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    • 5. 发明申请
    • LAPAROSCOPIC SUTURING INSTRUMENT WITH COAXIAL DRIVE SHAFTS
    • 具有同轴驱动器的LAPAROSCOPIC SUTURING仪器
    • WO2013158622A1
    • 2013-10-24
    • PCT/US2013/036752
    • 2013-04-16
    • ETHICON ENDO-SURGERY, INC.
    • WOODARD, James A., Jr.LESKO, Jason R.WHITE, William J.MARTIN, David T.BRICKNER, Aaron J.
    • A61B17/04A61B17/062
    • A61B17/0469A61B17/0491A61B17/0625A61B2017/00734A61B2017/0608A61B2017/061
    • A suture needle driving instrument (10) comprises a shaft assembly (100), an end effector (200), and a grasping actuation assembly (20). The end effector is located at the distal end of the shaft assembly and includes a pair of grasping arms (210,250). Each grasping arm comprises a respective pair of jaws (220,230,260,270). Each pair of jaws is operable to cooperate to grasp and release a suture needle (50). The grasping actuation assembly is operable to drive one jaw of each pair in one direction while simultaneously driving the other jaw of the pair in an opposite direction, to selectively grasp or release the suture needle. The shaft assembly includes two pairs of parallel concentric shafts (240,244,280,284), which form part of the actuation assembly. Each shaft pair is operable to drive a respective internal drive shaft having separate threaded regions (246,248,286,288) with opposing pitch. The instrument may be used through a trocar during minimally invasive surgery. The instrument may include a handpiece (22) with an integral motor (28). The drive assembly is operable to drive the end effector assembly via the shaft assembly. The drive assembly is operable to convert a single rotary input into at least two rotary outputs. In some versions, the drive assembly comprises a plurality of shaft assemblies that include an input shaft, a first output shaft, a second output shaft, and a third output shaft. The drive assembly is operable to selectively rotate and hold the shaft assemblies in accordance with a predetermined sequence, such as to perform tissue suturing through a trocar in a minimally invasive surgical procedure.
    • 缝合针驱动器(10)包括轴组件(100),端部执行器(200)和抓握致动组件(20)。 末端执行器位于轴组件的远端,并且包括一对把持臂(210,250)。 每个抓握臂包括相应的一对夹爪(220,230,260,270)。 每对钳口可操作以配合以抓住和释放缝合针(50)。 抓握致动组件可操作以在一个方向上驱动每对的一个钳口,同时沿相反方向驱动该对的另一个钳口,以选择性地抓住或释放缝合针。 轴组件包括两对平行的同心轴(240,244,280,284),其形成致动组件的一部分。 每个轴对可操作以驱动具有相对间距的具有单独螺纹区域(246,248,286,288)的相应内部驱动轴。 在微创手术中可以通过套管针使用该器械。 仪器可以包括具有一体式马达(28)的手持件(22)。 驱动组件可操作以经由轴组件驱动端部执行器组件。 驱动组件可操作以将单个旋转输入转换成至少两个旋转输出。 在一些形式中,驱动组件包括多个轴组件,其包括输入轴,第一输出轴,第二输出轴和第三输出轴。 驱动组件可操作以根据预定顺序选择性地旋转和保持轴组件,例如以微创外科手术通过套管针进行组织缝合。
    • 8. 发明申请
    • LAPAROSCOPIC SUTURING INSTRUMENT WITH RACK DRIVE
    • LAPAROSCOPIC SUTURING仪器与机架驱动器
    • WO2013138269A1
    • 2013-09-19
    • PCT/US2013/030345
    • 2013-03-12
    • ETHICON ENDO-SURGERY, INC.
    • MARTIN, David T.BRIK, RobertDICKERSON, Benjamin D.
    • A61B17/04A61B17/06
    • A61B17/0469A61B17/0482A61B2017/00398A61B2017/06052A61B2017/2913A61B2017/2923A61B2017/2936
    • A suture needle driving instrument comprises a shaft, an end effector, and a handle assembly. The end effector is located at the distal end of the shaft and includes a pair of grasping arms having a respective pair of jaws driven by a respective drive shaft. Each pair of jaws is operable to cooperate to grasp and release a suture needle. The handle assembly includes a control assembly that is operable to rotate the drive shafts to transfer the suture needle between the grasping arms. In some versions, the control assembly may include an actuatable rack (600). The rack may include one or more control features (610) that selectively rotate the drive shafts as the rack is actuated. The rack may further include cam surfaces (558, 588, 598) to selectively restrict the motion of the drive shafts as the rack is actuated. In some versions the rack may actuate vertically.
    • 缝合针驱动装置包括轴,端部执行器和手柄组件。 末端执行器位于轴的远端,并且包括一对夹持臂,其具有由相应的驱动轴驱动的相应的一对夹爪。 每对钳口可操作以配合以抓住和释放缝合针。 手柄组件包括控制组件,其可操作以使驱动轴旋转以将缝合针转移到抓握臂之间。 在一些版本中,控制组件可以包括致动架(600)。 机架可以包括一个或多个控制特征(610),其在机架被致动时选择性地旋转驱动轴。 齿条还可以包括凸轮表面(558,558,598),以在齿条致动时选择性地限制驱动轴的运动。 在某些版本中,机架可以垂直启动。