 交叉力学中心 杨卫 院士团队合作 （ 杨栩旭 、 陈鸣宇 、 李铁风 为论文共同通讯作者， 薛耀庭 、 曹佳胜 、 冯涛 、 张凯航 为论文共同第一作者） ，在国际顶尖学术期刊 Nature 上发表了题为： Slipknot-gauged mechanical transmission and robotic operation 的研究论文，该论文该被选为当期 封面论文 。 该研究首次提出了 基于活结的力学传导机 ...