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    • 1. 发明授权
    • Tool changer
    • 换刀器
    • US5194061A
    • 1993-03-16
    • US851625
    • 1992-03-16
    • Karl LechleiterThomas HeinlHelmut Heel
    • Karl LechleiterThomas HeinlHelmut Heel
    • B23Q3/155
    • B23Q3/1554Y10T483/176Y10T483/1767
    • A tool changer comprises a support (7) movable parallel to the axis (A or B) of a tool holder, a pivoting head (8) which pivots on the support (7) about an axis of rotation (D), and two gripper arms (9, 10) arranged on the head (8) substantially radially with respect to the axis of rotation, their free ends each carrying a gripper (11). The free ends of the gripper arms (9, 10) are so inclined relative to the axis of rotation (D) that the two tool axes (W1, W2) of the tools (5, 6) engaged by the grippers (11) and the axis of rotation (D) intersect in a single point (P), and so that the tool axes (W1, W2) of the tools (5, 6) engaged by the grippers (11) diverge from the axis of rotation (D) towards their holding ends (5a, 6a). Each of the tool axes (W1, W2) includes an acute angle (.alpha.) of about 10.degree. to 30.degree. with the axis of rotation (D). The axis of rotation (D) is so arranged in the support (7) that it intersects the axis (A or B) of the tool holder (4) during the change and includes an angle (.alpha.) with this axis which corresponds to the acute angle (.alpha.).
    • 刀具更换器包括可平行于工具保持器的轴线(A或B)移动的支撑件(7),围绕支承件(7)围绕旋转轴线(D)枢转的枢转头部(8),以及两个夹持器 臂(9,10)相对于旋转轴线大致径向布置在头部(8)上,其自由端各自承载夹具(11)。 夹持臂(9,10)的自由端相对于工具(5,6)的两个工具轴线(W1,W2)与夹具(11)啮合的旋转轴线(D)相对倾斜, 旋转轴线(D)在单点(P)处相交,使得由夹具(11)接合的工具(5,6)的工具轴线(W1,W2)从旋转轴线(D )朝向其保持端(5a,6a)。 刀具轴(W1,W2)中的每一个包括具有旋转轴线(D)的约10°至30°的锐角(α)。 旋转轴线(D)被布置在支撑件(7)中,其在变化期间与工具架(4)的轴线(A或B)相交,并且包括与该轴线对应的角度(α) 锐角(α)。
    • 5. 发明授权
    • Set of surgical instruments for joining bone fragments
    • 一套用于连接骨碎片的手术器械
    • US4903691A
    • 1990-02-27
    • US5718
    • 1987-01-21
    • Thomas Heinl
    • Thomas Heinl
    • A61B17/00A61B17/80A61B17/88
    • A61B17/8085A61B17/88A61B2017/0069
    • This invention concerns a set of surgical instruments for joining bone fragments (osteosynthesis) by screw fastening, especially in the case of cranial, facial, vertebral or hand fractures, comprising several plates of different shapes and curvatures and with holes and/or several screws and/or a screwdriver 8 and/or a bending instrument and/or a depth gauge and/or a drill and/or a cutting instrument. Special designs of said plates, screws and also said screwdriver 8 are given, whereby the latter comprises a blade 10, coaxially and movably a collet 11 with, at the lower end, radial, spring-supported jaws 15 and on said collet 11 an axially slidable retaining sleeve 12, which in its lowermost position presses said jaws 15 inwards.
    • 本发明涉及用于通过螺钉紧固来连接骨碎片(骨接合术)的一组手术器械,特别是在颅骨,面部,椎骨或手部骨折的情况下,包括不同形状和曲率的几个板,并且具有孔和/或几个螺钉, /或螺丝起子8和/或弯曲仪器和/或深度计和/或钻和/或切割仪器。 给出所述板,螺钉和所述螺丝刀8的特殊设计,由此后者包括刀片10,同轴且可移动地具有夹头11,其在下端具有径向弹簧支撑的夹钳15,并且在所述夹头11上具有轴向 可滑动的保持套12在其最下位置向内挤压所述夹爪15。