Systems and methods for photodynamic therapy
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United States of America Patent
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Issued Date -
Sep 4, 2003
app pub date -
Jan 23, 2003
filing date -
Jan 23, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods for performing photodynamic therapy wherein a photoreactive agent is delivered locally and activated with an external non-invasive energy source are provided. In one embodiment, a low energy light source is used to initiate fluorescence in target tissue containing photoreactive agent. The characteristic fluorescence of the abnormal target tissue is used to generate a map that is then used to direct targeted activation energy to the target tissue without collateral damage to healthy tissue.
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