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    • 52. 发明授权
    • Method and apparatus for positioning a catheter relative to an anatomical junction
    • 用于相对于解剖结合物定位导管的方法和装置
    • US07789876B2
    • 2010-09-07
    • US09825741
    • 2001-04-03
    • Arthur W. ZikorusRalph G. DePalmaChristopher S. JonesBrian E. FarleyJames G. Chandler
    • Arthur W. ZikorusRalph G. DePalmaChristopher S. JonesBrian E. FarleyJames G. Chandler
    • A61B18/18
    • A61B18/1492A61B34/20A61B2017/00867A61B2017/22038A61B2018/00273A61B2018/00404A61B2018/00797A61B2018/00815A61B2018/00821A61B2018/00875A61B2018/1253A61B2018/1467A61B2018/1475A61B2034/2051A61M25/01C08L2201/12
    • An electrode catheter is introduced into a vein or other hollow anatomical structure, and is positioned at a treatment site within the structure. The end of the catheter is positioned near a junction formed in the structure. This junction can be the sapheno-femoral junction. The position of the catheter near the junction is determined based on a signal from a device associated with the catheter within the structure. A fiber optic filament which emits light is used with the catheter or a guide wire over which the catheter is advanced. The light is visible externally from the patient. The light dims and may no longer externally visible at the sapheno-femoral junction where the catheter moves past the deep fascia and toward the deep venous system. The position of the catheter can be determined based on this external observation. The position of the catheter can also be determined based on measured parameters such as temperature or flow rate within the structure, and the measured changes in one or more of these parameters as the catheter nears the junction. The hollow anatomical structure can be compressed for this procedure. The position of the catheter can also be determined mechanically by including a hook-shaped tip on the catheter or guide wire which would physically engage the junction.
    • 将电极导管引入静脉或其他中空的解剖结构中,并且位于结构内的治疗部位。 导管的端部位于结构中形成的结处附近。 该结可以是隐静脉 - 股骨交界处。 基于来自与结构内的导管相关联的装置的信号来确定导管附近的导管位置。 使用发光的光纤丝与导管或引导线一起使用,导管在其上前进。 灯从病人外面可见。 光线变暗,并且可能不再在导管移动穿过深筋膜并朝向深静脉系统的隐静脉股关节处外部可见。 可以基于该外部观察来确定导管的位置。 导管的位置也可以基于测量参数(例如结构内的温度或流速)以及随着导管接近连接处的这些参数中的一个或多个而测量的变化来确定。 为此程序可以压缩中空的解剖结构。 导管的位置也可以通过将导管或引导线上的钩状尖端包括在物理上接合连接处而机械地确定。
    • 58. 发明授权
    • Transurethral needle ablation device with aligned handle
    • 经尿道针消融装置与对齐手柄
    • US06514247B1
    • 2003-02-04
    • US09416206
    • 1999-10-08
    • Thomas H. McGaffiganChristopher S. Jones
    • Thomas H. McGaffiganChristopher S. Jones
    • A61B1818
    • A61B18/1477A61B18/1485
    • A transurethral needle ablation device for use by a human hand to treat the prostate of a human male. The device includes a cartridge assembly having an elongate probe member and a stylet. The elongate probe member has proximal and distal extremities and is provided with a passageway extending from the proximal extremity to the distal extremity. The stylet is slidably mounted in the passageway of the elongate probe member. A housing is included in the device. The cartridge assembly is removably mountable on the housing. An assembly adapted for actuation by the human hand is carried by the housing and coupled to the proximal extremity of the stylet for causing the distal extremity of the stylet to extend into the tissue of the prostate.
    • 一种用于人类手治疗人类前列腺的经尿道针消融装置。 该装置包括具有细长探针构件和探针构件的筒组件。 细长的探针构件具有近端和远端,并且设置有从近端延伸到远端的通道。 探针可滑动地安装在细长探针构件的通道中。 设备中包含一个外壳。 盒组件可拆卸地安装在壳体上。 适于由人手致动的组件由壳体承载并联接到探针的近端,用于使探针的远端延伸到前列腺的组织中。