Manufacturing Industry
Lighting device to treat skin cancer.(Medical)
New Materials Japan, June, 2004
Toin University of Yokohama and Ushio Inc have jointly developed a device to treat skin cancer by radiating light on a patient's skin, insiders claim.
The device does not hurt patients like conventional surgical techniques. The university and the company have started leasing it to other universities and hospitals and plan to start full-scale sales in two years.
The device applies an optical sensitizer agent on the skin before radiating it with visible light rays with a wavelength of about 400 nanometers. The radiation turns the agent that has been applied on the disease-affected part of the skin red, thus clarifying which parts of the skin have cancerous cells. It then radiates a 600-nanometer-wavelength light on the skin, which prompts the optical...
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