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    • 1. 发明授权
    • Orthodontic digital setups
    • 正畸数字设置
    • US08897902B2
    • 2014-11-25
    • US14000151
    • 2012-02-17
    • Peter SeeRichard E. RabyNicholas A. Stark
    • Peter SeeRichard E. RabyNicholas A. Stark
    • G05B19/18G06F19/00A61C3/00A61C13/08A61C11/00A61C9/00G06T19/00A61C7/00
    • A61C7/002A61C2007/004G06F19/12G06T19/00G06T2210/41G16H50/50
    • Methods for recognizing a virtual tooth surface, defining a virtual tooth coordinate system, and simulating a collision between virtual teeth are provided. Methods include receiving input data specifying a point on the rendered surface model associated with a tooth, deriving a perimeter on the surface model of the tooth, and analyzing the surface model along a plurality of paths outwardly extending from points on the perimeter. Methods also include receiving point input data, receiving axis input data that defines first and second axes associated with the virtual tooth, computing a substantially normal vector for a portion of the tooth surface surrounding the point, and computing a coordinate system. Methods also include receiving permissible movement input data directed to permissible movement of a first virtual tooth, bringing the first virtual tooth into contact with a second virtual tooth, and displaying data resulting from the simulation.
    • 提供了用于识别虚拟牙齿表面,限定虚拟牙坐标系以及模拟虚拟牙齿之间的碰撞的方法。 方法包括接收指定与牙齿相关联的渲染表面模型上的点的输入数据,导出牙齿的表面模型上的周长,以及沿着从周边上的点向外延伸的多个路径来分析表面模型。 方法还包括接收点输入数据,接收轴输入数据,其定义与虚拟齿相关联的第一和第二轴,计算围绕点的牙齿表面的一部分的基本法线向量,以及计算坐标系。 方法还包括接收针对第一虚拟齿的允许移动的允许运动输入数据,使第一虚拟齿与第二虚拟齿接触,以及显示由模拟产生的数据。
    • 2. 发明申请
    • ORTHODONTIC DIGITAL SETUPS
    • 正交数字设置
    • US20130325431A1
    • 2013-12-05
    • US14000151
    • 2012-02-17
    • Peter SeeRichard E. RabyNicholas A. Stark
    • Peter SeeRichard E. RabyNicholas A. Stark
    • A61C7/00
    • A61C7/002A61C2007/004G06F19/12G06T19/00G06T2210/41G16H50/50
    • Methods for recognizing a virtual tooth surface, defining a virtual tooth coordinate system, and simulating a collision between virtual teeth are provided. Methods include receiving input data specifying a point on the rendered surface model associated with a tooth, deriving a perimeter on the surface model of the tooth, and analyzing the surface model along a plurality of paths outwardly extending from points on the perimeter. Methods also include receiving point input data, receiving axis input data that defines first and second axes associated with the virtual tooth, computing a substantially normal vector for a portion of the tooth surface surrounding the point, and computing a coordinate system. Methods also include receiving permissible movement input data directed to permissible movement of a first virtual tooth, bringing the first virtual tooth into contact with a second virtual tooth, and displaying data resulting from the simulation.
    • 提供了用于识别虚拟牙齿表面,限定虚拟牙坐标系以及模拟虚拟牙齿之间的碰撞的方法。 方法包括接收指定与牙齿相关联的渲染表面模型上的点的输入数据,导出牙齿表面模型上的周长,以及沿着从周边上的点向外延伸的多个路径来分析表面模型。 方法还包括接收点输入数据,接收轴输入数据,其定义与虚拟齿相关联的第一和第二轴,计算围绕点的牙齿表面的一部分的基本法线向量,以及计算坐标系。 方法还包括接收针对第一虚拟齿的允许移动的允许运动输入数据,使第一虚拟齿与第二虚拟齿接触,以及显示由模拟产生的数据。
    • 7. 发明授权
    • Computing final occlusion with respect to torque loss in a three-dimensional virtual orthodontic system
    • 在三维虚拟正畸系统中计算关于扭矩损失的最终闭塞
    • US07869983B2
    • 2011-01-11
    • US10990925
    • 2004-11-17
    • Richard E. RabyNicholas A. Stark
    • Richard E. RabyNicholas A. Stark
    • G06F7/60A61C3/00
    • A61C7/12A61C7/002
    • An orthodontic treatment planning system is described that models the effects of torque losses within an orthodontic archwire-appliance system when computing a predicted final occlusion for a dental arch. The treatment planning system models engagement of the archwire with the orthodontic appliances at each appliance position along the length of the archwire. The treatment planning system iteratively determines the twist angle of the archwire at each appliance position along the length of the archwire and incrementally adjusts the orientation and the position of each tooth based on the determined twist angles until the twist angle at each position along the archwire is within a defined tolerance of zero. When the twist angle at each position along the archwire is within a defined tolerance of zero, the archwire is relaxed and a 3D representation of the computed final occlusion of the dental arch may be displayed.
    • 描述了一种正畸治疗计划系统,用于在计算牙弓预测的最终闭塞时,对正畸弓形器具系统内的扭矩损失的影响进行建模。 治疗计划系统模拟弓丝与沿弓线长度的每个器具位置处的正畸器具的啮合。 治疗计划系统迭代地确定沿着弓丝的长度在每个器具位置处的弓丝的扭转角,并基于确定的扭转角度逐渐地调整每个牙齿的取向和位置,直到沿着弓丝的每个位置处的扭转角为 在定义的零公差范围内。 当沿着弓丝的每个位置处的扭转角度在限定的零公差内时,弓丝松弛,并且可以显示计算出的牙弓最终闭塞的3D表示。
    • 8. 发明授权
    • User interface having cross section control tool for digital orthodontics
    • 用户界面具有数字口正畸的横截面控制工具
    • US07731495B2
    • 2010-06-08
    • US11275236
    • 2005-12-20
    • Peter M. EisenbergNicholas A. StarkRichard E. Raby
    • Peter M. EisenbergNicholas A. StarkRichard E. Raby
    • A61C3/00G06F3/048
    • A61C7/00A61C7/002G06T19/00G06T2219/008
    • Techniques are described for providing an environment to model and depict a three-dimensional (3D) representation of a patient's dental arch, i.e., a virtual dental arch, and a separate cross section tool, such as a graphical user interface (GUI), as a visual aid to an orthodontic practitioner for selecting a position of cross section planes relative to the virtual dental arch. The GUI may display a control image and two moveable parallel lines. The position of the parallel lines relative to the control image approximates the position of the cross section planes relative to the virtual dental arch. Thus, by interacting with the GUI, the practitioner is able to change the position of the cross section planes within the 3D environment. Consequently, the practitioner can visualize the cross sections of the virtual dental arch within the 3D environment while selecting the position of the cross section planes.
    • 描述了提供用于建模和描绘患者牙弓(即,虚拟牙弓)的三维(3D)表示以及诸如图形用户界面(GUI)的单独横截面工具的环境的技术,如 对正畸实践者的视觉辅助,用于选择相对于虚拟牙弓的横截面的位置。 GUI可以显示控制图像和两个可移动平行线。 平行线相对于控制图像的位置近似于横截面相对于虚拟牙弓的位置。 因此,通过与GUI交互,从业者能够改变3D环境内的横截面的位置。 因此,在选择横截面的位置的同时,从业者可以在三维环境内可视化虚拟牙弓的横截面。
    • 9. 发明申请
    • DIGITAL ORTHODONTIC APPLIANCE COUPLING MATRIX
    • 数字正交电器耦合矩阵
    • US20090017410A1
    • 2009-01-15
    • US11777350
    • 2007-07-13
    • RICHARD E. RABYOliver L. PuttlerNicholas A. Stark
    • RICHARD E. RABYOliver L. PuttlerNicholas A. Stark
    • A61C3/00
    • A61C7/146A61C7/002A61C7/16B33Y80/00
    • A digital orthodontic treatment planning system provides a practitioner with digital representations of at least a part of a tooth of a patient and at least part of a coupling matrix within a three-dimensional environment. By interacting with the system, orthodontic practitioners are able to visualize a coupling matrix that results from a specific orthodontic appliance position relative to a tooth of the patient's dental arch. The digital representation of the coupling matrix represents a substance, such as a cured adhesive, that connects an orthodontic appliance to a tooth of a patient. The system determines a thickness of at least a portion of the coupling matrix. In one embodiment, the system indicates the total thickness via a thickness map, such as a color-coded thickness map. In another embodiment, the system indicates a deviation from a baseline thickness via a thickness map.
    • 数字正畸治疗计划系统为从业者提供了患者牙齿的至少一部分和三维环境内的耦合矩阵的至少一部分的数字表示。 通过与该系统相互作用,正畸实践者能够将相对于患者牙弓的牙齿的特定矫正器具位置产生的耦合矩阵可视化。 耦合矩阵的数字表示表示将正畸装置连接到患者牙齿的物质,例如固化的粘合剂。 系统确定耦合矩阵的至少一部分的厚度。 在一个实施例中,系统通过厚度图(例如颜色编码的厚度图)来指示总厚度。 在另一个实施例中,系统通过厚度图表示与基线厚度的偏差。