Device for tissue stimulation
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United States of America Patent
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Feb 21, 1995
Grant Date -
N/A
app pub date -
Aug 26, 1992
filing date -
Apr 24, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In a device for tissue stimulation, the stimulation energy is matched to the stimulation sensitivity of the tissue by altering the stimulation energy in steps upwardly until a tissue reaction is detected, or in steps downwardly until a tissue reaction fails to occur. In order to obtain a safety factor which is expressible in volts with the lowest possible current consumption, stimulation pulses are generated in the determination of the stimulation sensitivity having an amplitude at a voltage which is below the available voltage of a voltage source by a voltage value which corresponds to the safety factor, and the pulse duration is altered in the aforementioned steps. Stimulation subsequently takes place using the pulse duration found in this manner and at a pulse amplitude corresponding to the available voltage.
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