发明名称 |
RF ABLATION SYSTEM COMPRISING A DIELECTRIC TRANSFORMER |
摘要 |
<p>An ablation device which transmits radio frequency (RF) energy for the ablation of biological tissues has elongate inner and outer coaxial conductors extending from a proximal portion to a distal portion. An RF antenna is disposed at the distal portion of the device and transmits RF energy for ablation of a tissue region to be treated. Reflection of energy from the tissue or the ablation point is reduced by providing multiple layers of dielectric media about the antenna, or by providing a gradual transition point from the conductors to the antenna tip, by means of a longitudinally stepped dielectric layer transformer.</p> |
申请公布号 |
EP2419040(B1) |
申请公布日期 |
2014.06.11 |
申请号 |
EP20100765195 |
申请日期 |
2010.04.15 |
申请人 |
MEDWAVES, INC. |
发明人 |
ORMSBY, THEODORE;CHUNG, RUSSELL;LEUNG, GEORGE;SHEN, GWO JENN |
分类号 |
A61B18/18;A61B17/3205 |
主分类号 |
A61B18/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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