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SYSTÈME D'AIMANT ANNULAIRE IMPLANTABLE SANS DANGER POUR L'IRM ET À FORCE OPTIMISÉE AVEC LIAISON INDUCTIVE AMÉLIORÉE
SYSTÈME D'AIMANT ANNULAIRE IMPLANTABLE SANS DANGER POUR L'IRM ET À FORCE OPTIMISÉE AVEC LIAISON INDUCTIVE AMÉLIORÉE
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摘要
A magnetic system for a medical implant system is described. A planar implant receiver coil is configured to lie underneath and parallel to overlying skin of an implanted patient for transcutaneous communication of an implant communications signal. A planar ring-shaped attachment magnet also is configured to lie underneath and parallel to the overlying skin and radially surrounds the receiver coil. The attachment magnet is characterized by a magnetic field configured to avoid creating torque on the attachment magnet in the presence of an external magnetic field.
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