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公开(公告)号：US20130079789A1
公开(公告)日：2013-03-28
申请号：US13548661
申请日：2012-07-13
IPC分类号： A61B17/17
CPC分类号： A61B17/1767 , A61F2/3877 , A61F2002/30225
摘要： A patella drilling system includes a clamp and a patella drill guide. The clamp includes an arm with a pointed tip that is received in a dimple on the surface of the patella drill guide and another arm with a bone-gripping member spaced from the tip. The clamp is used to hold the patella drill guide firmly against the resected posterior surface of the patella while the surgeon drills into the patella to form holes for mounting pegs on the implant. The clamp may allow the patella drill guide to be pivoted while clamped so that the orientations of the guide bores may be optimized. The system includes an optional cap that may be used on the pointed tip of the clamp to hold the implant firmly in place while the bone cement sets.
摘要翻译： 髌骨钻孔系统包括夹具和髌骨钻子引导器。 夹具包括具有尖端的臂，所述臂被接收在髌骨钻子引导器的表面上的凹坑中，而另一个臂具有与尖端间隔开的骨抓握构件。 夹钳用于将髌骨钻子导向器牢固地夹持在髌骨的切除的后表面上，同时外科医生钻进髌骨以形成用于将钉固定在植入物上的孔。 夹具可以允许髌骨钻子引导器在夹紧的同时枢转，使得引导孔的取向可以被优化。 该系统包括可选的帽，其可以用在夹具的尖端上，以便在骨粘固剂固定时将植入物牢固地固定在适当的位置。
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公开(公告)号：US20130184712A1
公开(公告)日：2013-07-18
申请号：US13548676
申请日：2012-07-13
IPC分类号： A61B17/17
CPC分类号： A61B17/1767 , A61B17/158
摘要： A patella resection assembly comprises a handle, slide member and two claw members. The slide member is movably mounted on the handle and includes two diverging arms. Inner edges of the diverging arms contact outer edges of the claw members so that distal movement of the slide member causes the claw members to move toward each other and close around a patella. The claw members and slide member have teeth for grasping the patella as the claw members move together. The claw members also have flat co-planar surfaces for guiding the path of a saw blade during resection of the patella.
摘要翻译： 髌骨切除组件包括手柄，滑动构件和两个爪构件。 滑动构件可移动地安装在手柄上并且包括两个发散臂。 发散臂的内边缘接触爪构件的外边缘，使得滑动构件的远端运动导致爪构件朝向彼此移动并围绕髌骨闭合。 当爪构件一起移动时，爪构件和滑动构件具有用于抓握髌骨的齿。 爪构件还具有平坦的共平面，用于在髌骨切除期间引导锯片的路径。
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公开(公告)号：US20130079787A1
公开(公告)日：2013-03-28
申请号：US13548598
申请日：2012-07-13
IPC分类号： A61B17/56
CPC分类号： A61B17/1767 , A61F2/3877 , A61F2/4684 , A61F2002/30225 , A61F2002/30227 , A61F2002/30616 , A61F2002/30878 , A61F2002/30892
摘要： A patella drill guide includes a base portion rotatably mounted on a bone-gripping component. A trial portion with a contoured articulation surface is above the base portion. The base portion and trial portion have aligned drill guide bores. The base portion and trial portion can be rotated together on the bone-gripping component to optimize the positions of the drill guide bores with respect to the patella surface, thereby optimizing the locations of the mounting pegs of the patella implant component on the patella to optimize the orientation of the patella implant component. The base and the bone-gripping component may be unitary so that the entire assembly rotates on the patella about the central longitudinal axis of the bone-gripping component.
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公开(公告)号：US20130079784A1
公开(公告)日：2013-03-28
申请号：US13548628
申请日：2012-07-13
申请人： THOMAS P. VAIL , ABRAHAM P. WRIGHT
发明人： THOMAS P. VAIL , ABRAHAM P. WRIGHT
IPC分类号： A61B17/90
CPC分类号： A61B17/158 , A61B2017/00464
摘要： A patella resection assembly comprises a modular handle and claw member. The claw member is reversibly mountable on the handle so that the same modules may be used to resect the patellae of both the right and the left knees. The handle has an adjustable member that carries a bone-gripping member. Linear movement of the adjustable member allows the same patella resection assembly to be used to securely grip patellae of various sizes.
摘要翻译： 髌骨切除组件包括模块化手柄和爪部件。 爪构件可逆地安装在手柄上，使得可以使用相同的模块来切除左膝和膝盖的髌骨。 手柄具有可调节构件，其承载骨抓握构件。 可调节构件的线性运动允许使用相同的髌骨切除组件来牢固地夹紧各种尺寸的髌骨。
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