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    • 4. 发明授权
    • Biopsy forceps instrument having irrigation and aspiration capabilities
    • 活检钳具有灌溉和抽吸能力
    • US06174292B1
    • 2001-01-16
    • US09256317
    • 1999-02-24
    • Juergen Andrew KortenbachVincent TurturroMichael Sean McBrayerPeter Kratsch
    • Juergen Andrew KortenbachVincent TurturroMichael Sean McBrayerPeter Kratsch
    • A61B1000
    • A61B10/0266A61B10/06A61B2010/0225A61B2017/2939A61B2017/294A61B2090/035A61B2217/005A61B2217/007
    • A biopsy forceps instrument is provided having a proximal actuation handle, a flexible multi-lumen tubular member, at least one control member extending through a lumen, an irrigation means, an aspiration means, and a distal assembly. The proximal actuation handle includes a shaft and a spool slidably mounted on the shaft. The actuation handle is coupled to the proximal ends of both the flexible tubular member and the control member. Lumens of the tubular member form irrigation and aspiration conduits. The distal assembly includes a hollow jaw cup coupled to the aspiration conduit and a hollow movable jaw coupled adjacent the irrigation conduit. The movable jaw is coupled to the control member, such that actuation of the actuation handle moves the movable jaw relative to the jaw cup. Moving the hollow jaws into a closed position provides a substantially fluidtight coupling between the irrigation and aspiration conduits. The actuation handle is also provided with an assembly to control irrigation to and aspiration from the distal assembly. A proximal sample chamber having a removable screen is provided for filtering tissue samples aspirated from the distal assembly. The jaws are activated to cut a tissue sample and the irrigation and aspiration means are activated to move the sample into the sample chamber for retrieving the sample without removing the instrument from a patient.
    • 提供活检钳具有近侧致动手柄,柔性多腔管状构件,延伸穿过内腔的至少一个控制构件,冲洗装置,抽吸装置和远端组件。 近侧致动手柄包括轴和可滑动地安装在轴上的线轴。 致动手柄联接到柔性管状构件和控制构件的近端。 管状部件的流明形成灌溉和抽吸管道。 远端组件包括联接到抽吸导管的中空钳口杯和邻近冲洗管道连接的中空活动钳口。 可移动钳口联接到控制构件,使得致动手柄的致动使可移动钳口相对于钳口杯移动。 将空心钳口移动到关闭位置提供灌溉和抽吸管道之间基本上流体密封的联接。 致动手柄还设置有用于控制来自远端组件的抽吸和抽吸的组件。 提供具有可拆卸屏幕的近端样品室用于过滤从远端组件吸出的组织样本。 激活钳口以切割组织样品,并且激活冲洗和抽吸装置以将样品移动到样品室中以取出样品,而不从患者移除仪器。
    • 7. 发明授权
    • Arthroscopic surgical instruments
    • 关节镜手术器械
    • US5389104A
    • 1995-02-14
    • US101190
    • 1993-08-03
    • Kevin F. HahnenGustavo AguirrePeter Kratsch
    • Kevin F. HahnenGustavo AguirrePeter Kratsch
    • A61B10/00A61B10/06A61B17/28A61B17/32A61B17/56A61B18/14A61B19/00A61M1/00
    • A61B17/1608A61B17/320016A61B10/06A61B17/3201A61B2017/0088A61B2017/2926A61B2017/2931A61B2017/2934A61B2017/2939A61B2018/00077A61B2018/00083A61B2018/00107A61B2018/00148A61B2090/037A61B2090/0813A61B2217/005
    • An arthroscopic surgical instrument includes a hollow tube with an actuator coupled to its proximal end and an end effector coupled to its distal end. The actuator and the end effector are coupled by a cylindrical push rod which passes through the hollow tube. The push rod includes a frangible link in the form of a flattened portion with strength reducing semicircular side cuts which breaks when a predetermined force is applied to the end effector by the actuator. The end effector includes a stationary jaw and a movable jaw. The stationary jaw is coupled to the distal end of the tube and receives the push rod. The movable jaw is coupled to push rod and is pivotally coupled to the stationary jaw by arcuate engaging surfaces on both jaws. The movable jaw is also provided with a pair of serrated knife-like edges with an inner concave surface between them and the stationary jaw is provided with a receiving opening into which the movable jaw fits when the jaws are in a closed position. The receiving opening is defined by a pair of side walls having an upper taper which terminates in a sharp edge and a distal end wall having a concave inner surface. The concavity of the inner surface of the end wall is defined by a radius from the axis of rotation of the movable jaw. An electrical connection to the hollow tube is provided for supplying the jaws with a cautery current.
    • 关节镜手术器械包括具有联接到其近端的致动器的中空管和连接到其远端的端部执行器。 致动器和端部执行器通过穿过中空管的圆柱形推杆联接。 推杆包括具有强度减小的半圆形侧面切口形式的扁平部分的易碎连杆,当通过致动器将预定的力施加到末端执行器时,该切口断裂。 末端执行器包括固定夹爪和可动夹爪。 固定颚连接到管的远端并接收推杆。 活动夹爪连接到推杆,并通过两个钳口上的弧形接合表面枢转地联接到固定夹爪。 活动夹爪还设置有一对锯齿状的刀状边缘,在它们之间具有内凹面,并且固定夹爪设置有接纳开口,当钳口处于关闭位置时,可动钳口配合到该容纳开口中。 接收开口由一对侧壁限定,所述侧壁具有终止于尖锐边缘的上锥形和具有凹内表面的远端壁。 端壁的内表面的凹面由可移动夹爪的旋转轴线的半径限定。 提供与中空管的电连接,用于向钳​​口提供烧焦电流。
    • 9. 发明授权
    • Biopsy forceps instrument having irrigation and aspiration capabilities
    • 活检钳具有灌溉和抽吸能力
    • US5897507A
    • 1999-04-27
    • US756260
    • 1996-11-25
    • Juergen Andrew KortenbachVincent TurturroMichael Sean McBrayerPeter Kratsch
    • Juergen Andrew KortenbachVincent TurturroMichael Sean McBrayerPeter Kratsch
    • A61B10/06A61B10/00A61B10/02A61B17/28A61B19/00A61M1/00
    • A61B10/0266A61B10/06A61B2010/0225A61B2017/2939A61B2017/294A61B2090/035A61B2217/005A61B2217/007
    • A biopsy forceps instrument is provided having a proximal actuation handle, a flexible multi-lumen tubular member, at least one control member extending through a lumen, an irrigation means, an aspiration means, and a distal assembly. The proximal actuation handle includes a shaft and a spool slidably mounted on the shaft. The actuation handle is coupled to the proximal ends of both the flexible tubular member and the control member. Lumens of the tubular member form irrigation and aspiration conduits. The distal assembly includes a hollow jaw cup coupled to the aspiration conduit and a hollow movable jaw coupled adjacent the irrigation conduit. The movable jaw is coupled to the control member, such that actuation of the actuation handle moves the movable jaw relative to the jaw cup. Moving the hollow jaws into a closed position provides a substantially fluidtight coupling between the irrigation and aspiration conduits. The actuation handle is also provided with an assembly to control irrigation to and aspiration from the distal assembly. A proximal sample chamber having a removable screen is provided for filtering tissue samples aspirated from the distal assembly. The jaws are activated to cut a tissue sample and the irrigation and aspiration means are activated to move the sample into the sample chamber for retrieving the sample without removing the instrument from a patient.
    • 提供活检钳具有近侧致动手柄,柔性多腔管状构件,延伸穿过内腔的至少一个控制构件,冲洗装置,抽吸装置和远端组件。 近侧致动手柄包括轴和可滑动地安装在轴上的线轴。 致动手柄联接到柔性管状构件和控制构件的近端。 管状部件的流明形成灌溉和抽吸管道。 远端组件包括联接到抽吸导管的中空钳口杯和邻近冲洗管道连接的中空活动钳口。 可移动钳口联接到控制构件,使得致动手柄的致动使可移动钳口相对于钳口杯移动。 将空心钳口移动到关闭位置提供灌溉和抽吸管道之间基本上流体密封的联接。 致动手柄还设置有用于控制来自远端组件的抽吸和抽吸的组件。 提供具有可拆卸屏幕的近端样品室用于过滤从远端组件吸出的组织样本。 激活钳口以切割组织样品,并且激活冲洗和抽吸装置以将样品移动到样品室中以取出样品,而不从患者移除仪器。