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INTRAVASCULAR CATHETER WITH PERI-VASCULAR NERVE ACTIVITY SENSORS
专利权人:
Inc.;Ablative Solutions
发明人:
David R. Fischell,Tim A. Fischell,Vartan Ghazarossian,Steven Almany
申请号:
US15940178
公开号:
US20180279894A1
申请日:
2018.03.29
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An intravascular catheter for peri-vascular nerve activity sensing or measurement includes multiple needles advanced through supported guide tubes (needle guiding elements) which expand with open ends around a central axis to contact the interior surface of the wall of the renal artery or other vessel of a human body allowing the needles to be advanced though the vessel wall into the perivascular space. The system also may include means to limit and/or adjust the depth of penetration of the needles. The catheter also includes structures which provide radial and lateral support to the guide tubes so that the guide tubes open uniformly and maintain their position against the interior surface of the vessel wall as the sharpened needles are advanced to penetrate into the vessel wall. The addition of an injection lumen at the proximal end of the catheter and openings in the needles adds the functionality of ablative fluid injection into the perivascular space for an integrated nerve sending and ablation capability.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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