基于单片机的耳聋耳鸣康复仪的研究  

Research of deafness tinnitus rehabilitation instrument based on single chip microcomputer

作　　者：徐秋娜 王佳丽[1] 陈付毅[1] 林晓蕾[1] 王琳斌 顾晓雯[1] 张健[1] 

机构地区：[1]温州医科大学生物医学工程系,浙江温州325035

出　　处：《微型机与应用》2015年第16期77-79,共3页Microcomputer & Its Applications

基　　金：浙江省大学生科技创新活动计划(新苗人才计划)(2014R413006)

摘　　要：研究旨在设计一款实用便携、应用范围广的耳聋耳鸣康复仪,在功能上增加了单片机控制治疗强度,帮助患者恢复听力,重获健康。根据穴位的电阻抗特异性,设计阈值可调的探穴电路;设计波形发生器产生波形驱动耳机发声,实现频率、分贝连续可调的纯音刺激源,液晶实时显示并记录患者听阈值;采用白噪声治疗,通过三极管基极-集电极齐纳击穿产生白噪声,强度可调节;设计生物脉冲产生电路,经过倍压电路升压,瞬间放电会有类似针灸的感觉,作用于人体穴位用于治疗;液晶显示治疗强度,按键控制电路输出强度。经过大量实验,结果表明,探穴准确率高达95%;纯音刺激源频率和分贝满足听阈值检测的要求,频率为20 Hz^20 k Hz,分贝为0~90 d B;生物脉冲刺激强度不超过人体安全电流、安全电压。本项目研究的耳聋耳鸣康复仪操作简单、实用、便携,符合当代耳聋耳鸣康复仪发展趋势,为进一步实现耳聋耳鸣患者有效的康复治疗提供了良好的帮助。It aims to design a kind of deafness and tinnitus rehabilitation instrument which is practical portable and widely applicated. In the treatment,single-chip has been added to control and help patients restore hearing and regain health. According to the electrical impedance specific of points, we design cave exploration circuit with adjustable threshold. Design waveform generator waveform to drive the headphone sound, to achieve frequency, continuously adjustable dB pure tone stimuli, LCD real-time display and record the hearing thresholds of patients. Take use of white noise to therapy, through transistor base-collector zener produce white noise, the intensity can be adjusted. Design biological pulse generating circuit, and after doubler circuit boosting spark will be similar to the feeling of acupuncture, acupuncture points on the human body for the treatment. Treatment intensity is displayed on LCD, and buttons control circuit output intensity. After a lot of experiments, the accuracy rate of Probe Points is up to 95%. Pure tone stimulus frequency and decibel satisfy the requirements of hearing threshold detection, the frequency is 20 Hz-20 kHz, dB 0~90 dB. Biological pulse stimulation intensity does not exceed the eleccurc current of human security and safe voltage. It is practical and portable, and it is easy to operate. It is in line with contemporary trends of deafness and tinnitus rehabilitation instrument. Also it provides a good help to achieve effective rehabilitation of patients with tinnitus and deafness.

关 键 词：耳聋耳鸣 探穴 白噪声 生物脉冲 治疗 

分 类 号：R764.5[医药卫生—耳鼻咽喉科]