Nerve condition monitoring system

Details Nerve condition monitoring system Nerve condition monitoring system

A - Human Necessities

61

B

A61B 5/05 (2006.01)

Patent

CA 2109519

2109519 9219156 PCTABS00017 A portable system for substantially automated monitoring of nerve conduction velocity through the carpal tunnel of a patient includes an electrode supporting structure (10) which supports stimulating (44) and pickup (40) electrodes in a predetermined spatial relationship so as to contact the patient's arm and hand. The electrode supporting structure (10) is a part of a housing which contains stimulating signal generating (42) and response signal processing (28) circuitry, which operates substantially automatically under control of a microprocessor (30). The microprocessor controls generation of stimulating pulses and determines the elapsed time until the occurrence of a predetermined response signal characteristic, such as its peak. Data relating to nerve conduction time or velocity measurements and response signal waveform are stored in a removable memory (34) to permit later analysis and treatment recommendation by a physician. The system is useful for screening large groups of people at remote locations, such as workers at an employer's facilities, for evaluating their median nerve condition and likelyhood of developping carpal tunnel syndrome.

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