225 results about "Orthopaedic department" patented technology

An orthopaedic knee prosthesis includes a tibial bearing component with articular features which operate to protect adjacent soft tissues of the natural knee, promote and / or accommodate desired articulation with an abutting femoral component, and facilitate expedient and effective implantation by a surgeon.

An orthopaedic joint prosthesis assembly includes a head part of an orthopaedic joint prosthesis component and an alignment guide. The head part has a spherical bearing surface for articulation with a corresponding joint surface, and an assembly surface having a first bore formed in it for receiving a spigot on another part of the orthopaedic joint prosthesis. The bore has a first axis that extends perpendicular to the assembly surface. The alignment guide has an axial portion defining a second axis and an arm extending from the axial portion. The arm includes a distal portion which is configured to engage the assembly surface, with the axial portion being arranged to engage the bearing surface of the head part when the head part is mounted within the guide such that an impaction force applied along the second axis is directed along the first axis.

The invention relates to the technical field of health risk assessment, in particular to an intelligent early warning system for postoperative infection risk of orthopedic trauma. The system comprises a data acquisition module for acquiring physiological feature data and biomarker data; the key monitoring and screening module screens key monitoring patients according to the continuous abnormal representation growth degree of the initial physiological signs; the infection risk assessment module obtains a marker level index by using the initial deviation level and the growth amplitude of the biomarker, and obtains a wound infection risk coefficient in combination with the prediction condition of historical biomarker data; and the early warning report generation module is used for dividing patient early warning levels according to the physiological parameter abnormality and the wound infection risk coefficient to generate a risk report. According to the method, the evaluation accuracy of postoperative infection is improved through the physiological sign abnormity continuity and the biomarker sudden increase and prediction trend, the subsequent early warning level and risk report generation are more reliable, and a more personalized and accurate treatment scheme can be provided for a patient.

The invention provides an orthopedic implant coded character recognition method based on machine learning, and the method comprises the steps: extracting a deformation parameter of a character region according to a surface curvature distribution diagram, determining a deformation proportionality coefficient and an angle deviation matrix, and fusing a spiral curvature radius to evaluate a path torsion coefficient; performing reverse adjustment on the angle deviation matrix by adopting an angle correction algorithm to obtain a corrected character angle parameter, and verifying the stability of the curvature peak position through a path continuity index; if the character integrity is higher than a preset threshold value, directly extracting a coding sequence to obtain preliminary coding information, and adjusting an offset correction factor according to curvature distribution density to optimize a spiral pitch parameter; and performing geometric reduction on the coding sequence through the character arrangement direction to obtain a final recognition result. According to the method, the recognition accuracy of complex curved surface characters is remarkably improved, the robustness of coding sequence extraction is optimized, and an efficient solution is provided for reliable recognition of implant surface characters.

The invention discloses a portable detection system for early diagnosis of orthopaedic joint diseases, and relates to the technical field of orthopaedic joint disease diagnosis, which comprises the following steps: acquiring acoustic and motion feature vectors of joint activities, calculating a quality score based on an acoustic signal-to-noise ratio and a motion goodness of fit, performing weighted splicing on features by taking the quality score as a weight after normalization, generating a fusion feature vector; thirdly, reconstructing features by using a reverse decoding model, comparing the same degree with the original features, weighting to obtain fusion same degree, and iteratively adjusting the weight to optimize the fusion effect; and performing clustering analysis on the candidate feature vectors, replacing the candidate feature vectors if the candidate feature vectors deviate from a clustering center, and finally inputting a health model to output a diagnosis report. Through dynamic weighting of quality scores, high-fidelity features are processed preferentially, the information density and discrimination capability are improved, and low-quality data interference is reduced; and self-checking and dynamic correction are realized through reconstruction and similarity comparison, so that the fidelity and consistency of the characteristics are ensured, and the robustness of the system is enhanced.

The invention relates to a composite bone repair material, a preparation method and application, the preparation method comprises the following steps: immersing silkworm cocoons in a soap salt solution for degumming, drying to prepare degummed silk, dissolving the degummed silk in a lithium bromide solution, dialyzing for desalting, and concentrating to obtain a regenerated silk protein solution; mixing the regenerated silk fibroin solution with a gelatin solution to obtain a gel solution; mechanically shaking the gel solution, so that the gel solution is uniformly mixed, uniformly distributed bubbles are formed in the gel solution, and a silk protein / gelatin gel block is obtained; soaking and cleaning the silk protein / gelatin gel block in an ammonium sulfate solution to obtain silk protein / gelatin cross-linked gel; and freeze-drying the fibroin / gelatin cross-linked gel to obtain the fibroin / gelatin composite material. The composite bone repair material has the advantages that the composite bone repair material has a bionic porous structure, has excellent mechanical properties and also has good biocompatibility and osteogenic activity. The material can be applied to filling and regeneration repair of skull defects of the orthopedics department, the oral cavity, the plastic surgery (maxillofacial) and the neurosurgery department, and has high industrial production and clinical application prospects.

A method of operating an orthopaedic surgical system may include displaying a unique identifier on a visual display of a first device positioned in an operating room, the unique identifier being associated with a digital medical record of a patient positioned in the operating room, capturing the unique identifier with a camera of a second device positioned in the operating room, establishing a unique electronic connection between the second device and the digital medical record of the patient based on the unique identifier, capturing one or more images of the patient with the camera of the second device, transferring the one or more images from the second device to the digital medical record of the patient using the unique electronic connection, and accessing the one or more images with the first device to guide performance of an orthopaedic surgical procedure on the patient.

The invention provides an orthopedic nursing intelligent data processing system based on a cloud platform, and relates to the field of intelligent data processing.The orthopedic nursing intelligent data processing system comprises the steps that firstly, a newly-added nursing document is transmitted to a temporary storage area of a cloud end and read, and then format cleaning and text segmentation are conducted on the nursing document to generate sequence distribution described by sentence granularity; then, the sequence is distributed and input into an NLP model deployed at a cloud end to complete named entity recognition, relation extraction, negative word detection and attribute extraction to obtain structured information of the nursing document, and then the structured information is subjected to standardization and duplicate removal processing to generate standard structured information of the nursing document; and the information is stored in a structured database of the cloud. In this way, the efficiency and accuracy of nursing data processing can be improved, and the deep value of data can be released.

The invention discloses a weak supervision orthopaedic three-dimensional reconstruction method based on geometric constraint and comparative learning regularization, and aims to solve the problems of high labeling cost and poor robustness of a weak supervision model in the existing orthopaedic three-dimensional reconstruction technology. According to the method, a coarse threshold segmentation result automatically generated by a Mimics tool is used as a weak supervision label, manual fine adjustment is not needed, and the labeling cost is remarkably reduced. The method comprises the following steps: acquiring and registering a CT sample; generating an enhanced sample through significance guide mixing and random shielding; feature extraction and segmentation prediction are carried out by using the 3DUNet sharing the weight; designing a multi-loss function fusing consistency regularization loss, geometric constraint loss and threshold guide feature comparison loss, and strengthening geometric consistency and feature distinguishing capability; and finally, high-precision and high-generalization skeleton three-dimensional reconstruction is realized through training optimization and reasoning, and the method is suitable for scenes such as clinical diagnosis and surgical planning.

The invention relates to the technical field of inventory management, in particular to a hospital orthopaedic consumable inventory management system and method based on behavior recognition, and the method achieves the real-time monitoring of the taking and supplement of consumables through the behavior recognition technology: when a medical worker enters a consumable warehouse, the behavior of the medical worker is automatically captured; and analyzing actions in real time through a built-in behavior identification model, identifying the operation type, determining the type and the number of specifically taken consumables through association with RFID tags on the consumables, then generating a consumable operation information group, generating an operation identifier and a second identifier auxiliary generation factor, and calculating an identifier auditing factor by the system, and the operation behavior of the medical personnel is audited through the relationship between the second identification auxiliary generation factor and the auditing factor, and the inventory information is automatically updated. According to the invention, real-time and automatic inventory updating is realized, manual intervention is not needed, operation errors are greatly reduced, and the efficiency and accuracy of hospital orthopaedic consumable management are improved.

The invention belongs to the technical field of medical apparatus and instruments, and discloses an orthopaedic reduction and fixation orthopedic orthosis which comprises a base, a first rectangular groove is formed in the outer surface of the base, sliding mechanisms are slidably mounted on the two sides of the inner side of the first rectangular groove, and supporting rods are fixedly mounted at the tops of the sliding mechanisms; the inner side of the supporting rod is fixedly provided with a reset shape righting plate. Compared with a traditional device, after a leg needing to be corrected is put into a patient, all parts can be driven to move and contract towards the inner side cooperatively by rotating a rotating block, positioning and clamping of the leg are achieved, a clamping plate tightly abuts against the leg and is firmly fixed in the leg guard, meanwhile, a first lead screw and a moving block are in threaded connection and can be reversely locked, the device is prevented from loosening, and the device is convenient to use. The fixing plate is prevented from being loosened accidentally to affect normal use, the applicability is improved, the fixing plate can better adapt to leg conditions of different patients, stable support is provided for the legs, and recovery of fractured or orthopedic parts is assisted.

The invention provides an orthopaedic implantation post-operation X-ray film simulation method and system based on a preoperative CT image, a medium, a program product and a terminal, and aims to accurately convert and present results of three-dimensional segmentation, key point identification and prosthesis positioning based on preoperative CT into a standard post-operation X-ray film simulation effect conforming to clinical routine. A doctor can intuitively and clearly foresee the form projection and the specific spatial position of selected prostheses including an acetabular cup, a lining, a ball head, a femoral stem and the like on a post-operation standard orthotopic X-ray film and the accurate relative anatomical relation between the prostheses and key bony markers of the pelvis and the femur in the pre-operation planning stage. By providing an intuitive and quantitative post-operation X-ray film simulation effect, a doctor is effectively assisted in selecting an optimal operation scheme and adjusting setting of parameters such as the size, the position and the angle of an implant, the predictability and the accuracy of operation planning are improved, and dependence on pure experience is reduced.

The present application relates to a device for defining a bone cavity. The device includes a connection member, a reamer, and a guide member. The connecting member includes at least one rotatable connecting mechanism for connecting the guide member and the reamer. The reamer and the guiding component are connected to the two opposite ends of the connecting component respectively. The reamer is arranged to rotate about a pivot of the guide member. The guide member serves as a pivot point. The guide member includes a head and a tail. The tail portion of the guide member is connected to an implant.

The utility model discloses an external fixation support for orthopaedic repair, which relates to the technical field of orthopaedic repair and comprises a support frame, an inner sleeve I is fixedly mounted at the lower end of the support frame, an outer sleeve I is mounted on the outer side of the lower end of the inner sleeve I in a sleeving manner, and a positioning screw I is mounted on the outer side of the outer sleeve I in a threaded manner; a base is fixedly installed at the lower end of the first outer sleeve, and a movable ring is rotationally installed on the inner side of the supporting frame. Through mutual cooperation of a second outer sleeve, a second inner sleeve and a second positioning screw rod, the length of the external fixing support can be adjusted, the external fixing support is suitable for patients of different body types, a supporting pad is arranged, limbs of the patients are supported, and the use comfort is improved; through mutual cooperation of the supporting frame, the movable ring, the first inner sleeve, the first outer sleeve and the first positioning screw rod, an auxiliary supporting effect is achieved on the external fixing support, use in different places is facilitated, meanwhile, the movable ring can turn over along the inner side of the supporting frame, and a patient can adjust the posture conveniently.

The invention relates to the technical field of medical apparatuses and instruments, in particular to an orthopedic spine post-operation protection device which comprises a device shell, the front face of the device shell is arc-shaped and concave, a back cushion layer is installed on the front face of the device shell, a fixing belt and an insertion opening are installed on the front face of the device shell and are arranged on the two sides of the device shell respectively, and a supporting block is installed at the middle end in the device shell. The supporting blocks are arranged in the device shell, the protruding blocks are arranged on the front faces of the supporting blocks, the multiple supporting blocks are longitudinally distributed in the device shell at equal intervals, and the rotating parts enter the grooves of the adjacent supporting blocks, so that the protruding blocks can correspond to the concave parts of the spine of the back, and the effect of supporting the spine is achieved; according to the scoliosis protection device, a certain rotating angle can be generated between every two adjacent supporting blocks, the supporting blocks are bent by a certain angle, the supporting blocks can form an arc shape matched with a scoliosis spine of a patient, and therefore the effect of protecting the scoliosis patient is achieved.

The utility model provides an orthopaedic nursing traction support device, which relates to the field of orthopaedic nursing and comprises a lying frame, one side of the lying frame is movably connected with one side of a leg support frame, the outer wall of the leg support frame is movably connected with the inner wall of a first foot support frame, one side of the first foot support frame is provided with an installation assembly, and the installation assembly is connected with the first foot support frame. A foot stabilizing assembly is arranged on one side of the mounting assembly, a pillow adjusting assembly is arranged in the lying frame, and one side of the leg supporting frame is movably connected with one side of the second foot supporting frame. The pulling block is moved to drive the moving block to move, the moving block moves to drive the clamping block to be away from the interior of the clamping groove, meanwhile, the clamping block extrudes the reset spring, the foot sleeve gets rid of the limiting state, then the foot sleeve is moved downwards to enable the positioning block to be attached to the inner wall of the positioning groove to move, and therefore the foot sleeve is taken down and cleaned. The foot sleeve is convenient to disassemble and clean, and the complexity of disassembling the foot sleeve is reduced.

The invention relates to a front sight laser aiming auxiliary device which is used for guiding a kirschner wire to present a point-shaped perspective shadow on a C-arm screen in an orthopedic operation, and belongs to the technical field of medical instruments. The device aims at solving the problems that in traditional Kirschner wire perspective point forming operation, repeated perspective depends on the experience of an operator, radiation exposure is large, and operation precision is difficult to guarantee. The device mainly comprises a front sight base which can be fixed on the surface of a receiver of the C-arm machine, wherein a ball head base is arranged in the center of the front sight base; and the ball head laser indicator is arranged on the base and is adjustable in laser direction. When in use, the perspective image is adjusted to the central position of the front sight on the screen by moving the metal point on the operating table. Installing a laser lamp, adjusting the laser lamp to irradiate on a metal point on an operating table, and screwing a nut to fix the position of the laser lamp at the moment. Therefore, a visible laser guide line coinciding with the path of the target X-ray beam is established. And an operator only needs to adjust the guide needle along the laser ray and place the guide needle, so that the guide needle can be stably developed in a point shape in a perspective image, and accurate and rapid screw guide needle placement is realized. The device is simple in structure, low in cost, intuitive in operation, capable of remarkably reducing intraoperative radiation and reducing dependence on experience of operators, and suitable for being used in hospitals of all levels to carry out precise orthopedic surgery under perspective guidance.

An orthopaedic surgical instrument includes a 4-in-1 cutting block and a removable alignment guide. The alignment guide is configured to contact the posterior femoral condyles of a patient's femur so as to kinematically align the 4-in-1 cutting block. A number of shims are selectively installed on the alignment guide to account for any cartilage loss present on the patient's femur. A method of surgically preparing a patient's femur utilizing kinematic alignment is also disclosed.

The present invention relates to a bio-resorbable calcium composite lag screw to achieve compression in small bone fractures. The design features allow for reliable insertion reducing the risk of fracture by having an internal geometry of the screw wherein an inserter or driver used to insert the screw applies force only to the threaded portion of the screw distal from the inserter or driver, reducing the risk of screw breakage on insertion.

A system and method for planning and assisting orthopedic surgical procedures includes a computing device and a robotic surgical device. The computing device defines a surgical coordinate system relative to a patient's bone and captures a plurality of point locations within the surgical coordinate system. The plurality of point locations includes a first point location representing a location on a soft tissue surface overlying a portion of the patient's bone. The computing device identifies an estimated soft tissue thickness value for each of the plurality of point locations and registers a three-dimensional model of the patient's bone within the surgical coordinate system based on the plurality of point locations and the estimated soft tissue thickness value. The computer system can control the robotic surgical device according to the registered bone model.

The utility model relates to the field of medical examination vehicles, in particular to a 5G mobile intelligent orthopaedic medical vehicle which comprises a vehicle body, a diagnosis inquiry area, a DR examination room, a physical examination area, a treatment area and a multifunctional examination room are sequentially arranged behind a cab in the vehicle body from front to back, and a traction bed examination room and a conventional treatment room are arranged in the treatment area side by side; an intelligent system is further carried on the vehicle and comprises a vehicle-mounted 5G router, a desktop computer, an intelligent central control system, an identity authentication device, a video monitoring system, a remote communication device, a temperature regulation and control system, an intelligent temperature measuring device, a disinfection system and a lighting system, and the vehicle-mounted 5G router is connected with the cloud platform. The system carries orthopedic medical resources to realize quick response to emergency situations, and diagnosis and treatment can be carried out at the first time. The medical vehicle is reasonably provided with five functional areas and is provided with an intelligent system, data and a cloud platform communicate with each other, the structure is compact, layout is reasonable, and accurate and efficient diagnosis and treatment are achieved.

The invention discloses a portable orthopedic rehabilitation nursing device, and relates to the technical field of orthopedic rehabilitation nursing. Comprising a thigh bracket, limiting blocks are symmetrically installed at the bottom of the thigh bracket, connecting parts are movably installed on the limiting blocks, limiting holes are formed in the side edges of the connecting parts, the limiting blocks penetrate through the limiting holes, folding rods are arranged at the protruding ends of the connecting parts, and shank brackets are arranged on the folding rods. Arc-shaped holes are formed in the inner side of the shank bracket at equal intervals, a mounting disc is fixedly mounted on the inner sides of the arc-shaped holes, and a jacking assembly is arranged on the inner side of the mounting disc. The jacking assembly is driven through the autonomous leg lifting movement of a patient, joint motion range training and soft tissue massage are combined, the synergistic effect of intermittent axial stress stimulation and the muscle pump effect needed by bone healing is achieved in the non-load-bearing state, and callus formation and venous return are effectively promoted.

The invention provides an immersive medical image teaching system and method based on a virtual digital human, and the system comprises a case data module which is used for importing case data, and generating a case database; the virtual digital person generation module is used for generating a virtual digital person according to the case data; the 3D simulation endoscope imaging module is used for generating a 3D simulation endoscope image according to the case data; the interactive logic engine is used for forming a teaching process script according to teaching logic and driving the virtual digital human to carry out narrative guidance and operation simulation; the teaching evaluation module is used for recording the learning path of the learner and evaluating the learning effect of the learner according to the learning path; according to the method, immersive medical image teaching based on the virtual digital human is realized through the system; the medical image teaching effect and efficiency are remarkably improved, and the system is suitable for multiple sub-fields such as chest and abdomen, heart and cerebral vessels, orthopedics and the like.

Methods, surgical instruments, and associated systems of performing orthopaedic surgical procedures on a patient's knee are disclosed.

Periprosthetic bone fixation plates are disclosed including, for example, periprosthetic proximal femur plate, periprosthetic distal femur plate, periprosthetic humerus plate, periprosthetic ring plate, and periprosthetic troch plate. In use, the periprosthetic bone fixation plates are arranged and configured for use in periprosthetic fractures. That is, the periprosthetic plates include one or more features to facilitate positioning and securement of the bone fixation plate to a patients bone that previously received a surgically implanted orthopedic device or implant such as, for example, an intramedullary nail, a hip prosthesis, a knee prosthesis, etc. In use, the one or more features are designed and configured to facilitate avoidance of the previous surgically implanted orthopedic device or implant. In addition, the periprosthetic bone fixation plates are arranged and configured to facilitate plating of a longer working length as compared to existing bone fixation plates (e.g., plating from, for example, femoral condyle to greater trochanter).

The invention relates to an orthopedic surgery robot registration method, which comprises the following steps of: setting a to-be-registered area of an affected part according to clinical experience, and performing point sampling on the edge of the to-be-registered area through a mechanical arm probe to form a plurality of reference points; acquiring medical image data of the area and fitting to generate a three-dimensional model containing hard bones, cartilage and surrounding tissues; dividing the to-be-registered region into a plurality of sub-regions according to the image data, and adopting a differential acquisition strategy for different types of regions; planning a collection point coordinate in the three-dimensional model of each sub-region and mapping the collection point coordinate to a mechanical arm probe coordinate system; the pose of the mechanical arm is adjusted through pose planning to ensure that all reference points are within the visual field range of the sensor; the robot carries out plane positioning according to the XY coordinates of the collection points, controls the probe based on the Z-axis parameters to achieve accurate point collection according to different clinical requirements, completes automatic point collection, and improves the surgical precision and efficiency.