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Proceedings Paper

Illumination-parameter adjustable and illumination-distribution visible LED helmet for low-level light therapy on brain injury
Author(s): Pengbo Wang; Yuan Gao; Xiao Chen; Ting Li
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Paper Abstract

Low-level light therapy (LLLT) has been clinically applied. Recently, more and more cases are reported with positive therapeutic effect by using transcranial light emitting diodes (LEDs) illumination. Here, we developed a LLLT helmet for treating brain injuries based on LED arrays. We designed the LED arrays in circle shape and assembled them in multilayered 3D printed helmet with water-cooling module. The LED arrays can be adjust to touch the head of subjects. A control circuit was developed to drive and control the illumination of the LLLT helmet. The software portion provides the control of on and off of each LED arrays, the setup of illumination parameters, and 3D distribution of LLLT light dose in human subject according to the illumination setups. This LLLT light dose distribution was computed by a Monte Carlo model for voxelized media and the Visible Chinese Human head dataset and displayed in 3D view at the background of head anatomical structure. The performance of the whole system was fully tested. One stroke patient was recruited in the preliminary LLLT experiment and the following neuropsychological testing showed obvious improvement in memory and executive functioning. This clinical case suggested the potential of this Illumination-parameter adjustable and illuminationdistribution visible LED helmet as a reliable, noninvasive, and effective tool in treating brain injuries.

Paper Details

Date Published: 18 March 2016
PDF: 7 pages
Proc. SPIE 9700, Design and Quality for Biomedical Technologies IX, 97000S (18 March 2016); doi: 10.1117/12.2211318
Show Author Affiliations
Pengbo Wang, Univ. of Electronic Science and Technology of China (China)
Yuan Gao, Univ. of Electronic Science and Technology of China (China)
Xiao Chen, Univ. of Electronic Science and Technology of China (China)
Ting Li, Univ. of Electronic Science and Technology of China (China)

Published in SPIE Proceedings Vol. 9700:
Design and Quality for Biomedical Technologies IX
Ramesh Raghavachari; Rongguang Liang, Editor(s)

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