Radiation delivery catheters and dosimetry methods
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United States of America Patent
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Dec 10, 2002
Issued Date -
N/A
app pub date -
Aug 25, 2000
filing date -
Jan 31, 1997
priority date (Note) -
Expired
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Abstract
Disclosed are sources and methods for delivering a radioactive dose to a site in a body lumen. The sources are preferably mounted on a balloon or other expandable or deployable mechanical structure. The source and methods enable delivery of a clinically significant dose of radiation into a vessel wall in a relatively short time while using a relatively low activity. The sources also enable delivery of a substantially uniform dose into the vessel wall, whether or not such delivery is through the wall of a stent.
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