Markers for use in brachytherapy and other radiation therapy that resist migration and rotation
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United States of America Patent
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Sep 20, 2011
Grant Date -
May 14, 2009
app pub date -
Jan 21, 2009
filing date -
Jul 22, 2005
priority date (Note) -
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Abstract
In an embodiment, an implantable marker, which is adapted to be implanted into patient tissue using a hollow needle, includes a marker body including a radiopaque material and a polymeric material that encapsulates at least a portion of the marker body. In an embodiment, an outer surface of the encapsulating material includes one or more protrusions to reduce a tendency of the marker to migrate and rotate within a patient's body after implantation.
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