Method for the permanent occlusion of arteries
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United States of America Patent
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Oct 1, 1991
Issued Date -
N/A
app pub date -
Apr 2, 1990
filing date -
Apr 19, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A new, non-mechanical method of inducing the complete occlusion of arteries is disclosed. Arteries are occluded thrombotically by means of a rose bengal dye-sensitized photochemical reaction initiated in nonthrombogenic vascular endothelium by light at a wavelength sufficient to electronically excite the rose bengal molecules. To blood platelets, the rose bengal-photosensitized endothelial surface becomes thrombogenic; accordingly, platelet adherence is followed by intense platelet aggregation resulting in complete occlusion of the artery.
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