Echogenic spacers and strands
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United States of America Patent
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Feb 1, 2011
Grant Date -
N/A
app pub date -
Sep 7, 2006
filing date -
Sep 7, 2006
priority date (Note) -
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Abstract
Echogenic strands and spacers are provided for use in brachytherapy. Methods of making the strands and spacers are also provided. An echogenic strand for use in brachytherapy and a method for making the strand includes an encapsulating material, a seed disposed within the encapsulating material, and a spacer disposed within the encapsulating material and arranged adjacent to the seed. The spacer has an axial length, an outer surface and an inner surface. A chamber is formed along the axial length, the chamber being defined by the inner surface. The chamber is adapted to improve ultrasound visibility relative to the spacer.
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