Non-invasive hyperthermia apparatus including coaxial applicator

Details Non-invasive hyperthermia apparatus including coaxial applicator Non-invasive hyperthermia apparatus including coaxial applicator

1994-09-16

1996-08-27

Sykes, Angela D.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

607102, 607154, A61N 502

Patent

active

055496393

ABSTRACT:
A coaxial hyperthermia applicator for applying non-invasively electromagnetic energy to a body against which it is placed. The coaxial applicator antenna has formed integrally within it a non-invasive radiometric antenna for receiving thermoelectromagnetic emissions. The coaxial-configured applicator produces a bell-shaped radiation pattern symmetric about the axis of symmetry of the coaxial applicator. Integrating the radiometric antenna within the coaxial applicator produces a single device that performs dual functions. The first function is to transmit non-invasively energy for heating a subcutaneous tumor. The second function is to receive non-invasively thermal electromagnetic radiation from the tumor by which temperature is sensed and fed back to control the output of the coaxial applicator.

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Ross, M. P. and Williams, J. T., "A Novel Dual-Function Microwave Hyperthermic/Radiometric Antenna," Proceedings-Microwave and Medicine Conference, Rome, Italy, 4 pp. Oct., 1993.

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