A new three-edge bone drill designed to reduce mechanical and thermal damage

IF 5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2025-07-03 DOI:10.1016/j.ijthermalsci.2025.110128

Shaokang Song , Jun Zhao , Qian Li , Anhai Li , Xianshun Sun , Shihua Zhang , Junfu Liu

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Abstract

The geometric modification of bone drills is an important way to reduce damage to bone tissue during surgical procedures. This study designed a new three-edge bone drill to improve the efficiency of cortical bone drilling and reduce the damage to bone tissue. Compared with the common two-edge bone drill, the three-edge bone drill design reduces the uncut thickness per tooth (feed per tooth) under the same drilling conditions, and can maintain high drilling stability and low mechanical damage even under high feed rate and low spindle speed (low thermal damage) conditions. The drilling performance of the three-edge bone drill is investigated via a comprehensive cortical bone drilling experiment in comparison with that of a common two-edge bone drill. The experimental results show that compared with the two-edge drill bit, the three-edge drill reduces the drilling force by 8.51 %–22.6 %, the drilling force fluctuation is reduced by 8.12 %–20.93 %, the maximum drilling temperature is reduced by 4.23 %–12.24 %, the thermal damage area is reduced by 11.04 %–31.34 %, and the hole wall roughness is reduced by 10.55 %–26.11 %. This study provides an efficient and low-damage solution for orthopedic surgery.

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一种新型三刃骨钻，旨在减少机械和热损伤

骨钻的几何修饰是外科手术中减少骨组织损伤的重要方法。为了提高皮质骨钻孔效率，减少对骨组织的损伤，本研究设计了一种新型三刃骨钻。与普通双刃骨钻相比，三刃骨钻设计减少了相同钻孔条件下每齿（每齿进给量）的未切削厚度，即使在高进给率和低主轴转速（低热损伤）条件下也能保持高的钻孔稳定性和低的机械损伤。通过全面的皮质骨钻孔实验，对比研究了三刃骨钻与普通两刃骨钻的钻孔性能。实验结果表明，与双刃钻头相比，三刃钻头的钻削力降低了8.51% ~ 22.6%，钻削力波动降低了8.12% ~ 20.93%，最高钻削温度降低了4.23% ~ 12.24%，热损伤面积减小了11.04% ~ 31.34%，孔壁粗糙度降低了10.55% ~ 26.11%。本研究为骨科手术提供了一种高效、低损伤的解决方案。

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.