CST – Computer Simulation Technology

Compact Patch Antenna for Electromagnetic Interaction With Human Tissue at 434 MHz

Title:
Compact Patch Antenna for Electromagnetic Interaction With Human Tissue at 434 MHz
Author(s):
Sergio Curto, Patrick McEvoy, Xiulong Bao, Max J. Ammann
Source:
IEEE Transactions on Antennas and Propagation
Vol./Issue/Date:
Volume: 57, Issue: 9, Sept. 2009
Year:
2009
Page(s):
2564 - 2571
Keywords:
Human tissue, Hyperthermia applicator, specific absorption rate (SAR)
Abstract:
Single element loop, dipole and conventional square patch antennas have been used as hyperthermia applicators in the treatment of cancerous human cells at superficial depths inside the body. A smaller novel patch antenna in very close proximity to a phantom tissue model produces an enhanced specific absorption rate pattern without significant frequency detuning or impedance mismatch. The new patch increases its coupling aperture by supporting a combination of resonances that are also typical for loop, dipole and square patch antennas. For computation efficiency and clarity in the synthesized hyperthermia treatment conditions, simplified planar tri-layered tissue models interfaced with a waterbolus are used to study the permittivity loading on the antennas and the resultant specific absorption rates
Document:

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