Flexible source wire for localized internal irradiation of tissue
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Nov 9, 1995
filing date -
Nov 9, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flexible source wire is provided containing a radioactive source that is capable of maneuvering through a tortuous narrow passage to a treatment site within the body. This source wire includes an elongated flexible housing tube with its proximal end (i.e., the treatment end) modified to receive a radioactive core. The preferred embodiment of the source wire is constructed from a material exhibiting little or no memory retention when bent such as certain nickel/titanium alloys. Both ends of the source wire are sealed and the proximal end of the source wire is rounded to allow ease of movement as it travels through the bends and turns in the body.
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