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    • 5. 发明申请
    • Surgical stapling device for performing circular anastomoses
    • 用于执行圆形吻合的外科缝合装置
    • US20080142566A1
    • 2008-06-19
    • US11803817
    • 2007-05-16
    • Richard D. GreshamScott E. ManzoErnest AranyiRobert J. GeisteBruce K. JankowskiKeith Milliman
    • Richard D. GreshamScott E. ManzoErnest AranyiRobert J. GeisteBruce K. JankowskiKeith Milliman
    • A61B17/115
    • A61B17/1155A61B17/115A61B17/34A61B2017/00128A61B2017/07257A61B2017/2905
    • This application is directed to a surgical stapling device for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The handle portion includes a rotatable approximation knob for approximating the anvil and shell assemblies and a firing trigger for actuating a firing mechanism for ejecting staples positioned within the shell assembly. The firing trigger forms one link of a two bar linkage provided to actuate the firing mechanism. The anvil assembly includes a tiltable anvil which will tilt automatically after firing of the device and unapproximating the anvil and shell assemblies. The head portion also includes a retractable trocar assembly which is slidably positioned within an anvil retainer and is automatically advanced and retracted upon attachment and detachment of the anvil assembly onto the anvil retainer. A lockout tube is provided and is positioned about an anvil retainer for releasably engaging an anvil assembly. The lockout tube prevents inadvertent detachment of the anvil assembly from the anvil retainer. The surgical stapling device also includes a firing lockout assembly which prevents actuation of the firing trigger until an anvil has been attached to the device and the anvil has been approximated. In one preferred embodiment, the firing lockout assembly includes a trigger lock and a safety bracket which prevents movement of the trigger lock from a locked to an unlocked position until an anvil has been attached to the device and approximated and returns the trigger lock to a locked position after the device has been fired. A tactile indication mechanism is also provided for notifying a surgeon that the device has been fired and for notifying a surgeon that the anvil head has been unapproximated a distance sufficient to permit the anvil head to tilt.
    • 该应用涉及用于执行圆形吻合的外科缝合装置。 外科缝合装置包括手柄部分,细长主体部分和包括砧座组件和壳体组件的头部部分。 手柄部分包括用于近似砧座和壳体组件的可旋转近似旋钮,以及用于致动用于排出位于壳体组件内的缝钉的击发机构的击发触发器。 击发触发器形成两个连杆的一个连杆,用于致动击发机构。 砧座组件包括可倾斜的砧座,该砧座将在装置点火之后自动倾斜并且使砧座和壳体组件不接近。 头部还包括可伸缩套管针组件,其可滑动地定位在砧座保持器内,并且在将砧组件附接和拆卸到砧座保持器上时自动前进和缩回。 锁定管被设置并且围绕砧座保持器定位以可释放地接合砧座组件。 锁定管防止砧组件从砧座保持器的意外脱离。 外科缝合装置还包括击发锁定组件,其防止触发触发器的致动,直到砧已经附接到装置并且砧已被近似。 在一个优选实施例中,击发锁定组件包括触发锁和安全支架,其防止触发锁从锁定位置移动到解锁位置,直到砧座已经附接到装置并近似并且将触发器锁定回锁定 设备启动后的位置。 还提供了一种触觉指示机构,用于通知外科医生该装置已经被点燃,并且通知外科医生砧座头未被近距离足以允许砧头倾斜的距离。
    • 8. 发明授权
    • Surgical stapling device for performing circular anastomoses
    • 用于执行圆形吻合的外科缝合装置
    • US07234624B2
    • 2007-06-26
    • US11208667
    • 2005-08-22
    • Richard D. GreshamScott E. ManzoErnest AranyiRobert J. GeisteBruce K. JankowskiKeith Milliman
    • Richard D. GreshamScott E. ManzoErnest AranyiRobert J. GeisteBruce K. JankowskiKeith Milliman
    • A61B17/00A61B17/34
    • A61B17/1155A61B17/115A61B17/34A61B2017/00128A61B2017/07257A61B2017/2905
    • This application is directed to a surgical stapling device for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The handle portion includes a rotatable approximation knob for approximating the anvil and shell assemblies and a firing trigger for actuating a firing mechanism for ejecting staples positioned within the shell assembly. The firing trigger forms one link of a two bar linkage provided to actuate the firing mechanism. The anvil assembly includes a tiltable anvil which will tilt automatically after firing of the device and unapproximating the anvil and shell assemblies. The head portion also includes a retractable trocar assembly which is slidably positioned within an anvil retainer and is automatically advanced and retracted upon attachment and detachment of the anvil assembly onto the anvil retainer. A lockout tube is provided and is positioned about an anvil retainer for releasably engaging an anvil assembly. The lockout tube prevents inadvertent detachment of the anvil assembly from the anvil retainer. The surgical stapling device also includes a firing lockout assembly which prevents actuation of the firing trigger until an anvil has been attached to the device and the anvil has been approximated. In one preferred embodiment, the firing lockout assembly includes a trigger lock and a safety bracket which prevents movement of the trigger lock from a locked to an unlocked position until an anvil has been attached to the device and approximated and returns the trigger lock to a locked position after the device has been fired. A tactile indication mechanism is also provided for notifying a surgeon that the device has been fired and for notifying a surgeon that the anvil head has been unapproximated a distance sufficient to permit the anvil head to tilt.
    • 该应用涉及用于执行圆形吻合的外科缝合装置。 外科缝合装置包括手柄部分,细长主体部分和包括砧座组件和壳体组件的头部部分。 手柄部分包括用于近似砧座和壳体组件的可旋转近似旋钮,以及用于致动用于排出位于壳体组件内的缝钉的击发机构的击发触发器。 击发触发器形成两个连杆的一个连杆,用于致动击发机构。 砧座组件包括可倾斜的砧座,该砧座将在装置点火之后自动倾斜并且使砧座和壳体组件不接近。 头部还包括可伸缩套管针组件,其可滑动地定位在砧座保持器内,并且在将砧组件附接和拆卸到砧座保持器上时自动前进和缩回。 锁定管被设置并且围绕砧座保持器定位以可释放地接合砧座组件。 锁定管防止砧组件从砧座保持器的意外脱离。 外科缝合装置还包括击发锁定组件,其防止触发触发器的致动,直到砧已经附接到装置并且砧已被近似。 在一个优选实施例中,击发锁定组件包括触发锁和安全支架,其防止触发锁从锁定位置移动到解锁位置,直到砧座已经附接到装置并近似并且将触发器锁定回锁定 设备启动后的位置。 还提供了一种触觉指示机构,用于通知外科医生该装置已经被点燃,并且通知外科医生砧座头未被近距离足以允许砧头倾斜的距离。