MAGNETIC STIMULATOR

WIPO Patent Application WO2004082759

A3

At least two coils (104, 106) deliver at least two time-varying magnetic fields (108, 110) to a target region within a body. The coils (104, 106) oriented such that the magnetic fields (108, 110) create intersecting electric fields (112, 114) in the target region. The magnetic fields (108, 110) operate at different frequencies and thus produce a beat frequency signal where the electric fields (120) intersect (116). The frequencies are chosen so a time-varying electric field (120), or a current induced by a time-varying magnetic field (108, 110), alternating at the beat frequency would stimulate excitable tissue located in the target tissue. Some embodiments utilize a novel coil (1202), which includes a first conductor (1206) and at least one second conductor (1212) electrically connected to the first conductor (1206) at a point (1210).

WO/1996/036278	AN ORTHOPEDIC DEVICE SUPPORTING TWO OR MORE TREATMENT SYSTEMS AND ASSOCIATED METHODS
WO/2007/079375	ACTIVE FIXATION CARDIAC VEIN MEDICAL LEAD
WO/2010/077621	METHOD FOR FITTING A COCHLEAR IMPLANT WITH PATIENT FEEDBACK

EISENBERG SOLOMON R (US)
MOCANU DANIEL (RO)

PCT/US2004/008007

November 25, 2004

March 16, 2004

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UNIV BOSTON (US)
EISENBERG SOLOMON R (US)
MOCANU DANIEL (RO)

A61N1/00; A61N1/40; A61N2/00; A61N2/02; A61N2/04; A61N; (IPC1-7): A61N1/00

US5738625A	1998-04-14
US6402678B1	2002-06-11
US5441495A	1995-08-15

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