公开(公告)号：EP2753263B1

公开(公告)日：2017-08-30

申请号：EP12756117.3

申请日：2012-09-05

申请人： VDW GmbH

发明人： BORGSCHULTE, Markus ,  LAPO, Vitali

IPC分类号： A61C1/06 ,  A61C5/40

CPC分类号： A61C1/003 ,  A61C1/0023 ,  A61C1/06 ,  A61C1/14 ,  A61C1/186 ,  A61C5/40 ,  A61C5/42 ,  A61C5/44

摘要： A dental handpiece for the endodontic treatment of a root canal, comprising (i) a chuck for attaching and holding an endodontic file; (ii) an electric motor having a shaft for driving the endodontic file; (iii) a control unit for controlling the motor, which receives a stream of input data; characterized in that while monitoring the stream of input data, the control unit determines the current absorbed by the electric motor, and controls the motor so that the file alternates the direction of rotation at a frequency of from 1 to 20 Hz between a first direction and a second direction opposite to the first direction, and whereby the control unit controls the electric motor so that the file continuously rotates in the second direction when the monitored data fulfils a predetermined torque threshold condition during rotation in the first direction.

摘要翻译： 一种用于牙根管的根管治疗的牙科手持件，包括：（i）用于附接和保持牙髓锉的夹头; （ii）具有用于驱动牙髓锉的轴的电动机; （iii）控制单元，用于控制接收输入数据流的电机; 其特征在于，在监视所述输入数据流的同时，所述控制单元确定由所述电动机吸收的电流，并且控制所述电动机使得所述文件在第一方向和第二方向之间以1至20Hz的频率交替旋转方向 与所述第一方向相反的第二方向，并且由此所述控制单元控制所述电动机，使得当在所述第一方向上旋转期间所述监视数据满足预定扭矩阈值条件时，所述锉沿所述第二方向连续旋转。

公开(公告)号：EP2567671A1

公开(公告)日：2013-03-13

申请号：EP11007352.5

申请日：2011-09-09

申请人： VDW GmbH

发明人： Borgschulte, Markus ,  Vitali, Lapo

IPC分类号： A61C5/02 ,  A61C1/00

CPC分类号： A61C1/003 ,  A61C1/0023 ,  A61C1/06 ,  A61C1/14 ,  A61C1/186 ,  A61C5/40 ,  A61C5/42 ,  A61C5/44

摘要： A dental handpiece for the endodontic treatment of a root canal, comprising
(i) a chuck for attaching and holding an endodontic file;
(ii) an electric motor having a shaft for driving the endodontic file;
(iii) a control unit for controlling the motor, which receives a stream of input data;

characterized in that while monitoring the stream of input data, the control unit determines the current absorbed by the electric motor, and controls the motor so that the file alternates the direction of rotation at a frequency of from 1 to 20 Hz between a first direction and a second direction opposite to the first direction, and whereby the control unit controls the electric motor so that the file continuously rotates in the second direction when the monitored data fulfils a predetermined torque threshold condition during rotation in the first direction.

摘要翻译： 用于牙根管治疗根管的牙齿手柄，包括（i）用于附接和保持根管锉的卡盘; （ii）具有用于驱动牙根管文件的轴的电动机; （iii）用于控制马达的控制单元，其接收输入数据流; 其特征在于，在监视输入数据流的同时，控制单元确定由电动机吸收的电流，并控制电动机，使得文件以1至20Hz的频率在第一方向和 与所述第一方向相反的第二方向，并且由此所述控制单元控制所述电动机，使得当所述监视数据在所述第一方向旋转期间满足预定转矩阈值条件时，所述文件在所述第二方向上连续旋转。

公开(公告)号：EP1589894A1

公开(公告)日：2005-11-02

申请号：EP04705408.5

申请日：2004-01-27

申请人： VDW GmbH

发明人： MÜLLER, Peter

IPC分类号： A61C3/02 ,  A61B17/16

CPC分类号： A61C3/02 ,  A61B2090/037 ,  A61B2090/0803 ,  A61C5/42

摘要： Disclosed is a rotary medical or dental instrument (1), especially a drill, milling cutter, file, or similar. Said instrument (1) comprises a shaft (5) for disposing the instrument (1) in a driving part and an instrument part (2) that adjoins the shaft (5). A specific number of markings (6) corresponding to the maximum number of uses of the instrument (1) are provided on the shaft (5). Said markings (6) are provided in such a way that they are removable. One of the markings is removed each time after using the instrument such that the remaining number of markings (6) indicate how many more times the instrument (1) can be used. The instrument is worn out once the last marking (6) has been removed, allowing the instrument (1) to be discarded.

摘要翻译： 植入钻头（1）具有圆柱形柄（5），其具有点或线形式的彩色标签（6），以指示刀具的应用量。

公开(公告)号：EP3064165A1

公开(公告)日：2016-09-07

申请号：EP15157112.2

申请日：2015-03-02

申请人： VDW GmbH

发明人： Herrmann, Markus ,  Vogel, Kolja

IPC分类号： A61C1/06 ,  A61C5/02

CPC分类号： A61C1/003 ,  A61C1/0015 ,  A61C1/06 ,  A61C5/40 ,  A61C2204/002

摘要： Cordless endodontic handpiece (1) with a rotary and reciprocating operating mode for driving an endodontic instrument in an endodontic treatment, comprising:
(a) an elongated housing (10) having a proximal end (11) and a distal end (12); the housing containing
(a1) a controller (21);
(a2) a rechargeable battery (30) provided distally adjacent to the controller (21);
(a3) a power electronic device (22) provided distally adjacent to the rechargeable battery (30); and
(a4) a motor (40) provided distally adjacent to and contacting the power electronic device (22);

the handpiece further comprising
(b) a reduction gear (50) provided distally adjacent to the motor (40);
wherein
- the reduction gear (50) has a reduction gear ratio of at most 12 :1,
- the motor has a torque constant in the range of from 2 to 10 mNm/A; and
- the motor has a phase to phase resistance in the range of from 0.05 Ω to 3.0 Ω.

摘要翻译： 1.一种用于在牙髓治疗中驱动牙髓根治器具的旋转和往复操作模式的无绳牙根管手柄（1），包括：（a）具有近端（11）和远端（12）的细长壳体（10） 所述壳体包含（a1）控制器（21）; （a2）与控制器（21）相邻设置的可再充电电池（30）; （a3）在与所述可再充电电池（30）相邻的远侧设置的电力电子设备（22）; 和（a4）电动机（40），其远离所述电力电子设备（22）并与其接触; 所述手持件还包括（b）远离所述马达（40）设置的减速齿轮（50）; 其中 - 所述减速齿轮（50）具有至多12:1的减速比， - 所述电动机的转矩常数在2至10mNm / A的范围内; 和 - 电动机的相位相位电阻范围为0.05©至3.0©。

公开(公告)号：EP2753263A1

公开(公告)日：2014-07-16

申请号：EP12756117.3

申请日：2012-09-05

申请人： VDW GmbH

发明人： BORGSCHULTE, Markus ,  LAPO, Vitali

IPC分类号： A61C5/02 ,  A61C1/00

CPC分类号： A61C1/003 ,  A61C1/0023 ,  A61C1/06 ,  A61C1/14 ,  A61C1/186 ,  A61C5/40 ,  A61C5/42 ,  A61C5/44

摘要： A dental handpiece for the endodontic treatment of a root canal, comprising (i) a chuck for attaching and holding an endodontic file; (ii) an electric motor having a shaft for driving the endodontic file; (iii) a control unit for controlling the motor, which receives a stream of input data; characterized in that while monitoring the stream of input data, the control unit determines the current absorbed by the electric motor, and controls the motor so that the file alternates the direction of rotation at a frequency of from 1 to 20 Hz between a first direction and a second direction opposite to the first direction, and whereby the control unit controls the electric motor so that the file continuously rotates in the second direction when the monitored data fulfils a predetermined torque threshold condition during rotation in the first direction.

摘要翻译： 用于牙根管治疗根管的牙齿手柄，包括（i）用于附接和保持根管锉的卡盘; （ii）具有用于驱动牙根管文件的轴的电动机; （iii）用于控制马达的控制单元，其接收输入数据流; 其特征在于，在监视输入数据流的同时，所述控制单元确定由所述电动机吸收的电流，并且控制所述电动机，使得所述文件以1至20Hz的频率在第一方向和 与所述第一方向相反的第二方向，并且由此所述控制单元控制所述电动机，使得当所述监视数据在所述第一方向旋转期间满足预定转矩阈值条件时，所述文件在所述第二方向上连续旋转。

公开(公告)号：EP3439542A1

公开(公告)日：2019-02-13

申请号：EP17717368.9

申请日：2017-04-07

申请人： VDW GmbH

发明人： ERTL, Thomas ,  KARAZIVAN, Naim ,  SAVIC, Alexander

IPC分类号： A61B5/00 ,  A61B5/026

公开(公告)号：EP2829254A1

公开(公告)日：2015-01-28

申请号：EP13003712.0

申请日：2013-07-24

申请人： VDW GmbH

发明人： Peric, Borislava

IPC分类号： A61C19/04 ,  G01N21/95

CPC分类号： G01N21/95 ,  A61C5/42 ,  A61C19/00 ,  A61C19/04 ,  G01N21/01 ,  G01N21/9515

摘要： The present invention relates to an apparatus (100) for visualizing features and/or defects of a dental instrument having a longitudinal axis, the apparatus comprising:
(a) a holder (with the rigid structure 20) having
(a1) an image background surface (12), and
(a2) a holding means (with the abutment 141) for positioning a dental instrument adjacent to the image background surface (12);
(b) means for arranging the image background surface (12)of the holder in a predetermined position relative to a digital camera (30), whereby, when the image background surface (12) is arranged in a predetermined position relative to the digital camera (30), the apparatus defines an optical path between the image background surface (12)and the digital camera (30), and the holding means may receive and hold the dental instrument in a predetermined position in the optical path adjacent to the image background surface (12).

摘要翻译： 本发明涉及一种用于可视化具有纵向轴线的牙科器械的特征和/或缺陷的设备（100），该设备包括：（a）保持器（具有刚性结构20），其具有（a1）图像背景表面 （12），和（a2）用于将牙科器械定位在图像背景表面（12）附近的保持装置（具有抵接件141）; （b）用于将支架的图像背景表面（12）布置在相对于数字照相机（30）的预定位置的装置，由此当图像背景表面（12）相对于数字照相机布置在预定位置时 （30）中，该设备限定图像背景表面（12）和数字照相机（30）之间的光路，并且保持装置可以将牙科器械接收并保持在邻近图像背景的光路中的预定位置 表面（12）。

公开(公告)号：EP2438884B1

公开(公告)日：2013-02-13

申请号：EP10013364.4

申请日：2010-10-06

申请人： VDW GmbH

发明人： Borgschulte, Markus

IPC分类号： A61C5/02 ,  A61C1/00

CPC分类号： A61C1/0007 ,  A61C1/003 ,  A61C5/40 ,  A61C5/42

摘要： The present invention provides a system for the endodontic treatment of a root canal, comprising (i) an endodontic instrument; (ii) an endodontic handpiece having a drive motor for rotating the endodontic instrument releasably attached to the handpiece; (iii) a control unit for controlling the rotation of the endodontic instrument according to one or more predetermined rotational sequences; the rotational sequences comprising reciprocating the endodontic instrument by continuously sequentially rotating the endodontic instrument in a first direction followed by reversing the direction of rotation so that 0.5 �¢ x¨ ‰¤ ±

公开(公告)号：EP3228241A1

公开(公告)日：2017-10-11

申请号：EP16164539.5

申请日：2016-04-08

申请人： VDW GmbH

发明人： ERTL, Thomas ,  KARAZIVAN, Naim ,  SAVIC, Alexander

IPC分类号： A61B5/00 ,  A61B5/026

CPC分类号： A61B5/0261 ,  A61B5/0088 ,  A61B5/682 ,  A61B2562/0238

摘要： A dental probe for determining the vitality of a tooth, comprising
(A) a light emitter and
(B) a light receiver,
wherein the light emitter emits light from an emitter surface adapted to be positioned on a hard dental surface of a tooth,
wherein the light receiver collects light incident on a receiver surface adapted to be positioned on a hard dental surface of the tooth so that the optical path of the light emitted from the light emitter passes at least through a portion of the pulp chamber of the tooth,
characterized in that the light receiver comprises
(a) a light shielding spacer member adjacent to the optical path for establishing and maintaining a distance between the gum line and the optical path at the receiver surface, and/or
(b) a pressing member for engaging the gingiva by applying pressure onto the gum when the receiver surface is positioned on the tooth, thereby providing an anaemic condition of the gingvia, and in that
an apical-coronal diameter of the light emitter surface and the light receiver surface is at most 1200 µm in the direction normal to the optical path.

摘要翻译： 1.一种用于确定牙齿活力的牙科探针，包括（A）光发射器和（B）光接收器，其中所述光发射器从适于定位在牙齿的硬牙表面上的发射器表面发射光，其中 光接收器收集入射到接收器表面上的光，该接收器表面适于定位在牙齿的硬牙表面上，使得从光发射器发射的光的光路至少穿过牙齿的牙髓腔的一部分， 所述光接收器包括：（a）与所述光路相邻的用于在所述接收器表面处建立并保持所述口香糖线和所述光路之间的距离的光屏蔽间隔件构件，和/或（b）用于接合 当接受器表面定位在牙齿上时，通过对牙龈施加压力从而提供牙龈的贫血状况，并且其中光发射器表面的心尖冠直径 e并且光接收器表面在垂直于光路的方向上最多为1200μm。

公开(公告)号：EP2438884A1

公开(公告)日：2012-04-11

申请号：EP10013364.4

申请日：2010-10-06

申请人： VDW GmbH

发明人： Borgschulte, Markus

IPC分类号： A61C5/02 ,  A61C1/00

CPC分类号： A61C1/0007 ,  A61C1/003 ,  A61C5/40 ,  A61C5/42

摘要： The present invention provides a system for the endodontic treatment of a root canal, comprising
(i) an endodontic instrument;
(ii) an endodontic handpiece having a drive motor for rotating the endodontic instrument releasably attached to the handpiece;
(iii) a control unit for controlling the rotation of the endodontic instrument according to one or more predetermined rotational sequences;

the rotational sequences comprising reciprocating the endodontic instrument by continuously sequentially rotating the endodontic instrument in a first direction followed by reversing the direction of rotation so that 0.5 ⁢ xΨ ≤ α Ψ and 3 ≤ α / β ≤ 20 ,
wherein α represents a rotational angle in a direction in which the rotating endodontic instrument removes debris from the root canal, β represents a rotational angle in the opposite direction, and Ψ represents the elastic angle of the endodontic instrument at which plastic deformation occurs in the direction of α.

摘要翻译： 本发明提供了一种根管治疗根管的系统，包括（i）根管器械; （ii）具有驱动马达的牙根管手柄，所述驱动马达用于旋转所述牙髓矫正器具可释放地附接到所述手持件; （iii）控制单元，用于根据一个或多个预定的旋转顺序来控制所述牙髓根治器具的旋转; 所述旋转顺序包括使所述牙髓根治器具沿第一方向连续顺次旋转所述根管器械，然后使所述旋转方向反转，使得所述旋转方向为0.5°±‰±‰和3‰±‰±‰¤20°，其中 ±表示旋转式牙髓器械从根管中除去碎屑的方向上的旋转角度，²表示相反方向的旋转角度，¨表示在根管方向发生塑性变形的根管器械的弹性角度 ±。