超声汽化蒸汽驱动的排尿助力系统建模及仿真

系统仿真学报 ›› 2015, Vol. 27 ›› Issue (2): 389-395.

超声汽化蒸汽驱动的排尿助力系统建模及仿真

李笑¹, 周怀洲¹, 石志超¹, 关婷², 肖远松²

1.广东工业大学机电工程学院, 广州 510006;
2.广州军区广州总医院, 广州 510010

收稿日期:2014-07-11 修回日期:2014-10-21 发布日期:2020-09-02
作者简介:李笑(1962-),男,辽宁阜新人,博士,教授,研究方向为机电液智能控制与应用、生物医学器械研究等。
基金资助:
国家自然科学基金资助项目(51175089); 广东省自然科学基金资助项目(S2013010014018)

Modeling and Simulation of Urination Assist System Driven by Ultrasonic-vaporized Steam

Li Xiao¹, Zhou Huaizhou¹, Shi Zhichao¹, Guan Ting², Xiao Yuansong²

1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;
2. Guangzhou General Hospital of Guangzhou Military Command, Guangzhou 510010, China

Received:2014-07-11 Revised:2014-10-21 Published:2020-09-02

摘要/Abstract

摘要： 针对神经源性膀胱的辅助排尿问题,提出一种超声汽化蒸汽驱动的排尿助力系统。运用超声学、热力学和流体力学理论,建立了体外超声波控制量与膀胱尿流率的多场耦合关系数学模型,仿真分析了各控制量对尿流率特性的影响规律。结果表明,尿流率主要与超声波的声强、频率、辐射面积和时间以及系统结构和工质特性参数有关;在超声理疗剂量范围内,增大声强、辐射面积和时间以及减小频率,均可提高尿流率;最大尿流率接近正常人体尿动力学参数。所建立的数学模型有效实用,可为排尿助力系统的特性分析和结构设计提供理论指导。

关键词: 排尿助力系统, 超声波, 蒸汽, 驱动, 数学模型, 尿流率

Abstract: Aiming at the problem of assisting the neurogenic bladder micturating, a novel urination assist system driven by ultrasonic-vaporized steam was proposed. The mathematical model of the multi-field coupling relation between the external ultrasonic controlling parameters and the urine flow rate of urinary bladder was built using ultrasonics, thermodynamics and fluid mechanics theories. The simulation analysis of the influence of the controlling parameters on the urine flow rate performance of the system was conducted. The results show that the urine flow rate are mainly affected by the ultrasonic sound intensity, frequency, radiation area and time, as well as the system structure and working medium parameters; the urine flow rate can be improved by increasing ultrasonic sound intensity, radiation area and time and decreasing frequency in physical therapy dose range; the maximum urine flow rate is approaching the normal human urodynamic parameters. The established mathematic models are simple and practicable, which provide the theoretical guidance for the performance analysis and structure design of the urination assist system.

Key words: urination assist system, ultrasonic, steam, drive, mathematical model, urine flow rate

中图分类号:

TH137
R318.6

李笑, 周怀洲, 石志超, 关婷, 肖远松. 超声汽化蒸汽驱动的排尿助力系统建模及仿真[J]. 系统仿真学报, 2015, 27(2): 389-395.

Li Xiao, Zhou Huaizhou, Shi Zhichao, Guan Ting, Xiao Yuansong. Modeling and Simulation of Urination Assist System Driven by Ultrasonic-vaporized Steam[J]. Journal of System Simulation, 2015, 27(2): 389-395.

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