Artifact-free sensory nerve signals obtained from cuff electrodes during functional electrical stimulation of nearby muscles

被引：31

作者：

Haugland, Morten K. ^{[1
]}

Hoffer, J.Andy ^{[1
]}

机构：

[1] Aalborg Univ, Aalborg, Denmark

来源：

IEEE Transactions on Rehabilitation Engineering | 1994年 / 2卷 / 01期

关键词：

Control systems - Electrodes - Muscle - Neuromuscular rehabilitation - Skin;

D O I：

10.1109/86.296344

中图分类号：

学科分类号：

摘要：

Restoration of the voluntary use of paralyzed limbs using functional neuromuscular stimulation (FNS) is limited by complex muscle properties and unpredictable load behaviors; closed-loop control of FNS would improve performance but requires reliable sensory feedback modalities. Sensory nerve signals recorded by cuff electrodes provide accurate information about forces acting on the skin in anesthetized animals [5]; however, nerve cuff signals are very small (approximately 10 μV), and during FNS they become contaminated with large stimulation artifacts and synchronous EMG potentials from nearby muscles. We show in this study that it is possible to record neural signals from the cat tibial nerve without interference from distributed stimulation of four calf muscles surrounding the recording electrode by use of high-pass filtering and synchronized bin-integration.

引用

页码：37 / 40