Radiation for inhibiting hyperplasia after intravascular intervention
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Sep 14, 2000
filing date -
Sep 14, 2000
priority date (Note) -
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Abstract
Apparatus and methods are provided for applying a radially uniform radiation dose to an intravascular treatment region to inhibit hyperplanes, and specifically to reduce 'candy-wrapper' ends, following intravascular intervention. An embodiment of the apparatus comprises a catheter body having a proximal end and a distal end, a pair of axially spaced apart radiation shields on the catheter body, and a radiation source. The radiation source applies a radiation dose which is substantially uniform in a radial direction over an entire distance between the axially spaced apart shields.
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