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    An apparatus for the fixation of a single-tooth restoration
    2.
    发明公开
    An apparatus for the fixation of a single-tooth restoration 失效
    Vorrichtungfürdie Befestigung eines einzelnen Ersatzzahnes。

    公开(公告)号：EP0291103A1

    公开(公告)日：1988-11-17

    申请号：EP88200317.1

    申请日：1988-02-22

    申请人： Nobelpharma AB

    发明人： Jörneus, Lars ,  Lööf, Lennart ,  Rangert, Bo

    IPC分类号： A61C8/00

    CPC分类号： A61C8/005 ,  A61C8/0054 ,  A61C8/006 ,  A61C8/0068 ,  A61C8/0089

    摘要： The disclosure relates to an apparatus for the fixation of a single-tooth restoration to an implant in the form of an anchorage element (fixture) permanently anchored in the maxillary, comprising a substantially tubular spacer (4) which is anchored to the anchorage element by means of a spacer screw (5) provided with an externally threaded portion (23) which engages in an internally threaded recess (7) in the upper region of the fixture. The spacer screw (5) is provided with an unthreaded waist (25) whose length exceeds the thread diameter of the spacer screw, and has a screw head (20) of comparatively slight diameter and with a planar or gently conical shoulder which cooperates with a corresponding annular shoulder (19) in the tubular spacer (4). The apparatus is mounted in place by means of a double screwdriver whose one part fits the internal counter-abutment in the spacer sleeve (4) and whose other part is caused to engage with the driver slot (24) of the screw head. In the mounting operation, equal, but counter-directed torques are applied to both parts of the screwdriver so that the implant will remain unloaded during the mounting operation proper.

    摘要翻译： 本公开涉及一种用于将永久锚定在上颌骨中的固定单元（固定件）形式的单牙修复体固定到植入物的装置，包括基本上管状的间隔件（4），其通过 设置有外螺纹部分（23）的间隔螺钉（5）的装置，其接合在固定装置的上部区域中的内螺纹凹部（7）中。 间隔螺钉（5）设有长度超过间隔螺丝螺纹直径的无螺纹腰部（25），并具有相对较小直径的螺钉头（20）和平面或轻柔的锥形肩部，其与 管状间隔物（4）中相应的环形肩部（19）。 该装置通过双螺丝刀安装在适当的位置，该双螺丝刀的一部分装配在间隔套筒（4）中的内部相对邻接件，并且其另一部分与螺钉头的驱动器槽（24）啮合。 在安装操作中，螺丝刀的两个部件均施加相反但反向的扭矩，使得植入物在安装操作期间将保持卸载。

    Appliance for implant work on the jaw/dentine or other part of the body
    4.
    发明公开
    Appliance for implant work on the jaw/dentine or other part of the body 失效
    Vorrichtungfüreine Einpflanzarbeit am Kiefer / Zahn oder an anderenKörperteilen。

    公开(公告)号：EP0454639A1

    公开(公告)日：1991-10-30

    申请号：EP91850060.4

    申请日：1991-03-08

    申请人： Nobelpharma AB

    发明人： Lööf, Lennart ,  Maillefer, Pierre-Luc

    IPC分类号： A61C1/14 ,  B23B51/12

    CPC分类号： A61C3/02 ,  A61C1/142 ,  A61C1/145 ,  A61C8/0089 ,  Y10T408/907

    摘要： In connection with implant work on the dentine, use is made of a machining instrument which is provided with an attachment part (31) for attachment to a rotary unit. The machining instrument can alternatively be applied in an extension unit which in turn can be applied to the rotary unit in a corresponding manner to the machining instrument. The extension unit has a thickened central section (17c) which is provided with a recess or opening (24), in which an inclined surface (29) is arranged. In the applied position of a machining instrument, one surface (30) of its attachment part is set against the inclined surface (29). A rotationally-fixed cooperation is present between the extension unit and the machining instrument. Moreover, a locking effect is achieved between the extension unit and the machining instrument as a result of a secure wedging effect obtained by means of the inclined surface. The rotary movement transmitted from the rotary unit to the extension unit is in turn transmitted to the machining instrument, which moreover is secured in the longitudinal displacement direction.

    摘要翻译： 关于在牙质上的植入工作，使用加工仪器，其具有用于附接到旋转单元的附接部分（31）。 加工仪器可以替代地应用在延伸单元中，该延伸单元又可以以与加工仪器相应的方式施加到旋转单元。 延伸单元具有加厚的中心部分（17c），该中心部分设置有凹部或开口（24），倾斜表面（29）布置在该凹部或开口中。 在加工工具的施加位置，其安装部分的一个表面（30）抵靠倾斜表面（29）设置。 在扩展单元和加工仪器之间存在旋转固定的协作。 此外，由于通过倾斜表面获得的牢固的楔入效果，在延伸单元和加工仪器之间实现了锁定效果。 从旋转单元传递到延伸单元的旋转运动又传递到加工仪器，而该加工设备也被固定在纵向位移方向上。