| 放射式冲击波在软组织中传播特性的有限元分析 |
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| 引用本文： | 赵彻,刘慧力,王照智,冯春. 放射式冲击波在软组织中传播特性的有限元分析[J]. 科学技术与工程, 2021, 21(20): 8376-8382. DOI: 10.3969/j.issn.1671-1815.2021.20.012 |
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| 作者姓名： | 赵彻 刘慧力 王照智 冯春 |
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| 作者单位： | 常州工学院航空与机械工程学院,常州213032;吉林大学工程仿生教育部重点实验室,长春130025;沈阳工业大学机械工程学院,沈阳110870 |
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| 摘 要： | 为了解决放射式冲击波在人体软组织中的传播特性难以量化分析的问题,应用有限元法建立了包含皮肤、脂肪,肌肉和骨骼的数值计算模型,并根据放射式冲击波治疗仪的基本原理对其进行仿真分析.结果 表明:放射式冲击波在软组织中产生的最大压强在10 MPa以内,波长为18 mm,传播速度为1500 m/s,由于皮肤、脂肪和肌肉组织的阻抗效应,其压强和能流密度随传播深度的增加而逐渐降低,在治疗探头与皮肤的接触界面涂抹耦合剂并提高驱动气压,将有助于治疗更深层次的软组织损伤.相关信息将为治疗方案的优化和新型治疗仪的研发提供重要参考.
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| 关 键 词： | 冲击波 软组织 有限元 能流密度 阻抗效应 |
| 收稿时间： | 2020-12-18 |
| 修稿时间： | 2021-07-07 |
Finite Element Analysis of Propagation Characteristics of Radial Shock Wave in Soft Tissue |
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| Zhao Che,Liu Huili,Wang Zhaozhi,Feng Chun. Finite Element Analysis of Propagation Characteristics of Radial Shock Wave in Soft Tissue[J]. Science Technology and Engineering, 2021, 21(20): 8376-8382. DOI: 10.3969/j.issn.1671-1815.2021.20.012 |
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| Authors: | Zhao Che Liu Huili Wang Zhaozhi Feng Chun |
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| Affiliation: | School of Aviation and Mechanical Engineering,Changzhou Institute of Technology,,School of and Mechanical Engineering,Shenyang University of Technology,School of Aviation and Mechanical Engineering,Changzhou Institute of Technology |
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| Abstract: | It is difficult to quantitatively analyze the propagation characteristics of the radial shock wave in human soft tissues. To solve this problem, a numerical calculation model including skin, fat, muscle and bone was established using the finite element method, and the simulation analysis was carried out according to the basic principle of radial shock wave therapeutic apparatus. The results show that the maximum pressure of radial shock wave produced in soft tissues is within 10 MPa, with a wavelength of 18 mm and a propagation velocity of 1,500 m/s. The pressure and energy flux density decrease gradually with the increase in propagation depth due to the impedance effect of skin, fat and muscle. The?treatment of deeper soft-tissue injury is benefited by applying coupling on the interface between the therapeutic probe and skin and increasing driving pressure. The relevant information provide an important reference for the optimization of the therapeutic regime and the development of novel therapeutic apparatus. |
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| Keywords: | shock wave soft tissue finite element energy flux density impedance effect |
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