Winter K F, Hartmann R, Klinke R
Physiologisches Institut III, J.W. Goethe-Universität, Frankfurt/M, Germany.
J Neurosci Methods. 1998 Jan 31;79(1):79-85. doi: 10.1016/s0165-0270(97)00160-x.
Functional electrical stimulation in alert experimental animals is often hampered, as free mobility of the animals is limited by the leads. On the other hand, portable devices carrying the power supply are not always accepted by the animal. For wireless transmission of power and stimulus code a system designed for implantation is described below. The power for the implant is supplied inductively by a rotating magnetic field. The stimulation signal is radio-transmitted by FM in the 140 MHz range and processed by the implant. Finally, a current source is driven for electrical stimulation. The present design is intended to be used for electrical cochlear stimulation. However, the circuit can also be used for other types of functional electrical stimulation.
在清醒的实验动物中进行功能性电刺激常常受到阻碍，因为动物的自由活动受到导线的限制。另一方面，携带电源的便携式设备并不总是能被动物所接受。为实现电力和刺激代码的无线传输，下文描述了一种专为植入设计的系统。植入物的电力由旋转磁场以感应方式提供。刺激信号通过调频在140兆赫频段进行无线电传输，并由植入物进行处理。最后，驱动电流源进行电刺激。目前的设计旨在用于人工耳蜗刺激。然而，该电路也可用于其他类型的功能性电刺激。
