Radiation source with delivery wire
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United States of America Patent
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-
Feb 15, 2000
Grant Date -
N/A
app pub date -
Jul 1, 1997
filing date -
Jul 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radiation source for delivering a dose of radiation to a treatment site of a vessel is provided herein. The radiation source includes a delivery wire and a radioactive segment. The radioactive segment includes a substantially coiled or entwined radioactive wire which allows the radioactive segment to have a relatively large surface area to volume ratio. The delivery wire is made of material having a relatively short half-life, such as titanium, while the radioactive segment is made of a material, such as a rhenium or yttrium, which has a much longer half-life.
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