Method and apparatus for recording medical objects, in particular for recording models of prepared teeth
    1.
    发明授权
    Method and apparatus for recording medical objects, in particular for recording models of prepared teeth 有权
    用于记录医疗物品的方法和装置,特别是用于记录准备好的牙齿的模型

    公开(公告)号:US06614538B1

    公开(公告)日:2003-09-02

    申请号:US09690754

    申请日:2000-10-18

    IPC分类号: G01B1124

    CPC分类号: A61C13/0004 A61C9/0053

    摘要: An apparatus for recording medical objects, in particular for recording models of prepared teeth, comprising a position-sensitive sensor (2), which is movable in the projection direction, with a projection unit and a receiving unit (13-15; 18-21), and with a certain triangulation angle (&agr;) located between the projection path of the rays (10) of the projection unit (13-15) and the observation path of the rays (11) of the receiving unit (18-21), and with the projection path of the rays (10) aligned parallel to the direction of movement of the sensor (2), is realized for the accurate recording action of edges and steep surfaces of the type that occur in tooth cavities with a triangulation angle (&agr;) that is smaller than 10°, preferably smaller than 5°.

    摘要翻译: 一种用于记录医疗物品的装置,特别是用于记录准备好的牙齿的模型,包括可在投影方向上移动的位置敏感传感器(2),其具有投影单元和接收单元(13-15; 18-21 ),并且具有位于投影单元(13-15)的射线(10)的投影路径与接收单元(18-21)的射线(11)的观察路径之间的一定的三角测角(α) ,并且随着平行于传感器(2)的移动方向排列的光线(10)的投影路径被实现为用于具有三角测角的在牙齿腔中出现的类型的边缘和陡峭表面的精确记录动作 (α)小于10°,优选小于5°。

    Device to align and mount a workpiece on a holding device
    2.
    发明授权
    Device to align and mount a workpiece on a holding device 失效
    将工件对准和安装在固定装置上的装置

    公开(公告)号:US06427352B1

    公开(公告)日:2002-08-06

    申请号:US09558212

    申请日:2000-04-26

    IPC分类号: A61C1904

    摘要: Holding device for aligning and mounting a workpiece in an apparatus includes a receiving opening (6) provided for the holding device (20; 30), means (7) for positioning the holding device disposed in the receiving opening (6) for determination of the position of the holding device in relation to the receiving opening, wherein the holding device (20; 30) is connected with a workpiece carrier (21; 31), wherein the workpiece carrier (21; 31) is adjustable relative to the holding device, and wherein optical means (8; 11-17) are provided for viewing of the workpiece and thereby alignment of the workpiece on the holding device is performed.

    摘要翻译: 用于将工件对准和安装在设备中的保持装置包括:为保持装置(20; 30)设置的接收开口(6);用于定位设置在接收开口(6)中的保持装置的装置(7) 所述保持装置相对于所述接收开口的位置,其中所述保持装置(20; 30)与工件载体(21; 31)连接,其中所述工件载体(21; 31)相对于所述保持装置是可调节的, 并且其中设置有用于观察工件的光学装置(8; 11-17),从而执行工件在保持装置上的对准。

    Dental machining device and method for monitoring sealing elements in dental machining devices
    4.
    发明授权
    Dental machining device and method for monitoring sealing elements in dental machining devices 有权
    牙科加工装置及牙科加工装置密封元件监测方法

    公开(公告)号:US08127420B2

    公开(公告)日:2012-03-06

    申请号:US12010792

    申请日:2008-01-30

    申请人: Thomas Hasenzahl

    发明人: Thomas Hasenzahl

    IPC分类号: B23Q17/00 A61C1/00

    摘要: A dental machining device (1) having at least one shaft (2) which projects into a machining chamber (4) and is displaceable in both axial and radial directions includes a sealing element (7) having at least two axially spaced sealing lips (8, 9) bearing against the shaft (2) in its peripheral direction and enclosing an annular chamber (10) with the shaft (2). At least one fluid conduit (11) opens into the annular chamber (10) to supply a fluid (16) thereto. A pressure sensor (14) is provided for detecting a state variable of the fluid, which is detected and held ready for transmission to a control unit (14″).

    摘要翻译: 一种牙科加工装置(1),具有突出到加工腔(4)中并可在轴向和径向方向上移动的至少一个轴(2),包括密封元件(7),其具有至少两个轴向隔开的密封唇 ,9)在其周向方向上抵靠所述轴(2)并且与所述轴(2)包围环形室(10)。 至少一个流体导管(11)通向环形室(10),以向其提供流体(16)。 设置有用于检测被检测并保持准备好传输到控制单元(14“)的流体的状态变量的压力传感器(14)。

    Dental machining unit with tool spindle
    5.
    发明申请
    Dental machining unit with tool spindle 有权
    带刀具主轴的牙科加工单元

    公开(公告)号:US20080226409A1

    公开(公告)日:2008-09-18

    申请号:US12010791

    申请日:2008-01-30

    申请人: Thomas Hasenzahl

    发明人: Thomas Hasenzahl

    IPC分类号: B23C1/00

    摘要: The present invention relates to dental machining apparatus (1) for blanks (3) comprising a tool spindle (2) having an axis of rotation (2.8) and mounted in a bearing housing (1.2) disposed on the machine housing side. A force sensor (5) is also provided, which is disposed between the tool spindle (2) and the bearing housing (1.2) for the purpose of detecting the machining force acting on the tool spindle (2), wherein the tool spindle (2) can be supported against the bearing housing (1.2) directly or indirectly via the force sensor (5).

    摘要翻译: 本发明涉及一种用于坯料(3)的牙科加工设备(1),其包括具有旋转轴线(2.8)的工具主轴(2),并安装在设置在机器壳体侧的轴承壳体(1.2)中。 还设置有力传感器(5),其设置在工具主轴(2)和轴承壳体(1.2)之间,用于检测作用在工具主轴(2)上的加工力,其中工具主轴(2) )可以通过力传感器(5)直接或间接地支撑在轴承壳体(1.2)上。

    Dental machining device and method for monitoring sealing elements in dental machining devices
    7.
    发明申请
    Dental machining device and method for monitoring sealing elements in dental machining devices 有权
    牙科加工装置及牙科加工装置密封元件监测方法

    公开(公告)号:US20080233536A1

    公开(公告)日:2008-09-25

    申请号:US12010792

    申请日:2008-01-30

    申请人: Thomas Hasenzahl

    发明人: Thomas Hasenzahl

    IPC分类号: A61C1/00

    摘要: The invention relates to dental machining device (1) having at least one shaft (2) which projects into a machining chamber (4) and is displaceable in both axial and radial directions, and having a sealing element (7) for sealing the shaft (2), wherein the sealing element (7) exhibits at least two axially spaced sealing lips (8, 9) bearing against the shaft (2) in its peripheral direction and enclosing an annular chamber (10) with the shaft (2), at least one fluid conduit (11) opening into the annular chamber (10) to supply a fluid (16) thereto, and means (14) for detecting a state variable of the fluid.The invention further relates to a method for monitoring such sealing elements, by means of which a state variable of the fluid (16) is detected and held ready for transmission to a control unit (14″).

    摘要翻译: 本发明涉及一种牙科加工装置(1),其具有至少一个突出到加工腔(4)中的轴(2)并且可在轴向和径向方向上移动的轴(2),并且具有用于密封轴的密封元件(7) 其中密封元件(7)在其周向方向上具有至少两个轴向隔开的密封唇(8,9),该密封唇(8,9)以轴(2)为轴承,并且与轴(2)包围环形室(10) 至少一个通向所述环形室(10)中以便向其供应流体(16)的流体导管(11),以及用于检测所述流体的状态变量的装置(14)。 本发明还涉及一种用于监测这种密封元件的方法,通过该密封元件检测并保持流体(16)的状态变量准备好传输到控制单元(14“)。