利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

90 条记录 (耗时 0.046 秒)

    Efficient assembling modular locking pedicle screw
    25.
    发明授权
    Efficient assembling modular locking pedicle screw 有权
    高效组装模块化锁定椎弓根螺钉

    公开(公告)号：US06482207B1

    公开(公告)日：2002-11-19

    申请号：US09615381

    申请日：2000-07-13

    申请人： Thomas J. Errico

    发明人： Thomas J. Errico

    IPC分类号： A61B1770

    CPC分类号： A61B17/7041

    摘要： A modular pedicle screw and rod implant assembly includes a shant screw, a rod holding element, a locking member, a rod, and a nut. The shant screw has a lower threaded shaft portion for insertion into the pedicle and a top shaft portion which is unthreaded, a portion of which is tapered. The locking member has a threaded upper portion and a smoothly tapered lower portion. It further includes an axial bore which is similarly tapered at the bottom for seating on the upper portion of the shant screw. This tapered bottom portion is slotted so that it may be expanded or compressed in accordance with a radial force applied thereto. The rod holding element includes two through holes; one for receiving the rod, and the other, transverse to the rod receiving hole, which is tapered. The two holes are overlapping so that when the rod is seated in the first hole and the tapered portion of the locking member is in the second hole the surfaces of the rod and the locking member are in contact. The upper portion of the locking member is threaded, and receives the nut. Tightening of the nut causes the rod and locking member to compress against one another, and for the locking member to compress against the top of the shaft screw, thus locking the assembly together securely.

    摘要翻译： 模块化椎弓根螺钉和杆植入组件包括固定螺钉，杆保持元件，锁定构件，杆和螺母。 固定螺钉具有用于插入椎弓根的下螺纹轴部分和无螺纹的顶部轴部分，其一部分是锥形的。 锁定构件具有螺纹上部和平滑锥形的下部。 它还包括轴向孔，其在底部类似地倾斜，以便安置在固定螺钉的上部。 该锥形底部开槽，使得其可以根据施加到其上的径向力而膨胀或压缩。 杆保持元件包括两个通孔; 一个用于接收杆，另一个横向于杆接收孔，其是锥形的。 两个孔重叠，使得当杆位于第一孔中并且锁定构件的锥形部分在第二孔中时，杆和锁定构件的表面接触。 锁定构件的上部是带螺纹的并且接收螺母。 螺母的紧固导致杆和锁定构件彼此压缩，并且为了使锁定构件压靠在轴螺钉的顶部，从而将组件牢固地锁定在一起。

    Side mounted polyaxial pedicle screw
    26.
    发明授权
    Side mounted polyaxial pedicle screw 失效
    侧面安装多轴椎弓根螺钉

    公开(公告)号：US6063089A

    公开(公告)日：2000-05-16

    申请号：US59162

    申请日：1998-04-13

    申请人： Joseph P. Errico ,  Thomas J. Errico ,  James D. Ralph

    发明人： Joseph P. Errico ,  Thomas J. Errico ,  James D. Ralph

    IPC分类号： A61B17/70

    CPC分类号： A61B17/7041 ,  A61B17/7035

    摘要： A polyaxial orthopedic device for use with rod implant apparatus which includes a screw having a head, a tubular body having holes in the top, side and bottom therof, and a rod coupling element. The head of the screw is disposed in the body with the shaft of the screw extending out the bottom hole, such that the body and the screw may initially rotate relative to one another. The rod coupling element has a ball shaped end which seats in the body with the remainder of the rod coupling element extending out of the side hole of the body, such that the rod coupling element and the body are initially polyaxially coupled relative to one another. The ball end of the rod coupling element is disposed on top of the head of the screw. A set screw is provided in the top of the body, the tightening of which causes the ball, head, and body to be crush locked together, thereby preventing further relative motion.

    摘要翻译： 一种用于杆植入装置的多轴矫形装置，其包括具有头部的螺钉，具有顶部，侧面和底部底部的孔的管状体以及杆联接元件。 螺钉的头部设置在主体中，螺钉的轴延伸出底部孔，使得主体和螺钉可以最初相对于彼此旋转。 杆联接元件具有球形端，其位于主体中，其中杆联接元件的其余部分延伸出主体的侧孔，使得杆联接元件和主体最初彼此相对地多轴耦合。 杆联接元件的球端设置在螺钉头部的顶部。 一个固定螺钉设置在主体的顶部，其紧固使球，头部和主体被压紧在一起，从而防止进一步的相对运动。

    Selectively expandable sacral fixation screw-sleeve device
    28.
    发明授权
    Selectively expandable sacral fixation screw-sleeve device 失效
    可选择扩张的骶骨固定螺钉套装置

    公开(公告)号：US5713904A

    公开(公告)日：1998-02-03

    申请号：US799719

    申请日：1997-02-12

    申请人： Joseph P. Errico ,  Thomas J. Errico ,  James D. Ralph

    发明人： Joseph P. Errico ,  Thomas J. Errico ,  James D. Ralph

    IPC分类号： A61B17/68 ,  A61B17/70 ,  A61B17/86

    CPC分类号： A61B17/686 ,  A61B17/8685 ,  A61B17/7055

    摘要： The present invention is a selectively expandable bone fixation screw-sleeve device which provides substantially greater holding strength in human bone than other bone screw devices. The sleeve element of this invention includes several embodiments, each having at least one corresponding screw element for selectively expanding a portion of the sleeve once it has been inserted into the bone. More specifically, in several embodiments, the sleeve includes a series of vertical slots in the end, or ends, of the cylindrical body of the sleeve. The slots define, therebetween, sections which are contiguous with the remainder of the cylindrical body, and which may rotate radially outward. In these embodiments, the sections are designed having a varying thickness, for example a single or double wedge profile, such that the insertion of the screw element into the sleeve deforms the shape of the sleeve by causing the sections to flair outward. In a different embodiment, the slots, and sections, are designed into the axially intermediate central portion of the cylindrical sleeve, and therefore flair outwardly therefrom upon insertion of a screw within the sleeve. As this invention is intended to provide imporved fixation support for orthopedic implantation assemblies, each embodiment may further include means coupled or integral with the sleeve or screw for coupling an orthopedic implant to it.

    摘要翻译： 本发明是一种选择性可扩张的骨固定螺钉套筒装置，其提供比其他骨螺钉装置在人骨中显着更大的保持强度。 本发明的套筒元件包括几个实施例，每个实施例具有至少一个对应的螺钉元件，用于选择性地将套筒的一部分一旦插入到骨中后扩张。 更具体地，在几个实施例中，套筒在套筒的圆柱体的端部或端部包括一系列垂直槽。 这些槽之间限定与圆筒体的其余部分相邻并且可径向向外旋转的部分。 在这些实施例中，这些部分被设计成具有变化的厚度，例如单个或双楔形轮廓，使得螺钉元件插入到套筒中通过使部分向外发展而使套筒的形状变形。 在不同的实施例中，槽和部分被设计到圆柱形套筒的轴向中间中间部分中，并且因此在将螺钉插入套筒内时从其向外摆动。 由于本发明旨在为整形外科植入组件提供有力的固定支撑，每个实施例还可以包括与用于将矫形植入物联接到其上的套筒或螺钉一体的装置。

    Unitary locking cap for use with a pedicle screw
    29.
    发明授权
    Unitary locking cap for use with a pedicle screw 失效
    单一锁定帽，用于椎弓根螺钉

    公开(公告)号：US5667508A

    公开(公告)日：1997-09-16

    申请号：US641504

    申请日：1996-05-01

    申请人： Thomas J. Errico ,  James D. Ralph ,  Steven Tatar

    发明人： Thomas J. Errico ,  James D. Ralph ,  Steven Tatar

    IPC分类号： A61B17/58 ,  A61B17/70 ,  A61B17/86 ,  A61F2/44

    CPC分类号： A61B17/7032 ,  A61B2017/867

    摘要： A unitary locking cap mechanism, which is used with pedicle screws and other orthopaedic implant devices which couple bones to rods, includes rim and post portions which are rotationally freely coupled to one another to permit independent motion relative to one another. The rim element has a cylindrical body with an open end and a closed end; the closed end alternatively having a concentric hole defined by an inwardly directed flange. In one embodiment, the flange includes a series of slots, dividing into a plurality of wedge-shaped pie sections. In another embodiment, the sidewall of the cylindrical portion of the rim includes an annular recess. The post is a cylindrical shaft having surface elements at one end which provide for mutual engagement with the rim. These surface elements may be deflecting arms which seat into the annular recess of the rim, or an annular recess in the shaft into which the wedge-shaped pie sections of the flange portion may be resiliently snapped into. In an alternative embodiment, the shaft and the rim are coupled together through the concentric hole by a retaining ring which is placed around the shaft, in an annular recess therein, after the insertion of the shaft through the hole. Each embodiment are alternatively designed such that the post or the inner surface of the rim portions are threaded so that it can mate with a threading on the inner or outer upwardly extending, U-shaped channel forming, members of the heads of the pedicle screws.

    摘要翻译： 与椎弓根螺钉和将骨骼连接到杆的其他矫形植入装置一起使用的单一锁定帽机构包括轮缘和后部，其相互旋转地自由联接以允许彼此独立运动。 轮辋元件具有开口端和封闭端的圆柱体; 封闭端可替代地具有由向内指向的凸缘限定的同心孔。 在一个实施例中，凸缘包括一系列狭槽，其分成多个楔形馅饼部分。 在另一个实施例中，边缘的圆柱形部分的侧壁包括环形凹部。 该柱是圆柱形轴，其一端具有表面元件，其提供与轮缘的相互接合。 这些表面元件可以是位于轮辋的环形凹部中的偏转臂或者轴中的环形凹部，凸缘部分的楔形饼形部分可以弹性地卡入其中。 在替代实施例中，轴和边缘通过保持环通过同心孔联接在一起，该保持环在轴插入孔之后围绕轴放置在环形凹部中。 每个实施例可选地设计成使得边缘部分的柱或内表面是螺纹的，使得其可以与形成椎弓根螺钉的头部构件的内部或外部向上延伸的U形通道上的螺纹配合。