Grooved brachytherapy sources
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United States of America Patent
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Aug 1, 2006
Grant Date -
Aug 14, 2003
app pub date -
Apr 12, 2001
filing date -
May 15, 2000
priority date (Note) -
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Abstract
Radioactive sources, preferably radioactive seeds, for use in brachytherapy comprising a radioisotope within a sealed biocompatible container, wherein at least one part of the outer surface of the container is grooved, preferably with a curved groove. The grooved outer surface is preferably substantially free from angularities. Such grooves enhance the echogenicity of the source using medical ultrasound at a greater range of angles to the ultrasound probe, thus enhancing the ultrasound visibility of the source. Preferred radioisotopes are palladium-103 and iodine-125.
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