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.

Abstract: The present invention relates to an X-ray image processing device and an X-ray image processing method using a small X-ray detector, in which the device includes a controller configured to control an X-ray source and an X-ray detector to obtain m (m is an integer of 2 or more) number of consecutive divided projection images at each of preset n (n is an integer of 1 or more) number of imaging angles while rotating around a rotary axis and facing each other, a projection image synthesizing unit configured to generate a synthetic projection image by synthesizing the m number of divided projection images obtained in correspondence to each imaging angle, and an image reconstructor configured to generate a reconstructed image by reconstructing the synthetic projection image.

Abstract: The present invention relates to a combined model scanning and oral cavity scanning apparatus. The combined model scanning and oral cavity scanning apparatus includes an optical three-dimensional measurement unit configured to generate light, acquire intraoral shape information, and acquire model shape information, a data processor configured to generate three-dimensional tooth data, a data transmission unit configured to transmit the three-dimensional tooth data, a main body accommodating the optical three-dimensional measurement unit, the data processor, and the data transmission unit, and at least two intraoral scanning tips configured to be alternately detachable to the main body and provide light paths, wherein the at least two intraoral scanning tips includes a model scanning tip for scanning a dental model.

Abstract: Disclosed are a backscattered ray shielding mechanism and a portable X-ray generating device comprising the same. The backscattered ray shielding mechanism according to the present invention is mounted on a portable X-ray generating hand-held device to emit X-rays and blocking backscattered X-rays during X-ray emission and includes a lead-free lightweight shielding member, which is detachably or foldably mounted as a convertible form on an X-ray emitting unit of the portable X-ray generating device and partially supported by the X-ray emitting unit.

Abstract: Disclosed is an X-ray CT radiographing apparatus capable of selecting various FOVs, simplifying radiographing motion, and reducing X-ray exposure dose, and a method thereof. An X-ray CT radiographing apparatus according to the present invention includes a rotation supporter rotating by a rotation driver, a generating unit including an X-ray generator emitting X-rays and a collimator so as to radiate a collimated X-ray beam, a sensing unit including a small width X-ray sensor moving in a tangential direction of a rotation trajectory, and a controller controlling operations of the rotation driver, the generating unit, and the sensing unit when performing X-ray radiographing, and configuring movement trajectories of an X-ray beam for radiographing FOVs different from each other to be the same, and controlling the generating unit to turn OFF the X-ray beam in sections different from each other of the movement trajectory of the X-ray beam according to the FOV.

Abstract: A medical image processing device is disclosed. The disclosed medical image processing device may include: an input interface through which a depth adjusting command is input from a user; an image processor and controller generating a two-dimensional reconstruction image by overlapping a part or all of CT image data in a view direction, and changing a contrast of at least a part of the two-dimensional reconstruction image according to the depth adjusting command; and a display part displaying the two-dimensional reconstruction image.

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.

Abstract: The present invention relates generally to a cephalometric X-ray image acquisition device. More particularly, the present invention relates to a cephalometric X-ray image acquisition device capable of providing a three-dimensional facial optical image and a cephalometric X-ray image of a subject.

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.

Abstract: Disclosed is an X-ray image display apparatus with improved depth resolution, the display apparatus including a storage storing a plurality of X-ray frame data about a subject, an image processor reconstructing a first X-ray image by using a first group of X-ray frame data constituted by at least a portion of the plurality of X-ray frame data and reconstructing a second X-ray image by using a second group of X-ray frame data constituted by at least a portion of the plurality of X-ray frame data, a display configured to provide a screen, and a viewer module displaying a background image display part and a partial image display part disposed at a portion of the background image display part on the screen, displaying the first X-ray image on the background image display part, and displaying a portion of the second X-ray image corresponding to the first X-ray image on the partial image display part.

Abstract: Disclosed are a charging cradle and a portable radiography device including the same, which is capable of displaying the residual battery capacity when the portable radiography device is being charged and even when not being charged and, more specifically, displaying the possible number of times of radiography in real time by using the residual battery capacity, such that a user can exactly determine when to charge. The portable radiography device includes a radiography device main body having a rechargeable battery, a first communication unit provided in the main body to transmit battery charging state information, a charging cradle configured to receive external power to supply charging power to the battery, a second communication unit provided in the charging cradle to receive the battery charging state information from the first communication unit, and a display unit provided in the charging cradle to display the battery charging state information.

Abstract: The present invention relates to an X-ray collimator capable of adjusting a field of view during X-ray imaging and an X-ray imaging apparatus using the same, the apparatus including an X-ray light source configured to emit X-rays, an X-ray detector configured to detect the X-rays, and a collimator configured to provide an opening to determine an FOV of the X-rays between the X-ray light source and the X-ray detector, wherein the opening is configured such that at least one of a first edge at an entrance side facing the X-ray light source, and a second edge at an exit side facing the X-ray detector is formed in a curved shape.

Abstract: Disclosed is a dental X-ray imaging apparatus having a radiographing housing so as to provide a stable radiographing environment to an examinee. The dental X-ray radiographing apparatus includes a radiographing unit including a rotary arm, an X-ray generator, and an X-ray sensor, and a radiographing housing for covering an upper part, an outside and an inside of an operating range of the radiographing unit. The imaging apparatus further includes a lifter configured to move the radiographing housing, and a handle frame disposed at a lower part of the radiographing housing with a variable height and including a chin rest, wherein the lifter moves the radiographing housing such that the distance between the chin rest and the radiographing housing is constant.

Abstract: Disclosed are an X-ray irradiating device having a function of selecting an automatic radiographic mode and an X-ray imaging method using the same. The X-ray irradiating device includes an X-ray source, a motion sensor configured to detect an X-ray source pointing direction, and a controller configured to select any one of a plurality of radiographic modes according to a pointing angle signal received from the motion sensor. The X-ray imaging method, which uses the above described X-ray imaging apparatus, includes setting a reference plane as a reference value for a pointing angle in which an X-ray source is directed, detecting the pointing angle relative to the reference plane by using a motion sensor and selecting a radiographic mode corresponding to the detected pointing angle, and performing a radiography by controlling the X-ray source with a set value corresponding to the selected radiographic mode.

Abstract: The present invention relates to a combined model scanning and oral cavity scanning apparatus. The combined model scanning and oral cavity scanning apparatus includes an optical three-dimensional measurement unit configured to generate light, acquire intraoral shape information, and acquire model shape information, a data processor configured to generate three-dimensional tooth data, a data transmission unit configured to transmit the three-dimensional tooth data, a main body accommodating the optical three-dimensional measurement unit, the data processor, and the data transmission unit, and at least two intraoral scanning tips configured to be alternately detachable to the main body and provide light paths, wherein the at least two intraoral scanning tips includes a model scanning tip for scanning a dental model.

Abstract: The present invention relates to a panoramic X-ray imaging apparatus capable of obtaining more accurate panoramic X-ray images while minimizing the rotation of a rotation arm, the panoramic X-ray imaging apparatus includes at least one X-ray source configured to irradiate X-rays and an X-ray sensor configured to receive the X-rays, a rotating arm configured to position the X-ray sensor and the X-ray source to face each other, a driver configured to rotate the rotating arm about a rotating shaft, a guide configured to provide directions for moving the X-ray sensor or the X-ray source, and wherein the at least one X-ray source is of an electric field emission type adopting an emitter of a nanostructure material and the X-ray source or the X-ray sensor is relatively movable along the guide in conjunction with a movement of the rotating arm.

Abstract: Disclosed are an X-ray imaging apparatus capable of acquiring highly accurate three-dimensional surface data as well as a CT image of teeth and surrounding tissues thereof of a subject without increasing the dose of X-ray and the discomfort for the subject compared to conventional CT imaging, and an X-ray imaging method using the same. The X-ray imaging apparatus includes an X-ray generator; an X-ray sensor disposed to face the X-ray generator, and configured to receive X-rays transmitted through a subject to generate an electric signal, and a subject jig configured to support the subject and to move the subject to be relatively rotated about at least two axes with respect to an X-ray propagation path, wherein a CT image and high-precision three-dimensional surface data are reconstructed and provided by using a plurality of X-ray imaging data acquired through a plurality of scan sequences.

Abstract: The disclosure is related to a method and apparatus of scanning a target object in three dimensions (3D). The method may include projecting a color dashed line pattern onto a target object, scanning the target object with the color dashed line pattern projected thereto, and producing a 3D data of the target object by processing the scanning result. The color dashed line pattern may include multiple dashed line patterns each of which is individually used to calculate the 3D data of the target object.

Abstract: Disclosed is an X-ray generation apparatus for intra-oral X-ray imaging, a guide holder, and an X-ray imaging system comprising the same. The X-ray generation apparatus includes a body and a plurality of X-ray sources disposed in different positions of the body, and configured to irradiate X-rays to a field of view, wherein the body moves along a predetermined trajectory for the field of view.

Abstract: A method of obtaining a panoramic image and an apparatus for the same are disclosed. In particular, a method of obtaining a panorama image and an apparatus for the same capable of obtaining a more clear panoramic image with reproducibility by extracting best-focused-images in case of forming images of multiple image-layer-trace images are disclosed. In accordance with the method and the device of this invention for obtaining the panoramic image, it is possible to complete the optimal image-layer-trace to be reconstructed and to obtain a clear panoramic image which vividly shows an arch of a patient by reconstructing a panoramic image for an optimal image-layer-trace most closely related to a focus-trace.