Electromagnetic medical applicators
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United States of America Patent
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May 20, 1986
Grant Date -
N/A
app pub date -
Feb 3, 1984
filing date -
Feb 4, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic medical applicator for heating tissue comprises a patch resonator (1) on a substrate (4) of dielectric material backed by a ground-plane (3), and having a layer (7) of dielectric material overlying the resonator inter alia to effect impedance-matching to tissue, in which the substrate includes a volume of magnetic material (5) adjacent the maximum-current region of the resonator in order to reduce the length of the resonator at its resonant frequency.
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