345results about "Tomosynthesis" patented technology

Proposed is a C-arm X-ray imaging apparatus that allows dual-energy tomosynthesis (Tomo) imaging using the same driving system as regular Tomo imaging. The apparatus includes a C-shaped arm, an X-ray generator disposed at a first end of the C-shaped arm, and an X-ray detector disposed at a second end of the C-shaped arm to face the X-ray generator with a subject in between, wherein the X-ray generator moves back and forth between first and second positions on opposite sides of an initial position and selectively emits X-rays of different first and second energy levels toward the subject, and the X-ray detector receives the X-rays of the first and second energy levels that have passed through the subject.

An imaging system can include a cone beam tomosynthesis imaging system configured to create a 3D image of a patient anatomy upon an initiation input. The system can also include at least one memory device that has instructions that, when executed by at least one processor, cause the tomosynthesis imaging system to execute multiple actions including obtain the 3D image from the tomosynthesis imaging system; obtain a prior 3D image of the patient anatomy; and register the 3D image with the prior 3D image to produce a composite 3D image. The navigation system can further include an interface system which accepts the initiation input to obtain the 3D image and renders at least a portion of the composite 3D image for review by a supervisor.

An x-ray apparatus and method can improve x-ray imaging in a variety of ways. For example, the improve x-ray apparatus can reduce scatter from x-ray images acquired by two-dimensional detectors. An improved 2D x-ray apparatus can provide 3D imaging for medical and / or industrial applications. An improved 2D x-ray apparatus and method can produce separate material imaging, and composition analysis for characterization and correlation of image, densitometry, and composition information of individual component or individual material within a single subject. Non-rotational 3D microscopy, combining 2D or 3D full field x-ray imaging and high resolution 2D or 3D x-ray microscopy or spectral absorptiometry and spectroscopy can achieve a higher resolution and wider field of view in x-ray imaging and quantitative analysis in 3D and real time. The x-ray apparatus can improve tracking and / or surgical guidance in time and / or space.

Exemplary artificial intelligence (AI) systems, methods and computer-accessible medium can be provided for detecting a breast cancer using mammography. For example, using at least one computer processor, it is possible to receive a mammography image, apply a neural network employing, e.g., a You Only Look Once X (YOLOX) architecture to predict one or more locations and probabilities of lesions. Further, with such exemplary systems, methods and computer-accessible medium, it is possible to make an overall image-level prediction for the received mammography image so as to provide a particular breast cancer prediction. It is also possible to generate breast-level predictions by averaging all predictions from FFDM, C-View, DBT modalities for each breast. For example, when used in clinical decision support, the exemplary model can reduce radiologist workload by, e.g., about 45% and unnecessary recalls by, e.g., about 32.4%, without missing malignancies.

Methods and systems for identifying a region of interest in breast tissue utilize artificial intelligence to confirm that a target lesion identified during imaging the breast tissue using a first imaging modality (e.g. x-ray imaging) has been identified using a second imaging modality (e.g. ultrasound imaging). A computing system operating a lesion matching engine utilizes a machine learning classifier algorithm trained on cases of x-ray images and corresponding ultrasound images in which lesions were identified for further analysis. The lesion matching engine analyzes a target lesion identified with x-ray imaging and a potential lesion identified with ultrasound imaging to determine a likelihood that the target lesion is the same as the potential lesion. A confidence level indicator for the lesion match is presented on a display of a computing device to aid a healthcare provider in locating a lesion in breast tissue.

X-ray imaging systems containing a quick disconnect feature for the X-ray head containing the X-ray source are described. The X-ray imaging systems comprise an X-ray head containing an X-ray source and supporting electronics including high-voltage electronics, a control device, an arm coupled to the X-ray head, and low voltage cabling disposed within the arm and configured to connect the supporting electronics to the control device, the electrical cabling comprising a disconnect between the supporting electronics and the control device, and where the X-ray head is removably attached to the arm so that when the electrical cabling is disconnected, the X-ray head can be removed from the X-ray system. These X-ray imaging systems offer an easier method for removing the X-ray head, such as for replacement, servicing, and / or repair. Other embodiments are described.

An x-ray apparatus and method can improve x-ray imaging in a variety of ways. For example, the improve x-ray apparatus can reduce scatter from x-ray images acquired by two-dimensional detectors. An improved 2D x-ray apparatus can provide 3D imaging for medical and / or industrial applications. An improved 2D x-ray apparatus and method can produce separate material imaging, and composition analysis for characterization and correlation of image, densitometry, and composition information of individual component or individual material within a single subject. Non-rotational 3D microscopy, combining 2D or 3D full field x-ray imaging and high resolution 2D or 3D x-ray microscopy or spectral absorptiometry and spectroscopy can achieve a higher resolution and wider field of view in x-ray imaging and quantitative analysis in 3D and real time. The x-ray apparatus can improve tracking and / or surgical guidance in time and / or space.

Systems and methods for a robotic endoscopy system are provided. The method comprises: (a) receiving instruction to present, at a graphical display, one or both of: one or more tomosynthesis reconstructions or one or more augmented fluoroscopic overlays; and (b) in response to receiving the instruction, causing the graphical display to present one or both of the tomosynthesis reconstructions or the augmented fluoroscopic overlays.

A method of imaging a breast of a patient using an imaging system includes applying, with a first component of the imaging system, a compressive force to the breast. A second component of the imaging system is positioned in a start position. The imaging system sends a first guidance signal to the patient. An imaging procedure of the breast is performed with the second component of the imaging system. Subsequent to performing the imaging procedure, a second guidance signal is sent to the patient.

A back illuminated sensor is included as a collector component of a detector for use in intraoral and extraoral 2D and 3D dental radiography, digital tomosynthesis, photon-counting computed tomography, positron emission tomography (PET), and single-photon emission computed tomography (SPECT). The disclosed imaging method includes one or more intraoral or extraoral emitters for emitting a low-dose gamma ray or x-ray beam through an examination area; and one or more intraoral or extraoral detectors for receiving the beam, each detector including a back illuminated sensor. Within the detector, the beam is converted into light and then focused and collected at a photocathode layer without passing through the wiring layer of the back illuminated sensor.

Methods and systems for identifying internal motion of a breast of a patient during an imaging procedure. The method may include compressing the breast of the patient in a mediolateral oblique (MLO) position. During compression of the breast, a first tomosynthesis MLO projection frame for a first angle with respect the breast is acquired and a second tomosynthesis MLO projection frame for a second angle with respect to the breast is acquired. Boundaries of the pectoral muscle are identified in the projection frames and boundary representations are generated. A difference between the first representation and the second representation is determined. A motion score is then generated based on at least the difference between the first representation and the second representation.

A console as a medical image acquisition guidance device includes a projection processing unit configured to, in a case in which a radiation image and an ultrasound image of a breast in a state of being compressed by a compression member are captured, perform processing of projecting a guide image for guiding at least one of a scanning region or a scanning direction of an ultrasound probe used for capturing the ultrasound image onto a side of the compression member opposite to a compression side of the breast according to an effective width, which is a region in which transmission and reception of an ultrasonic wave are possible, of the ultrasound probe, in capturing the ultrasound image.

Systems and methods are described that implement displaying grouped medical images for review. Current medical image management systems generally use thumbnail image grouping of images that have the same position and side. These groups of thumbnail images can be large, making it difficult for a clinician (e.g., a radiologist) to quickly find a particular view they are interested in reviewing. The disclosed systems and methods provide for user-selectable grouping and ungrouping of thumbnail images in a graphical user interface, which makes it easier for a clinician to quickly find a particular view that they are interested in and enables a more-efficient review of an imaging study.

According to one embodiment, an X-ray diagnostic apparatus includes an X-ray irradiator, a scatterer, a grid, and a detector. The X-ray irradiator irradiates X-rays. The scatterer is provided between the X-ray irradiator and an object, that scatters the irradiated X-rays. The grid is provided between the scatterer and the object, that transmits the scattered X-rays within a predetermined angular range. The detector detects X-rays transmitted through the object together with an incident angle of the X-rays.

An X-ray detector module of a multi-module X-ray detector array having a local processing unit configured to provide real-time control and computational capabilities at the x-ray detector module. In various embodiments, by providing these capabilities in the detector module itself, as opposed to a component located downstream of the detector module, there may be an immediate cost reduction, opportunities to include additional features, and performance improvement opportunities not otherwise practical to implement in conventional X-ray imaging systems.

The invention provides, in some aspects, a system for implementing a rule derived basis to display volumetric image sets. In various embodiments of the invention, the selection of the images to be displayed, the generation of the 3-D volumetric image from measured 2-D images including the rendering parameters and styles, the choice of viewing directions and 2-D projection images based on the viewing directions, the layout of the projection images, and the formation of a video can be determined using a rule derived basis. In an embodiment of the present invention, the user is presented with sequential images making up a video displayed based on their preferences without having to first manually adjust parameters. The present invention allows for novel ways of viewing such images to detect microcalcifications and obstructions when reviewing Digital Breast Tomosynthesis and other volumetric mammography images.

Method for operating a dental diagnostic imaging system for temporomandibular joint (TMJ) diagnostics and / or TMJ therapy, providing at least two modalities for generating (205, 210) three-dimensional image data, wherein a first image and at least a second image depicting the surface of the object (120) to be imaged are tomographically generated for a dental object (120) comprising at least one TMJ (105, 110), wherein the at least two three-dimensional image data generated (205, 210) in the at least two images are combined by means of a multimodal registration (225, 230) (225), wherein the generation (205, 210) of the at least two three-dimensional image data on the object (120) to be imaged is carried out with markings (125, 310 - 325) captured in the at least two images of different modalities (200).and wherein the at least two three-dimensional image data are spatially assigned to the temporomandibular joint (105, 110) by means of multimodal registration (225, 230) on the basis of the markers (125, 310-325) captured in the three-dimensional image data of both modalities (225), wherein the markers (125, 310-325) are arranged in a spatially restricted recording area for the at least two recordings of different modalities, wherein the markers (125, 310-325) are visible in the at least two recordings of different modalities, and wherein the image data generation is carried out at least by means of the first tomographic recording with the spatially restricted recording area corresponding to the markers (125, 310-325) (205, 210), wherein the spatially restricted recording area is arranged within the oral region of a patient for temporomandibular joint diagnostics and / or for temporomandibular joint therapy, characterized in thatthat the markings (125, 310 - 325) are arranged on a template (115) that can be precisely positioned within the patient's oral cavity, wherein the template (115) is placed in the restricted recording area (200) before the generation (205, 210) of the three-dimensional image data.

Provided are a radiography system, an image processing device, an image processing method, and an image processing program that prevent an image of a correction marker from being included in a reconstructed region of a tomographic image obtained by reconstructing a plurality of projection images. A radiography system includes a correction marker that is used to obtain a marker image included in at least one of a plurality of projection images obtained by tomosynthesis imaging, is provided in an irradiation path of radiation in a radiation emitting unit, and is disposed at the position where the marker image is included in a region other than a reconstructed region in the projection image, the reconstructed region being a region used in a case in which the tomographic image is reconstructed from the plurality of projection images among the regions included in the plurality of projection images.

The present invention provides an X-ray imaging system using a plurality of pulsed X-ray sources in motion for performing efficient and ultrafast 3D radiography using an X-ray flexible curved panel detector. There are a plurality of pulsed X-ray sources mounted on a structure in motion to form a source array. The sources move simultaneously relative to an object at a constant speed as a group along a predefined arcuate trajectory. Each individual X-ray source can move a small distance around its static position. The individual source is activated when it has a speed equal to the group speed but has an opposite direction of movement. This allows the source to remain relatively stationary during activation. The operation results in a reduced source travel distance for each individual source. 3D radiography image data can be acquired in a much shorter time with a much wider sweep angle, and image analysis can also be performed in real time.

An x-ray imaging system comprises an x-ray emitter for emitting a beam of x-ray photons in a projection pattern, a first photon detector, a second photon detector, and an orbital travel assembly. The first photon detector and second photon detector are configured for sensing a first detection pattern of photons and a second detection pattern of photons, respectively, emitted from the x-ray emitter and passing through a portion of the weld. The orbital travel assembly is configured for supporting the x-ray emitter and the first and second photon detectors The second photon detector is positioned behind the first photon detector in a direction of travel along an orbital weld path, such that the second photon detector is configured to sense the second detection pattern after the first photon sensor detects the first detection pattern, in use.

An X-ray detector comprises a detector panel (100) comprising a surface with a plurality of detector pixels, wherein the detector pixels are configured to convert received X-rays into electric signals representative of values indicative of the received X-rays. A data interface (308) transmits images having a fixed number of output pixels. A control unit controls to set (401) a region of interest comprising at least a subset of the plurality of detector pixels, wherein a number of detector pixels in the region of interest is independent of the number of output pixels. The control unit maps (403) the region of interest onto an output image having the fixed number of output pixels. The control unit resamples (404) the detector pixels within the region of interest to obtain values for the output pixels of the output image, and transmits (405) the output image via the data interface.

X-ray system (2) comprising an X-ray source (4) which, during operation, generates X-ray radiation (10) at several X-ray focal spots (8), - wherein each X-ray focal spot (8) is assigned a collimator (12) which selects the X-ray radiation (10) generated in the respective X-ray focal spot (8) and directed towards a common detector (14), and - wherein the collimators (12) are arranged in a fixed position with respect to their respective associated X-ray focal spot (8).

The invention relates to a method for generating a plurality of projection records. The method comprises the steps of: simultaneously activating a plurality of X-ray sources multiple times at a start time for each clocked exposure time period to generate an X-ray beam having a modulated emission intensity; and during the exposure time period, detecting an X-ray beam of the X-ray source by means of the X-ray detector at a start time, thereby producing a plurality of projection records. The method is characterized in that during the period of the exposure time period, the emission intensity of the X-ray sources is amplitude-modulated about a constant offset emission intensity greater than zero, such that the emission intensity of at least one of the X-ray sources differs at two successive starting times, the emission intensity of the X-ray sources being not equal to zero during the exposure time period.

According to an exemplary embodiment of the disclosure, an imaging system and method is provided for determining the need for generation of enhanced diagnostic images of a patient. The imaging system includes a radiation source operable at to emit radiation at multiple energy levels, a detector alignable with the radiation source, a controller operably connected to the radiation source and detector to generate image data in an imaging procedure, and a computer aided detection (CAD) system configured to analyze low energy (LE) images to locate regions of interest (ROI) and / or other triggering attributes, characteristics or findings within the object. Upon locating one or more triggering attributes, characteristics or findings within the LE images, the system and method can acquire one or more high energy (HE) images of the object, and can process the one or more LE images and the one or more HE images to form enhanced diagnostic images.

A system and method for reviewing a tomosynthesis image data set comprising volumetric image data of a breast, the method comprising, in one embodiment, causing an image or a series of images from the data set to be displayed on a display monitor and selecting or indicating through a user interface an object or region of interest in a presently displayed image of the data set, thereby causing an image from the data set having a best focus measure of the user selected or indicated object or region of interest to be automatically displayed on the display monitor.

The housing for a breast imaging system contains an x-ray source and is configured to rotate relative to the breast. The housing for an x-ray receptor has a breast support platform and extends from an arm assembly which rotates independently from the x-ray source housing. A compression arm assembly connected to the arm assembly moves between a first linear position proximate the x-ray receptor housing and a second linear position distal the x-ray receptor housing. A pair of extension arms are pivotably connected to a strut which removably secures a compression paddle to the compression arm assembly substrate. The extension arms move between a first pivoted position substantially aligned with the strut and a second pivoted position disposed at an angle to the strut.

The invention relates to a mammography system having a stand unit for locating the mammography system on the floor; an L-shaped source unit, the L-shaped source unit including an arm connected to an X-ray detector in a rotatably mounted manner on a front face of the stand unit, and another arm of the L-shaped source unit protrudes substantially perpendicularly, an X-ray source being located at an end of the source unit remote from the stand unit; and a substantially U-shaped protective unit.

The invention relates to a computer-implemented method for determining bone information describing the skeletal maturity of a patient (54), comprising the steps: providing input data, comprising spectrally resolved X-ray data of an area of ​​interest (33) of the patient (54) to be used for assessing skeletal maturity with at least two X-ray image datasets related to different X-ray spectra, applying a trained evaluation function to the input data to obtain the bone information as output data, and outputting the bone information.

An image processing device detects a spicula candidate region having a radial line structure from each of a plurality of tomographic images indicating a plurality of tomographic planes of an object, selects, as a tomographic image group, a plurality of the tomographic images corresponding to a plurality of the spicula candidate regions indicating the same radial line structure among a plurality of the detected spicula candidate regions, and generates a composite two-dimensional image using the selected tomographic image group.

The present invention relates to an X-ray imaging apparatus having an X-ray generator and an X-ray detector disposed at both ends of a C-shaped arm so as to take X-ray images of an object placed therebetween, the X-ray imaging apparatus comprising: the C-shaped arm; a guide rail connected to one end of the C-shaped arm; the X-ray generator connected to the guide rail; the X-ray detector disposed at the other end of the C-shaped arm and facing the X-ray generator; and a drive unit for moving the X-ray generator along the guide rail.