Method and devices for preventing restenosis after angioplasty
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United States of America Patent
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May 25, 1993
Issued Date -
N/A
app pub date -
Mar 19, 1992
filing date -
Sep 6, 1990
priority date (Note) -
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Abstract
The incidence of restenosis after angioplasty is reduced by exposing the potentially stenotic site to radiation from a source within the same vascular structure in which the site is located. The radioactive source can be mounted at the distal end of a guidewire, or in a balloon catheter, or on a balloon expansible stent, and is inserted through the vascular structure to the site to be exposed.
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