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公开(公告)号：US20110118582A1
公开(公告)日：2011-05-19
申请号：US12667338
申请日：2008-07-03
IPC分类号： A61B19/00 , A61B5/0402
CPC分类号： A61B18/1492 , A61B90/06 , A61B2017/00867 , A61B2018/00023 , A61B2018/00029 , A61B2018/00148 , A61B2018/00154 , A61B2018/00351 , A61B2018/00357 , A61B2018/00839 , A61B2018/1465 , A61B2018/1475 , A61B2090/064 , A61B2090/065 , A61B2218/002 , C08L2201/12
摘要： A catheter includes a flexible tubing having a proximal end and a distal end. The catheter also includes an electrode assembly attached to the distal end of the flexible tubing and including a first magnet therein. The electrode assembly including an electrically conductive tip electrode and an electrically nonconductive coupler which is connected between the tip electrode and the distal end of the flexible tubing. The electrically conductive tip electrode comprises a hollow elongated tip electrode including a sidewall provided with one or more elongated gaps extending through the sidewall. The one or more elongated gaps providing flexibility in the sidewall for bending movement of the tip electrode relative to a longitudinal axis of the catheter body. The first magnet is responsive to an external magnetic field to selectively position and guide the electrode assembly within a body of a patient.
摘要翻译： 导管包括具有近端和远端的柔性管。 导管还包括附接到柔性管的远端并且包括其中的第一磁体的电极组件。 电极组件包括导电尖端电极和连接在尖端电极与柔性管的远端之间的非导电耦合器。 导电尖端电极包括中空细长尖端电极，其包括设置有延伸穿过侧壁的一个或多个细长间隙的侧壁。 所述一个或多个细长间隙在侧壁中提供柔性，用于弯曲尖端电极相对于导管主体的纵向轴线的运动。 第一磁体响应于外部磁场来选择性地将电极组件定位并引导到患者体内。
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公开(公告)号：US08827910B2
公开(公告)日：2014-09-09
申请号：US12667338
申请日：2008-07-03
CPC分类号： A61B18/1492 , A61B90/06 , A61B2017/00867 , A61B2018/00023 , A61B2018/00029 , A61B2018/00148 , A61B2018/00154 , A61B2018/00351 , A61B2018/00357 , A61B2018/00839 , A61B2018/1465 , A61B2018/1475 , A61B2090/064 , A61B2090/065 , A61B2218/002 , C08L2201/12
摘要： A catheter includes a flexible tubing having a proximal end and a distal end. The catheter also includes an electrode assembly attached to the distal end of the flexible tubing and including a first magnet therein. The electrode assembly including an electrically conductive tip electrode and an electrically nonconductive coupler which is connected between the tip electrode and the distal end of the flexible tubing. The electrically conductive tip electrode comprises a hollow elongated tip electrode including a sidewall provided with one or more elongated gaps extending through the sidewall. The one or more elongated gaps providing flexibility in the sidewall for bending movement of the tip electrode relative to a longitudinal axis of the catheter body. The first magnet is responsive to an external magnetic field to selectively position and guide the electrode assembly within a body of a patient.
摘要翻译： 导管包括具有近端和远端的柔性管。 导管还包括附接到柔性管的远端并且包括其中的第一磁体的电极组件。 电极组件包括导电尖端电极和连接在尖端电极与柔性管的远端之间的非导电耦合器。 导电尖端电极包括中空细长尖端电极，其包括设置有延伸穿过侧壁的一个或多个细长间隙的侧壁。 所述一个或多个细长间隙在侧壁中提供柔性，用于弯曲尖端电极相对于导管主体的纵向轴线的运动。 第一磁体响应于外部磁场来选择性地将电极组件定位并引导到患者体内。
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公开(公告)号：US5782828A
公开(公告)日：1998-07-21
申请号：US763614
申请日：1996-12-11
申请人： Peter Cheng Chen , Alan de la Rama
发明人： Peter Cheng Chen , Alan de la Rama
CPC分类号： A61B18/1206 , A61B18/1492 , A61B2017/003 , A61B2018/0016 , A61B2018/00351 , A61B2018/00577 , A61B2018/00654 , A61B2018/00702 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00815 , A61B2018/00839 , A61B2018/0091 , A61B2018/1253 , A61B2018/1467
摘要： An electrophysiology catheter suitable for radiofrequency ablation of cardiac tissue endocardially or epicardially comprises a catheter shaft whereby a distal tip section having multiple steerable curved portions, multiple long electrodes and multiple temperature sensors, further comprising a close-loop control mechanism for each electrode with a temperature sensor.
摘要翻译： 一种适用于心内膜或心外膜心脏组织的射频消融的电生理导管包括导管轴，其中具有多个可转向弯曲部分的多个尖端部分，多个长电极和多个温度传感器，其进一步包括具有温度的每个电极的闭环控制机构 传感器。
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公开(公告)号：US5849028A
公开(公告)日：1998-12-15
申请号：US858053
申请日：1997-05-16
申请人： Peter Cheng Chen
发明人： Peter Cheng Chen
CPC分类号： A61B18/1492 , A61B2017/003 , A61B2018/00351 , A61B2018/00577 , A61B2018/00654 , A61B2018/00797 , A61B2018/00821
摘要： An electrophysiology catheter suitable for radiofrequency ablation of cardiac tissue comprises an elongate catheter shaft wherein a distal tip section having multiple long electrodes and multiple temperature sensors in the proximity of the tissue contact sites and further comprising a close-loop temperature control mechanism for each electrode with at least a temperature sensor on an adjacent tiny ring.
摘要翻译： 适合于心脏组织射频消融的电生理学导管包括细长的导管轴，其中在组织接触位置附近具有多个长电极和多个温度传感器的远侧末端部分，并且还包括用于每个电极的闭环温度控制机构， 在相邻的小环上至少有一个温度传感器。
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公开(公告)号：US5954719A
公开(公告)日：1999-09-21
申请号：US46237
申请日：1998-03-23
申请人： Peter Cheng Chen , Tho Hoang Nguyen
发明人： Peter Cheng Chen , Tho Hoang Nguyen
CPC分类号： A61B18/1206 , A61B18/1492 , A61B2017/003 , A61B2018/0016 , A61B2018/00351 , A61B2018/00577 , A61B2018/00654 , A61B2018/00702 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00815 , A61B2018/00839 , A61B2018/0091 , A61B2018/1253 , A61B2018/1467
摘要： A catheter-based system for operating a RF ablation generator comprising a RF splitter for delivering RF energy to a plurality of electrodes; a low-pass filter located between the RF splitter and an external EKG monitor for displaying real-time signal to said EKG monitor; and a software program having temperature data input from a plurality of temperature sensors and signal output capability, wherein the software program sends out signals to the RF splitter being adapted to control the RF energy output to each electrode.
摘要翻译： 一种用于操作RF消融发生器的基于导管的系统，包括用于将RF能量传递到多个电极的RF分离器; 位于RF分离器和外部EKG监视器之间的低通滤波器，用于向所述EKG监视器显示实时信号; 以及软件程序，其具有从多个温度传感器输入的温度数据和信号输出能力，其中所述软件程序向所述RF分离器发送适合于控制到每个电极的RF能量输出的信号。
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