动载荷下超声骨切割的稳定性分析

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-03-24 DOI:10.1016/j.apacoust.2025.110690

Anxing Zhang , Linwei Wang , Jingyu Wang , Yu Liu , Jinguang Li , Yumeng Sun , Shiwei Wang

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引用次数: 0

摘要

超声骨刀以其独特的安全性在外科手术中得到了广泛的应用。一个主要的操作挑战是UBS在切割过程中缺乏稳定性，经常影响手术质量。本文提出了一种新的UBS切割稳定性分析方法，揭示了其在动态载荷变化下的失稳机理。将谐振下频率跟踪（RFT）控制策略与UBS的阻抗特性相结合，构建了负载稳定性模型，该模型可以求解动态负载变化下的频率响应并预测失稳临界负载。此外，通过实验测试了UBS的动态承载能力，验证了所提模型的有效性。与以往超声结构承载性能分析方法相比，本文的动载荷稳定性分析更接近实际应用。本工作是超声切割理论的补充，有望促进机器人骨切割在外科手术中的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Stability analysis of ultrasonic bone cutting under dynamic loads

The ultrasonic bone scalpel (UBS) is widely used in surgical procedures due to its unique advantage of safety. A principal operational challenge is that the UBS lacks stability during the cutting process, often affecting the surgical quality. This paper proposes a novel cutting stability analysis method for the UBS and reveals its destabilization mechanism under dynamic load variations. We combine the control strategy of under the resonant frequency tracking (RFT) with the impedance characteristics of the UBS to construct a load stability model, which can solve the frequency response under dynamic load variations and predict the critical load for destabilization. In addition, the dynamic load carrying capacity of the UBS is tested experimentally to verify the validity of the proposed model. Compared to previous load carrying performance analysis methods for ultrasonic structures, the dynamic load stability analysis in this paper is closer to practical applications. This work complements the theory of ultrasonic cutting and is expected to promote the application of robotic bone cutting in surgery.

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.