Intravascular radiation delivery device
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United States of America Patent
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-
Apr 20, 2004
Grant Date -
Oct 4, 2001
app pub date -
Jun 6, 2001
filing date -
Mar 28, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device and method for precisely delivering dosage of radiation from a radiation source to a treatment site of a vessel is provided herein. In one embodiment, the device includes a catheter which inserts into a vessel lumen of the body. The catheter includes an adjuster section for altering a portion of the radiation emitting radially from the radiation source so that the radiation source delivers an asymmetrical radiation profile to the vessel. The device can also include a catheter supporter which inhibits rotational deformation in the catheter between a catheter distal end and a catheter proximal end. This allows the delivery section to be precisely rotated to properly position the adjuster section within the vessel lumen.
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