Radiation delivery devices and methods of making same
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United States of America Patent
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-
Sep 4, 2001
Grant Date -
N/A
app pub date -
Sep 16, 1999
filing date -
Sep 24, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for delivering radiation to at least one preselected site in a vascular system of a patient, includes an elongated flexible catheter tube of a diameter for insertion into the patient's vascular system, and a flexible guide wire within the catheter tube and movable along its length. The guide wire includes a proximal end to be located externally of the patient's vascular system for moving the guide wire within the catheter tube, and a rounded distal tip at the opposite end to facilitate movement of the guide wire through the catheter tube. At least one radiation-producing element is fixed to the guide wire at an intermediate location spaced from the rounded distal tip.
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