发明授权
- 专利标题: Assessment of electrode coupling for tissue ablation
- 专利标题(中): 组织消融电极耦合评估
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申请号: US12096070申请日: 2006-12-06
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公开(公告)号: US09283026B2公开(公告)日: 2016-03-15
- 发明人: Saurav Paul , Hong Cao , Kedar Ravindra Belhe
- 申请人: Saurav Paul , Hong Cao , Kedar Ravindra Belhe
- 申请人地址: US MN St. Paul
- 专利权人: St. Jude Medical, Atrial Fibrillation Division, Inc.
- 当前专利权人: St. Jude Medical, Atrial Fibrillation Division, Inc.
- 当前专利权人地址: US MN St. Paul
- 代理机构: Marsh Fischmann & Breyfogle LLP
- 国际申请: PCT/US2006/046565 WO 20061206
- 国际公布: WO2007/067628 WO 20070114
- 主分类号: A61B18/04
- IPC分类号: A61B18/04 ; A61B5/053 ; A61B18/12 ; A61B18/14 ; A61B19/00 ; A61B18/00
摘要:
An electrode catheter (14) and a method for assessing electrode-tissue contact and coupling are disclosed. An exemplary electrode catheter (14) comprises an electrode (20) adapted to apply electrical energy. A measurement circuit (42) is adapted to measure impedance between the electrode (20) and ground as the electrode approaches a target tissue (24). A processor (50) determines a contact and coupling condition for the target tissue (24) based at least in part on reactance of the impedance measured by the measurement circuit (42). In another exemplary embodiment, the electrode catheter (14) determines the contact and coupling condition based at least in part on a phase angle of the impedance.
公开/授权文献
- US20080300589A1 Assessment of Electrode Coupling for Tissue Ablation 公开/授权日:2008-12-04
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