A HUMAN NECESSITIES
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A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61N ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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A61N1/00 Electrotherapy; Circuits therefor
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A61N1/18 Applying electric currents by contact electrodes
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A61N1/32 alternating or intermittent currents
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A61N1/36 for stimulation
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A61N1/3605 Implantable neurostimulators for stimulating central or peripheral nerve system
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A61N1/36128 Control systems
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A61N1/36146 specified by the stimulation parameters
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A61N1/36167 Timing, e.g. stimulation onset
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A61N1/36171 Frequency
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