Portable functional electrical stimulation (FES) system for upper or lower extremity applications
First Claim
1. A method of generating stimulation patterns for execution by a functional electrical stimulator system comprises the steps of:
- characterizing electrode responses for electrodes used by the functional electrical stimulator;
forming a plurality of primitive movement patterns by electrically stimulating selected electrodes carried by a subject patient;
combining from the plurality of primitive movements selected primitive movements to produce interval patterns; and
forming a plurality of primitive movement patterns by electrically stimulating selected electrodes carried by a subject patient;
combining from the plurality of primitive movements selected primitive movements to produce interval patterns; and
combining at least two of said interval patterns to form a complex movement.
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Abstract
A functional electrical stimulation system for generating a data file storing stimulation patterns that can be provided to a stimulator is described. The system includes a host computer system for producing a data structure or data file that describes the patterns and a portable stimulator that using the data structure or data file applies electrical pulses to electrodes carried by a patient. The host computer system and the stimulator system each have a memory storing a table having control and pattern generation information with indexes into a table that separately stores electrode characterization data for each electrode used by the portable stimulator.
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Citations
14 Claims
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1. A method of generating stimulation patterns for execution by a functional electrical stimulator system comprises the steps of:
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characterizing electrode responses for electrodes used by the functional electrical stimulator; forming a plurality of primitive movement patterns by electrically stimulating selected electrodes carried by a subject patient; combining from the plurality of primitive movements selected primitive movements to produce interval patterns; and forming a plurality of primitive movement patterns by electrically stimulating selected electrodes carried by a subject patient; combining from the plurality of primitive movements selected primitive movements to produce interval patterns; and combining at least two of said interval patterns to form a complex movement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A portable stimulator for applying electrical pulses to electrodes carried by a patient, comprises:
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a processor executing a program that provides electrical signals for the electrodes; a memory storing said program; a memory storing a stimulation pattern file, said stimulation pattern file comprising; a data structure storing; control and pattern generation information; and electrode characterization data for each electrode used by the portable stimulator; a circuit responsive to signals from the processor to generate electrical stimulation pulses. - View Dependent Claims (11, 12, 13, 14)
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Specification