模仿蜂类产卵器运动，降低探针插入软组织时的力与损伤
Force interaction, modeling and soft tissue deformation during reciprocating insertion of multi-part probe
- 设计多段式探针模拟蜂类往复运动插入
- 往复插入使峰值力和位移分别降低19%和20%
- 适合微创手术器械设计与生物力学研究者
受产卵蜂启发，其通过往复运动实现软组织插入，有望降低插入力并减少组织损伤。本研究针对模仿蜂类产卵器的多段式探针，建立往复插入模型，并结合力传感器与激光光学技术，分析探针与软组织的相互作用及变形特性。在整体探针速度为1 mm/s的条件下，往复插入过程中软基底的峰值力与平均位移分别较直接插入降低约19%和20%。该研究提出一种融合机械建模与实验分析的新方法，深化了对往复插入力学机制的理解，为微创介入器械设计提供新思路。
原文摘要 · Abstract (English)
The bio-inspired engineering of ovipositing wasps, which employ a reciprocating motion for soft tissue insertion, offers potential advantages in reducing insertion force and minimizing tissue damage. However, the underlying mechanisms of tissue interaction and sparing are not fully understood. In this study, we aim to investigate a multi-part probe designed to mimic the reciprocating motion of ovipositors. A reciprocal insertion model was developed to study the interaction between the probe and soft tissue, and experimental testing was conducted using a force sensor and laser optical technique to gain insights into interacting forces and tissue deformation. The results reveal that during the cutting phase of reciprocal motion, the peak force and average displacement of the soft substrate were approximately 19% and 20% lower, respectively, compared to direct insertion at an overall probe velocity of 1 mm/s. This study presents a novel approach combining mechanical modeling and experimental analysis to explore the force mechanics of the reciprocating insertion method, providing a better understanding of the interaction between the probe and soft tissue.
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