A61B6/5241

Tomosynthesis method
11704845 · 2023-07-18 · ·

A method includes recording a plurality of projection recordings along a linear trajectory. An X-ray source and an X-ray detector move in parallel opposite to one another along the linear trajectory and the examination object is arranged between the X-ray source and the X-ray detector. The method includes reconstructing a tomosynthesis dataset, respective depth information of the examination object is respective determined along an X-ray beam bundle spanned by the motion along the linear trajectory and an X-ray beam fan of the X-ray source perpendicular to the linear trajectory so that different respective depth levels in the object parallel to a detection surface of the X-ray detector are respectively scanned differently. Finally, the method includes determining a first slice image with a first slice thickness in a depth level, among the respective depth levels, substantially parallel to the detection surface of the X-ray detector based on the tomosynthesis dataset.

MULTIMODAL RADIATION APPARATUS AND METHODS
20230017353 · 2023-01-19 · ·

An imaging apparatus comprises a rotatable gantry system positioned at least partially around a patient support; a first source of radiation coupled to the rotatable gantry system, the first source of radiation configured for imaging radiation; a second source of radiation coupled to the rotatable gantry system; and a first radiation detector coupled to the rotatable gantry system and laterally movable relative to a central beam of the first source of radiation to receive radiation from at least the first source of radiation over various fields of view. Alternative configurations of the imaging apparatus and methods of using the imaging apparatus are also provided.

MULTI-PANEL DETECTOR AND IMAGING SYSTEM INCLUDING THE SAME
20230016805 · 2023-01-19 · ·

Provided are a multi-panel detector including a marker to accurately match images photographed on a plurality of panels, and an imaging system including the same. A detector according to an exemplary embodiment of the present invention includes: a panel unit including a first panel and a second panel disposed while partially overlapping a rear portion of an end of the first panel; at least one marker disposed between a front portion of the first panel and a front portion of the second panel; and a radiation transmitting part formed at an end of the first panel and provided with the marker.

SYSTEMS AND METHODS FOR SURGICAL NAVIGATION
20230008222 · 2023-01-12 ·

Imaging systems and methods may facilitate positioning an imaging device in a procedure room. A 3D image of a subject may be obtained, where the subject is to have a procedure performed thereon. A view of the 3D image of the subject may be adjusted to a desired view and an associated 2D image reconstruction at the desired view may be obtained. A position for the imaging device that is associated with the desired view of the 3D image of the subject may be identified. Adjusting a view of the 3D image to a desired view and obtaining a 2D image reconstruction may be performed pre-procedure, such that a user may be able to create a list of desired views pre. A user may adjust a physical position of the imaging device to obtain reconstructed 2D preview images at the adjusted physical position of the imaging device prior to capturing an image.

SYSTEMS AND METHODS FOR SIMULTANEOUS MULTI-SLICE IMAGING

A method for SMS imaging may include obtaining target k-space data related to a region of interest (ROI) of an object. The method may also include generate, based on the target k-space data using a trained reconstruction model, a plurality of target images each of which corresponds to one of a plurality of target slices of the ROI at one of a plurality of target acquisition periods.

SYSTEM AND METHOD FOR SYNTHETIC BREAST TISSUE IMAGE GENERATION BY HIGH DENSITY ELEMENT SUPPRESSION

A method and breast imaging system for processing breast tissue image data includes feeding image data of breast images to an image processor, identifying image portions depicting breast tissue and high density elements and executing different processing methods on input images. A first image processing method involves breast tissue enhancement and high density element suppression, whereas the second image processing method involves enhancing high density elements. Respective three-dimensional sets of image slices may be generated by respective image processing methods, and respective two-dimensional synthesized images are generated and combined to form a two-dimensional composite synthesized image which is presented through a display of the breast imaging system. First and second image processing may be executed on generated three-dimensional image sets or two-dimensional projection images acquired by an image acquisition component at respective angles relative to the patient's breast.

Line scanner imaging device, system, and methods

An imaging device for obtaining long-film images of an anatomical element of a patient or of another object includes a wheeled base comprising an elongate track; a trolley comprising a base portion slidably connected to the elongate track and an upper portion rotatably connected to the base portion, the trolley slidable along the elongate track a distance of at least 40 cm; a C-shaped arm defining a semi-circle about a C-shaped arm axis, the C-shaped arm rotatably supported by the upper portion of the trolley; a source fixedly secured to the C-shaped arm; and a detector fixedly secured to the C-shaped arm opposite the source.

CO-REGISTRATION OF INTRAVASCULAR DATA AND MULTI-SEGMENT VASCULATURE, AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS
20220395333 · 2022-12-15 ·

Disclosed is a medical imaging system, including a processor circuit configured for communication with an x-ray imaging device movable relative to a patient and an intravascular catheter or guidewire sized and shaped for positioning within a blood vessel of the patient, wherein the processor circuit is configured to receive a first angiographic image of a first length of the vessel and a second angiographic image of a second length of the vessel, wherein the first image is obtained at a first position and the second angiographic image is obtained at a second position. The processor is further configured to generate a roadmap image of a combined length of the blood vessel by combining the first image and the second image, and to receive intravascular data associated with the blood vessel, and to co-register the intravascular data to corresponding locations in the roadmap image; and output the roadmap image and a graphical representation of the intravascular data at the corresponding locations in the roadmap image.

System and method for using non-contrast image data in CT perfusion imaging
11523789 · 2022-12-13 · ·

A system and method for generating a parametric map of a subject's brain includes receiving non-contrast computed tomography (NCCT) imaging data and receiving computed tomography perfusion (CTP) data. The method further includes creating a baseline image by utilizing the NCCT data and generating a parametric map using the CTP data and the baseline image.

Providing a medical image

A method is for providing a medical image of a patient, acquired via a computed tomography apparatus. An embodiment of the method includes acquiring first projection data of a first measurement region; acquiring second projection data of a second measurement region; registering a reference image to the at least one respiration-correlated image of the patient, wherein the reference image corresponds to the at least one functional image of the patient or is reconstructed under a second reconstruction rule from the second projection data, to produce a deformation model; applying the deformation model to the at least one functional image of the patient; combining the at least one functional image of the patient, deformed by the applying of the deformation model, with the at least one respiration-correlated image of the patient, to produce the medical image of the patient; and providing the medical image of the patient.