MEDICAL LASER APPARATUS WITH ENHANCED DISINFECTION FUNCTION
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United States of America Patent
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Jan 8, 2009
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Jun 30, 2008
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Jul 3, 2007
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A laser apparatus is provided for medical applications or procedures, which include laser surgery, photo dynamic therapy, photo bio-modulation, etc. The output wavelength of the laser matches with the absorption band of oxygen molecule to produce highly reactive singlet oxygen from air or an oxygen enriched environment. The singlet oxygen is used as a strong oxidizer to kill bacteria. The properties of the laser such as power intensity, beam divergence, spectral linewidth, etc. are optimized for effective photo treatment of biological tissue as well as for efficient singlet oxygen generation.
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