An article and thermoplastic composition including polycarbonate, a polysiloxane-polycarbonate and an x-ray detectable or metal detectable agent having good magnetic permeability and/or electrical conductivity wherein the composition may be used in articles for food preparation. The thermoplastic compositions are useful in forming molds for manufacturing a food product, such as chocolate molds.

According to one embodiment, an X-ray CT apparatus includes an generation unit, detection unit, processing unit, and reconstruction unit. The generation unit irradiates an object with X-rays. The detection unit includes detection elements corresponding to a plurality of channels, which output detection signals upon detecting X-rays. The processing unit smoothes projection data constituted by numerical values corresponding to signals output from the elements so as to more strongly smooth a portion exhibiting a larger amount of change in the numerical value. The reconstruction unit reconstructs an image by using a plurality of projection data smoothed by the image processing unit.

A system and method using an inflatable jacket over the compression paddle of a mammography and/or tomosynthesis system to enhance imaging and improve patient comfort in x-ray breast imaging.

A patient table is capable of performing a patient examination using an imaging method in a rapid manner by reducing the time to prepare for the imaging and having a reduced manufacturing cost, and an X-ray imaging system has the patient table, in which the patient table includes a table top including material that allows radiated rays to pass therethrough, a support portion to support the table top, a mount portion to have a part of a body of a patient disposed thereon, and a stand assembly coupled to the mount portion.

A panoramic dental x-ray unit. The unit includes a support rotating about an axis and carrying, in the opposite position, an x-ray source and detector which move following a predetermined trajectory. The unit further includes means for acquiring images of the dental arch of a patient corresponding to the positions of the detector and of the source with respect to the dental arch. There is also provided means for reconstruction of a two portions of a panoramic image corresponding respectively to two disconnected portions of the dental arch, the reconstruction being performed from certain acquired images which each contain at least one piece of information concerning the two disconnected portions of the dental arch.

The X-ray phase-shift contrast imaging method and the system thereof are provided. The X-ray phase-shift contrast imaging method utilizes characteristic X-rays of high throughput irradiating at the target from different positions or with different focal positions so as to form different X-ray images. The X-ray images are compared to define the voxels and combined to obtain the 3-D X-ray image. By using X-ray phase-shift contrast for imaging the soft tissue, the level of the image contrast may be enhanced several orders of magnitude and the linear energy transfer of the high energy photon beam is greatly reduced. Hence, the radiation dose absorbed by the tissue may be greatly reduced.

An arrangement for the active vibration compensation of an x-ray emitter includes a counteracting vibration generation unit arranged outside of the x-ray emitter for reducing a vibration produced during operation of the x-ray emitter. The counteracting vibration generation unit is actively connected to the x-ray emitter and generates a counteracting vibration that is phase-shifted by 180 degrees relative to the vibration. By attaching active counteracting vibrators in the vicinity of the vibration generator, vibrations generated by the x-ray emitter are directly reduced at the source. A further transfer of vibrations to other system parts such as a C-arm 6 is reduced and/or prevented.

An apparatus and method for radiation detection is herein described. The apparatus consists of two radiation-detection arrays: A primary radiation-detection array, based on scintillator-CMOS design, and a secondary radiation-detection array, mounted on the back of said primary array. A method of controlling the detection operation is described, where output of the secondary array is exploited for controlling the acquisition-start and acquisition-stop of the primary array. Further, the apparatus is equipped with fast memory for storage of correction tables, and with a processor for fast computation of the correction. A method of calibration is also describes with tables for: offset correction, gain correction, and for defect-pixel correction. These tables are evaluated by the fast processor and stored on the fast memory. A method of real-time evaluation of the signal corrections is described, which depends on the acquisition-start and acquisition-stop timings and which results a clean, artifact-free image.

A method for preparing a hydrogel includes the steps of injecting a precursor with at least two alkene groups into a predetermined portion, injecting at least one specie into the predetermined portion, and performing an X-ray irradiation on the predetermined portion to induce a polymerization reaction of the precursor to form a porous hydrogel with the specie embedded inside the porous hydrogel. In one embodiment of the present invention, the specie is selected from the group consisting of nucleic acid and adhesion agent.

In order to realize a compact and lightweight X-ray diffraction apparatus not requiring a goniometer, an apparatus for X-ray diffraction includes a first X-ray irradiating unit and a second X-ray irradiating unit that irradiate shaped X-rays on a same region of the surface of the sample from respective directions

an X-ray detecting unit that detects a first diffracted X-ray emanated from the region of the sample where the X-ray is irradiated by the first X-ray irradiating unit and a second diffracted X-ray emanated from the region of the sample where the X-ray is irradiated from the second X-ray irradiating unit

and an X-ray diffraction signal processing unit that processes a signal acquired by detecting the first diffracted X-ray and the second diffracted X-ray emanated from the same region of the sample with the X-ray detecting unit.

A semiconductor X-ray detector comprises: a semiconductor X-ray sensor portion 10, which has a plate-like outer shape including an opening portion 11 near to a central portion thereof, and is formed with plural numbers of pixel-like X-ray sensors between a surface and a reverse surface thereof

and a read-out portion 20, which is disposed on the reverse surface of the semiconductor X-ray sensor portion, and executes a predetermined process on each of signals outputted from the plural numbers of the X-ray sensors building up the semiconductor X-ray sensor portion, thereby outputting detected signals therefrom. The read-out portion is built up by assembling read-out units in plural numbers thereof, flatly in one body, each being formed into a rectangular shape, respectively, and forming plural numbers of pads on a surface thereof, as well as, having plural numbers of processing circuit portions and plural numbers of through hole vias in an inside thereof, and further having plural numbers of pads on a reverse surface thereof. The semiconductor X-ray sensor portion and the read-out portion are laminated to form into one body.

A portable X-ray diffraction apparatus is provided which can be held by a person and on which an image of a spot to be measured can be viewed. The portable X-ray diffraction apparatus includes: X-ray irradiation means that irradiates a sample with collimated X-rays

diffracted X-ray detection means that detects a collimated portion of diffracted X-rays among X-rays diffracted from the sample by the irradiation of the X-rays with the X-ray irradiation means

and signal processing means that processes a signal outputted from the diffracted X-ray detection means. An X-ray diffraction method is used which includes: irradiating a sample with collimated continuous-wavelength X-rays

extracting a collimated portion of diffracted X-rays diffracted from the sample irradiated with the X-rays and condensing the extracted collimated portion of the diffracted X-rays

detecting, using an energy dispersive detection element, the condensed diffracted X-rays

and processing a signal detected by the detection element.

In an X-ray generator using an ultraviolet laser, the generation of the X-ray is stabilized. In an X-ray generation method for irradiating an ultraviolet laser beam emitted from an ultraviolet laser beam generator on an ultraviolet laser beam receiving surface of an electron beam emitting device, irradiating an electron beam emitted from an electron beam emitting surface of the electron beam emitting device distinguished from the ultraviolet laser beam receiving surface on a metal piece and generating an X-ray from the metal piece, denaturalization of substance of the ultraviolet laser beam receiving surface is prevented by controlling the ultraviolet laser beam.

Provided herein are scintillator screens comprising a substrate

a scintillation layer disposed over the substrate, the scintillation layer comprising a scintillator material

and an adhesive layer disposed by solvent coating over the scintillation layer, the adhesive layer comprising solvent-coatable thermally-sensitive elastomer, wherein the adhesive layer has a dust adhesion of @1 dust particles/sq.in.

The present invention relates to X-ray examinations and to the improvement of patient safety during such. More specifically the invention relates to X-ray diagnostic compositions having ultra-low concentrations of iodine. The invention further relates to methods of X-ray examinations wherein a body is administered with an X-ray diagnostic composition and irradiated with a reduced radiation dose.

La presente invención se refiere a revisiones de rayos X y al incremento de la seguridad del paciente durante las mismas. Más específicamente, la presente invención se refiere a composiciones de diagnóstico de rayos X que tienen concentraciones de yodo ultra bajas. La presente invención se refiere además a métodos de revisiones de rayos X, en donde a un cuerpo se le administra una composición de diagnóstico de rayos X y se irradia con una dosis de radiación reducida.

A multi-element X-ray radiation detector consists of a flat multi-element scintillator in the form of a discrete set of hetero-phase luminescent elements which are arranged in the cells of a mesh made from a metal which absorbs X-ray radiation and reflects light, the increment size of which mesh corresponds to the increment size of the photo receiver matrix. The metallic mesh that forms the multi-element luminescent scintillator is made from elements having an atomic number from N=26 (iron) to N=74 (tungsten), has silver-plated coils, and separates the scintillator elements optically from one another. The process of synthesis is carried out in two stages. Oxyhalides of elements making up a cationic subgroup are formed by reacting an initial coprecipitated oxides of rare earth elements, Bi and Re, with ammonium halides. The resulting product is then subjected to repeated thermal treatment in an alkali chalcogenide melt.

A mobile scanning system comprises a vehicle 50 comprising a body 54 and a scanner (fig. 1) housed within the body wherein the scanner comprises X- ray source means arranged to generate X-rays from a plurality of source points, an array of X-ray detectors arranged to detect X-rays from the source points, and control means arranged to activate each of the source points so as to scan an imaging volume. The scanner may comprise a conveyor arranged to convey items through the scanner and may further comprise at least one conveyor extension 72 arranged to be connected to the side of the vehicle to extend the conveyor beyond the side of the vehicle when the scanner is in use.

A modular scanner system comprising a scanner section 90, an input conveyor section 86 comprising a conveyor 94 arranged to convey items towards the scanner section and an output conveyor section 88 comprising a conveyor 96 arranged to move items away from the scanner section, wherein at least one of the conveyor sections is detachably connected to the scanner section. The conveyor sections and scanner may be fitted with wheels.

An X-ray scanner system comprising X-ray source means arranged to emit X-rays from a plurality of source points 12 through an imaging volume 20, an array of X-ray detectors 24 arranged to output detector signals in response to the detection of the X-rays, control means arranged to activate each of the source points in turn, processing means arranged to process the detector signals to produce an image data set corresponding to each of a plurality of views of an object, and a user interface arranged to receive a plurality of different user inputs and a display arranged to display each of the views in response to a respective one of the inputs. The control means may comprise plural view select buttons (106, fig. 10). The processing means may be arranged to produce a plane image data set for each of the source points and the display may display a plane image corresponding to each set. A three dimensional image set may be generated and displayed as a 3d image. Figure 1.

The present invention relates to an X-ray diagnosis apparatus (100) comprising an image-data creating unit (24) adapted to create X-ray images along a time sequence by detecting X-rays radiated from an X-ray tube (12) and passed through a subject

a feature point detecting unit (26a) adapted to detect a position of a feature point included in a certain object which is a treatment instrument on a new image created by the image creating unit (24) each time when the image creating unit (24) creates new image as a new one of X-ray images along a time sequence

a correction-image creating unit (26b) adapted to create a correction image from the new image through at least one of image shift and image transformation, by matching up the position of the feature point detected on the new image by the feature point detecting unit (26a), with a reference position that is a position of a feature point already detected by the feature point detecting unit (26a) on a reference image that is a certain X-ray image created before the new image

and a display control unit (21) adapted to perform control of displaying newly created correction image as an image for display so as to be sequentially and instantly displayed as a moving image onto a certain display unit (23), each time when the correction-image creating unit (26b) newly creates the correction image along a time sequence, wherein the display control unit (21) is further adapted to perform one of control of displaying the image for display and an original image of the image for display onto the certain display unit (23), and control of displaying the image for display and the original image onto different display units separately.

A method and apparatus for X-ray scattering estimation and reconstruction in a digital tomosynthesis system are provided. The apparatus includes a receiver which receives, through a wired or wireless network, X-ray penetration data generated by measuring an object, and a graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected.

An X-ray generator (100) and an X-ray photographing apparatus including the X-ray generator generate characteristic X-rays. The X-ray generator includes an electron beam emission unit (10) that emits electron beams

an electron beam guide unit (20, 22, 24, 26), in which the electron beam emission unit is disposed, for condensing the electron beams and causing the electron beams to travel in a predetermined direction

and a target unit (30) disposed to face the electron beam guide unit, and discharging X-rays when the electron beams collide with the target unit.

Panoramic dental x-ray unit comprising: - a support rotating about an axis and carrying, in the opposite position, an x-ray source and detector which move following a predetermined trajectory and means for acquiring images of the dental arch of a patient corresponding to the positions of the detector and of the source with respect to the dental arch, The device comprises the means for reconstruction of a two portions of a panoramic image corresponding respectively to two disconnected portions of the dental arch (2A-2E, 2F-2D), the reconstruction being performed from certain acquired images which each contain at least one piece of information concerning the two disconnected portions of the dental arch.

Disclosed is image processing: that significantly reduces false images and missing images in reconstructed images, improves reconstruction accuracy

and that can be applied to objects to be observed that are composed of a plurality of components, and to samples having an unknown number of structural compositions. An image processing device is provided with: a means , in an electron microscope having an imaging device and a a tilting device that tilts an object to be observed, for tilting said object to be observed in an angle step, and storing the obtained tiled image

a means for aligning the position of said tilted images

a means for generating an initial reconstructed image based on said tilted images

a means for projecting said initial reconstructed image at arbitrarily-defined angles and generating a plurality of projected images

a means for calculating errors in the corresponding pixels between the tilted images and the projection images

a means for determining a processing priority from said errors

a means for calculating the density for each gradation level

a means for determining the processing priority from said densities

and a means for changing the density value of each pixel in the initial reconstructed image in each of the above-mentioned priorities.