Radiofrequency ablation electrode needle
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United States of America Patent
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Jan 12, 2021
Grant Date -
Aug 3, 2017
app pub date -
Dec 14, 2016
filing date -
Jan 28, 2016
priority date (Note) -
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Abstract
A radiofrequency ablation electrode needle includes at least one first segment and at least two second segments. The at least one first segment and the at least two second segments are exposed on a surface of the needle body. An impedance of the at least one first segment is smaller than an impedance of the at least two second segments and at least one of the at least one first segment is disposed between two immediately adjacent ones of the at least two second segments. Besides, the radiofrequency ablation electrode needle is a monopolar electrode needle.
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