Precision implant needle and method of using same in seed implant treatment of prostate cancer
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Dec 29, 1997
filing date -
Dec 29, 1997
priority date (Note) -
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Abstract
The needle combination includes an insertion stylet which has a small diameter and is rigid. The tip of the insertion stylet is sharp for ease of insertion into the prostate. A needle sleeve has a larger diameter than the insertion stylet and is inserted into the prostate around the insertion stylet. A needle is loaded with radioactive seeds and spacers and is inserted, along with an implant stylet, into the sleeve after the insertion stylet has been removed. The needle and the sleeve are then removed together, while holding the implant stylet in place, so that the seeds are deposited in the prostate in desired locations.
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