Physiologically based adjustment of stimulation parameters to an implantable electronic stimulator to reduce data transmission rate
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United States of America Patent
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-
Feb 18, 2003
Grant Date -
Nov 1, 2001
app pub date -
Mar 19, 2001
filing date -
Apr 27, 2000
priority date (Note) -
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Abstract
A Functional Electro Stimulation (FES) system provides physiologically based adjustment of stimulation parameters to achieve a high update rate for nerve and muscle stimulation at a reduced data transmission rate. FES systems generate electrical signals to stimulate nerves and muscles to provide movement for paraplegics and quadriplegics. Known FES systems comprise a multiplicity of microstimulators that are controlled by a single master controller. Control signals are transmitted over an RF link. A complete set of stimulation parameters comprising pulse amplitude, pulse width, and pulse frequency is initially transmitted to set initial stimulation parameters. Subsequent functional control of muscles is achieved by transmitting an increment to a single stimulation parameter. In a preferred embodiment the physiological behavior of the human body is copied by incrementing the pulse rate.
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