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22 February 2006 The innovations with the medical applications of white LEDs and the breakthrough for new business
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Abstract
The distance between the LED and the surface of the target organ is about 4-5 cm, and we think this will become the "ultimate super-localized LED lighting". In an experiment with swine, we placed a LED module at the tip of the retractor. When compared to endoscopic lighting, this method illuminated the entire thoracic cavity more brightly. Since the light is emitted from the cylinder-shaped camera component, the light is unidirectional, and the shadows from the surgical instruments are moved to the side of the incision. Retractor LED lights provided enough light in the thoracic cavity. we believe that "medical white LEDs" can contribute in clinical settings as a light source for performing safe operations with bright surgical fields in the near future. Also, we use our LEDs for new real business. In the summer of 2004, LED lighting was world first used in the 1200 year-old Gion Festival for the first time in history as "a lighting device that does not destroy cultural assets by light heat". And the next is "Lighting at the "Diva status at diva gate" and the "Thousand Armed Avalokiteshwara in innermost sanctuary in the main hall" at Kiyomizudera in Kyoto". It was a great success, and we were invited back in the spring of 2005 and for future applications. We think this is the first real application of LEDs as an outdoor lighting device. The number of people who visit Kiyomizudera is 4000,000 annually, and LEDs were adopted to illuminate the diva gate.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun-ichi Shimada M.D., Kazuhiro Itoh M.D., Motohiro Nishimura M.D., Youichi Kawakami, and Kiyotsugu Tsuji "The innovations with the medical applications of white LEDs and the breakthrough for new business", Proc. SPIE 6134, Light-Emitting Diodes: Research, Manufacturing, and Applications X, 613408 (22 February 2006); https://doi.org/10.1117/12.645967
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