Medical and dental diagnosis using millimeter-waves - D...

Medical and dental diagnosis using millimeter-waves

Medical and dental diagnosis using millimeter-waves

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Nikawa, Y.
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Volume 1, Issue , 4-7 Dec. 2005 Page(s): 4 pp. -
Digital Object Identifier 10.1109/APMC.2005.1606237
Summary: Human tissues are generally very lossy to millimeter-waves. To diagnose human health condition using millimeter-waves, measuring the reflection coefficient may be useful. In such the case, low loss part is applicable to obtain the information from deeper area of human body. Some parts of human body, which are relatively low loss for millimeter-waves, for example a fingertip with nail and a tooth, can be applied as a part for diagnosis. In this paper, a new technique is proposed to obtain blood sugar level by measuring reflection coefficient to be applied to these parts using millimetre-waves. In the measuring blood sugar level, the reflection change can be referred as the change of blood glucose level. Furthermore, in order to diagnose dental caries noninvasively, reflection coefficient in millimetre-waves is measured and compared to that of sound tooth. The reflection change from the tooth in time domain shows that the caries can be detected by millimetre-waves.

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