338 results about "Orthopaedic department" patented technology

An orthopaedic implant includes a tibial component having a metal base with a polymer bearing molded thereto. A method for making a tibial component is also disclosed.

The invention relates to the technical field of orthopedic diagnosis and treatment, in particular to a monitoring method and system for dynamically monitoring the lower limb vein blood flow state and a storage medium. The method comprises the following steps: acquiring a lower limb vein ultrasound image sequence of a target patient, and establishing a blood vessel space probability distribution map based on anatomical priori knowledge; encoding the blood vessel space probability distribution map into conditional prior information, and constructing a blood vessel ontology knowledge base; constructing a multi-level diffusion probability model according to the blood vessel ontology knowledge base; and performing vascular structure reconstruction and blood flow feature extraction on the lower limb vein ultrasound image sequence by using the multi-level diffusion probability model to obtain blood vessel fluid feature data. Vascular positioning, branch recognition and morphological analysis are completed step by step from macroscopic to microcosmic through the three-level diffusion model, blood flow dynamic information is extracted in combination with time sequence features, and comprehensive representation of a vascular system is achieved.

A method for determining one or more of selection, positioning or placement of a surgical implant, the method includes:predicting function of an impaired anatomical structure in an unimpaired condition;predicting post-operative function of the structure for one or more implants;selecting one or more of the implant, the implant position, or the implant location to improve the predicted post-operative function.

An orthopaedic tibial prosthesis includes a tibial baseplate with an asymmetric periphery which promotes proper positioning and orientation on a resected tibia, while also facilitating enhanced kinematics, soft-tissue interaction, and long-term fixation of the complete knee prosthesis. The asymmetric baseplate periphery is sized and shaped to substantially match portions of the periphery of a typical resected proximal tibial surface, such that proper location and orientation is evident by resting the baseplate on the tibia. The baseplate periphery provides strategically positioned relief and / or clearance between the baseplate periphery and bone periphery, such as in the posterior-medial portion to prevent deep-flexion component impingement, and in the anterior-lateral portion to avoid undue interaction between the anatomic iliotibial band and prosthesis components.

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.

A femur-first orthopaedic surgical procedure may include using a surgical navigation system to perform one or more initial measurements on a femur of a patient, a tibia of the patient, or both and to develop a surgical plan for the orthopaedic surgical procedure based on the one or more initial measurements, performing a first resection of the femur, using the surgical navigation system to perform one or more later measurements of the tibia that were inaccessible prior to the first resection of the femur and to confirm the surgical plan based on the one or more later measurements of the tibia, performing a tibial resection of the tibia based on a planned tibial resection plane of the surgical plan after confirming the surgical plan, and performing additional resections of the femur based on planned femoral resection planes of the surgical plan after confirming the surgical plan.

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.

Systems and methods for planning and assisting orthopaedic surgical procedures include a computer system and a robotic surgical device. The computer system receives multiple surgeon preferences, including target values and boundary values for surgical parameters of the orthopaedic surgical procedure. A surgeon uses the computer system to perform bony registration and leg-alignment registration for anatomy of a patient. The computer system determines a surgical plan for the orthopaedic surgical procedure based on the surgeon preferences, the bony registration, and the leg-alignment registration. The surgical plan includes planned values associated with the surgical parameters that are within the boundary values of the surgeon preferences. Determining the surgical plan may include automatically adjusting tibial coronal alignment, femoral coronal alignment, femoral flexion, femoral rotation, distal femoral resection height, proximal tibial resection height, and / or distal femoral resection height. The computer system may control the robotic surgical device according to the surgical plan.

An orthopaedic joint replacement system is shown and described. The system includes a number of prosthetic components configured to be implanted into a patient's knee. The system also includes a number of surgical instruments configured for use in preparing the bones of the patient's knee to receive the implants. A number of methods for using the surgical instruments to prepare the bones is also disclosed.

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.

Femoral implant part (4) or tiboral implant part (6) for an orthopedic knee joint prosthesis (2), wherein the implant part (4) has at least one surface area (10, 12) facing the bone and in contact with the bone in the implanted state, wherein the implant part (4) is at least partially, at least the surface area (10, 12) in contact with the bone, made of a plastic, in particular polyetheretherketone (PEEK) or a polyetheretherketone (PEEK) composite material. The implant part (4) has a three-dimensional surface structure (22, 24) in the surface area (10, 12) facing the bone.The three-dimensional surface structure (14) comprises a rib structure (26), wherein a first rib section (30) extending in a plane on a surface of the surface region (10, 12) or a first rib (28, 28-1) of the rib structure (26) extending in a plane on the surface of the surface region (10, 12) and a second rib section (30) extending in a plane on the surface of the surface region (10, 12) or a second rib (28, 28-2) of the rib structure (26) extending in a plane on the surface of the surface region (10, 12) extend in a plane at least sectionally in different directions.

A method for designing a uni-compartmental orthopaedic prosthesis includes generating a three-dimensional statistical model of a knee joint, determining a curvature of a section of a bone of the knee joint represented by the three-dimensional statistical model, and designing a section of the uni-compartmental orthopaedic prosthesis corresponding to the section of the bone of the knee joint to have a curvature that matches the curvature of the section of the bone of the knee joint. Additionally, a tibial and femoral uni-compartmental orthopaedic prosthesis are also disclosed, each of which includes a section having a curvature that matches a corresponding section of a corresponding bone of the knee joint represented by the three-dimensional statistical model.

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.

Kits and methods for use in intraoperative trialling of hip prostheses to determine an appropriate length for the femoral neck component of a prosthetic hip joint, are described. A kit for use in selecting a femoral neck component of an orthopaedic joint prosthesis kit comprises a first and a second broach. Each of the first and second broaches has a neck connection element comprising a projection extending from a proximal surface of the broach, each projection having a length. The projection on the first broach has a different length than the projection on the second broach. The kit also includes a trial femoral neck component having a neck connection element in the form of a recess in a distal surface. The recess is configured to mate with the projection on each of the first or second broaches such that mating of the trial femoral neck component with the first broach provides an assembly with a first neck length, and the mating of the trial femoral neck component with the second broach provides an assembly with a second neck length.

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.

This disclosure relates to surgical systems and methods for planning and implementing surgical procedures. The systems and methods disclosed herein may be utilized for implant design and placement. The disclosed implants may include one or more fixation members for securing the respective implant at a surgical site. The implant design may establish a geometry of each fixation member.

The invention provides a traction device for traumatic orthopedics first aid. The traction device comprises parallel lead screws, a locking unit and a position adjusting unit. The locking unit is formed by splicing three arc-shaped assemblies into a ring, and a base plate is driven to press limbs through linkage of a sliding block; the position adjusting unit achieves one-way self-locking of a lead screw through a spring-adjusting cylinder structure and is matched with an adjusting nut to accurately control traction force. The device has the advantages of rapid fixation, adjustable traction force, balanced pressure and the like, and is suitable for emergency treatment of crus fracture.

The invention relates to the field of orthopedic medical instruments, and discloses a femoral stem prosthesis with an adjustable connecting plate, the femoral stem prosthesis comprises a femoral stem body and a femoral proximal end arranged on the femoral stem body, the femoral proximal end is provided with a first connecting part and a second connecting part, the first connecting part is connected with the femoral stem body, and the second connecting part is connected with the femoral stem body. The second connecting part inclines relative to the first connecting part to form a femoral neck with taper and is used for being connected with a femoral head prosthesis in a conical mode, a connecting plate is arranged at the end, away from the femoral stem body, of the first connecting part, and the length of the portion, extending out of the first connecting part, of the connecting plate can be adjusted. According to the femoral stem prosthesis with the adjustable connecting plate, the actual use length of the connecting plate can be determined according to the condition of the femur in the operation, by means of the new prosthesis improvement scheme, the purpose of early weight bearing after the operation is achieved, the thighbone greater trochanter is reset and stabilized again, and therefore rehabilitation after the hip fracture operation is accelerated.

A surgical instrument system includes a commonly-sized orthopaedic surgical instrument assembly for use in implanting a femoral component, along with a number of orthopaedic surgical instrument assemblies having varying sizes of instruments of use in implanting a tibial tray component and a patella component.

Technologies for determining seating of an orthopaedic implant during an orthopaedic surgical procedure includes an impaction sensor and an impaction analyzer. The impaction sensor produces sensor data, in response to an impaction between an orthopaedic mallet and a surgical tool indicative of an initial impact and a secondary impact of the impaction. The impaction analyzer analyzes the sensor data to determine a temporal length between the initial and secondary impacts and determines whether the orthopaedic implant is sufficiently seated into the bone based on the temporal length.

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 utility model relates to the technical field of medical instruments, and discloses an orthopaedic medical hammer with a replaceable hammer head, which comprises a taper shank, a clamping groove is arranged in the taper shank, a taper head is arranged at the top of the taper shank, a connecting column is fixedly connected in the taper head, a sealing component is arranged at the bottom of the taper head, a first limiting plate is slidably connected in the connecting column, and a second limiting plate is arranged in the first limiting plate. A supporting rod is rotatably connected to the interior of the first limiting plate, locking blocks which are symmetrically arranged are rotatably connected to the interior of the connecting column, one end of the supporting rod is rotatably connected to the interior of the locking blocks, and a telescopic rod is arranged in the connecting column. According to the conical head installation device, through cooperation of the connecting column, the first limiting plate, the locking block, the supporting rod, the telescopic rod and the first spring, the effect of rapidly installing the conical head is achieved, and the problems that an operator needs to screw a bolt into the position between the conical handle and the conical head through a cooperation tool for fixing, and the installation process is inconvenient are solved; and the installation efficiency of the medical hammer for the orthopedics department is improved.

The utility model discloses an anti-displacement orthopaedic traction frame, which belongs to the technical field of orthopaedic traction frames and comprises a traction bow, connecting columns fixedly connected to two ends of the traction bow and traction needles penetrating through internal through holes of the connecting columns. A threaded through hole communicating with the penetrating hole is formed in the side wall of the connecting column, a pushing screw shaft is in threaded connection with the interior of the threaded through hole, one end of the pushing screw shaft is rotationally connected with a sliding block, and one end of the sliding block is fixedly connected with a clamping piece clamped with the annular notch. By arranging the pushing screw shaft, the sliding block and the clamping piece and forming the annular notch in the surface of the traction needle, the pushing screw shaft is rotated to drive the sliding block to move, and then the clamping piece is driven to move, so that the clamping piece is clamped with the annular notch, and the limiting effect of the pushing screw shaft on the traction needle can be enhanced.