公开(公告)号：US20180310898A1

公开(公告)日：2018-11-01

申请号：US15771394

申请日：2016-10-26

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co.? Ltd.

Inventor： Byung-Jun AHN ,  Sang-Og NA ,  Yong-Joo YANG ,  Sung-Il CHOI ,  Dae-Ki HONG

IPC: A61B6/14 ,  A61B6/00 ,  A61B6/02 ,  G01N23/046

CPC classification number: A61B6/14 ,  A61B6/00 ,  A61B6/02 ,  A61B6/032 ,  A61B6/06 ,  A61B6/4035 ,  A61B6/405 ,  A61B6/42 ,  A61B6/4435 ,  A61B6/4452 ,  A61B6/469 ,  A61B6/52 ,  A61B6/5258 ,  A61B6/54 ,  A61B6/542 ,  G01N23/046

Abstract: Disclosed is an X-ray image radiographing apparatus being economical by using a small width sensor, occupying less space, and providing an X-ray CT image and an X-ray panoramic image without distortion and with high accuracy. An X-ray image radiographing apparatus according the present invention includes a rotation supporter rotating based on a rotation shaft; a generating unit including an X-ray generator radiating an X-ray beam; a sensing unit including a small width sensor moving in a width direction thereof; and a controller changing a rotation speed of the rotation supporter or a frame rate of the sensing unit to compensate changes in magnification ratio according to a distance change between an area of interest of the subject and the small width sensor when performing an X-ray image radiographing sequence obtaining a number of CT images by rotating the rotation supporter.

公开(公告)号：US20180184990A1

公开(公告)日：2018-07-05

申请号：US15741237

申请日：2016-06-30

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co.,Ltd.

Inventor： Seunghun SHIN ,  Jinpyo CHUN ,  Taewoo KIM

IPC: A61B6/14 ,  H01J35/02 ,  H05G1/34

CPC classification number: A61B6/145 ,  A61B6/00 ,  A61B6/14 ,  A61B6/40 ,  A61B6/4405 ,  G01T1/00 ,  H01J35/02 ,  H01J35/025 ,  H05G1/06 ,  H05G1/085 ,  H05G1/12 ,  H05G1/34

Abstract: Disclosed is a portable X-ray generation device, which uses an electric field emission X-ray source, and is thus advantageous in reducing weight and volume and has excellent reliability in X-ray emission performance. The portable X-ray generation device according to the present invention includes an electric field emission X-ray source, which includes a cathode electrode having an electron emitter, an anode electrode having an X-ray target surface, and a gate electrode between the cathode electrode and the anode electrode; and a driving signal generator configured to generate at least three driving signals applied to the cathode electrode, the anode electrode, and the gate electrode, respectively, by direct current power having a predetermined voltage, wherein the driving signal generator includes a current controller maintaining a tube current between the anode electrode and the cathode electrode to have a constant value during X-ray emission.

公开(公告)号：US20180125434A1

公开(公告)日：2018-05-10

申请号：US15570321

申请日：2015-07-24

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co., Ltd.

Inventor： Yong-Joo YANG ,  Keun-Yeoung KIM ,  Tae-Woo KIM ,  Sung-Il CHOI

IPC: A61B6/03 ,  G06T7/00 ,  A61B6/02

Abstract: The present invention provides an X-ray imaging device including an X-ray emitter and an X-ray detector rotating while facing each other with an imaging subject interposed therebetween, a device controller controlling the X-ray imaging device such that a first X-ray imaging is performed with a first dose in a partial section of a rotation locus of the X-ray emitter and the X-ray detector and a second X-ray imaging is performed with a second dose lower than the first dose in a remaining section, and an image processor producing an X-ray image by receiving first and second X-ray image data of the first and the second X-ray imaging from the X-ray detector.

公开(公告)号：US09852525B2

公开(公告)日：2017-12-26

申请号：US15352627

申请日：2016-11-16

Applicant: Vatech Co., Ltd. ,  Vatech Ewoo Holdings Co., Ltd.

Inventor： Sung Il Choi

IPC: G06K9/00 ,  G06T11/00 ,  H04N5/232 ,  G06T3/40 ,  G06T5/00 ,  G06T7/00 ,  G06T7/13 ,  A61B6/14

CPC classification number: G06T11/003 ,  G06T3/4038 ,  G06T5/002 ,  G06T7/0012 ,  G06T7/13 ,  G06T2207/10004 ,  G06T2207/10116 ,  G06T2207/20221 ,  G06T2207/30036 ,  H04N5/23238

Abstract: A method and an apparatus for providing panoramic image data by reconstructing frame images captured by a panoramic imaging apparatus, are disclosed. In reconstruction of images with multiple image layers, sizes of images reconstructed with an image layer or images to be used for a reconstruction are scaled. An image is selected by analyzing sharpness. A panoramic image is provided by combining selected image. According to the present invention, parts having unclear focal planes may be completely removed in a panoramic image and it is possible to provide an image including only with focused regions.

公开(公告)号：US09801603B2

公开(公告)日：2017-10-31

申请号：US15177363

申请日：2016-06-09

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co., Ltd.

Inventor： Se Yeol Im ,  Dong Wan Seo ,  Tae Hee Han

IPC: A61B6/00 ,  A61B6/14

CPC classification number: A61B6/5217 ,  A61B6/145

Abstract: The present invention relates to a method and apparatus for detecting dental caries and an X-ray imaging apparatus and, more particularly, a method and apparatus for detecting dental caries and an X-ray imaging apparatus that can automatically detect occurrence and the degree of progress of caries by processing dental X-ray images.

公开(公告)号：US20170303876A1

公开(公告)日：2017-10-26

申请号：US15511449

申请日：2015-09-15

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co., Ltd.

Inventor： Hyung Keun LIM ,  Jin Pyo CHUN

IPC: A61B6/14 ,  A61B6/00 ,  A61B6/10

CPC classification number: A61B6/145 ,  A61B6/107 ,  A61B6/14 ,  A61B6/4405

Abstract: The present invention relates to a wearable X-ray radiographing apparatus and a method for using the same. The present invention includes: an X-ray generator including an X-ray source, a power supplier supplying driving power to the X-ray source, and a cone directing X-rays emitted from the X-ray source; a switch controller controlled by a radiographer to operate the X-ray generator; and a wearable unit on which the X-ray generator being mounted and being worn on the body of the radiographer.

公开(公告)号：US20170289523A1

公开(公告)日：2017-10-05

申请号：US15473819

申请日：2017-03-30

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co., Ltd.

Inventor： Jung LEE ,  Jin Pyo CHUN ,  Hyeong Jin JO

IPC: H04N13/02 ,  A61B1/045 ,  A61B1/24 ,  A61C9/00 ,  G06T17/00 ,  A61B1/00

CPC classification number: H04N13/207 ,  A61B1/00006 ,  A61B1/00016 ,  A61B1/00039 ,  A61B1/00045 ,  A61B1/0005 ,  A61B1/00055 ,  A61B1/045 ,  A61B1/24 ,  A61B1/247 ,  A61B5/1077 ,  A61B5/1079 ,  A61B5/4547 ,  A61B5/7221 ,  A61B2562/0219 ,  A61C9/0053 ,  G06T17/00 ,  G06T19/20 ,  G06T2219/2016 ,  H04N5/2256 ,  H04N5/232 ,  H04N13/296 ,  H04N2005/2255

Abstract: The present invention generally relates to a dental intraoral scanner system. In detail, the present invention includes: a scan unit sequentially imaging an intraoral structure in a scan mode; a control unit generating a three-dimensional modeling image for each scan mode by using the imaged intraoral structure; and a display unit displaying the three-dimensional modeling image, wherein the control unit switches the scan unit from a present scan mode to a following scan mode according to a user's command that is input through the scanning unit, or automatically switches from the present scan mode to the following scan mode when a three-dimensional modeling image of the present scan mode is completed.

公开(公告)号：US20170281101A1

公开(公告)日：2017-10-05

申请号：US15512538

申请日：2015-09-18

Applicant: VATECH Co., Ltd. ,  VATECH EWOO Holdings Co., Ltd.

Inventor： Sung Il CHOI ,  Woong BAE

IPC: A61B6/14 ,  G06T3/40 ,  A61B6/00 ,  H05G1/02 ,  H05G1/60

Abstract: Disclosed is an X-ray image forming device is disclosed. The device includes an X-ray imaging unit including a rotating member rotatable about a rotating shaft and linearly movable, and an X-ray source and an X-ray sensor disposed at opposite ends of the rotating member to face each other with a region of interest therebetween, a penetration data acquisition unit configured to acquire X-ray penetration data from multiple directions crossing through an image layer in the region of interest by controlling the X-ray imaging unit and an image reconstructor configured to generate projection data in a predetermined angle range at each section of the image layer from the X-ray penetration data, and reconstruct a two-dimensional X-ray panoramic image of the image layer based on the projection data.

公开(公告)号：US09715732B2

公开(公告)日：2017-07-25

申请号：US14938953

申请日：2015-11-12

Applicant: Vatech Co., Ltd. ,  Vatech Ewoo Holdings Co., Ltd.

Inventor： Keun-Yeong Kim ,  Sung Il Choi ,  Tae Woo Kim

IPC: G06T7/00 ,  G06T19/00

CPC classification number: G06T7/0012 ,  G06T7/11 ,  G06T19/00 ,  G06T2219/008

Abstract: The preset invention relates to an apparatus and a method for reconstructing a medical image for obtaining a 2D medical image (for example, a Cephalo image) from a 3D medical image (for example, a CT image), and a computer-readable recording medium keeping a program for implementing the method. In detail, the present invention provides an apparatus for reconstructing a medical image that includes: a 3D medical image obtaining unit obtaining 3D medical image information for making a 3D medical image of an object; a medical image overlapping unit overlapping the 3D medical image information in accordance with a radial beam path in a projection direction of a 2D medical image; and a 2D medical image obtaining unit obtaining and displaying the 2D medical image based on the overlapping result, and a method of reconstructing a medical image.

公开(公告)号：US09554758B2

公开(公告)日：2017-01-31

申请号：US14720234

申请日：2015-05-22

Applicant: Vatech Co., Ltd. ,  Vatech Ewoo Holdings Co., Ltd.

Inventor： Hyung Keun Lim ,  Jin Pyo Chun

IPC: G01J1/00 ,  A61B6/10 ,  G21F1/08 ,  A61B6/14 ,  G21F3/00

CPC classification number: A61B6/107 ,  A61B6/145 ,  G21F1/08 ,  G21F3/00

Abstract: A sensor integrated protection device is disclosed. This device includes a sensor for detecting radiations; and a radiation shielding pad to which the sensor is coupled. A data communicating device is placed within radiation shielding pad and electrically coupled to the sensor. This device is suitable for easy wear with the pad shape and can be used for protecting different parts of the body with the various type of the pad holders. In the sensor integrated protection device, the data communicating unit is not built in the sensor but is configured to the sensor outside of the sensor to reduce the size of the sensor and to improve the convenience of using and keeping the sensor.

Abstract translation: 公开了一种传感器集成保护装置。 该装置包括用于检测辐射的传感器; 以及耦合传感器的辐射屏蔽垫。 数据通信装置放置在辐射屏蔽垫内并电耦合到传感器。 该装置适用于具有垫形状的易磨损，并且可用于用各种类型的垫座保护身体的不同部分。 在传感器集成保护装置中，数据通信单元不是内置在传感器中，而是构成传感器外部的传感器，以减小传感器的尺寸，并提高使用和保持传感器的便利性。