Treating vascular and neoplastic tissues
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United States of America Patent
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Nov 19, 1996
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N/A
app pub date -
Mar 21, 1995
filing date -
Mar 21, 1995
priority date (Note) -
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Abstract
Lesions supplied by abnormal aggregations of vascular tissue or neovascular tissues are treated with photodynamic therapy by application of photosensitizing agent followed by precisely directed and calibrated laser activation to induce photothrombosis within target vascular tissue. The treatment forms a blood clot within the supply vessels thereby reducing the blood supply to the target lesion. Treated tissues atrophy or recede with low regrowth of vessels. The lower energy levels required significantly reduce damage to the surrounding tissues.
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