动物佩带式微型方波电刺激器的研制和特性  

Development and Characteristic of an Animal-Wearing Micro Square Wave Pulse Stimulator

作　　者：朱雅颖[1] 王正敏[1] 沈义虎[1] 

机构地区：[1]复旦大学附属眼耳鼻喉科医院耳鼻喉科,上海200031

出　　处：《中国眼耳鼻喉科杂志》2005年第4期211-213,共3页Chinese Journal of Ophthalmology and Otorhinolaryngology

基　　金：复旦大学青年科学基金资助(EXF000314)

摘　　要：目的介绍动物佩带式微型方波电刺激器的技术参数和特性,为耳蜗植入的实验研究提供模拟装置。方法通过编程器、波形变换器和恒流输出电路产生标准脉冲。结果输出电流强度、脉冲宽度和频率可调的电荷平衡双相方波脉冲电流,正负脉冲间设置间隔,含50%开关工作周期。结论动物佩带式微型方波电刺激器具有体积小、功耗低、参数可调范围大、性能稳定可靠的特点,为耳蜗植入的动物实验提供了一个实用的刺激设备。Purpose To introduce the technical parameters and characteristic of an animal-wearing micro square wave pulse stimulator,which was developed as an analogical equipment for the research of cochlear implants.Methods Programming unit,waveshape converter and constant current output circuit were designed to generate the standard current pulses.Results The device can output charge-balanced biphasic square wave current pulses,which current intensity,pulse width and frequency are changeable.There are interphase gap and 50% on-off duty cycle in the pulse train.Conclusion The animal-wearing micro square wave pulse stimulator is a device with small shape,low power consumption,well changeable parameters and reliable functions.It can be used as an effective stimulator for the animal experiments of cochlear implants.

关 键 词：电刺激器 微型 佩带 研制 耳蜗植入 技术参数 模拟装置 实验研究 输出电路 电流强度 脉冲电流 电荷平衡 脉冲宽度 动物实验 编程器 变换器 

分 类 号：TH785[机械工程—仪器科学与技术] R764[机械工程—精密仪器及机械]