NDLI: A fully implantable stimulator with wireless power and data transmission for experimental use in epidural spinal cord stimulation

Content Provider	IEEE Xplore Digital Library
Author	Qi Xu Jun Li Wenjuan Han Houlun Zhou
Copyright Year	2011
Description	Author affiliation: Department of Anatomy, Tongji medical college, Huazhong University of Science & Technology, Wuhan, P.R. China (Houlun Zhou) \|\| Key Laboratory of Image Processing and Intelligent Control, Department of Control Science & Engineering, Huazhong University of Science & Technology, Wuhan, P.R. China (Qi Xu; Jun Li; Wenjuan Han)
Abstract	Epidural spinal cord stimulation (ESCS) combined with partial weight bearing therapy (PWBT) has been reported to facilitate recovery of functional walking for individuals after chronic incomplete spinal cord injury. This paper describes a low cost, fully implantable, advanced ESCS stimulator that can be manufactured in a research laboratory for use in small animals. The system is composed of four main parts: an external personal digital assistant (PDA), an external controller, an implantable pulse generator (IPG), lead extension and electrode. The PDA allows the experimenter to program the stimulation parameters through a user-friendly graphical interface. The external controller placed on the rat back communicates with PDA via RF telemetry. The IPG generates the biphasic charge-balanced voltage-regulated pulses, which are delivered to the bipolar electrode by the lead extension to achieve chronic ESCS in freely moving rats. A RF carrier from the Class-E amplifier in the external controller provides both data and power for the implanted circuitry through a closely coupled inductive link. The IPG is hermetically packaged using a silicon elastomer and measures 22mm×23mm×7mm with a mass of ∼3.78g.
Starting Page	7230
Ending Page	7233
File Size	590101
Page Count	4
File Format	PDF
ISBN	9781424441211
ISSN	1557170X
e-ISBN	9781457715891
e-ISBN	9781424441228
DOI	10.1109/IEMBS.2011.6091827
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Rats Personal digital assistants Coils Radio frequency Laboratories Electrical stimulation rat Class-E amplifier epidural spinal cord stimulation incomplete spinal cord injury inductive link
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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