An X-ray detector (10) for a phase contrast imaging system (100) and a phase contrast imaging system (100) with such detector (10) are provided. The X-ray detector (10) comprises a scintillation device (12) and a photodetector (14) with a plurality of photosensitive pixels (15) optically coupled to the scintillation device (12), wherein the X-ray detector (10) comprises a primary axis (16) parallel to a surface normal vector of the scintillation device (12), and wherein the scintillation device (12) comprises a wafer substrate (18) having a plurality of grooves (20), which are spaced apart from each other. Each of the grooves (20) extends to a depth (22) along a first direction (21) from a first side (13) of the scintillation device (12) into the wafer substrate (18), wherein each of the grooves (20) is at least partially filled with a scintillation material. Therein, the first direction (21) of at least a part of the plurality of grooves (20) is different from the primary axis (16), such that at least a part of the plurality grooves (20) is tilted with respect to the primary axis (16). An angle between the first direction (21) of a groove (20) arranged in a center region (24) of the scintillation device (12) and the primary axis (16) is smaller than an angle between the first direction (21) of a groove (20) arranged in an outer region (26) of the scintillation device (12) and the primary axis (16).

An imaging apparatus includes a first X-ray detector that includes: a low energy scintillator operable to convert an incident X-ray spectrum into a first set of light photons; a first light imaging sensor operable to generate a set of low energy image signals from the first set of light photons, wherein a first exit radiation is a remainder portion of the first incident radiation after the X-ray spectrum passes through the low energy scintillator and the first light imaging sensor; an energy-separation filter operable to absorb or reflect at least a portion of the energy of the first exit X-ray spectrum and convert the first exit X-ray spectrum into a second exit X-ray spectrum; a second X-ray detector that includes: a high energy scintillator operable to convert the second exit X-ray spectrum into a second set of light photons; a second light imaging sensor operable to generate a set of high energy image signals from the second set of light photons; and a processor configured to: generate a high-energy image that is based on the set of high energy image signals and a low-energy image that is based on the set of low energy image signals; and perform a comparison of the high-energy image from the low-energy image to generate a soft tissue image.

A method for correcting a detector configured to generate object radiographs and an arrangement to implement the method is provided. The method includes the steps of (a) providing the detector having setting values for a gain and offset correction, (b) capturing a plurality of object radiographs of a test object by the detector and generating a reconstructed three-dimensional representation of the test object based on of the object radiographs, (c) determining at least one quality value of the reconstructed three-dimensional representation, repeating the steps (b) and (c) at least once, wherein before the repetition, a parameter set is generated and a measurement sequence is implemented on the basis thereof, at least one setting value for a gain and offset correction of the detector being determined anew based on the measurement sequence; and (e) determining a preferred gain and offset correction based on overall determined quality values.

Image compression techniques and image handling and display methods that can be used with imaging devices, including X-ray devices, are described in this application. In particular, this application describes a real-time imaging method by providing a portable x-ray imaging device containing an internal power source and an internal power supply, capturing a first x-ray image using the x-ray imaging device, compressing the first x-ray image using a compression process performed by a processor located within the portable x-ray imaging device and then wirelessly transmitting the compressed first x-ray image to a display device, capturing a second x-ray image using the x-ray imaging device, compressing the second x-ray image using the processor and then wirelessly transmitting the compressed second x-ray image to the display device; and then displaying the first and second x-ray images on the display device at a frame rate of more than about 8 frames per second. The application also relates to a hand-held X-ray imaging device, comprising a support arm with a housing enclosing an internal power supply and an internal, removable power source, the power source being replaceable and delivering 60 or more X-ray images using a single charge, the support arm being configured to rotate around an object to be analyzed while being held by a support structure, an X-ray source contained near one end of the support arm, an X-ray detector contained near the other end of the support arm, an internal processor and supporting electronics configured to compress an x-ray image and wirelessly transmit the compressed x-ray image to an external display device, and a trigger configured to be to be activated by hand after the imaging device is properly positioned, wherein the x-ray device is configured to be removable from the support structure and used in a stand-alone fashion for x-ray imaging. These devices and methods can deliver a fluoroscopy image sequence at a high frame rate while not losing the image quality required by the surgeon or radiologist, where the last image is often given a more in-depth analysis by the user (i.e., a surgeon or radiologist). Other embodiments are described.

A radiation imaging apparatus for supplying power in a non-contact manner includes a power reception coil disposed inside a housing together with a radiation detector and a detector contact conductive member, and configured to receive electric energy to be supplied to the radiation detector in a non-contact manner from a power feeding coil disposed outside the housing. The power reception coil is disposed in a second range including a first range in which the detector contact conductive member is formed in the normal direction (y direction) to an incident surface of the radiation detector where the radiation is incident so that an orientation of the center of a generated magnetic flux coincides with an in-plane direction (x direction) of the incident surface and coincides with a direction toward the radiation detector.

Provided is a 3D bone density and bone age calculation apparatus using an artificial intelligence-based rotation manner. The 3D bone density and bone age calculation apparatus includes a main body, and the main body includes a rotary drum including a drum shaft gear, an X-ray generator, an intensifying screen and an image data capturer, a drum driver including a motor shaft gear connected to the drum shaft gear so as to rotate the rotary drum, a motor, support rollers and one of an origin sensor and an encoder, outer and inner cases, front and rear cases, a capturing holder, and a controller including a position selector configured to select an image-captured position of the rotary drum, an input unit configured to input a current age, sex and nutritional status of a patient, etc., and a display configured to display captured images and a diagram indicating bone age.

According to one embodiment, a radiation detection panel includes a substrate, a plurality of photoelectric conversion elements, an insulating layer, a protective layer, a bonding layer, a scintillator, and a moisture-proof layer. The photoelectric conversion elements are provided on one surface of the substrate. The insulating layer is provided on the photoelectric conversion elements and is light transmissive. The protective layer is provided at least on the insulating layer. The bonding layer is provided between the insulating layer and the protective layer, includes a material having at least one of a reactive group that chemically bonds to an inorganic material and a reactive group that chemically bonds to an organic material, and is light transmissive. The scintillator is provided on the protective layer and covers the plurality of photoelectric conversion elements. The moisture-proof layer covers at least the scintillator.

Clamping devices used to assist with operating small, portable x-ray devices are described in this application. In particular, this application describes clamping devices used to connect portable X-ray devices to external support structures. The clamping devices contain a cradle configured to support a portion of a C-arm of a portable x-ray device, the cradle comprising a restraint configured to fit in an upper opening of the C-arm, a mounting plate configured to support a bottom portion of the portable x-ray device, a registration insert configured to mate with an opening in the bottom portion of the portable x-ray device, the registration insert also configured to move laterally along the mounting plate, a connecting member configured to move laterally along the mounting plate, and an attachment device configured to move the connecting member and the registration insert to attach the portable x-ray device to the cradle. Other embodiments are described.

An X-ray imaging apparatus receives mode selection using a mode selection receiving unit including a mode setting unit and an operation display. When a CT mode is selected by the mode selection receiving unit, an X-ray beam shape adjuster shapes an X-ray beam into an X-ray cone beam in which a center beam that is a center of the X-ray beam is orthogonally incident on a body axis of a head. When a panoramic mode is selected, the X-ray beam shape adjuster shapes the X-ray beam into an X-ray narrow beam in which the center beam is incident on the body axis from obliquely below to obliquely above, the X-ray narrow beam having a length in a direction of the body axis.

Provided is are a particle detection device and method of fabrication thereof. The particle detection device includes a scintillator array that includes a plurality of scintillator crystals; a plurality of detectors provided on a bottom end of the scintillator array; and a plurality of prismatoids provided on a top end of the scintillator array. Prismatoids of the plurality of prismatoids are configured to redirect particles between top ends of crystals of the scintillator array. Bottom ends of a first group of crystals of the scintillator array are configured to direct particles to a first detector of the plurality of detectors and bottom ends of a second group of crystals of the scintillator array are configured to direct particles to a second detector substantially adjacent to the first detector.