Diathermy Heat Applicator Array with Cancellation of Extraneous Incidental Radiation

摘要

The present invention pertains to the field of medical diathermy and addresses issues of incidental undesired radiation in the prior art. The invention uses a multitude of pairs of intentional radiators with each pair driven with an identical but out-of-phase signal. The pairs or radiators are spaced near the target tissue in close proximity to the target but sufficiently distant from each other so as not to cancel the nearby tissue heating effects. Local heating of tissue is achieved by the high electric and magnetic field intensities coupling and inducing electric currents in conductive tissue.

主权项

1. A diathermy applicator for treatment, in a treatment area, of a patient's designated target tissue comprising at least one pair of radiators connected to driving currents, wherein;
said driving currents are substantially identical except for a phase separation of degree sufficient to diminish harmful radiation reaching persons or apparatus housed in said treatment area said at least one pair is spaced near the target tissue in close proximity to the target sufficiently distant from each other as to not cancel the nearby tissue heating effects.