use optical measurement of subcutaneous abnormal tissue of portable non-invasive system design...

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Use Optical Measurement of Subcutaneous Abnormal Tissue of Portable Non-invasive System Design

Presenter: Bing-Soug HoAdviser: Jenq-Ruey Horng

Chairman : Hung-Chi Yang

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OUTLINEINTRODUCTIONMATERIALS AND METHODSRESULTFUTURE WORKREFERENCE

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INTRODUCTION

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圖3.99年及100年主要死因死亡人數

42,559

16,513

10,8239,081 9,047

6,726 5,984 5,153 4,631 4,368 3,507

41,046

15,675

10,134 8,211 8,909 6,669 5,197 4,912 4,174 4,105 3,8890

15,000

30,000

45,000

人

100年 99年

1,513

INTRODUCTION

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INTRODUCTIONHospital have examination:

◦Tissue sections

◦X-ray

◦MRI

◦CT

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Non-invasive design:

◦Body’s HB and HBo2 of light absorption

◦Hypodermal 2-3cm

◦Fast measurement

◦Cost down

◦Small and portable

INTRODUCTION

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MATERIALS AND METHODS

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MATERIALS AND METHODS

660 940

Fig.1 Infrared absorption spectrumNIR:近紅外線 (700nm~ 2,000nm)Infrared absorption spectrum:紅外線吸收光譜

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MATERIALS AND METHODS

Fig.2 diffraction & scattering

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MATERIALS AND METHODS

Fig.3 System architecture

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LED660nm(Red) and LED940nm(white):

MATERIALS AND METHODS

1.7cm

LED660nm

LED940nm

Detector

Fig.4

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RESULT

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New Entity

RESULT

Fig.6Fig.5

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Measurement Entity

RESULT

Fig.7

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FUTURE WORKCollect more Phantom data

Indicate tumor direction

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REFERENCE

[1]. Department of Health, Executive Yuan, R.O.C.(TAIWAN) [2]. Zhao, Zhongyao, et al. "Handheld tumor scanner for breast cancer

detection." (2006). [3]. http://www.bli.uci.edu/ntroi/pubs/pdf/si_recipe.pdf [4]. Lelia Adelina Paunescu ” TISSUE BLOOD FLOW AND

OXYGEN CONSUMPTION MEASURED WITH NEAR-INFRARED FREQUENCY-DOMAIN SPECTROSCOPY” Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Biophysics and Computational Biology in the Graduate College of the University of Illinois at Urbana-Champaign, 2001