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公开(公告)号：US6090110A
公开(公告)日：2000-07-18
申请号：US839540
申请日：1997-04-14
CPC分类号： A61B17/7037 , A61B17/7008 , A61B17/7032 , A61B17/7038
摘要： An apparatus for bracing a plurality of vertebrae of the human spine has at least two pedicle screws, each having an annular head with an opening therewithin and including a slot therewithin. Each slot extends into the corresponding opening and includes internal threaded portions. A securing screw to be screwed in each slot is provided. A relatively stiff threaded rod is also provided and is to be inserted into the opening in the head of each of the pedicle screws and to be secured by the securing screws. Adjusting nuts are screwed on the rod and at least one cooperates with each head.
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2.发明授权
公开(公告)号：US4648388A
公开(公告)日：1987-03-10
申请号：US793901
申请日：1985-11-01
申请人： Arthur D. Steffee
发明人： Arthur D. Steffee
CPC分类号： A61B17/7005 , A61B17/7041 , A61B17/701 , Y10T403/4614
摘要： An apparatus and method is provided to maintain vertebrae in a desired relationship. The apparatus includes a rod, a plurality of clamps, and a plurality of fastener assemblies. The method involves inserting threaded members into openings in a displaced vertebra and at least one vertebra on each side of the displaced vertebra. A clamp is placed on each fastener. The rod is bent to correspond to a desired spinal curvature and inserted into the clamps. A nut is tightened on each threaded member to hold the clamp to each vertebra and to press the clamp against the rod to hold the rod against axial and rotational movement.
摘要翻译： 提供了一种设备和方法来将椎骨保持在期望的关系。 该装置包括杆，多个夹具和多个紧固件组件。 该方法包括将螺纹构件插入位移椎骨中的开口中，并且在移位的椎骨的每一侧上至少有一个椎骨。 夹具放置在每个紧固件上。 杆被弯曲以对应于期望的脊柱弯曲并插入到夹具中。 在每个螺纹构件上拧紧螺母以将夹具保持在每个椎骨上并且将夹具压靠在杆上以将杆抵抗轴向和旋转运动。
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公开(公告)号：US4479491A
公开(公告)日：1984-10-30
申请号：US401845
申请日：1982-07-26
申请人： Felix M. Martin
发明人： Felix M. Martin
CPC分类号： A61B17/70 , A61B17/7074 , A61B17/7071 , A61F2/442
摘要： An intervertebral stabilization implant is described including an elongated central portion and a pair of reverse wings disposed at an angle of between 75.degree. and 80.degree. with respect to the elongated central portion of the implant. The method of utilizing the implant is also disclosed including exposing the pre-vertebral space as would be done in a Cloward's procedure. The vertebral disks below the luxating vertebra is widely resected, avoiding if at all possible the use of the intervertebral spreader. The A-P diameter of the vertebral bodies are measured and the intervertebral stabilizing implant of proper length is elected taking into account a small correction of the luxation of up to 2 millimeters maximum, which would upset the compression effect of the retaining wings over soft tissue and bone. The implant is inserted sideways, utlizing no force. After the posterior wing is barely in the canal it is rotated 90.degree. so that the posterior wing rests behind the lower vertebra and the superior or anterior wing is in front of the reduced vertebra.
摘要翻译： 描述了椎间稳定植入物，其包括相对于植入物的细长中心部分以75°至80°的角度设置的细长中心部分和一对反向翼。 还公开了利用植入物的方法，包括如在Cloward的程序中进行的暴露前椎体空间。 椎骨下方的椎盘被广泛切除，避免了尽可能使用椎间盘。 测量椎体的AP直径，并选择适当长度的椎间稳定植入物，考虑到最大2毫米的松弛度的小修正，这将破坏保持翼在软组织和骨骼上的压缩作用 。 植入物侧向插入，不施力。 后翼几乎不在运河中，其旋转90°，后翼位于下椎骨后方，上翼或前翼位于椎骨前。
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4.发明授权
公开(公告)号：US4459985A
公开(公告)日：1984-07-17
申请号：US472335
申请日：1983-03-04
CPC分类号： A61F2/461 , A61F2002/4619 , A61F2002/4628
摘要： An extractor for dislodging an implanted tibial prosthesis comprising substantially parallel upper and lower members joined by a yoke, with the lower member comprising a pair of forked blades to insert under the tibial component and the upper member being adapted to receive means for applying upward dislodging force.
摘要翻译： 一种用于移除植入的胫骨假体的提取器，包括由轭架连接的基本上平行的上部和下部构件，下部构件包括一对叉形叶片以插入到胫骨部件下方，并且上部构件适于接收用于施加向上移动力的装置 。
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公开(公告)号：US4441563A
公开(公告)日：1984-04-10
申请号：US317151
申请日：1981-11-02
CPC分类号： B23B45/001 , A61B17/162 , B23B31/201 , A61B17/1626
摘要： A power tool, such as a surgical drill, has a tool element retained in a collet coupled to the output spindle of the tool. Resilient member constantly maintains the collet in its closed position. Upon rotation of the spindle in a reverse direction, opposite to its normal driving direction, a cam is actuated to open the collet against the force of the resilient member, thereby facilitating removal of the tool element from the collet. Preferably, the tool is of the cordless type and has a reversible electric motor controlled by a pair of triggers mounted on the pistol-grip handle for the tool. The triggers are conveniently disposed adjacent to each other and are easily distinguishable from one another, thereby providing for a convenient one-hand operation of the tool.
摘要翻译： 诸如外科手术钻头的电动工具具有保持在联接到工具的输出心轴的夹头中的工具元件。 弹性部件不断将夹头保持在关闭位置。 当主轴在与其正常驱动方向相反的相反方向旋转时，致动凸轮以克服弹性构件的力打开夹头，从而便于从夹头移除工具元件。 优选地，该工具是无绳型的，并且具有由安装在用于该工具的手枪把手上的一对触发器控制的可逆电动机。 触发器方便地彼此相邻设置并且容易地彼此区分，从而为工具提供方便的单手操作。
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公开(公告)号：US4401112A
公开(公告)日：1983-08-30
申请号：US308016
申请日：1981-10-02
申请人： Seyed M. Rezaian
发明人： Seyed M. Rezaian
CPC分类号： A61F2/44 , A61B17/0642 , A61B17/7059 , A61B17/8061 , A61B17/809 , A61B2017/0641 , A61F2002/30411 , A61F2002/3051 , A61F2002/3055 , A61F2002/30601 , A61F2002/30777 , A61F2002/30841 , A61F2220/0025
摘要： A spinal fixator is in the form of a turnbuckle the end sections of which terminate as circular flat plates formed with upwardly and downwardly protruding spikes for engaging in the bone of respective vertebrae above and below a broken vertebra. Following decompression of the spinal cord, the fixator is inserted and extended to engage the spikes in the respective vertebrae and thereafter holds the spinal cord decompressed.
摘要翻译： 脊柱固定器是螺丝扣的形式，其末端部分终止于形成有向上和向下突出的尖钉的圆形平板，用于接合破碎的椎骨上方和下方的相应椎骨的骨骼。 在脊髓减压之后，固定器被插入并延伸以接合相应椎骨中的钉，并且此后使脊髓减压。
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公开(公告)号：US4341206A
公开(公告)日：1982-07-27
申请号：US104824
申请日：1979-12-18
申请人： T. Robert Perrett , Franz Sutter , Paul Gisin
发明人： T. Robert Perrett , Franz Sutter , Paul Gisin
CPC分类号： A61B17/1721 , A61B17/746 , A61B17/848 , A61B2090/036 , A61B2090/062
摘要： A tool for forming a stepped blind hole in bone for receipt of a fracture reducing and stabilizing surgical implant. The tool comprises a small diameter drill portion axially adjustable with respect to a larger diameter reamer portion. A conical portion includes cutting surfaces to chamfer the entrance of the hole and also includes non-cutting portions which serve to limit penetration of the tool into the bone. The tool is cannulated to allow its use in conjunction with a previously installed Kirschner guide wire.
摘要翻译： 用于在骨中形成阶梯式盲孔以接收骨折减少和稳定手术植入物的工具。 该工具包括相对于较大直径的铰刀部分可轴向调节的小直径钻头部分。 锥形部分包括切割表面以倒角孔的入口，并且还包括用于限制工具穿入骨骼的非切割部分。 该工具被插入以允许其与先前安装的克氏针导线一起使用。
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公开(公告)号：US4219015A
公开(公告)日：1980-08-26
申请号：US897370
申请日：1978-04-18
申请人： Samuel Steinemann
发明人： Samuel Steinemann
CPC分类号： A61B17/80 , A61B17/8014
摘要： The invention relates to an elongate plate for osteosynthesis. The plate comprises at least two screw holes and a respective hole-free longitudinal section separating each neighboring pair of the screw holes. A spacing, perpendicular to the longitudinal direction of the plate, between two mutually opposite surfaces of at least two sections containing the screw holes is greater than that between two mutually opposite surfaces of the hole-free sections. The plate exhibits at least in the region of the screw holes a bending resistance amount W=I/e along a plane extending substantially centrally of the plate in the longitudinal direction of the plate and intersecting substantially perpendicularly that surface of the plate which is intended to rest on a bone. The bending resistance moment W=I/e lies between a lower and an upper limiting value, the lower limiting value being at most 30% smaller than the upper limiting value, wherein I is the polar moment of inertia, and e is the maximum value of the distance of the outline bounding the cross-sectional area from a neutral surface of the plate.
摘要翻译： 本发明涉及一种用于骨接合术的细长板。 板包括至少两个螺钉孔和分开每个相邻的一对螺钉孔的相应的无孔纵向部分。 垂直于板的纵向方向的间隔在包含螺孔的至少两个部分的两个相互相对的表面之间大于无孔部分的两个彼此相对的表面之间的间隔。 至少在螺钉孔的区域中，沿着板的纵向基本上在板的中心延伸的平面的弯曲阻力量W = I / e，并且基本垂直于板的表面相交，该平面旨在 坐在骨头上 弯曲阻力矩W = I / e位于下限值和上限值之间，下限值比上限值小30％以下，其中I为极坐标惯性矩，e为最大值 从与板的中性表面划分横截面积的轮廓的距离。
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公开(公告)号：US4124026A
公开(公告)日：1978-11-07
申请号：US795682
申请日：1977-05-11
CPC分类号： A61F2/4607 , A61B17/164 , A61F2/36
摘要： An artificial hinge pin having a self-cutting threaded portion is inserted into a prepared bone with reduced reaction moment by a hand-held power tool which imposes a rotary oscillating movement on the pin during the insertion process. The tool has an output shaft driven by an overriding ratchet type coupling providing repeated impacts to the output shaft. A plurality of elastic rods connected to the output shaft are arranged coaxially around the shaft and are anchored to a rotary brake disk. Braking force on the disk is controlled by an adjustable compression spring. The eigenfrequency of the elastic system comprising the rods and output shaft may be adjusted to the impact frequency of the ratchet coupling.
摘要翻译： 具有自切螺纹部分的人造铰链销通过手持式电动工具以缩小的反作用力矩插入准备好的骨头中，该手持式电动工具在插入过程中在销上施加旋转摆动运动。 该工具具有由超越棘轮式联轴器驱动的输出轴，为输出轴提供反复冲击。 连接到输出轴的多个弹性杆同轴地布置在轴上并且被锚固到旋转制动盘。 盘上的制动力由可调压缩弹簧控制。 包括杆和输出轴的弹性系统的本征频率可以被调节到棘轮联轴器的冲击频率。
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公开(公告)号：US4029091A
公开(公告)日：1977-06-14
申请号：US603562
申请日：1975-08-11
CPC分类号： A61B17/80
摘要： An Osteosynthesis plate for application to a fractured bone across a fractured site thereof by screws applied to said bone through screw holes of said plate, wherein resilient means is provided between at least two screw holes spaced in a longitudinal dimension of said plate, to allow for a limited movement of the said holes in respect to each other under the action of externally generated forces, which may be magnetic, the freedom of movement being restricted essentially to a direction parallel to said longitudinal dimension.
摘要翻译： 一种骨整合板，其用于通过所述板的螺孔施加到所述骨头上的螺钉穿过其断裂部位的骨折骨，其中弹性装置设置在所述板的纵向尺寸间隔开的至少两个螺钉孔之间，以允许 在外部产生的力的作用下，所述孔相对于彼此的有限运动，其可以是磁性的，运动的自由度基本上被限制在平行于所述纵向尺寸的方向上。
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