38 results about "Surgery planning" patented technology

Systems, methods, and computer program products for analysis of vessel attributes for diagnosis, disease staging, and surgical planning are disclosed. A method for analyzing blood vessel attributes may include developing an atlas including statistical measures for at least one blood vessel attribute. The statistical measures can be developed from blood vessel image data from different individuals. Blood vessel attribute measurements can be obtained from an individual subject. The individual subject's blood vessel attribute measurements can be compared to the statistical measures in the atlas. Output may be produced indicative of a physical characteristic of the individual based on results from the comparison.

Disclosed is a computer-integrated surgery aid system for minimally invasive surgery and a method for controlling the same. The system includes a surgery planning system for creating three-dimensional information from two-dimensional images obtained by means of biplanar fluoroscopy so that spinal surgery can be planned according to the image information and a scalar-type 6 degree-of-freedom surgery aid robot adapted to be either driven automatically or operated manually.

A computer-implemented method of planning orthopaedic surgery comprises providing a library of templates representing orthopaedic prostheses, displaying and scaling one or more patient images such as X-ray images, allowing a user to reconfigure geometrical constructs displayed over the images to match the construct to anatomical features shown in the image; and selecting one or more templates from the library in accordance with parameters of the reconfigured constructs. The templates correspond to the orthopaedic prosthesis or prostheses which are most suitable for the patient. Hip replacement surgery can be planned using a single patient image. Knee surgery can be planned using two patient images showing different views of the anatomical features, in which case geometrical constructs for use with each view are provided. The library of templates is accessible via the Internet so as to be accessible by users in any location and readily updateable.

A computer system that provides situational awareness and feedback during a surgical procedure is described. During operation, the computer system generates stereoscopic images at a first 3-dimensional (3D) location in an individual, where the stereoscopic images include image parallax and are based on data having a discrete spatial resolution and a predefined surgical plan for the individual. Then, the computer system provides the stereoscopic images to a display. When a surgical tool is advanced, location information of the surgical tool is updated in the stereoscopic images displayed are updated. Alternatively or additionally, When location information indicates a deviation from the predefined surgical plan during the surgical procedure, the computer system generates revised stereoscopic images that indicate: the deviation has occurred an update to the predefined surgical plan and / or how to return to the predefined surgical plan.

The invention discloses an image-guided ablation surgery planning device, which comprises a patient three-dimensional image construction unit, an image display unit, a surgical path input unit, a microwave energy field computing unit, a temperature field computing unit, and a damage field computing unit, wherein the patient three-dimensional image construction unit is used for acquiring a three-dimensional image of the patient according to the CT or MRI medical image of the patient; the image display unit is used for displaying the three-dimensional image of the patient; the surgical path input unit is used for inputting needle inlet point, angle, depth, power and ablation duration of the ablation surgery; the microwave energy field computing unit is used for computing the distribution of microwave energy absorbed by tissues to be ablated in unit time and unit volume; the temperature field computing unit is used for computing the temperature field distribution of the tissues to be ablated by taking the computed microwave energy field as an internal heat source; the damage field computing unit is used for computing temperature damage areas of the tissues to be ablated; and the computed temperature damage areas are displayed on the three-dimensional image of the patient in a fusing way through the image display unit. The device can reflect the true anatomical structures of organisms and tumors in a mode of the three-dimensional image and predict an ablation range accurately so as to provide objective reference for implementing the ablation surgery.

The invention discloses a preoperative planning and surgery virtual reality simulation method of the minimally invasive cardiac surgery. The method comprises the steps that firstly, data from CT or MRI is preprocessed by means of the eFilm workstation medical image processing software, a normal image coordinate system is built, and medical images scanned by the CT, the MRI and PET are imported into a computer; the obtained two-dimensional medical images are reconstructed in a three-dimensional space to obtain three-dimensional images; the two-dimensional voxel-level medical images are imported into a Unity 3D engine, the conversion from the two-dimensional images to the three-dimensional images is conducted by the computer, and real-time dynamic three-dimensional images are generated; a surgery planning and simulation platform is built by means of the Unity 3D engine, virtual reality patient data is input, warning and reminding are conducted on wrong or risky operating steps, and meanwhile the simulation surgery effect of a doctor is assessed. According to the method, detailed preoperative planning and surgery simulation can be conducted through the virtual reality environment before a surgery.

The present document describes a method for producing a knee joint treatment plan and / or surgery plan for a patient, the method comprising: obtaining 3D kinematic data of the knee joint in movement; determining, from the 3D kinematic data, scores characterising the joint function of the patient, the one or more scores being relative to one or more criteria; and comparing the scores to data in a database which characterize a plurality of treatment plans and / or surgery plans to generate the list of one or more treatment plans and / or surgery plans which match the scores.

The invention discloses an intelligent robot system used for oral implantology surgeries. The intelligent robot system used for oral implantology surgeries comprises a robot mechanical arm, an end effector, an implantology surgery apparatus, a surgery navigation system, a surgery planning system, a force feedback system, an implantology robot bone texture analysis expert diagnosis system, an implantology point trimming and real-time data acquisition system, a restoration body real-time design and rapid moulding making system, and a special dental chair matches the implantology robot. The invention also discloses a method and a device used for matching of a CT scanning space with a surgical space, and security policy of the intelligent robot system. The intelligent robot system is capable of overcoming difficulties such as small oral implantology space, lack of direct sight, and poor doctor technology, realizing accurate control on implantology apparatus path and position, avoiding damage of normal tissue in surgeries, and realizing accurate implantation of implants.

A method of performing surgery on a bone includes providing a robotically controlled bone preparation system and creating at least one hole in the bone with the robotically controlled bone preparation system prior to machining the bone. The bone hole aligns with a hole or a post in a guide for a manual cutting tool. If the robot fails during surgery, or if the surgeon does not wish to complete the procedure with the robot, the guide is attached to the bone after aligning the guide hole with the bone hole. The surgery is completed manually after the guide is attached to the bone, and the robot is not used after the guide is attached to the bone.

The present invention is suitable for the medical appliance field, and provides an intelligent orthopedic surgery system. The system comprises a switch, a surgery positioning device and a surgery planning and monitoring device, a C-shaped arm and an X-ray machine and an orthopedic surgery robot which are connected with the switch separately. The orthopedic surgery robot comprises a robot body and a mechanical arm fixed on the robot body, an intelligent bone drill fixed on the mechanical arm, a communication module, a mechanical arm control module, an intelligent bone drill control module and a surgery robot electrical control module. The intelligent bone drill comprises a surgery electric drill, a guide mechanism sleeving on an electric drilling head of the surgery electric drill, a push mechanism, a binocular vision recognition system, a pressure sensor fixed on the surgery electric drill and a bone drill controller. The orthopedic surgery robot in the intelligent orthopedic surgery system of the present invention can realize an accurate drilling function on the basis of navigation, and realizes the surgery operations, thereby improving the surgery precision and stability, and relieving the working strength of doctors.

Disclosed is a computer-integrated surgery aid system for minimally invasive surgery and a method for controlling the same. The system includes a surgery planning system for creating three-dimensional information from two-dimensional images obtained by means of biplanar fluoroscopy so that spinal surgery can be planned according to the image information and a scalar-type 6 degree-of-freedom surgery aid robot adapted to be either driven automatically or operated manually.

The invention discloses a multi-modal fusion surgical navigation system and method based on three-dimensional reconstruction. The system comprises an image data preprocessing module, a pre-surgery planning module and a real-time surgical navigation module; the image data preprocessing module is used for the collection and processing of medical image data; the pre-surgery planning module performs multi-modal fusion of the processed medical image data to establish a pre-surgery lesion location model and plan a surgical path; and the real-time surgical navigation module establishes a dynamic model according to an intra-surgery four-dimensional ultrasound scan data, and compares the dynamic model with the pre-surgery lesion model to update the surgical path. The beneficial effects are: conducting fusion processing of different medical image data, integrating the advantages of each model, achieving information complementarity, and performing real-time comparison of the real-time establisheddynamic model with the pre-surgery lesion positioning navigation model, so as to make navigation more accurate. Accurate monitoring of the lesion changes is performed during the surgery process, so as to improve the accuracy and effect of interventional surgery.

An exemplary embodiment of the present invention provides a three-dimensional virtual liver surgery planning system including: a digital imaging and communications in medicine (DICOM) receiving module which receives an abdomen computer tomography (CT) volume data set from a picture archiving and communication system (PACS) server; a DICOM loading and noise removing module which loads the received abdomen CT volume data set and remove noises; a standard liver volume estimation module which estimates a standard liver volume (SLV) from the denoised abdomen CT volume data set; a liver extraction module which extracts a three-dimensional liver region; a vessel extraction module which extracts a three-dimensional vessel region including a portal vein, a hepatic artery, a hepatic vein, and an inferior vena cava (IVC); a tumor extraction module which extracts a three-dimensional tumor region; a liver segmentation module which divides the extracted three-dimensional liver region into several segments using landmarks which are selected by a user or a segmentation sphere; and a liver surgery planning module which makes a three-dimensional liver surgery plan using a resection surface, a liver segments, or the segmentation sphere.

The invention discloses an individual aneurysm model obtained through 3D printing technology and a manufacturing method thereof. The manufacturing method comprises the steps of firstly, performing high-precision layered scanning on an artery of an aneurysm patient by means of imaging equipment, thereby aneurysm image data; then performing sorting by means of inverse reconstruction software for obtaining the artery, and performing three-dimensional reconstruction; performing expansion amplification on the reconstructed artery by means of computer-aided 3D design software, then subtracting original blood vessels through Boolean operation, obtaining an empty aneurysm model and outputting a 3D printing identifiable file; and finally printing the aneurysm model by means of different materials through a 3D printer, wherein the size ratio between the aneurysm model and the aneurysm of the patient is 1:1. The aneurysm model obtained through the method can settle a defect of disease model shortage in China and can be applied in the fields of disease teaching, open heart surgery or interventional surgery training, surgery planning, etc. The aneurysm model and the manufacturing method have advantages of user-friendly customization, high accuracy, effective realizing of visuality and touchness, simple process, high forming speed and low cost.

The invention is applied to the field of medical instrument and apparatuses, and provides an intelligent orthopedic surgery system. The system comprises an exchanger, a surgery positioning device, a surgery planning and monitoring device, a C-shaped arm X-ray machine and an orthopedic surgery robot, wherein the surgery planning and monitoring device, the C-shaped arm X-ray machine and the orthopedic surgery robot are respectively connected with the exchanger; the orthopedic surgery robot comprises a robot body, a mechanical arm fixed on the robot body, an intelligent bone drill fixed on the mechanical arm, a communication module, a mechanical arm control module, an intelligent bone drill control module and a surgery robot electrical control module; the intelligent bone drill comprises a surgery electric drill, a guiding mechanism sheathed at an electric drill bit of the surgery electric drill, a feed mechanism, a binocular vision recognition system, a pressure sensor fixed on the surgery electric drill and a bone drill controller. According to the orthopedic surgery robot in the intelligent orthopedic surgery system disclosed by the invention, an accurate drilling function can be realized on the basis of navigation, and the surgery operation is realized, thereby improving the precision and the stability of surgery, and reducing the working intensity of doctors.

The present teaching relates to method and system for aligning a virtual anatomic model. The method generates a virtual model of an organ of a patient, wherein the virtual model includes at least three virtual markers. A number of virtual spheres equal to a the number of virtual markers are generated, wherein the virtual spheres are disposed on the virtual model of the organ of the patient and associated with the virtual markers. A first position of the virtual spheres and the virtual markers is recorded. The virtual spheres are placed to coincide with physical markers disposed on the patient and a second position of the virtual spheres is recorded. A transformation of the virtual spheres and the virtual markers based on the first and second positions is computed and the virtual model of the organ is aligned with the patient based on the computed transformation.

The invention belongs to the technical field of medicines, and discloses a cardiothoracic surgery auxiliary control system based on virtual reality. The cardiothoracic surgery auxiliary control system based on virtual reality comprises an information acquisition module, a sensing module, an image acquisition module, a central control module, an image processing module, a three-dimensional model construction module, a lesion information extraction module, a three-dimensional lesion model construction module, a surgery planning module, a positioning module, a navigation module, a surgery monitoring module, an early warning module and a display module. According to the system, a cardiothoracic model is constructed by using image data, so that the system has higher spatial resolution and more accurate and richer structural information. According to the system, a specific lesion model is reconstructed based on virtual reality equipment before the operation, so that a doctor can go deep into the lesion, observe tiny lesions at any angle and make three-dimensional operation planning. Compared with a traditional planning mode through a two-dimensional section, the system is more visual, three-dimensional, accurate and comprehensive.

The invention discloses a medical image three-dimensional film reading and surgery guiding system based on an artificial intelligence recommending algorithm. The system comprises a balanced load, a web server cluster terminal, a database server terminal, a distributed storage terminal, a distributed calculation cluster, a data acquisition terminal and a film reading and surgery planning terminal.The balanced load is connected with the data acquisition terminal, the film reading and surgery planning terminal and the web server cluster terminal through Internet. When a user uploads data to theserver cluster terminal through the data acquisition terminal, the balanced load detects and distributes a task to an idle server in the web server cluster. When the user calls the three-dimensional data by means of the film reading and surgery planning terminal, the balanced load performs detection and distributes a task to the idle server in the web server cluster. The medical image three-dimensional film reading and surgery guiding system has advantages of supplying previous successful cases as references for clinical surgery guidance, improving convenience and accuracy in searching similarcases, realizing higher speed and more comprehensive performance, and realizing better use prospect.

Medical guidance device capable of improving precision and accuracy of medical surgery by ensuring accurate and consistent placement of the medical guidance device, as well as communication with surgery planning software and / or three-dimensional spatial software to determine insertion of the needle into the patient.

Certain embodiments of the present invention provide systems and methods for detecting septal defects. In an embodiment, the method may include acquiring gated MRI data and heart atlas data. A registration of the gated MRI data and the heart atlas data may be performed as well as a flow-balance measurement. An atrial septal detection and ventricular septal detection may be performed, as well as a septal measurement. A diagnostic report may be generated detailing the location and properties of the septal defects. A physician may utilize the diagnostic report for surgery planning. After surgery, the diagnostic report may be compared with a post-surgery diagnostic report to determine the success of the surgery.

The present document describes a method for producing a knee joint treatment plan and / or surgery plan for a patient, the method comprising: obtaining 3D kinematic data of the knee joint in movement; determining, from the 3D kinematic data, scores characterizing the joint function of the patient, the one or more scores being relative to one or more criteria; and comparing the scores to data in a database which characterize a plurality of treatment plans and / or surgery plans to generate the list of one or more treatment plans and / or surgery plans which match the scores.

The invention discloses repair of a medical image of a patella. The repair of the medical image of the patella comprises the following steps: (1) generating a mask of a damaged area; (2) searching for a matched texture block and pasting the texture block to an original image; (3) carrying out smoothing process at a connecting position of the texture block. The repair of the medical image of the patella has the advantages that a repaired image is high in quality and smooth and continuous in line, repair is conducted on the image of the damaged area before a computed tomography (CT) scan image of the patella is used in a surgery planning and a guide path is produced, so that better medical care can be obtained. A color-image segmentation method includes the following steps: inputting to-be-segmented images and carrying out initialized setting; enabling the input images to be mapped to various color spaces from initial color spaces of the input images, and obtaining a group of color images which are transformed; in a plurality of color spaces, carrying out image segmentation on the group of the color images through a fingerprint image segmentation method, and obtaining a plurality of segmentation results; serving one of the plurality of segmentation results as a standard, respectively carrying out category mark registration on the rest segmentation results, correspondingly obtaining segmentation results which are after the registration; carrying out information fusion on the segmentation results which are after the registration and the segmentation result which serves as the standard, obtaining a fused segmentation result, calculating category marks which correspond to pixels in the to-be-segmented images according to the fused segmentation result, and achieving image segmentation.

According to an embodiment of the present invention, a method for supporting an implant procedure by a server comprises: a step a of obtaining an oral CT image of a subject photographed in a state that a guide model which is obtained by grouping human teeth into an arbitrary range to be included in one or more groups, is manufactured in accordance with a predetermined standard to cover a tooth position of a corresponding group, and includes a marker made of a radiopaque or semipermeable material, is inserted into an oral cavity of the subject; a step b of loading a library, which is information on the standard of the guide model, identifying the marker from the oral CT image, and matching the oral CT image with the library on the basis of a marker included in the library and the marker identified from the oral CT image to generate a library matching CT image; and a step c of planning an implant procedure of the subject using the library matching CT image.

The invention discloses a color-image segmentation method. The color-image segmentation method includes the following steps: inputting to-be-segmented images and carrying out initialized setting; enabling the input images to be mapped to various color spaces from initial color spaces of the input images, and obtaining a group of color images which are transformed; in a plurality of color spaces, carrying out image segmentation on the group of the color images through a fingerprint image segmentation method, and obtaining a plurality of segmentation results; serving one of the plurality of segmentation results as a standard, respectively carrying out category mark registration on the rest segmentation results, correspondingly obtaining segmentation results which are after the registration; carrying out information fusion on the segmentation results which are after the registration and the segmentation result which serves as the standard, obtaining a fused segmentation result, calculating category marks which correspond to pixels in the to-be-segmented images according to the fused segmentation result, and achieving an auxiliary repairing method of a bridge of a nose for image segmentation. The auxiliary repairing method of the bridge of the nose comprises the steps: (1) generating a mask of a damaged area; (2) searching for a matched texture block and pasting the texture block to an original image; (3) carrying out smoothing process at a connecting position of the texture block. The auxiliary repairing method of the bridge of the nose has the advantages that a repaired image is high in quality and smooth and continuous in line, repair is conducted on the image of the damaged area before a computed tomography (CT) scan image of the bridge of the nose is used in a surgery planning and a guide path is produced, so that better medical care can be obtained.

The invention discloses a medical application of three-dimensional visualization and mixed reality. The medical application comprises the following steps of (1), screening an appropriate patient, andobtaining patient information and two-dimensional image data; (2), obtaining clinical data of the patient according to patient information integration in the step (1); (3), performing three-dimensional reconstruction of the two-dimensional image data in the step (1) for converting to three-dimensional data, and packaging a 3D model and transmitting the 3D model to a holographic system for presenting the three-dimensional data; and (4), according to the clinical data of the patient in the step (2) and the three-dimensional data presented in the step (3), viewing the 3D model through wearing mixed reality glasses, and performing assisted teaching, doctor-and-patient communication, surgery planning and remote medical treatment through a three-dimensional visual display platform. According tothe medical application, through combining three-dimensional visual technology and the mixed reality technology, problems such as imbalanced medical resource, surgery carrying out by the doctor according to the experience, and no certainty in carrying out the surgery by the young doctor in China.

The invention discloses a 3D operation plan report generation method and system. The method comprises the following steps: exporting 3D data in an STL format of an initial maxillary, an initial mandible, a teeth arrangement maxillary, a teeth arrangement mandible, maxillary accessories and mandible accessories, wherein the 3D data comprise data names in one to one correspondence with the initial maxillary, the initial mandible, the teeth arrangement maxillary, the teeth arrangement mandible, the maxillary accessories and the mandible accessories; and importing a 3D data file in a PDF file to form a model PDF file, and merging the model PDF file with a text PDF file containing operation plan text information to generate a 3D operation plan report file. By adoption of the 3D operation plan report generation method and system disclosed by the invention, only a piece of PDF reading software needs to be installed in a terminal to design a 3D operation plan report scheme at any time and any scene, thereby facilitating the audit of the scheme by a doctor.