基于PWM的新型理疗仪设计
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摘要
利用STM32作为主控芯片,设计1种新型中频电脉冲理疗仪,通过微秒级定时器设置实现高精度脉宽调制(PWM)功能,经过信号调理、功率放大以及输出控制得到所需要的治疗波形。实验结果表明,理疗仪工作稳定可靠,理疗强度可调幅度大,输出波形光滑、无毛刺、病人使用过程中无明显刺痛感。
TM32 as the main chip,we design a novel electrical pulse physiotherapy instrument which realize pulse width modulation(PWM) by timer setting,then get the needed treatment waveform after signal conditioning,power amplifier,and output control.The experimental results show that,physiotherapy instrument is stable and reliable,physical strength large adjustable range,which can be suitable for the vast majority of the crowd;and the output waveform is smooth,without burr,there were no obvious pain,obvious physical therapy effect.
TM32 as the main chip,we design a novel electrical pulse physiotherapy instrument which realize pulse width modulation(PWM) by timer setting,then get the needed treatment waveform after signal conditioning,power amplifier,and output control.The experimental results show that,physiotherapy instrument is stable and reliable,physical strength large adjustable range,which can be suitable for the vast majority of the crowd;and the output waveform is smooth,without burr,there were no obvious pain,obvious physical therapy effect.
引文
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[10]沙宪政,霍纪文.新一代低频电治疗仪的研制[J].医疗设备信息,2003,18(2):7-9.
[2]燕铁斌,程曙光.基于行走模式的低频脉冲电刺激瘫痪治疗仪[J].中国医疗器械信息,2010,16(2):1-4.
[3]徐秀林,周岳平,郭旭东,等.基于脑血管病患者功能性电刺激治疗仪的设计[J].计算机测量与控制,2010,18(2):482-484.
[4]王显安,陆尧胜,沈以鸿.一种新型低频脉冲治疗仪的研制[J].医疗卫生装备,2005,26(12):13-15.
[5]宋亚光,毕晓旭,舒泰茵,等.新型电刺激治疗仪中反馈功能的实现[J].电子测量技术,2010,3(7):43-45.
[6]刘付强.电脉冲治疗仪电路分析设计[J].太原师范学院学报:自然科学版,2008,7(3):93-95.
[7]黄文州.毫米波用于免疫治疗[J].电子测量与仪器学报,2008,22(3):114-116.
[8]林书玉,杨月花.医学超声治疗技术研究及其应用[J].陕西师范大学学报(自然科学版),2004,32(2):117-122.
[9]范能胜.便携式尿失禁电刺激治疗仪的研制[J].现代医学仪器与应用,2007,19(2):69-71.
[10]沙宪政,霍纪文.新一代低频电治疗仪的研制[J].医疗设备信息,2003,18(2):7-9.