49 results about "Anatomical charts" patented technology

System and method for lidar-based anatomical mapping is provided. In one implementation, a LIDAR imaging technology is utilized to create a surface-based anatomical map of an exposed anatomical surface of at least a portion of the spine, or other anatomical features, using anatomical and / or artificial landmarks are disclosed. The surface mapping can then be registered with previously acquired images of at least the portion of the spine, or other anatomical features. The surface mapping can then be used to identify important structures, including an entry point in tissue (including soft tissue and bone) for the placement of a medical instrument or implant, or for Information the orientation of a medical instrument or device. The information can be displayed in an augmented reality overlay on a device display (e.g., wearable eyeglasses). The LIDAR imaging technology may be incorporated into wearable eyeglasses.

An imaging system, including a head-mounted display worn by a system operator. A marker defines a plane when attached to a human subject. Optically reflective elements are disposed on the marker and on opposing sides of the plane in a non-symmetrical arrangement with respect to the plane. A memory stores a graphical representation of a tool used in a procedure performed on the human subject, and an image of anatomy of the human subject. A camera attached to the display acquires an image of the marker and the tool. A processor analyzes the image to identify the plane and to identify a side of the plane wherein the camera is located, and to render to the display the image of the anatomy of the human subject with the graphical representation of the tool superimposed thereon from a point of view in the identified side of the plane.

The present invention discloses a method for constructing a gene information query system. The method comprises: obtaining initial data information of an original gene information query system; classifying alleles in the initial data information, and providing a specific description of the biological significance of different types of alleles and the different biological effects produced by different allele combinations; drawing an anatomical diagram of a target object and annotating corresponding body parts of the target object in the anatomical diagram to obtain complete data information of the target object; determining the data structure of a relational database based on the complete data information of the target object; constructing a target gene information query system based on the data structure; and outputting a node link diagram, a table structure, and a highlight image of the relevant parts of the target object corresponding to an operation instruction on a web terminal according to the target gene information query system in response to an operation instruction. The present invention reduces computational complexity, improves accuracy, and can be widely applied in the field of computer technology.

A method includes receiving an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map superimposed with a grid of ablation tags that are graphically encoded according to respective levels of ablation of the wall tissue. Upon placing a multi-electrode ablation catheter in a vicinity of the wall tissue, one or more of the ablation tags are graphically re-encoded according to (i) existing levels of ablation associated with the tags and (ii) electrode proximity to wall tissue locations associated with the tags. The anatomical map, having the re-encoded ablation tags, is displated to a user.

A system for identifying vortices in a vector map including multiple vectors, the system includes a processor and an output device. The processor is configured to: (i) define one or more closed loops on the vector map, and (ii) for each closed loop, identify a plurality of the vectors that cross the closed loop, calculate a vector sum of the identified vectors, and decide based on the vector sum whether a vortex is located inside the closed loop. The output device is configured to indicate one or more identified vortices to a user.

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 method includes receiving or generating an anatomical map of wall tissue of at least a portion of a cardiac chamber, the map superimposed with ablation tags at locations of ablated wall tissue. Upon placing an ablation catheter having one or more electrodes in a vicinity of the wall tissue, at least one electrode among the one or more electrodes is identified, that violates a location proximity criterion to one or more of the ablation tags. The identified at least one electrode is graphically encoded. The anatomical map showing the graphically encoded at least one electrode is displayed to a user.

The application relates to the technical field of rehabilitation image processing, and provides a rehabilitation treatment dynamic digitalization auxiliary method based on a graphics algorithm and deep learning. The application aligns real-time collected local images with standard anatomical structures in a rehabilitation anatomical atlas library in high precision by constructing and training an image algorithm comparison deep learning model, matches the deep local anatomical tissues to a display terminal through a local image capture post-processing algorithm and a comparison image matching algorithm, so that a therapist can observe the deep local anatomical tissues in real time during operation, and the accuracy of anatomical positioning and the safety of treatment are improved. By constructing and training a rehabilitation clinical treatment algorithm matching learning model, combining collected clinical data and a rehabilitation clinical standard path knowledge base, rehabilitation diagnosis, rehabilitation treatment list preparation and associated anatomical image output are completed, and are synchronously output to a display terminal, so as to adapt to the operation needs of clinical dynamic precise rehabilitation.

A medical apparatus and method of using the same allowing a user to capture a medical image and add a human anatomy diagram overlay on the medical image to specify each image's position on its own version of the diagram and display a small version of the diagram on the image, incorporated by reference in their entirety herein U.S. Pat. No. 8,924,864 and U.S. Pat. No. 10,638,089.

A landmark registration registers landmark points of navigation guidance information for performing a navigational guidance of a surgery procedure. The registration operation comprises a landmark point identification procedure and a landmark matching procedure. In particular, the present case is directed to automatically identifying three or more landmark points in an anatomy image by using a model according to shapes of a bone ridge depicted in the anatomy image. A graphical user interface enables interactively confirming locations of the three or more landmark points in the anatomy image. Given the identified three or more landmark points, the present case further describes interactively matching respective locations of the respective landmark points in the anatomy image with physical locations of a probe tip in anatomy according to deviation information of the probe tip. The automated identification and the interactive matching of landmark points enable generating navigational surgical guidance information with accuracy.

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.

The application discloses a method and a navigation system for navigation of two intracranial operation instruments, the method comprising: acquiring an anatomical image; marking a surgical path in the anatomical image; registering the anatomical image in an optical coordinate system based on a pose of a first optical tracker in the optical coordinate system and a pose in an image coordinate system of the anatomical image; acquiring a pose of a second optical tracker in the optical coordinate system by using an optical navigation device; acquiring a pose of a third optical tracker in the optical coordinate system by using the optical navigation device, obtaining a pose of a first electromagnetic sensor in the optical coordinate system based on the pose of the third optical tracker in the optical coordinate system, a pose relationship between a magnetic field generator and the third optical tracker, and a pose of the first electromagnetic sensor relative to the magnetic field generator; calibrating the pose of the first electromagnetic sensor; and obtaining a pose of a first instrument in the optical coordinate system and a calibrated pose of a second instrument in the optical coordinate system.

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.

An automated technique for revising an electro-anatomical map generated using a catheter having a plurality of electrodes. A first electro-anatomical map that includes an anatomical structure having a mapped volume with a substantially tubular shape is displayed, and one or more points along medial axis of the mapped volume are estimated. At a first cross-section of the mapped volume, a first best-fitting ellipse is determined. A generalized cylindrical volume is calculated between the first cross-section and a second cross-section in accordance with at least the first best-fitting ellipse. Data points from the mapped volume that are outside of the generalized cylindrical volume are removed and a revised map is displayed.

To provide a method and a system for detecting and correcting an error in an electro-anatomical map.SOLUTION: An electro-anatomical map is generated from first position information that defines an initial map surface. Second position information is acquired and used to determine an updated map surface. A difference between the initial and updated map surfaces corresponds to a change in the map. A first tenting analysis volume is determined based on at least part of the updated map surface. Third position information is acquired and used to define a second tenting analysis volume. The change in the map is identified as potentially corresponding to tenting in accordance with whether the first tenting analysis volume fails to overlap the second tenting analysis volume by a predetermined amount.SELECTED DRAWING: Figure 1

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.

Computer-implemented method for determining a minimum distance between a tracer distribution and an anatomical surface, the method comprising the steps of receiving 3D functional image data of a tissue specimen including a tracer from a functional imaging module, receiving 3D anatomical image data from an anatomical imaging module and co-registering said 3D functional image data and said 3D anatomical image data.

To provide a system and method for real-time planning and monitoring of cardiac ablation using an anatomical map.SOLUTION: A method includes receiving an anatomical map of wall tissue of at least a portion of a ventricle, the map overlaid with a grid of ablation tags that are graphically encoded according to respective levels of ablation of the wall tissue. Upon placing a multi-electrode ablation catheter in the vicinity of the wall tissue, one or more of the ablation tags are graphically re-encoded according to (i) existing levels of ablation associated with the tags and (ii) electrode proximity to wall tissue locations associated with the tags. The anatomical map, having the re-encoded ablation tags, is displayed to a user.SELECTED DRAWING: Figure 1

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.