Patent ID: 6865409
Filing Date: 2005-03-08
Classification: A61N,Y10S

Abstract:
1. A flexible, surface electromyographic electrode apparatus for use on a surface of biological tissue to measure bio-electric signals thereof, said electrode apparatus comprising: a first conductive electrode device having a contact portion adapted to directly contact the surface of the biological tissue to receive and transmit bio-electric signals, and a signal transmission portion carrying the bio-electric signal and electrically coupled to the contact portion; a first conductive guard device positioned substantially adjacent to and substantially over said electrode device such that the measured bio-electric signal passing therethrough is substantially shielded from ambient electric fields generated from sources external to said electrode apparatus; a substantially non-conductive, flexible, first sheet material positioned between said electrode device and said guard device to substantially prevent conductive contact therebetween; a substantially non-conductive, flexible, second sheet material positioned between said contact portion and said signal transmission portion to substantially prevent conductive contact therebetween; and a conductive lead extending through said second sheet material to electrically couple the contact portion to the signal transmission portion.