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    SURGICAL MILLING CUTTER
    2.
    发明授权
    SURGICAL MILLING CUTTER 有权

    公开(公告)号：EP2644135B1

    公开(公告)日：2018-08-01

    申请号：EP11843389.5

    申请日：2011-09-15

    申请人： Chongqing Ruzer Pharmaceutical Co., Ltd.

    发明人： YE, Lei ,  ZHOU, Jian ,  FENG, Hua ,  LI, Fei ,  ZHU, Hengyang ,  LI, Congxiao

    IPC分类号： A61B17/32 ,  A61B17/16

    CPC分类号： A61B17/16 ,  A61B17/162 ,  A61B17/1622 ,  A61B17/1624 ,  A61B17/32002 ,  A61B2017/1602

    摘要： The invention discloses a surgical milling cutter including a milling cutter bracket, a locking apparatus, a locking seat and a bottom main machine connected sequentially. It is characterized in that the milling cutter bracket includes a retaining seat (1-1) with a through hole. A finger guide (1-4) with an L-shaped bracket on the top of the finger guide is disposed at the upper part of the retaining seat (1-1), and a downward protrusion (1-9) is disposed at the end of the short side (1-8) of the L-shaped bracket. The lowest point of the protrusion (1-9) is lower than the lowest point of a cylindrical bit (1-10) during normal operation of the milling cutter. A bolt (1-3) with a through hole at its center is fixed in the cavity of the finger guide (1-4). A pressing plate (1-7) is disposed at the upper part of the retaining seat (1-1), and a nut (1-6) passes through the hole of the pressing plate (1-7) to connect to a bolt (1-3). The invention adopts the protrusion to prevent an object from contacting the cylindrical bit, thus to avoid cutting the object unevenly. Additionally, the finger guide may drive the L-shaped bracket to rotate to change the motion direction of the milling cutter, which facilitates the operation.

    CRANIOTOMY DRILL
    3.
    发明授权
    CRANIOTOMY DRILL 有权
    电脑刻线机

    公开(公告)号：EP2623047B1

    公开(公告)日：2018-05-09

    申请号：EP11828031.2

    申请日：2011-08-24

    申请人： CHONGQING RUZER PHARMACEUTICAL CO., LTD.

    发明人： YE, Lei ,  ZHOU, Jian ,  FENG, Hua ,  LI, Fei ,  ZHU, Hengyang ,  LI, Congxiao

    IPC分类号： A61B17/16

    CPC分类号： A61B17/1695 ,  A61B17/162 ,  A61B17/1626 ,  A61B17/1628

    摘要： A cranial drill comprises a main machine, a reducer and a locking seat that are successively threadedly connected, wherein a drill transmission rod interconnected to the output shaft of the reducer is inserted in the locking seat. The main machine comprises a handle (1) in the lower portion, and a containing part (2) in the upper portion having a stator and rotor (5) of a DC electric motor provided therein, the wall (4) of the containing part defining the housing of the stator of the DC electric motor. This cranial drill is simple in structure with the wall (4) of the containing part (2) defining the housing of the stator of the electric motor, thus the volume and the weight are reduced. It is safe in operation, without the risk of the electric motor falling out. And its waterproof performance is good, utilizing materials and processes of waterproof technology and an integrative design.