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    • 15. 发明授权
    • Surgical stapling device
    • 手术吻合装置
    • US07802712B2
    • 2010-09-28
    • US12408435
    • 2009-03-20
    • Keith L. MillimanRussell Heinrich
    • Keith L. MillimanRussell Heinrich
    • A61B17/10
    • A61B17/1114A61B1/31A61B17/02A61B17/115A61B17/1155A61B2017/00469A61B2017/00473A61B2017/2927A61B2017/2931
    • A surgical stapling device is disclosed for the treatment of internal hemorrhoids. 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 head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator.
    • 公开了用于治疗内痔的外科缝合装置。 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。 头部包括砧座组件,该砧组件包括可倾斜的砧座,该砧座将在该装置被点火并且未被近似之后自动倾斜。 可倾斜的砧座提供减小的砧座轮廓,以在执行吻合过程之后减少在装置移除期间的创伤。 装订装置的砧座组件可以包括近似机构,其具有砧座保持器,该砧座保持器包括细长的远端延伸部,其尺寸可伸缩地容纳在砧座组件的砧座中心杆的纵向孔内。 细长的远端延伸部具有能够与砧座中心杆伸缩接合的长度,而不会妨碍手术部位的可视化。 还公开了一种包括具有可移除砧座组件和砧座组件插入手柄的手术器械的套件。 该套件还可以包括窥器,肛门拨号器和/或闭塞器。
    • 18. 发明申请
    • SURGICAL STAPLING DEVICE
    • 外科手术装置
    • US20090250502A1
    • 2009-10-08
    • US12487008
    • 2009-06-18
    • Keith L. Milliman
    • Keith L. Milliman
    • A61B17/115
    • A61B17/068A61B17/072A61B17/1155A61B17/32053A61B2017/00367A61B2017/00473A61B2017/07214A61B2017/0725A61B2017/07257A61B2090/0814
    • A surgical stapling device including a self-righting anvil assembly is disclosed. The anvil assembly includes an anvil center rod and a pivotable anvil head. The surgical stapling device includes an anvil retainer assembly having a locking member in the form of a trocar for moving the anvil head from its tilted position to its operative position upon attachment of the anvil assembly to the stapling device. A cam member is provided to retain the locking member in a first or locked position and, thus, the anvil head in the operative position until after the stapling device has been fired. In another embodiment, a tiltable anvil assembly for use with a surgical stapling device is disclosed. The anvil assembly includes a center rod and a head assembly which is pivotally secured to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movably positioned about the post from a first position preventing pivotal movement of the head assembly to a second position permitting pivotal movement of the head assembly. A retainer member is positioned between the backup member and the housing to prevent movement of the backup member from its first position to its second position until a predetermined force has been applied to the backup member. In another embodiment, a passive lockout mechanism is disclosed which is operably associated with a trigger lock on the handle assembly of the surgical stapling device. The passive lockout mechanism is positioned to prevent movement of the anvil assembly in relation to the shell assembly of the device from an approximated position to an unapproximated position when the trigger lock is in an unlocked position.
    • 公开了一种包括自立式砧座组件的外科缝合装置。 砧组件包括砧座中心杆和可枢转砧头。 外科缝合装置包括砧座保持器组件,其具有套管针形式的锁定构件,用于在将砧座组件附接到缝合装置时将砧座头从其倾斜位置移动到其操作位置。 凸轮构件被设置成将锁定构件保持在第一或锁定位置,并且因此将砧座头保持在操作位置,直到缝合装置被点火。 在另一个实施例中,公开了一种与外科缝合装置一起使用的可倾斜砧组件。 砧座组件包括中心杆和枢转地固定到中心杆的头部组件。 头组件包括壳体,柱,砧板和支撑构件。 支撑构件从第一位置围绕柱移动定位,从而防止头部组件的枢转运动到允许头部组件枢转运动的第二位置。 保持构件定位在支撑构件和壳体之间,以防止支撑构件从其第一位置移动到其第二位置,直到预定的力已经施加到支撑构件。 在另一个实施例中,公开了一种被动闭锁机构,其被可操作地与外科缝合装置的手柄组件上的触发器锁相关联。 被动锁定机构被定位成防止当触发器锁处于解锁位置时,砧座组件相对于装置的壳体组件从近似位置到未近似位置的移动。