29 results about "Anatomical charts" patented technology

The digital twinning method of the anatomical structure comprises the steps that medical image data of the anatomical structure is analyzed, a three-dimensional array and metadata are obtained, the three-dimensional array comprises density information or gray information of the anatomical structure at different spatial positions, and the metadata comprises voxel sizes; performing live-action rendering on the three-dimensional array to obtain an anatomical picture; generating a scene file based on the metadata, the three-dimensional array and the anatomical picture; and rendering the scene file to obtain the digital twin of the anatomical structure capable of being presented in the set physical space. The digital twinning method of the anatomical structure can generate a high-fidelity digital twinning body of the anatomical structure. The invention further provides a digital twinning system of the anatomical structure.

A computer-implemented method provides real-time visual feedback of intraluminal catheter engagement within a luminal organ of a patient. A catheter with electrodes on a distal end assembly is positioned in the organ, and a three-dimensional (3D) model of the internal surface is generated and rendered as a 3D anatomical map. For each electrode, a proximity value indicative of distance to a tissue wall is determined based at least on measured impedance and translated into a graphical attribute value. A continuous proximity visualization feature is formed by sequencing the graphical attributes according to electrode positions, representing proximity variations. The feature is projected onto the 3D anatomical map, creating an integrated graphical representation displayed on a computer display. The visualization is dynamically updated in response to impedance changes, providing real-time feedback on catheter contact with the tissue wall.

A system and method are provided for creating both angiographic images of a subject and dynamic images of the subject from imaging data acquired during an imaging acquisition. The method includes operating an imaging system to perform an imaging acquisition by delivering interspersed doses of high doses of the ionizing radiation and low doses of the ionizing radiation, wherein more low doses of the ionizing radiation are delivered than high doses of ionizing radiation during the imaging acquisition to thereby acquire the imaging data with a high frame rate of low dose data and a low frame rate of high dose data. The method also includes generating at least volumetric angiographic images of the subject and dynamic images of the subject from the imaging data.

A computer-implemented method provides real-time visual feedback of intraluminal catheter engagement within a luminal organ of a patient. A catheter with electrodes on a distal end assembly is positioned in the organ, and a three-dimensional (3D) model of the internal surface is generated and rendered as a 3D anatomical map. For each electrode, a proximity value indicative of distance to a tissue wall is determined based at least on measured impedance and translated into a graphical attribute value. A continuous proximity visualization feature is formed by sequencing the graphical attributes according to electrode positions, representing proximity variations. The feature is projected onto the 3D anatomical map, creating an integrated graphical representation displayed on a computer display. The visualization is dynamically updated in response to impedance changes, providing real-time feedback on catheter contact with the tissue wall.

Systems and methods are disclosed for predicting coronary plaque vulnerability, using a computer system. One method includes acquiring anatomical image data of at least part of the patient's vascular system; performing, using a processor, one or more image characteristics analysis, geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis on the anatomical image data; predicting, using the processor, a coronary plaque vulnerability present in the patient's vascular system, wherein predicting the coronary plaque vulnerability includes calculating an adverse plaque characteristic based on results of the one or more of image characteristics analysis, geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis of the anatomical image data; and reporting, using the processor, the calculated adverse plaque characteristic.

A system (102) includes a spatial mismatch correction module (168) configured to receive functional transmission data, anatomical image data, and functional image data that is reconstructed based on the functional transmission data and attenuated based on the anatomical image data. The system also includes a dataset provider (502) configured to provide the first dataset and the second dataset that are spatially mismatched. The system also includes a voxel-of-interest identifier (512) configured to identify voxels or regions of reconstruction inconsistency due to a spatial mismatch between a real attenuation value and an attenuation value derived from the anatomical image data based on a relationship between the first data set and the second data set. The system also includes an image data generator (614) configured to deform the functional image data based on the identified voxels or regions and generate corrected functional image data independent of the functional-anatomical correlation while maintaining image quality of the functional image data.

This computer system provides real-time, continuous graphical proximity feedback based on changes in electrical impedance sensed by the electrodes of a catheter. [Solution] The computer implementation method provides real-time visual feedback of intraluminal catheter engagement within a patient's luminal organ. A catheter with electrodes on its distal end assembly is positioned within the organ, a 3D model of its internal surface is generated, and it is rendered as a 3D anatomical map. For each electrode, a proximity value indicating the distance to the tissue wall is determined based on at least measured impedance and converted into a graphical attribute value. Continuous proximity visualization features are formed by ordering graphical attributes according to electrode positions representing variations in proximity. The features are projected onto the 3D anatomical map, creating an integrated graphical representation displayed on a computer display.

One method involves using a processor to identify the septum and left atrial appendage (LAA) of a patient's heart in an anatomical diagram of at least a portion of the heart. An access surface is defined on the anatomical diagram through which a medical device engages with the LAA, the device to be delivered via a sheath penetrating the septum. The normal to the access surface is calculated. Multiple curves are calculated, each curve having (i) an end tangent to the normal, (ii) a second end contacting the septum, and (iii) conforming to specific mechanical properties of the sheath. Multiple candidate locations on the septum are derived from these curves for transseptal puncture using the sheath. These multiple candidate locations are presented to a user.

A technique is described herein. The technique includes receiving endpoint location data and spline tangent data from a pair of position sensors mounted on opposite ends of a distal tip of a catheter, wherein said distal tip includes a plurality of flexible splines and a plurality of electrodes disposed on each of the flexible splines and wherein said endpoint location data and spline tangent data is received while said distal tip is positioned within a heart chamber; based on said endpoint location data and spline tangent data, calculating Bezier curve control points; based on the Bezier curve control points, determining estimated positions of said plurality of electrodes; and updating an electro-anatomical map of said heart chamber that is rendered on a display based on the estimated positions determined.

A non-invasive biometric system includes a processor configured to control a scanner configured to scan and capture one or more anatomical images of a target person's body. The processor is also configured to identify one or more anatomical structures in the captured anatomical images and extract anatomical features from the identified anatomical structures. The processor is further configured to register the extracted anatomical features of the identified anatomical structures to the target person's posture and appearance. The processor is also configured to encode and utilize the extracted anatomical features as biometric data unique to the target person and usable for authentication of the target person.

Systems and methods that enable radiological image analysis to be performed without installing complex software in hospital systems and without transferring sensitive patient data beyond secure networks are provided. Annotating one or more anatomical images of a subject at an endpoint device includes receiving a query from a user defining the subject, retrieving the anatomical images from a first datasource comprised in a secured environment also comprising the endpoint device, retrieving image-related data comprising a set of findings from a second datasource, wherein the image-related data is free of protected health information, displaying the anatomical images overlaid with the findings, providing an interface for the user to edit and / or validate the findings, thereby updating the image-related data, and sending the updated image-related data to the second datasource.

A system for performing electroporation ablation of target tissue in a heart includes a catheter with electrodes, a graphical display, and a controller. The controller generates on the display, a predicted lesion zone on an anatomical map of the heart corresponding to an electric field generated with pulsed electrical signals prior to delivery of the signals to electrodes at a location proximate target tissue. Prior to delivery of the signals to the electrodes, a pre-ablation indicator is generated on the display based on the position of the electrodes at the location. After or concurrently with delivery of the signals at each location, the controller generates an ablation indicator on the anatomical map based on the position of the electrodes at the location, the delivery of the signal, and measured changes in the target tissue.

A method for an interactive medical record review, said method comprising the steps of: displaying at-a-glance anatomical imagery with health code and / or date of event associated with a patient interaction on a whole-body graphic; and configuring the anatomical imagery on the whole-body graphic for pointing-device control enabling a requester to access and interact with the code-standardized data related to the patient interaction.

One example includes a medical system with a catheter having a distal portion, a catheter interface unit configured to track the location of the distal portion within an anatomy, an electronic display, and a computing device coupled to both the catheter interface unit and the electronic display. The computing device includes an electronic processor configured to receive a procedure to be performed by a physician using the system, identify an anatomical map, and present it on the electronic display based on a first view. The electronic processor receives the position of the distal portion of the catheter from the catheter interface unit, determines a second view for the anatomical map with a machine learning model based on the anatomical map, the position of the distal portion of the catheter, and the procedure, and controls the display to update the anatomical map from the first view to the second view.

Systems and methods are disclosed for performing probabilistic segmentation in anatomical image analysis, using a computer system. One method includes receiving a plurality of images of an anatomical structure; receiving one or more geometric labels of the anatomical structure; generating a parametrized representation of the anatomical structure based on the one or more geometric labels and the received plurality of images; mapping a region of the parameterized representation to a geometric parameter of the anatomical structure; receiving an image of a patient's anatomy; and generating a probability distribution for a patient-specific segmentation boundary of the patient's anatomy, based on the mapping of the region of the parameterized representation of the anatomical structure to the geometric parameter of the anatomical structure.

A method includes receiving an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map superimposed with ablation tags. A nonconductive zone is defined around each ablation tag for at least some of the ablation tags, to calculate block areas. A starting point and an ending point markings on the map of a potential conduction flow are received from a suer. Using a search algorithm, one or more possible conduction flow paths are searched for, from the starting point to the ending point, the one or more existing paths taking into consideration the block areas. One or more flow paths found by the search algorithm are overlayed on the anatomical map. The overlayed anatomical map is presented to a user.

A system and method for shaving an anatomical map. A reference image is compared to the—anatomical map using an accuracy parameter, and at least one area in the anatomical map that fails to meet the accuracy parameter is identified. An image of the electro-anatomical map is displayed, where the image provides a visual indication of the at least one area in the anatomical map that fails to meet the at least one accuracy parameter. A revised map is generated by shaving the at least one area in the anatomical map that fails to meet the at least one accuracy parameter, and the revised map is displayed.

A method includes receiving an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map comprising different anatomical regions. A plurality of ablation points generated by a multi-electrode catheter during an ablation instance can be received. Using a classification algorithm that considers catheter shape data, an anatomical region is identified and all of the ablation points can be classified as belonging to the identified anatomical region. Respective ablation tags can also be presented on the anatomical map according to the classified ablation points and catheter shape data.

Systems, devices, and methods for segmentation of patient anatomy are described herein. A method can include receiving a three-dimensional (3D) scan volume including a set of images of a 3D region of patient anatomy. The 3D region of patient anatomy can include a set of anatomical structures. The method can also include generating a set of two-dimensional (2D) radiographs using the 3D scan volume. Each 2D radiograph from the set of 2D radiographs can include 3D image data extracted from the 3D scan volume. The method can also include training a segmentation model to segment 2D radiographs using the set of 2D radiographs to identify one or more anatomical parts of interest.

The present application relates to the technical field of surgical navigation, and discloses a micro-neurosurgery navigation method and a navigation system, the method comprising: S10: acquiring an anatomical image of a patient's head and planning a surgical path; S20: registering the anatomical image in an optical coordinate system; S30: acquiring the pose of a surgical instrument in the optical coordinate system in real time, comprising: acquiring images of a treatment area in real time by using a plurality of first external cameras, acquiring the included angle between the projection of the optical axis of the surgical instrument and each first external camera based on the images of the treatment area, selecting at least two images with the included angle closest to a preset included angle as basic images to acquire the pose of the surgical instrument relative to a microscope to thereby acquire the pose of the surgical instrument in the optical coordinate system; S40: acquiring a microscopic image in the treatment area in real time by using the lens of the microscope and making a local area of interest clearly displayed in the microscopic image by focusing; and S50: visualizing the surgical instrument in the anatomical image.

Systems and methods are disclosed for predicting coronary plaque vulnerability, using a computer system. One method includes acquiring anatomical image data of at least part of the patient's vascular system; performing, using a processor, one or more image characteristics analysis, geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis on the anatomical image data; predicting, using the processor, a coronary plaque vulnerability present in the patient's vascular system, wherein predicting the coronary plaque vulnerability includes calculating an adverse plaque characteristic based on results of the one or more of image characteristics analysis, geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis of the anatomical image data; and reporting, using the processor, the calculated adverse plaque characteristic.

A method includes receiving an anatomical map of wall tissue of at least portion of a cardiac chamber. Locations are received, of electrodes of a catheter inside the cardiac chamber during application of ablation. At least some of the locations of the electrodes are projected onto surface of the map. Shortest paths are found between pairs of projected locations of adjacent electrodes. Some of the paths are indicated with first indications representing continuous ablation, when paths have path lengths that are below a given threshold path length. Others of the paths are indicated with second indications representing ablation gaps based on catheter geometry. Grid ablation tags are generated according to first and second indications and ablation model. The grid ablation tags are superimposed over anatomical map to generate ablation map and are graphically encoded according to the first and second indications. The graphically encoded ablation map is presented to users.

A method includes receiving, for at least a region of an anatomical map of at least a portion of a heart, positions and respective electrophysiological (EP) wave propagation velocity vectors, the vectors having respective magnitudes. The magnitudes are nonlinearly scaled. Scaled vectors having the scaled magnitudes, are presented by being overlaid on the anatomical map.

A method (100) for locating a specific internal anatomy of a subject using an ultrasound system, comprising: receiving (120) ultrasound input from one or more blind sweeps of a first region of the subject; analyzing (130) the received ultrasound input to generate an anatomy map of the first region; providing (140) a guidance instruction to a user of the ultrasound system; receiving (150), after the user moves the ultrasound probe to a new first location based on the provided instruction, ultrasound input obtained from the new first location; comparing (160) the ultrasound input obtained from the new first location to the generated anatomy map; determining (180) that the ultrasound input comprises the specific internal anatomy of the subject; and providing (190) an instruction to the user of the ultrasound system that the specific internal anatomy of the subject has been located.

A system includes a display and a processor configured for communication with the display and a medical imaging device. The processor is configured to receive an anatomical image frame obtained by the imaging device during live imaging, and identify a plurality of measurement points of an anatomical feature in the anatomical image frame. The identification of the first measurement points is performed by a neural network trained to identify where a measurement point is located within an anatomical image frame, such that the measurement points are identified automatically, without a user input. The processor is also configured to generate, based on measurement points, a measurement value of the anatomical feature, and output a screen display based on the measurement value.

To provide a system and method for real-time planning and monitoring of cardiac ablation using an anatomical map.SOLUTION: The method includes receiving an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map being overlaid with ablation tags. A non-conductive zone is defined around each ablation tag for at least some of the ablation tags to calculate a block area. Markings of a start point and an end point on the map of potential conduction flow are received from a user. One or more possible conduction flow paths are searched from the start point to the end point using a search algorithm, wherein the one or more existing paths take into account the blocked region. The one or more flow paths found by the search algorithm are overlaid on the anatomical map. The overlaid anatomical map is presented to the user.SELECTED DRAWING: Figure 1

To provide a system for electroporation ablation including an electrode assembly and a catheter having one or more states.SOLUTION: The electrode assembly may be in different shapes when the catheter is in different states. The controller is configured to generate, based on the one or more models of the electrical field, a graphical representation of the electrical field generated by the electrode assembly when the catheter is in the different states. In some embodiments, the controller is configured to superimpose a graphical representation of the one or more electrical fields on an anatomical map of the patient.SELECTED DRAWING: Figure 1

A system including an instrument having an elongate body, and a control system communicatively coupled to the instrument. The control system is configured to access a branched skeleton model defining a skeleton including a plurality of segments representing respective segments of a luminal network, identify a segment of the plurality of segments of the branched skeleton model corresponding to a position of a distal end of the instrument, determine a depth along the segment corresponding to the position of the distal end of the instrument, and determine a position of the distal end of the instrument relative to an anatomical map of the luminal network based on the identified segment and the depth along the segment.