24 results about "Fluoroscopic imaging" patented technology

The invention discloses an IC (integrated circuit) chip packaging detection method for realizing system-in-package and 3D (three-dimensional) packaging, which relates to the technical field of chip packaging detection, and comprises the following steps: vertically stacking a plurality of DRAM (dynamic random access memory) core particles on a basic logic core particle with a micro-bump array on the surface through silicon through holes, and activating a self-detection circuit to obtain a suspicious area coordinate list; dividing regional risk levels through a targeted scanning scheduling algorithm, and generating a differentiated scanning parameter set; for each suspicious area, controlling an external X-ray source to collect multispectral projection data according to the differential scanning parameter set; performing three-dimensional reconstruction on the multiple groups of multispectral projection data by using an enhanced reconstruction model embedded with physical priori knowledge to obtain enhanced three-dimensional body data; and performing automatic defect identification on the enhanced three-dimensional body data, and outputting the identified defect as a detection result. The invention aims to solve the problems of difficulty in perspective imaging and insufficient resolution of internal defects of the high-density 3D stacked chip.

Example systems and techniques are disclosed that may determine a three-dimensional (3D) model of a coronary vasculature of a patient. An example system may include memory configured to store the 3D model and processing circuitry communicatively coupled to the memory. The processing circuitry may be configured to obtain first fluoroscopy imaging data from a first viewing angle and obtain second fluoroscopy imaging data from a second viewing angle. The processing circuitry may be configured to determine the 3D model of the coronary vasculature of the patient based on the first fluoroscopy imaging data and the second fluoroscopy imaging data. The processing circuitry is configured to obtain additional imaging data from one or more imagers other than a fluoroscopy imager and update the 3D model based on the additional imaging data. The processing circuitry may be configured to output for display a representation of the 3D model.

A system and method for navigation of a luminal network including receiving a computed tomography (CT) image data set, generating a three-dimensional (3D) model, displaying the 3D model in a user-interface on a display operatively connected to the computing device, and receiving an indication of a location of a tumor in the CT image data set. The system and method further including displaying the location of the tumor in the 3D model, receiving an indication of a margin around the tumor to achieve a desired therapy, generating a pathway to the tumor for navigation of a catheter, receiving a location of a sensor associated with a navigation catheter and registering the CT image data set with a luminal network of a patient, displaying the location of the sensor within the 3D model that substantially corresponds to the location of the sensor within the luminal network of the patient.

To display, in real time, a fluoroscopic image subjected to super-resolution processing without requiring recognition or designation of a range of a subject image.SOLUTION: An X-ray image is generated from an output of an X-ray detector, and a field-of-view region corresponding to an irradiation region within the X-ray image is determined on the basis of a position of diaphragm blades of a movable diaphragm or the X-ray image. A magnification factor for enlarging the field-of-view region to a display image having a predetermined size is calculated. When the magnification factor is greater than a predetermined value, the X-ray image of the field-of-view region is enlarged to the size of the display image at the magnification factor while being subjected to high-resolution processing by first high-resolution processing. When the magnification factor is equal to or less than the predetermined value, the X-ray image of the field-of-view region is enlarged to the size of the display image at the magnification factor while being subjected to high-resolution processing by second high-resolution processing having a shorter processing time than the first high-resolution processing.SELECTED DRAWING: Figure 2

An X-ray fluoroscopic imaging apparatus includes: a C-arm 17 that is rotatable, and supports an X-ray tube 13 and an X-ray detector 15 such that the X-ray tube 13 and the X-ray detector 15 are opposite to each other; an image generator 43 that generates X-ray images L using detection signals of the X-ray detector 15; and an image display device 11 that displays the X-ray images L. The image display device 11 includes: an image display unit 49 that can display information display images D in a row and a column in a matrix; an input unit 51 that inputs an instruction to change a position at which image information K is displayed in each of the information display images D such that at least two of the X-ray images L are displayed adjacently in the respective information display images D; and an image display control unit 57 that causes the image display unit 49 to display the X-ray images L adjacently based on a content of the instruction.

The application discloses an IC chip package detection method for realizing system-level package and 3D package, and relates to the technical field of chip package detection, and comprises the following steps: vertically stacking a plurality of DRAM core particles on a basic logic core particle provided with a micro-bump array on a surface through a through silicon via, and activating a self-detection circuit to obtain a suspicious area coordinate list; dividing area risk levels and generating a differentiated scanning parameter set through a targeted scanning scheduling algorithm; controlling an external X-ray source to collect multi-spectral projection data according to the differentiated scanning parameter set for each suspicious area; performing three-dimensional reconstruction on a plurality of sets of multi-spectral projection data by using an enhanced reconstruction model embedded with physical prior knowledge to obtain enhanced three-dimensional body data; and performing automatic defect identification on the enhanced three-dimensional body data, and outputting the identified defects as detection results. The application aims to solve the problems of perspective imaging difficulty and insufficient resolution of internal defects of high-density 3D stacked chips.

Example systems, devices, and techniques are described for lesion characterization. An example medical system includes one or more memories configured to store one or more memories configured to store fluoroscopy imaging data of a patient and processing circuitry communicatively coupled to the memory. The processing circuitry is configured to obtain the fluoroscopy imaging data, the fluoroscopy imaging data including imaging data of one or more calibration artifacts. The processing circuitry is configured to execute one or more machine learning models to determine, based on the imaging data of the one or more calibration artifacts, a calibration factor. The processing circuitry is configured to apply the calibration factor to the fluoroscopy imaging data and output a representation of the fluoroscopy imaging data based on the application of the calibration factor to the fluoroscopy imaging data.

An X-ray fluoroscopic imaging apparatus (100) includes a table (2), a table operation unit (51), and a controller (31). The controller is configured or programmed to move the table based on an operation input to the table operation unit in a first control performed when movement of the table is not prohibited, and move a center (42a) of an X-ray irradiation field (42) of an X-ray image (41) on a display (40) without moving the table based on the operation input to the table operation unit in a second control performed when the movement of the table is prohibited.

A mobile radiolucent table system configurable for medical imaging includes a table pedestal comprising a table base portion and a table support mounted to the table base portion; a platform supported by the table support; a frame translatably mounted to the platform and configured for positioning a patient; and an actuator configured to linearly translate the frame relative to the platform between a fully extended configuration and a fully retracted configuration, wherein in the fully extended configuration, a front edge of the frame projects from the platform at least 1 meter past a front edge of the platform and a front edge of the table base portion, wherein the fully extended configuration is configured for medical imaging.

This invention relates to an artificial valve delivery device and system. The device includes a balloon catheter, a bend-controlled outer tube, and a proximal handle. The balloon catheter includes a balloon body, a first stop, and at least two alignment imaging elements. The first stop is located at the distal end of the balloon body and is used to limit the compression of the artificial valve. The alignment imaging elements are located on the first stop, and multiple alignment imaging elements are distributed circumferentially. At least some of the alignment imaging elements differ in at least one of axial length, shape, or circumferential position, for forming orientation identification features under fluoroscopic imaging. The proximal end of the balloon catheter is provided with an external marker including multiple circumferentially distributed alignment marks, which correspond to the alignment imaging elements. The bend-controlled outer tube is sleeved outside the balloon catheter and includes a bendable adjustment section. The proximal handle is connected to the proximal ends of the balloon catheter and the bend-controlled outer tube and includes a bending control mechanism and a position adjustment mechanism.

An example medical system includes one or more memories configured to store fluoroscopy imaging data of a patient of a plurality of vessel locations. For each of the plurality of vessel locations, the fluoroscopy imaging data includes at least three images. Each of the at least three images are captured from an angle different from a capture angle of each other of the at least three images. The system includes processing circuitry configured to obtain the fluoroscopy imaging data. The processing circuitry is configured to execute one or more machine learning models to determine, based on the fluoroscopy imaging data, a three-dimensional (3D) characteristic of a lesion, a 3D lesion volume, and 3D spatial information. The processing circuitry is configured to output a 3D visualization of the plurality of vessel locations including a visualization of the lesion.

A computer-assisted medical system comprises a fluoroscopic imager having a full scan range in a surgical coordinate space. The system further comprises one or more processors configured to perform a method. The method includes receiving a first fluoroscopic image data set of a patient anatomy. The first fluoroscopic image data set is obtained from the full scan range of the fluoroscopic imager. The method further includes receiving at least one additional fluoroscopic image data set of the patient anatomy from the fluoroscopic imager operating in a constrained range substantially smaller than the full scan range. The method further includes constructing a first planar tomographic image from the first and at least one additional fluoroscopic image data sets.

A handheld target visual coordinate measurement method, system and medium based on phase characteristics, the measurement method is: based on three frequency superimposed phase target feature points, three-step phase shift images are obtained by acquiring RGB three-channel images with a binocular camera, and a calibrated phase-height model is combined to realize three-dimensional reconstruction of a single area array feature circular / elliptical cone, since feature imaging is a one-to-one mapping relationship, the image feature set can be effectively avoided in the binocular camera perspective imaging process, the application also includes a system for executing the method, and a medium for storing the method; the method can improve the measurement efficiency, reduce the feature point extraction error, increase the measurement field of view, solve the influence of the imaging system defocus on the target feature point extraction, and realize the online high-precision measurement of the handheld target system.

A system and method for constructing fluoroscopic-based three dimensional volumetric data from two dimensional fluoroscopic images including a computing device configured to facilitate navigation of a medical device to a target area within a patient and a fluoroscopic imaging device configured to acquire a fluoroscopic video of the target area about a plurality of angles relative to the target area. The computing device is configured to determine a pose of the fluoroscopic imaging device for each frame of the fluoroscopic video and to construct fluoroscopic-based three dimensional volumetric data of the target area in which soft tissue objects are visible using a fast iterative three dimensional construction algorithm.

This application discloses systems and methods for pose estimation and calibration of fluoroscopic imaging systems in image-guided surgery. A method performed by a computing system includes receiving first fluorescein image data of a first reference marker in a surgical coordinate space from a fluorescein imager having a first set of parameters. The method includes receiving a configuration of the first reference marker in the surgical coordinate space. The method includes determining a second set of parameters of the fluorescein imager in the surgical coordinate space based on the first fluorescein image data and the configuration of the first reference marker. In some embodiments, determining the second set of parameters includes developing a calibration model of the reference marker in the surgical coordinate space from the first fluorescein image data and the configuration of the first reference marker.

In a fluoroscopic image capturing apparatus, an internal structure of a specimen can be appropriately evaluated. To provide a fluoroscopic image capturing apparatus 1 including: a timing control device 13 configured to output an irradiation timing signal S1 in synchronization with a drive timing signal S4 for driving a specimen 31 or a timing signal S5 as a detection result of an operation of the specimen 31; electromagnetic wave generation units 22 and 23 configured to irradiate, in synchronization with the irradiation timing signal Si, the specimen 31 with a pulsed electromagnetic wave beam B1 having a wavelength with which the electromagnetic wave beam B1 is transmitted through the specimen 31; and an electromagnetic wave detection device 41 configured to receive the electromagnetic wave beam B1 transmitted through the specimen 31.

Aspects of the present disclosure are directed to apparatuses for generating a magnetic field for tracking of a target object. Such an apparatus may include a localized magnetic field transmitter that generates a magnetic field and exhibits minimal X-ray absorption when used in proximity to a fluoroscopic imaging system, for example.

The invention relates to the technical field of medical instruments, in particular to an intelligent traction device combining biplane perspective imaging and multi-dimensional force control, which comprises a multi-dimensional force control traction mechanism, a biplane dynamic perspective system and an intelligent control center, and the intelligent control center comprises a biomechanical analysis module and a closed-loop control module. The size, direction and torque of traction force are detected in real time through the multi-dimensional force sensor, and the problems that an existing device is inaccurate in traction force value and cannot detect lateral deviation force are solved; through synchronization with a biplane X-ray perspective system, biplane dynamic image data are obtained and processed by a biomechanical analysis module, and real-time data and kinematics data are obtained; the intelligent control center dynamically regulates and controls the electric control actuator through the closed-loop control module on the basis of real-time data and preset parameters, precise self-adaptive adjustment of traction force, angle and rhythm is achieved, the purpose of personalized precise treatment is achieved, the safety and effectiveness of treatment are greatly improved, and a quantitative tool is provided for traction therapy research.

The present x-ray fluoroscopic imaging apparatus (100) has a control section (6) that performs control to cause an x-ray irradiation section (21) to irradiate x-rays based on an input operation by an operation section (3), and performs control to generate an x-ray image, the control section (6) being configured to, in a case where a pixel value of a pixel included in the generated x-ray image is included in a range of a target pixel value (58), cause the x-ray irradiation section (21) to stop irradiation of x-rays even if an input operation to cause x-rays to be irradiated is continuously received by the operation section (3).

The application discloses a control method and device of a perspective imaging equipment, electronic equipment and a storage medium, and the control method comprises the following steps: acquiring a vector between a cone beam center X of an optical machine and a center point B, the vector being based on a preset three-dimensional coordinate system; generating a vector between the cone beam center X and a center point O and an included angle A between the vector and a target plane S, 0DE≤A≤90DE, the vector being based on the preset three-dimensional coordinate system; and when |A-90DE|≤a preset threshold value, the cone beam center X of the optical machine coincides with the center point O of a detector, wherein the preset threshold value is greater than 0. Thus, the cone beam center of the optical machine in the optical machine and the center point of the detector can be ensured to coincide.

This invention belongs to the field of perspective imaging and provides a method and system for perspective imaging of occluded objects. The method includes acquiring a background image and an image of an occluded object under the same environment; dynamically identifying the occluded object in the image based on a pre-trained target detection model and obtaining an occluded object bounding box using rectangular boxes; processing the original occluded object image using the occluded object bounding box as a region of interest to obtain a processed image of interest; extracting the occluded object based on its HSV range according to the processed image of interest and performing binarization processing to obtain an occluded object image mask region; and superimposing the occluded object mask region with the mask region of the background image to obtain a visual perspective image of the occluded object.

A system for a trajectory and aiming guide for use with fluoroscopy is comprised of a ring holder is with a plurality of connecting arms, a radiolucent ring disk with an outer perimeter wall and a central axle on the bottom surface of the ring disk; a first rotatable disk located below the ring holder and comprised of a handle, a radiolucent disk ring with a central cutout to receive the central axle, the material of the disk comprising an embedded array of a plurality of radiopaque wires and an outer perimeter wall; a second rotatable disk located below the first rotatable disk and comprised of a handle, a radiolucent disk ring with a central cutout to receive the central axle, the material of the disk comprising an embedded array of a plurality of radiopaque wires and an outer perimeter wall; and a locking cap for the axle.

To provide an X-ray fluoroscopic imaging apparatus for improving operability by moving the visual field of an X-ray fluoroscopic image to an area desired to be visually recognized by a user, and to provide its control method and a program.SOLUTION: The X-ray fluoroscopic imaging apparatus according to the present disclosure detects a device from an X-ray fluoroscopic image, controls a collimator that sets an irradiation region in which an X-ray is irradiated to a subject according to a position of a tip of the device in the X-ray fluoroscopic image to change the irradiation region, and controls movement of an arm that supports an X-ray source, the collimator, and an X-ray detector to change the fluoroscopic region when the position of the tip of the device is a position of an end of the fluoroscopic region that is the irradiation region when the collimator is fully opened or a position within a predetermined distance from the end of the fluoroscopic region.SELECTED DRAWING: Figure 3