Conversion of beta radiation to gamma radiation for intravascular radiation therapy
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United States of America Patent
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Jun 8, 1999
Grant Date -
N/A
app pub date -
Jan 10, 1997
filing date -
Jan 10, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for inhibiting restenosis of arteries utilizing Bremstralung created radiation. A preferred apparatus includes an elongate shaft having a heavy-metal envelope disposed on the distal end. The apparatus can include a second elongate shaft slidably disposed parallel to the first shaft for increasing the outer diameter of the envelope by proximally pulling the envelope distal end relative to the envelope proximal end.
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