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1. 发明申请

WO2008083112A2 CONTACT-SENSITIVE PRESSURE-SENSITIVE CONDUCTIVE COMPOSITE ELECTRODE AND METHOD FOR ABLATION 审中-公开
标题翻译：接触敏感的压敏导电复合电极和消融方法
公开(公告)号：WO2008083112A2
公开(公告)日：2008-07-10
申请号：PCT/US2007/088680
申请日：2007-12-21
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , THAO, Chou , PAUL, Saurav , BELHE, Kedar Ravindra , CAO, Hong
发明人： THAO, Chou , PAUL, Saurav , BELHE, Kedar Ravindra , CAO, Hong
IPC分类号： A61N1/04
CPC分类号： A61B18/1492 , A61B2018/00577 , A61B2018/00702 , A61B2090/064
摘要： A catheter assembly for pressure-sensitive control of ablation treatment is disclosed. The assembly includes a conductive element, an electrode, and a pressure sensitive conductive composite member positioned between the conductive element and the electrode. At least one of the conductive pin, the pressure sensitive conductive composite element and the ablation electrode are moveable to create an engagement position and a non-engagement position. In the engagement position, the elements are electrically coupled such that ablation energy may be delivered from the conductive pin to the ablation electrode via the pressure sensitive conductive composite element. In the non-engagement position, the elements are electrically decoupled such that ablation energy is not delivered to the ablation electrode. A related method for pressure-sensitive control of ablation is also disclosed.
摘要翻译：公开了一种用于消融治疗的压敏控制的导管组件。该组件包括导电元件，电极以及位于导电元件和电极之间的压敏导电复合构件。导电针，压敏导电复合元件和消融电极中的至少一个是可移动的以形成接合位置和非接合位置。在接合位置，元件被电耦合，使得消融能量可以经由压敏导电复合元件从导电销传递到消融电极。在非接合位置，元件电解耦以使得消融能量不被传递至消融电极。还公开了用于压力敏感控制消融的相关方法。

2. 发明申请

WO2007067941A2 ASSESSMENT OF ELECTRODE COUPLING FOR TISSUE ABLATION 审中-公开
标题翻译：用于组织脱落的电极耦合评估
公开(公告)号：WO2007067941A2
公开(公告)日：2007-06-14
申请号：PCT/US2006/061714
申请日：2006-12-06
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , BELHE, Kedar, Ravindra , CAO, Hong , THAO, Chou
发明人： PAUL, Saurav , BELHE, Kedar, Ravindra , CAO, Hong , THAO, Chou
IPC分类号： A61B18/18
CPC分类号： A61B18/1206 , A61B18/1492 , A61B34/20 , A61B2018/00303 , A61B2018/00357 , A61B2018/00577 , A61B2018/00642 , A61B2018/00666 , A61B2018/00702 , A61B2018/0075 , A61B2018/00755 , A61B2018/00869 , A61B2018/00875 , A61B2090/064 , A61B2090/065
摘要： An electrode catheter and a method for assessing electrode-tissue contact and coupling are disclosed. An exemplary electrode catheter comprises an electrode adapted to apply electrical energy. A measurement circuit is adapted to measure impedance between the electrode and ground as the electrode approaches a target tissue. A processor determines a contact and coupling condition for the target tissue based at least in part on reactance of the impedance measured by the measurement circuit. In another exemplary embodiment, the electrode catheter determines the contact and coupling condition based at least in part on a phase angle of the impedance.
摘要翻译：公开了用于评估电极 - 组织接触和耦合的电极导管和方法。示例性电极导管包括适于施加电能的电极。测量电路适于在电极接近目标组织时测量电极和地之间的阻抗。处理器至少部分地基于由测量电路测量的阻抗的电抗来确定目标组织的接触和耦合条件。在另一个示例性实施例中，电极导管至少部分地基于阻抗的相位角来确定接触和耦合条件。

3. 发明申请

WO2007067939A2 ASSESSMENT OF ELECTRODE COUPLING FOR TISSUE ABLATION 审中-公开
公开(公告)号：WO2007067939A2
公开(公告)日：2007-06-14
申请号：PCT/US2006/061712
申请日：2006-12-06
申请人： ST. JUDE MEDICAL , ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , BELHE, Kedar, Ravindra , CAO, Hong , THAO, Chou
发明人： PAUL, Saurav , BELHE, Kedar, Ravindra , CAO, Hong , THAO, Chou
IPC分类号： A61B18/18
CPC分类号： A61B18/1206 , A61B18/1492 , A61B34/20 , A61B2018/00303 , A61B2018/00357 , A61B2018/00577 , A61B2018/00642 , A61B2018/00666 , A61B2018/00702 , A61B2018/0075 , A61B2018/00755 , A61B2018/00869 , A61B2018/00875 , A61B2090/064 , A61B2090/065
摘要： An electrode catheter and a method for assessing electrode-tissue contact and coupling are disclosed. An exemplary electrode catheter comprises an electrode adapted to apply electrical energy. A measurement circuit is adapted to measure impedance between the electrode and ground as the electrode approaches a target tissue. A processor determines a contact and coupling condition for the target tissue based at least in part on reactance of the impedance measured by the measurement circuit. In another exemplary embodiment, the electrode catheter determines the contact and coupling condition based at least in part on a phase angle of the impedance.

4. 发明申请

WO2008083122A2 PRESSURE-SENSITIVE CONDUCTIVE COMPOSITE ELECTRODE AND METHOD FOR ABLATION 审中-公开
标题翻译：压力敏感导电复合电极及其消除方法
公开(公告)号：WO2008083122A2
公开(公告)日：2008-07-10
申请号：PCT/US2007/088723
申请日：2007-12-21
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , BELHE, Kedar Ravindra , THAO, Chou , CAO, Hong
发明人： PAUL, Saurav , BELHE, Kedar Ravindra , THAO, Chou , CAO, Hong
IPC分类号： A61N7/00
CPC分类号： A61B18/1492 , A61B2018/00029 , A61B2018/00791 , A61B2018/1437 , A61B2090/064 , A61B2090/065 , A61B2218/002
摘要： The present invention is directed to ablation devices and methods utilizing pressure sensitive conductive composites, such as quantum tunneling composites, or other contact-sensitive, conductive polymers. The materials provide for electrodes and methods capable of differentiating between a soft and a hard push. The present invention thus provides an electrode for delivering selective electrical energy for ablation that may be varied based upon the pressure exerted on the surface area of the targeted tissue.
摘要翻译：本发明涉及使用压敏导电复合材料如量子隧道复合材料或其它接触敏感的导电聚合物的消融装置和方法。这些材料提供了能够区分软推和硬推的电极和方法。因此，本发明提供了一种用于输送用于消融的选择性电能的电极，其可以基于施加在目标组织的表面积上的压力而变化。

5. 发明申请

WO2008083108A2 FABRIC ELECTRODE HEAD 审中-公开
标题翻译：织物电极头
公开(公告)号：WO2008083108A2
公开(公告)日：2008-07-10
申请号：PCT/US2007/088668
申请日：2007-12-21
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , BELHE, Kedar Ravindra , PAUL, Saurav , THAO, Chou , CAO, Hong
发明人： PAUL, Saurav , THAO, Chou , CAO, Hong
IPC分类号： A61N1/05
CPC分类号： A61B18/14 , A61B18/16 , A61B2018/00577 , A61N1/0464 , A61N1/05
摘要： An electrode head (272) is disclosed that utilizes electrically conductive or dissipative fabric (278) to exchange electrical energy with tissue. This electrode head may be used for any appropriate application, such as a catheter electrode, a return electrode, or the like. Any appropriate function may be provided by this electrode head, such as tissue ablation, tissue mapping, or providing an electrical ground.
摘要翻译：公开了一种利用导电或耗散织物（278）与组织交换电能的电极头（272）。该电极头可以用于任何适当的应用，例如导管电极，返回电极等。该电极头可以提供任何适当的功能，例如组织消融，组织标测或提供电接地。

6. 发明申请

WO2007002004A3 ABLATION CATHETER WITH FLUID DISTRIBUTION STRUCTURES 审中-公开
公开(公告)号：WO2007002004A3
公开(公告)日：2007-01-04
申请号：PCT/US2006/023854
申请日：2006-06-19
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , CAO, Hong , THAO, Chou , BELHE, Kedar, Ravindra , PAUL, Saurav , STANGENES, Todd
发明人： CAO, Hong , THAO, Chou , BELHE, Kedar, Ravindra , PAUL, Saurav , STANGENES, Todd
IPC分类号： A61B18/04 , A61F7/00
摘要： An ablation catheter (22) has improved fluid distribution structures. An ablation section at a distal end (12) of the catheter (22) is designed to provide a more uniform fluid flow emanating from the catheter (22). By creating a uniform fluid flow, a more uniform tissue lesion results and the possibility of charring the tissue is reduced. A combination of mesh material (142) layers, porous materials (354), and dispersion channels or openings (346) are used to achieve the uniform flow. The amount of fluid used as a virtual electrode to ablate the tissue is greatly reduced with the present invention. Further, the catheter (22) may be used to create a single, uniform linear lesion by successive application of energy to adjacent portions of the ablation section, thus reducing the power required to create the desired lesion.

7. 发明申请

WO2007067628A1 ASSESSMENT OF ELECTRODE COUPLING FOR TISSUE ABLATION 审中-公开
标题翻译：电器联合电击组织评估
公开(公告)号：WO2007067628A1
公开(公告)日：2007-06-14
申请号：PCT/US2006/046565
申请日：2006-12-06
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , CAO, Hong , BELHE, Kedar, Ravindra
发明人： PAUL, Saurav , CAO, Hong , BELHE, Kedar, Ravindra
IPC分类号： A61N1/00
CPC分类号： A61B18/1206 , A61B18/1492 , A61B34/20 , A61B2018/00303 , A61B2018/00357 , A61B2018/00577 , A61B2018/00642 , A61B2018/00666 , A61B2018/00702 , A61B2018/0075 , A61B2018/00755 , A61B2018/00869 , A61B2018/00875 , A61B2090/064 , A61B2090/065
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.
摘要翻译：公开了一种电极导管（14）和用于评估电极组织接触和耦合的方法。示例性电极导管（14）包括适于施加电能的电极（20）。测量电路（42）适于在电极接近目标组织（24）时测量电极（20）和地面之间的阻抗。处理器（50）至少部分地基于由测量电路（42）测量的阻抗的电抗来确定目标组织（24）的接触和耦合条件。在另一示例性实施例中，电极导管（14）至少部分地基于阻抗的相位角来确定接触和耦合条件。

8. 发明申请

WO2008083123A1 DESIGN OF ABLATION ELECTRODE WITH TACTILE SENSOR 审中-公开
标题翻译：消除电极与触觉传感器的设计
公开(公告)号：WO2008083123A1
公开(公告)日：2008-07-10
申请号：PCT/US2007/088729
申请日：2007-12-21
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , CAO, Hong , THAO, Chou , PAUL, Saurav
发明人： CAO, Hong , THAO, Chou , PAUL, Saurav
IPC分类号： A61B5/04
CPC分类号： A61B18/1492 , A61B5/6852 , A61B5/6885 , A61B2090/065
摘要： A catheter assembly for assessing contact between the catheter assembly and tissue is disclosed. The assembly includes a catheter shaft and a pressure sensitive conductive composite member whose electrical resistance varies with pressure applied to the catheter assembly. The assembly also includes at least one measurement terminal to permit the measurement of changes in the electrical characteristics of the pressure sensitive conductive composite member. The assembly may optionally include a measurement device to measure resistance, impedance and/or other electrical characteristics. The assembly may utilize a reference electrode secured to the patient's tissue, which permits the measurement device to measure changes between the reference electrode and the at least one measurement terminal. Optionally, the assembly may include a conductive outer layer. Also disclosed are sensor assemblies, contact sensor, methods of contact sensing, and methods of manufacturing relating to the use of pressure sensitive conductive composites.
摘要翻译：公开了一种用于评估导管组件和组织之间的接触的导管组件。组件包括导管轴和压力敏感的导电复合构件，其电阻随着施加到导管组件的压力而变化。组件还包括至少一个测量端子，以允许测量压敏导电复合构件的电特性的变化。组件可以可选地包括测量电阻，阻抗和/或其他电特性的测量装置。组件可以利用固定到患者组织的参考电极，其允许测量装置测量参考电极和至少一个测量终端之间的变化。可选地，组件可以包括导电外层。还公开了传感器组件，接触传感器，接触感测方法以及与使用压敏导电复合材料有关的制造方法。

9. 发明申请

WO2007070361A2 ASSESSMENT OF ELECTRODE COUPLING FOR TISSUE ABLATION 审中-公开
标题翻译：电器联合电击组织评估
公开(公告)号：WO2007070361A2
公开(公告)日：2007-06-21
申请号：PCT/US2006/046816
申请日：2006-12-06
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , CAO, Hong , THAO, Chou
发明人： PAUL, Saurav , CAO, Hong , THAO, Chou
IPC分类号： A61N1/378
CPC分类号： A61N1/40 , A61B2018/00357 , A61B2018/00875
摘要： An electrode catheter and a method for assessing electrode-tissue contact and coupling are disclosed. An exemplary electrode catheter comprises an electrode adapted to apply electrical energy. A measurement circuit is adapted to measure impedance between the electrode and ground as the electrode approaches a target tissue. A processor determines a contact and coupling condition for the target tissue based at least in part on reactance of the impedance measured by the measurement circuit. In another exemplary embodiment, the electrode catheter determines the contact and coupling condition based at least in part on a phase angle of the impedance.
摘要翻译：公开了电极导管和用于评估电极组织接触和耦合的方法。示例性电极导管包括适于施加电能的电极。测量电路适于在电极接近目标组织时测量电极和地面之间的阻抗。处理器至少部分地基于由测量电路测量的阻抗的电抗来确定目标组织的接触和耦合条件。在另一示例性实施例中，电极导管至少部分地基于阻抗的相位角确定接触和耦合条件。

10. 发明申请

WO2007067943A2 ASSESSMENT OF ELECTRODE COUPLING FOR TISSUE ABLATION 审中-公开
公开(公告)号：WO2007067943A2
公开(公告)日：2007-06-14
申请号：PCT/US2006/061716
申请日：2006-12-06
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , CAO, Hong , BEHLE, Kedar, Ravindra , THAO, Chou
发明人： PAUL, Saurav , CAO, Hong , BEHLE, Kedar, Ravindra , THAO, Chou
IPC分类号： A61B18/18
CPC分类号： A61B18/1206 , A61B18/1492 , A61B34/20 , A61B2018/00303 , A61B2018/00357 , A61B2018/00577 , A61B2018/00642 , A61B2018/00666 , A61B2018/00702 , A61B2018/0075 , A61B2018/00755 , A61B2018/00869 , A61B2018/00875 , A61B2090/064 , A61B2090/065
摘要： An electrode catheter and a method for assessing electrode-tissue contact and coupling are disclosed. An exemplary electrode catheter comprises an electrode adapted to apply electrical energy. A measurement circuit is adapted to measure impedance between the electrode and ground as the electrode approaches a target tissue. A processor determines a contact and coupling condition for the target tissue based at least in part on reactance of the impedance measured by the measurement circuit. In another exemplary embodiment, the electrode catheter determines the contact and coupling condition based at least in part on a phase angle of the impedance.

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