Device for applying a high frequency electromagnetic field to li

Details Device for applying a high frequency electromagnetic field to li Device for applying a high frequency electromagnetic field to li

1982-09-24

1984-09-18

Kamm, William E.

Surgery

Body protecting or restraining devices for patients or infants

Restrainers and immobilizers

A61N 140

Patent

active

044717873

ABSTRACT:
A portable therapy device for attachment to a patient to promote tissue healing by exposure to an r.f. field, comprises an oscillator (5) which energizes an antenna having a transmitting element (1) the natural directive pattern of which is modified by a reflector (8) and a parasitic element (10) such that a major part of the r.f. field emitted by the antenna passes to the patient. In another embodiment the antenna is configured to produce a spatially substantially uniform field strength over the area of the patient being treated. The device subjects the tissue to r.f. power levels which produce no significant tissue heating.

REFERENCES:
patent: 2220269 (1940-11-01), Patzold
patent: 2249936 (1941-07-01), Birtcher
patent: 2656839 (1953-10-01), Howard
patent: 3077195 (1963-02-01), Folsche

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