Surgery – Magnetic field applied to body for therapy
Patent
1991-06-24
1993-12-07
Cohen, Lee S.
Surgery
Magnetic field applied to body for therapy
A61B 1752
Patent
active
052679381
ABSTRACT:
A magnetic stimulator device for inducing electrical pulses in human or animal nerve tissue. A high power electrical current source provides specially defined current pulses to a magnetic coil which produces non-uniform magnetic fields which are concentrated at a location near one position on the coil and reduced at locations near other positions on the coil. In a preferred embodiment of the present invention a variable resistance switch is used to control the shape of the induced pulses.
REFERENCES:
patent: 4994015 (1991-02-01), Cadwell
patent: 5061234 (1991-10-01), Chaney
patent: 5066272 (1991-11-01), Eaton et al.
Cohen Lee S.
Lacyk John P.
Ross John R.
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