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1. 发明授权

US5300071A Pelvic stabilizer 失效
标题翻译：骨盆稳定剂
公开(公告)号：US5300071A
公开(公告)日：1994-04-05
申请号：US977490
申请日：1992-11-17
申请人： Bruce D. Browner , Richard H. Clewett
发明人： Bruce D. Browner , Richard H. Clewett
IPC分类号： A61B17/64 , A61F5/04
CPC分类号： A61B17/6433
摘要： A pelvic stabilizer for quickly stabilizing fractures of the human pelvis and preventing excessive blood loss. The pelvic stabilizer comprises first and second curved arms which are rotatably attached to each other at first ends by an adjustable locking mechanism. The locking mechanism permits free second ends of the first and second curved arms to be adjustably spaced from each other. A first mounting pin and a second mounting pin are adjustably attached at the second ends of the first and second curved arms respectively.
摘要翻译：用于快速稳定人体骨盆骨折并防止过度失血的骨盆稳定器。骨盆稳定器包括第一和第二弯曲臂，其通过可调节的锁定机构在第一端处可旋转地彼此连接。锁定机构允许第一和第二弯曲臂的自由的第二端彼此可调节地间隔开。第一安装销和第二安装销分别可调节地附接在第一和第二弯曲臂的第二端。

2. 发明授权

US5334204A Fixation screw 失效
标题翻译：固定螺丝
公开(公告)号：US5334204A
公开(公告)日：1994-08-02
申请号：US924315
申请日：1992-08-03
申请人： Richard H. Clewett , Claude O. Pering , Daniel B. Sharitz
发明人： Richard H. Clewett , Claude O. Pering , Daniel B. Sharitz
IPC分类号： A61B17/86 , A61B17/56
CPC分类号： A61B17/8625
摘要： A fixation screw for attaching to a bone has at least one flute which traverses the proximal portion of the thread to form reverse cutting faces on the thread at the proximal portion. The cutting faces are arranged to cut the bone when the screw is rotated in a reverse rotational direction to ease in withdrawal of the screw. The flute forms a first plane containing the cutting faces on the thread and the axis of rotation of the screw. A base surface is formed by the flute forwardly of the cutting faces when the screw is rotated in a reverse direction. The base surface includes a rotational portion at the root diameter of the thread and a planar portion in a plane tangential to the rotational portion and arranged so that a substantial portion of the cutting face is axially offset from the leading thread to thereby engage the bone. Additionally or optionally, the thread is tapered at the proximal end to form a reverse self-tapping thread.
摘要翻译：用于附接到骨头的固定螺钉具有至少一个穿过线的近端部分的槽，以在近端部分处的线上形成反向切割面。切割面被布置成当螺杆沿反向旋转方向旋转时切割骨头以便于螺钉的退出。凹槽形成包含螺纹上的切割面和螺钉的旋转轴线的第一平面。当螺钉沿相反方向旋转时，基面由切削面向前的槽形成。基面包括在螺纹的根直径处的旋转部分和与旋转部分相切的平面中的平面部分，并且被布置成使得切割面的大部分从引导螺纹轴向偏移，从而接合骨骼。另外或可选地，螺纹在近端是锥形的以形成反向自攻螺纹。

3. 发明授权

US5306278A Corticotomy drill guide 失效
标题翻译：皮质切开钻子指南
公开(公告)号：US5306278A
公开(公告)日：1994-04-26
申请号：US944211
申请日：1992-09-11
申请人： Mark T. Dahl , Richard H. Clewett
发明人： Mark T. Dahl , Richard H. Clewett
IPC分类号： A61B17/17 , A61F5/04
CPC分类号： A61B17/17 , A61B17/1732 , Y10T408/98
摘要： A drill guide for use in corticotomy procedures includes a head having a first end forming tines for penetrating and gripping the bone, a second end generally opposite the first end, and a plurality of drill guide passages extending between the first and second ends. The drill guide passages are arranged at different angles to permit a drill bit to bore into the cortex at different angles and different depths to form a circumferential region of weakened cortex. In use, the drill guide is positioned on the bone at a selected fracture site and a drill bit is operated through selected guide passages to bore into the cortex at the fracture site, thereby weakening a circumferential region of the cortex. Any remaining cortex is broken to complete the corticotomy procedure.
摘要翻译：用于皮质切开术的钻子引导件包括头部，其具有形成用于穿透和夹持骨骼的齿的第一端，与第一端大致相对的第二端，以及在第一和第二端之间延伸的多个钻子引导通道。钻子引导通道以不同的角度布置，以允许钻头以不同的角度和不同的深度钻入皮质以形成削弱的皮层的圆周区域。在使用中，钻子导向器位于选定断裂部位的骨骼上，钻头通过选定的引导通道进行操作，以在断裂部位进入皮层，从而削弱皮层的周边区域。任何剩余的皮质被破坏以完成皮质切开术。

4. 发明授权

US5749872A Keyed/keyless barrel for bone plates 失效
标题翻译：骨板键盘/无钥匙筒
公开(公告)号：US5749872A
公开(公告)日：1998-05-12
申请号：US525853
申请日：1995-09-08
申请人： Richard F. Kyle , Richard H. Clewett , Drew D. Wright
发明人： Richard F. Kyle , Richard H. Clewett , Drew D. Wright
IPC分类号： A61B17/74 , A61B17/80 , A61B17/58
CPC分类号： A61B17/746 , A61B17/809
摘要： A fixator for internally fixating bone fractures includes an elongate plate portion, a head portion and a barrel extending from the head portion. The elongate plate portion defines at least one plate aperture extending through the plate for receiving bone screws to fasten the fixator to a shaft of a bone. The barrel extends from the head portion and has a generally cylindrical inner surface configured for slidably receiving an end of both keyed and non-keyed lag screws. The cylindrical inner surface further defines at least one keyway along a length of the tube for receiving a key of a keyed lag screw to prevent rotation of the keyed lag screw and for also allowing rotation of a non-keyed lag screw.
摘要翻译：用于内部固定骨折的固定器包括细长板部分，头部部分和从头部部分延伸的筒体。细长板部分限定延伸穿过板的至少一个板孔，用于接收骨螺钉，以将固定器固定到骨的轴上。枪管从头部延伸并且具有大致圆柱形的内表面，该内表面被配置为可滑动地接收有键和非键锁定螺钉的端部。圆柱形内表面还沿着管的长度进一步限定至少一个键槽，用于接收钥匙扣螺钉的钥匙，以防止钥匙扣螺钉的旋转，并且还允许非钥匙拉杆螺钉的旋转。

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