Photodynamic therapy utilizing multiple duty cycle light modulation
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 14, 2005
filing date -
Apr 14, 2005
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Abandoned
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Abstract
A method of photodynamic disruption of target cells within a target cell site wherein the target cells are associated with one or more of a sterilization procedure, a biofilm eradication procedure, a sterilization procedure of a medical prosthesis, a treatment of an infection at a tissue site, eradication of cancer cells and a fluid or food decontamination process. Surface acting agents such as benzalkonium chloride or polymyxin B sulfate or both may be utilized. A controllable light source capable of delivering light at a plurality of duty cycles is utilized to cause photoactivation of the photosensitive material resulting in degradation of target cells within the site.
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