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22. 发明授权

US07481347B2 Pneumatic powered surgical stapling device 有权
标题翻译：气动动力手术吻合装置
公开(公告)号：US07481347B2
公开(公告)日：2009-01-27
申请号：US10528851
申请日：2003-10-06
申请人： Philip C. Roy
发明人： Philip C. Roy
IPC分类号： A61B17/10
CPC分类号： A61B17/07207 , A61B17/0686 , A61B17/072 , A61B17/115 , A61B17/1155 , A61B2017/0046 , A61B2017/00477 , A61B2017/00544 , Y10S227/902
摘要： A surgical stapler which includes or onto which a tool assembly can be mounted for deforming a plurality of surgical fasteners through and fastening tissue includes a housing having a fixed handle and a clamping handle mountable to the housing. The clamping handle is selectively movable relative to the fixed handle from a first position in spaced relation relative to the fixed handle to a second position closer to the fixed handle to actuate the clamping of tissue. An adapter yoke is included which translates within the housing upon actuation of the clamping handle. The adapter yoke mechanically cooperates with a lead screw to actuate the tool assembly to clamp tissue. A drive assembly is also included for rotating a shaft which mechanically engages the lead screw. Upon selective activation of the drive assembly, the shaft rotates the lead screw to advance a roll nut and force a firing piston into the tool assembly to deform the surgical fasteners through and fasten the tissue.
摘要翻译：包括或其上可安装工具组件以用于使多个外科紧固件变形并固定组织的手术吻合器包括具有固定手柄的壳体和可安装到壳体的夹紧手柄。夹持手柄相对于固定手柄从相对于固定手柄间隔开的第一位置可选择性地移动到靠近固定手柄的第二位置，以致动组织夹紧。包括适配器轭，其在夹紧手柄的致动时在壳体内平移。适配器轭与导螺杆机械地协作以致动工具组件以夹紧组织。还包括用于旋转机械地接合丝杠的轴的驱动组件。在选择性地激活驱动组件时，轴旋转导螺杆以推进滚动螺母并且迫使击发活塞进入工具组件以使外科紧固件变形，并使组织变形。

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