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Technical Brief

Design and Fabrication of Prostrate Ring-Scanning Equipment for Near Infrared Diffuse Optical Imaging1

[+] Author and Article Information
Jhao-Ming Yu

Department of Mechanical Engineering,
National Central University,
Jhongli 320, Taiwan

Min-Cheng Pan

Department of Electronic Engineering,
Tung-Nan University,
New Taipei City 222, Taiwan

Ya-Fen Hsu

Department of Surgery,
Landseed Hospital,
Pingjen 324, Taiwan

Liang-Yu Chen

Graduate Institute of Biomedical Engineering,
National Central University,
Jhongli 320, Taiwan

Min-Chun Pan

Department of Mechanical Engineering,
National Central University,
Jhongli 320, Taiwan and
Graduate Institute of Biomedical Engineering,
National Central University,
Jhongli 320, Taiwan
e-mail: pan_minc@cc.ncu.edu.tw

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.DOI: 10.1115/1.4027110

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030942 (Jul 21, 2014) (2 pages) Paper No: MED-14-1116; doi: 10.1115/1.4027110 History: Received February 21, 2014; Revised March 03, 2014

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Figures

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Fig. 1

Illustration of prostrate NIR DOI system

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Fig. 2

Schematic of optical channel bracket

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Fig. 3

Schematic of a single optical channel set

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Fig. 4

Schematic of the radial-movement mechanism for optical source-and-detector channels

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Fig. 5

Illustration of the circular-movement mechanism for optical source-and-detector channels

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Fig. 7

(a) Synthesized phantom with an inclusion added, and reconstructed μa and μs images of synthesized cases for a comparison between fixed-channel ((b) 18 and (d) 36 optical channels) and the proposed 2Z3S designs ((c) 18 and (e) 36 optical channels)

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Fig. 6

Demonstration of prototype instrument (upper) initial state, and (lower) measuring state

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