A61B6/4028

MOBILE RADIOGRAPHIC APPARATUS/METHODS WITH TOMOSYNTHESIS CAPABILITY
20180140266 · 2018-05-24 ·

A mobile radiography apparatus has a moveable (e.g., wheeled) transport frame and an adjustable column mounted at the frame. A boom apparatus supported by the adjustable column can support an x-ray source assembly. Radiation or X-ray source assembly methods and/or apparatus embodiments can provide mobile radiography carts a capability to direct x-ray radiation towards a subject from one or a plurality of different source positions, where the X-ray source assembly includes a first x-ray power source and a second plurality of distributed x-ray sources disposed in a prescribed spatial relationship.

SYSTEMS AND METHODS FOR IMAGING WIDE FILM RADIOGRAPHS
20240358340 · 2024-10-31 ·

A method of operating an image apparatus and the imaging apparatus. The method operable to acquire image data of an object with a detector in a selected orientation. The method further operable to acquire image data at an effective detector larger than a physical detector. The image apparatus configured carry out the method.

STRUCTURED DETECTORS AND DETECTOR SYSTEMS FOR RADIATION IMAGING
20180136340 · 2018-05-17 ·

Detector module designs for radiographic imaging include first and second layers of scintillator rods or pixel arrays oriented in first and second directions. The first and second directions are transversely oriented to define a light sharing region between the first and second layers. Encoding features may be disposed in, on or between the first and second layers, and configured to modulate propagation of optical signals therealong or therebetween.

Optimization of the Source Firing Pattern for X-Ray Scanning Systems

The present application discloses a computed tomography system having non-rotating X-ray sources that are programmed to optimize the source firing pattern. In one embodiment, the CT system is a fast cone-beam CT scanner which uses a fixed ring of multiple sources and fixed rings of detectors in an offset geometry. It should be appreciated that the source firing pattern is effectuated by a controller, which implements methods to determine a source firing pattern that are adapted to geometries where the X-ray sources and detector geometry are offset.

Simulated spatial live viewing of an object from variable view-points

A system for providing a simulated spatial live viewing of an object includes a cathode arrangement configured to generate an electron beam towards a target area of an anode, and a processor configured to control the electron beam to hit the anode at a moving focal spot that moves at least in a first moving direction transverse to a viewing direction. Thus, X-ray radiation is generated by the electron beam impinging on the moving focal spot. Further, the system includes a detector configured to detect X-ray radiation at least partially passing an object and to generate respective X-ray detection signals. The processor is further configured to generate monoscopic 2D images based on the detection signals, where the monoscopic 2D images relate to different view-points as defined by the moving focal spot. A display is configured to display the monoscopic 2D images are from the different view-points.

Imaging apparatus
09943275 · 2018-04-17 ·

A tomographic imaging system includes a source configured to irradiate an object; a first image sensor including a first semiconductor substrate having a first face upon which a monolithic first pixel array is located; and a gantry configured to hold the first image sensor and rotate the image sensor around the object about a first rotation axis, the first pixel array including a first plurality of pixels configured to receive light that travels through or from the object based on the irradiation, the first plurality of pixels of the first pixel array being arranged in one or more rows and a plurality of columns such that, a total number of the one or more rows is less than a total number of the plurality of columns, and the one or more rows extend in a first direction, the first image sensor being arranged such that an angle between the first direction and a second direction is greater than 45 degrees and equal to or less than 90 degrees, the second direction being a direction parallel to the rotation axis or a direction in which the object moves during analysis of the object by the imaging system.

Multi-source cone beam computed tomography

Disclosed herein is an apparatus comprising: a first radiation source configured to produce a first divergent radiation beam toward an object; a second radiation source configured to produce a second divergent radiation beam toward the object; and an image sensor; wherein the object is configured to rotate with respect to the image sensor, the first radiation source, and the second radiation source, and wherein relative positions among the image sensor, the first radiation source, and the second radiation source are fixed.

IMAGING APPARATUS
20180035958 · 2018-02-08 ·

A tomographic imaging system includes a source configured to irradiate an object; a first image sensor including a first semiconductor substrate having a first face upon which a monolithic first pixel array is located; and a gantry configured to hold the first image sensor and rotate the image sensor around the object about a first rotation axis, the first pixel array including a first plurality of pixels configured to receive light that travels through or from the object based on the irradiation, the first plurality of pixels of the first pixel array being arranged in one or more rows and a plurality of columns such that, a total number of the one or more rows is less than a total number of the plurality of columns, and the one or more rows extend in a first direction, the first image sensor being arranged such that an angle between the first direction and a second direction is greater than 45 degrees and equal to or less than 90 degrees, the second direction being a direction parallel to the rotation axis or a direction in which the object moves during analysis of the object by the imaging system.

X-ray Tomographic Inspection System for the Identification of Specific Target Items
20180038988 · 2018-02-08 ·

The present invention provides for an improved scanning process with a stationary X-ray source arranged to generate X-rays from a plurality of X-ray source positions around a scanning region, a first set of detectors arranged to detect X-rays transmitted through the scanning region, and at least one processor arranged to process outputs from the first set of detectors to generate tomographic image data. The X-ray screening system is used in combination with other screening technologies, such as NQR-based screening, X-ray diffraction based screening, X-ray back-scatter based screening, or Trace Detection based screening.

Collimation for distanced focal spots

The present invention relates to collimation of X-ray radiation and comprises an X-ray source arrangement for medical imaging, the X-ray source arrangement comprising an X-ray source, and an X-ray beam shutter device. The X-ray source has at least at a first and a second focal spot position distanced apart from each other in a direction transverse to a main radiation direction. The X-ray beam shutter device comprises at least a first pair of shutters defining a first diaphragm, and at least a second pair of shutters defining a second diaphragm. The first pair of shutters is configured for alignment with a first line-of-sight between the first focal spot position and a center of a detector, and the second pair of shutters is configured for alignment with a second line-of-sight between the second focal spot position and a center of a detector. The first and the second diaphragm partly overlap.