Arthroplasty Implants
    3.
    发明申请
    Arthroplasty Implants 审中-公开
    关节成形术植入物

    公开(公告)号:US20170020678A1

    公开(公告)日:2017-01-26

    申请号:US15218051

    申请日:2016-07-24

    IPC分类号: A61F2/42

    摘要: Arthroplasty implants replace an articulating surface of a bone joint such as bone joints of the foot, and is characterized by a three-component device comprising a bone screw, a button, and a cap. The button incorporates knurling on its distal end to fixate onto bone, a center hole, a spherical pocket to mate with the bone screw for stabilization, and a proximal retention structure to mate with the cap. The bone screw incorporates distal bone (cortical) threads or threading, a spherical head, and a drive structure used to insert the bone screw through the hole of the button and into the bone (e.g. a distal segment of the first metatarsal). The cap incorporates a distal mating structure that retains the cap onto the button, a proximal smooth spherical head that mates with the distal surface of the bone (e.g. a phalange bone), and a tang that prevents rotation after implantation.

    摘要翻译: 关节成形术植入物代替骨关节(例如脚的骨关节)的关节表面,其特征在于包括骨螺钉,按钮和帽的三组件装置。 该按钮在其远端上结合滚花以固定在骨头上,中心孔,球形口袋与骨螺钉配合以进行稳定,以及近端保持结构以与盖匹配。 骨螺钉包括远端骨(皮质)螺纹或螺纹,球形头部和用于将骨螺钉穿过按钮的孔并进入骨骼(例如第一跖骨的远侧部分)的驱动结构。 该盖包括将帽保持在按钮上的远侧配合结构,与骨的远端表面(例如,趾骨)配合的近端光滑球形头部,以及防止植入后旋转的柄部。

    IMPLANTABLE HALLUX JOINT ASSEMBLY WITH SPHERICAL INTER-SUPPORT
    7.
    发明申请
    IMPLANTABLE HALLUX JOINT ASSEMBLY WITH SPHERICAL INTER-SUPPORT 有权
    可伸缩的HALLUX接头组件与球形支撑

    公开(公告)号:US20130090740A1

    公开(公告)日:2013-04-11

    申请号:US13630052

    申请日:2012-09-28

    IPC分类号: A61F2/42

    摘要: A multi-component hallux joint assembly incorporated into reconditioned end surfaces established between an upper metatarsal bone and an opposing lower proximal phalanx bone. A first component is anchored into a reconditioned end surface of the metatarsal bone and exhibits a first exposed support surface. A second component is likewise anchored into a reconditioned end surface of the proximal phalanx and exhibits a second exposed support surface. A spherical shaped intermediate component is supported in at least one of eccentric or rotational fashion between the first and second anchored components.

    摘要翻译: 一个多组分的拇指关节组合体,其组合在上跖骨和相对的下近端指骨骨之间建立的修复端面中。 第一部件被锚定到跖骨的修复的端面中并且展现出第一暴露的支撑表面。 第二部件同样锚定在近侧指骨的修复的端表面中并且展现出第二暴露的支撑表面。 球形中间部件以第一和第二锚定部件之间的偏心或旋转方式中的至少一个被支撑。

    METATARSAL BONE IMPLANT
    10.
    发明申请

    公开(公告)号:US20100262254A1

    公开(公告)日:2010-10-14

    申请号:US12421480

    申请日:2009-04-09

    IPC分类号: A61F2/42

    摘要: A metatarsal implant (212) for insertion into a stem aperture (25) in a metatarsal (14) bone of a foot and to form a joint with the proximal phalanx (16) of the great toe, includes a head (226) and a stem (228). The head (226) includes an articular joint engaging surface (232) and an opposed, bone engaging surface (230). The stem (228) cantilevers away from the bone engaging surface (230), and is adapted to be inserted into the stem aperture (25). The stem (228) can have a stem axis (228A) that is at an angle (234) of between approximately 45 and 75 degrees relative to the bone engaging surface (230). The stem axis (228A) can also be at an angle (266) of between approximately 40 and 80 degrees relative to a tangential reference line (234) drawn from the articular joint engaging surface (232). In one embodiment, the stem axis (228A) is at an angle (266) of between approximately 50 and 70 degrees relative to the tangential reference line (234) of the articular joint engaging surface (232).

    摘要翻译: 用于插入脚的跖骨(14)中的杆孔(25)并与大脚趾的近侧指骨(16)形成关节的跖骨植入物(212)包括头部(226)和 茎(228)。 头部(226)包括关节接合表面(232)和相对的骨接合表面(230)。 所述杆(228)悬臂离开所述骨接合表面(230),并且适于插入所述杆孔(25)中。 杆(228)可以具有相对于骨接合表面(230)处于大约45度和75度之间的角度(234)的杆轴线(228A)。 茎轴(228A)也可以相对于从关节关节接合表面(232)拉出的切线参考线(234)处于大约40和80度之间的角度(266)。 在一个实施例中,杆轴线(228A)相对于关节关节接合表面(232)的切线参考线(234)处于大约50度和70度之间的角度(266)。