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Title:Feedback Control of Phased Array Electromagnetic Hyperthermia Using MRI Temperature Mapping
Author(s):Behnia, Babak
Doctoral Committee Chair(s):Andrew G. Webb
Department / Program:Electrical and Computer Engineering
Discipline:Electrical and Computer Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Health Sciences, Radiology
Abstract:This work focuses on closed loop control of microwave hyperthermia using noninvasive MRI thermometry. The following developments are reported here: (1) An integrated MR-microwave hyperthermia system intended for small animal studies was designed and built. (2) A new technique is presented that allows noninvasive mapping of the relative phase patterns of the microwave fields inside a phantom. (3) An MRI-based technique is presented for closed loop spatial steering of the hot spot in a phased array system. (4) Noninvasive techniques are demonstrated that allow focusing of small-wavelength microwave fields into a heterogeneous medium. Temporal and spatial control of microwave heating are demonstrated that represent typical clinical applications.
Issue Date:2002
Description:154 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2002.
Other Identifier(s):(MiAaPQ)AAI3044047
Date Available in IDEALS:2015-09-25
Date Deposited:2002

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