Radiation applicator

Details Radiation applicator Radiation applicator

2011-06-07

2011-06-07

Farah, Ahmed M (Department: 3769)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

C606S033000

Reexamination Certificate

active

07955368

ABSTRACT:
This invention provides an elongate microwave radiator for insertion into a living body to treat tissue at a predetermined operating frequency. The radiator defines a monopole antenna at its tip. The monopole antenna includes a dielectric material surrounding the monopole. The dielectric material is configured to act as a resonator at the predetermined operating frequency, and encompasses generally the whole of a near-field radiation emitted by the monopole. In an illustrative embodiment, the dielectric material extends from the antenna a distance determined in accordance with the wavelength of the radiation in the dielectric.

REFERENCES:
patent: 5471222 (1995-11-01), Du
patent: 6047216 (2000-04-01), Carl et al.
patent: WO 93/20768 (1993-10-01), None
patent: WO 99/56643 (1999-11-01), None

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