523results about "Tomosynthesis" patented technology

A method for determining an abnormality in a medical device from a medical image is provided. The method for determining an abnormality in a medical device comprises receiving a medical image, and detecting information on at least a part of a target medical device included in the received medical image.

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.

A method for processing breast tissue image data includes obtaining image data of a patient's breast tissue, processing the image data to generate a set of image slices, the image slices collectively depicting the patient's breast tissue; feeding image slices of the set through each of a plurality of object-recognizing modules, each of the object-recognizing modules being configured to recognize a respective type of object that may be present in the image slices; combining objects recognized by the respective object-recognizing modules to generate a synthesized image of the patient's breast tissue; and displaying the synthesized image.

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.

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.

A method is provided for method for navigating a robotic endoscopic apparatus comprising: (a) navigating the robotic endoscopic apparatus to a target region inside of a body part; (b) acquiring a fluoroscopic image using a fluoroscopic imager when a tool is extended through the robotic endoscopic apparatus into the target region, where the fluoroscopic image comprises a plurality of slices stacked in a depth direction; and (c) identifying a first slice with a first coordinate corresponding to a center of the target region in the depth direction, and a second slice with a second coordinate corresponding to the tool in the depth direction; and (d) determining whether the tool is inside the target region based on a difference between the first coordinate and the second coordinate.

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.

A first display unit that is provided at a position of an arm part in front of an examinee, and a second display unit that is provided at a side surface of the arm part are provided. Then, control of switching between the display units that display an ultrasound image is performed according to a rotational position of the arm part.

A multitube X-ray emitter housing according to the invention includes a housing, a high-voltage supply and a cooling device with an electrically insulating cooling medium. The high-voltage supply has a plurality of high-voltage contacts connected in parallel on a single high-voltage supply lead. A first of at least one side surface of the housing has a first electrically conductive housing portion with a temperature-dependent electrical conductivity. The multitube X-ray emitter housing further includes: a control unit having an interface to receive a measured value representing the electrical conductivity of the first electrically conductive housing portion and to compare the measured value with a threshold value; and a switching device to switch off the high voltage based on the comparison.

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.

An apparatus has an upright gantry. A tube arm assembly and a compression arm assembly are rotatably coupled to the gantry. The tube arm assembly independently rotates relative to the compression arm assembly. A controller disposed on the gantry is operably connected to at least one of the tube arm assembly and the compression arm assembly.

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.

According to one aspect of an exemplary embodiment of the disclosure, an imaging device or system, e.g., a mammography imaging system or device, includes a distance and location sensing system on the imaging system / e to provide accurate distance and position information from one or more sensing device(s) constituting the system that measure the elapsed time between the emission of the wave or radiation from the sensing device and the detection of the reflected wave or radiation. Examples of the types of sensing devices include ultrasound sensing devices, MEMS radar devices and time-of-flight (ToF) sensing devices. The distance information can be employed to determine the relative positions to produce a distance map illustrating the position and shape of any objects sensed within the zone by the sensing device(s), to determine the rate of change of the positions, i.e., the speed, of the objects relative to one another for use in controlling movement of various components of the imaging system, and to determine the shape of the object and changes in the shape of the object.

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 display unit is provided on a side surface of an arm part. Then, a mechanism that rotates the display unit in conjunction with rotation of the arm part is provided between the display unit and the arm part. A 3-axis gimbal mechanism is applied as an example of the mechanism that rotates the display unit in conjunction with the rotation of the arm part, and the display unit is rotated in conjunction with the rotation of the arm part.

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 imaging system includes an x-ray tube head, a support arm, and a compression system coupled to the support arm. The compression system is independently rotatable relative to the x-ray tube head and includes a compression paddle, a support platform, and an x-ray receptor. The imaging system also includes a light assembly coupled to the support arm and disposed above the compression paddle. The light assembly is configured to direct one or more beams of light towards the support platform.

Systems and methods for x-ray imaging a patient's breast in combinations of dual-energy, single-energy, mammography and tomosynthesis modes that facilitate screening for and diagnosis of breast abnormalities, particularly breast abnormalities characterized by abnormal vascularity.

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.

Methods and systems are provided for automatically assessing a level of BPE of a patient of an imaging system based on one or more medical images of one or more breasts of the patient, using a deep learning (DL) model. The medical images may include contrast enhanced mammography (CEM) images, magnetic resonance (MR) images, or a different type of images. The one or more images may include one or more images of a same breast, where the BPE assessment outputted by the DL model may include a score, such as a percentage of BPE detected in the images. The one or more images may include images of a left breast and a right breast of the patient, where the BPE assessment outputted by the DL model may include whether an asymmetry between BPE assessments of the left breast and the right breast is detected.

Various systems are provided for non-uniform thickness and / or sampling of slabs of the breast to present DBT acquisitions. A method for generating a patient image as a set of slabs representing an imaged object, the method comprising acquiring a tomosynthesis projection, reconstructing a series of slab images, each slab representing a portion of a breast, and a plurality of slabs of non-uniform thickness and / or non-uniform sampling in a 3D reconstructed domain defined by x-, y-, and z-axes.

The method for generating a resultant image comprises: defining curved slices between a compression plate and a detector, each curved slice having a shape that follows a curvature of the compression plate and / or detector or that represents a transition between the curvatures; reconstructing slice images that lie on the curved slices; generating the resultant image as a slice stack of the slice images; and outputting the resultant image.

Proposed is a C-arm X-ray imaging apparatus that has a limited footprint to be able to operate and be moved in a narrow space such as an operating room and a treatment / procedure room. The X-ray imaging apparatus includes a C-arm part including a C-shaped arm, and an X-ray generator and an X-ray detector disposed oppositely at both ends of the C-shaped arm, a main body part including a movable mobile base, and an arm part configured to connect the main body part and the C-arm part, wherein the X-ray generator is separately movable with respect to an end of the C-shaped arm, and a footprint of the mobile base is less than 1 m2.