A breast X-ray imaging apparatus comprising a detection mechanism and a needle holder. The detection mechanism may include a ray tube and a detector that is arranged opposite to the ray tube. An irradiated region may be arranged between the ray tube and the detector. The needle holder may be configured to move relative to the detection mechanism, and the needle holder may be arranged outside the irradiated region. A breast biopsy positioning device may be mounted on the breast X-ray imaging apparatus. The needle holder of the breast biopsy positioning device may be driven to move based on different workflows of the correction process and the verification process to move the needle tip of the puncture needle to a preset position, and a pair of stereo positioning images may be collected and identified. The accuracy correction and verification of the breast biopsy positioning device may be achieved by measuring the position of the needle tip and the preset position.

A method, device, and computer program product for capturing projection images of an object are provided. An x-ray beam source is moved by a control unit on a path into a plurality of positions, in which an x-ray beam is transmitted. An x-ray beam detector is moved by the control unit into a plurality of positions, in which the x-ray beam, penetrating the object, is detected. The x-ray beam source and/or the x-ray beam detector are moved on a calculated path around the object, at a constant distance between the x-ray beam source and the x-ray beam detector or the object. The path is described by an nth degree polynomial and determined by the control unit through an optimization of a path along the central x-ray beam. The polynomial is selected such that a safety clearance with respect to the object is maintained and a distance between the x-ray beam detector and the object is minimized.

To improve breast mammography imagery via use of a digital “slot scanning” imaging system that accommodates the changing thickness of the breast from the chest wall to the nipple by scanning the breast from the chest outward to the nipple or vice versa instead of the side-to-side methodology and using Automatic Exposure Control or AEC parameters optimized for the changing thickness and composition of the breast at each scan location and an improved breast compression device, wherein uniform breast compression mechanism includes a first breast plate and a second breast plate, wherein at least one of said first breast plate and said second breast plates includes an angle adjustment or tilt to account for the high variability in breast sizes and configurations while maintaining optimal immobilization with excellent patient comfort.

A tooth implantation technique and a subperiosteal implant manufacturing method for the solution of extreme atrophy of a tooth bone are disclosed, primarily using steps of tomography, data transformation, software design, 3D printing of a physical model, making a subperiosteal implant wax form, wax form scanning and design, and manufacturing with a CNC milling machine, so as to make a subperiosteal implant that fits with a patient, thereby improving the shortcomings in a conventional manufacturing procedure of an implant.

A recording and reconstruction of image data of a predetermined object of an examination object is performed by an x-ray system. The x-ray system determines a number of elliptical cylinders so that the object is arranged entirely in the volumes of the cylinders. Data within each of the cylinders is recorded by the x-ray system. The image data of the object is reconstructed based on the data recorded for each of the cylinders.

The disclosure has an object to provide a medical-data processing device that allows generation of an MIP image suitable for diagnosis. With the medical-data processing device of the disclosure, intensity of a body surface region in three-dimensional space data is adjusted. The body surface region corresponds to a body surface of a stereoscopic image of a subject. Since the intensity of the body surface region is adjusted to be decreased, the maximum intensity is selected from a portion except for the body surface region to generate the MIP image. This prevents the body surface of the subject from appearing upon generating the MIP image. Therefore, the MIP image is obtainable having excellent visibility to the inside of the subject.

An X-ray diagnostic apparatus of an embodiment includes processing circuitry. The processing circuitry acquires two medical images, a moving distance of a region of interest between the medical images corresponding to a distance derived from a parallax angle. The processing circuitry causes a display to display a stereoscopic image based on the medical images.

The invention relates to a medical tomosynthesis system (10) having an interventional device (15) and an image acquisition device (11, 12) for acquiring images of a subject volume in a plurality of angular positions around the subject volume. In the system, a three-dimensional geometrical model of the interventional unit is used to identify the projection angles of the image acquisition device that actually can be used. Preferably, this three-dimensional model is achieved by reconstructing it from projection images acquired with the X-ray image acquisition device. The invention also relates to a method for acquiring images with such a system.

The present invention provides an X-ray transceiving component for a CT imaging apparatus, comprising one or more bulb devices and a plurality of detector devices. The one or more bulb devices are configured to emit quadrate-tapered or fan-shaped X-ray beams. The plurality of detector devices are configure to receive the quadrate-tapered or fan-shaped X-ray beams emitted by the one or more bulb devices, each of the quadrate-tapered or fan-shaped X-ray beams comprising X-rays passing through a scanning field of view. Note that the plurality of detector devices are configured to receive X-rays passing through different areas within the scanning field of view, the one or more bulb devices are micro-focus bulb devices, and the plurality of detector devices are flat panel detectors or photoelectric coupling detectors. The present invention can greatly improve a resolution of CT imaging, increase imaging efficiency, and realize low-dose diagnosis in the case of ensuring that the scanning field of view is sufficient.

Diagnostic systems and methods for measuring and assessing spine instability are described which involve reconstruction of a dynamic three-dimensional model of a patient's spine moving through a range of motions, and optimization of the three-dimensional model to provide relative three-dimensional position and orientation data for each vertebra in the spine throughout the motion. Vertebral movement is thereby accurately measured and instability determined for presentation in a user-friendly form.