14 results about "Total hip replacement" patented technology

The invention provides an acetabular cup angle and leg length offset measurement system in total hip replacement. A first inertial sensing module detects a first IMU quaternion of a target object; a second inertial sensing module detects second IMU quaternions of the three mark points of the target object and respective coordinates of the thighbone mark points of the target object before and after the replacement; a third inertial sensing module detects a third IMU quaternion of the acetabular cup of the target object; constructing a pelvic bone coordinate system through a calculation module according to the first IMU quaternion and the second IMU quaternion; according to the first IMU quaternion and the third IMU quaternion, the acetabular cup angle under the pelvic bone coordinate system is determined; and determining the leg length offset according to the respective coordinates of the femur mark points before and after the replacement. A plurality of inertial sensing modules are used for measuring and positioning by taking a specific mark point of a human body as a reference, the movement of the acetabular cup can be tracked, the angle of the acetabular cup can be calculated, and the leg length difference before and after an operation is calculated, so that the operation cost is effectively reduced, and the artificial joint implantation precision and the operation efficiency are improved.

The utility model relates to a kind of dislocation-preventing nursing appliances for total hip replacement in the art of joint replacement nursing, including waist belt, the waist belt outside fixed with bracing plate, bracing plate both sides are equipped with connecting plate, two connecting plates bottom are equipped with leg protector, two leg protectors are connected by connecting assembly, for fixing leg, the bracing plate and connecting plate junction are equipped with limiting component, the limiting component includes with the fixed rotating plate of connecting plate one end, the rotating plate outer wall is fixed with rotating block, the bracing plate side close to rotating plate is equipped with two baffle, two baffle are located rotating plate outside, for the leg movement is limited. The utility model is convenient for fixing and controlling leg, avoid patient excessive activity hip joint, to avoid hip joint secondary injury.

The application provides a kind of based on deep learning's full hip joint postoperative leg length difference calculation method and system, it is related to medical technology field, can realize the accurate evaluation of the postoperative condition of the patient of full hip arthroplasty surgery, method includes: obtaining the hip image of the patient after hip arthroplasty surgery;Based on the target recognition network of deep learning, identify the bilateral femur region in hip image, ischium region, the first key point position located in bilateral femur region and the second key point position located in ischium region;According to the first key point position, second key point position and ischium region, determine the leg length difference of the patient's double legs.The system executes the method.The application is based on the hip image of the patient after hip arthroplasty surgery, calculates the leg length difference of the patient's double legs after hip arthroplasty surgery, and realizes the accurate evaluation of the recovery condition of the patient after hip arthroplasty surgery according to the leg length difference of the patient's double legs.

The present invention relates to the technical field of medical auxiliary treatment, and discloses a total hip replacement navigation system, comprising a reference reference device fixed on the pelvis of a patient in a supine position on an operating table; an acetabular cup impactor for adjusting the installation position of an acetabular cup prosthesis; a positioning device detachably mounted on the reference reference device and the acetabular cup impactor, and for measuring an initial anteversion angle and an initial valgus angle of the hip joint, as well as a real-time anteversion angle and a real-time valgus angle of the acetabular cup prosthesis during installation of the acetabular cup prosthesis; obtaining the dynamic anteversion angle and the dynamic valgus angle of the acetabular cup prosthesis by a quaternion attitude determination method according to the dynamic angular velocity of the acetabular cup prosthesis; compensating and correcting the real-time anteversion angle and the real-time valgus angle of the acetabular cup prosthesis according to the dynamic anteversion angle and the dynamic valgus angle of the acetabular cup prosthesis, so that the real-time anteversion angle and the real-time valgus angle of the acetabular cup prosthesis are consistent with the target anteversion angle and the target valgus angle, thereby achieving accurate positioning and installation of the acetabular cup prosthesis.

The application provides a kind of based on deep learning's calculation method and system of postoperative eccentricity of total hip arthroplasty, it is related to medical technical field, can realize the accurate evaluation of the postoperative condition of the patient of total hip arthroplasty surgery, method includes: obtaining the hip image of the patient after hip arthroplasty surgery;Key point position and target area in the hip image are identified based on the target recognition network of deep learning;According to the key point position and the target area, the eccentricity of the patient is determined.The system executes the method.The application is based on the hip image of the patient after hip arthroplasty surgery, calculates the eccentricity of the patient after hip arthroplasty surgery, to realize the accurate evaluation of the recovery condition of the patient after hip arthroplasty surgery.

The invention relates to the technical field of image processing, in particular to a total hip replacement dislocation evaluation system based on image processing, realizes full-process automatic analysis from image acquisition to risk visualization, and has the main advantages that the recognition precision of an anatomical structure is remarkably improved by an intelligent segmentation and three-dimensional reconstruction technology based on deep learning; manual errors are reduced; in combination with biomechanical analysis of habitual actions and static prosthesis matching parameters, risk quantification of dynamic and static combination is realized; a high-risk area is positioned objectively through weighted fusion of multi-dimensional parameters and threshold comparison.

The application discloses a kind of based on cascade mask model's total hip replacement X image unsupervised denoising method, belong to image processing field.The Tokens generation process of DiT module is improved in the application, and in order to improve the generation accuracy of denoising image, reduce training difficulty, the patent constructs cascade DiT module, the low-resolution image generated by the previous DiT is as the conditional input of next DiT module, to gradually generate ultrahigh-resolution noiseless human hip image.Utilize diffusion prior calculation iterative denoising algorithm, only need the noiseless human hip image in medical practice is easy to obtain to the model is completely unsupervised training.The cascade mask CMDiT module proposed in the application is simple to train, and the denoising image generated is accurate and has high resolution, which can greatly improve the accuracy of the surgeon in preoperative and postoperative total hip replacement in surgical plan and surgical effect evaluation, and plays an important role in the medical field.

Provided in the present application is a comprehensive-orthopedic multi-indication artificial-intelligence surgical robotic system, comprising: a total hip arthroplasty module, which is used for performing preoperative planning, intraoperative total hip arthroplasty, and real-time display; a total knee arthroplasty module, which is used for performing preoperative planning, intraoperative total knee arthroplasty, and real-time display; a unicompartmental knee arthroplasty module, which is used for performing preoperative planning, intraoperative unicompartmental knee arthroplasty, and real-time display; a periacetabular osteotomy module, which is used for performing preoperative planning, intraoperative periacetabular osteotomy, and real-time display; a sports medicine module, which is used for bone tunnel planning, ligament reconstruction, and real-time display; a pedicle screw fixation navigation module, which is used for performing intraoperative navigation and positioning during pedicle screw fixation, and real-time display; and a trauma positioning and navigation module, which is used for performing intraoperative trauma positioning and navigation, and real-time display. By means of the embodiments of the present application, assistance can be quickly and accurately provided during surgery.

The invention discloses a pelvic bone and femur bonesetting evaluation method and system for total hip replacement, which provides accurate quantitative calculation of physiological parameters such as hip length difference and eccentricity difference before and after an operation, establishes a unified numerical evaluation standard, replaces traditional qualitative judgment depending on doctor experience, visually displays the improvement degree of an operation effect through difference analysis, and improves the accuracy of bone setting. The reduction precision of an anatomical structure is ensured based on three-dimensional reconstruction of a CT coordinate system, submillimeter-level positioning of a femoral head center point is realized through a least square fitting algorithm, the error of a local coordinate system established through a vector cross method is smaller than 0.5, the operation repeatability and the bonesetting matrix calculation process are ensured through a unified landmark registration method (four-point registration), manual operation differences are reduced, and the precision of bone setting is improved. The mirror image operation design ensures the consistency of bilateral femur treatment, and the evaluation of preoperative planning and postoperative verification is realized.

The application provides a full-orthopedic multi-disease artificial intelligence surgical robot system, comprising: a total hip replacement module for preoperative planning, intraoperative total hip replacement and real-time display; a total knee replacement module for preoperative planning, intraoperative total knee replacement and real-time display; a unicompartmental arthroplasty module for preoperative planning, intraoperative unicompartmental arthroplasty and real-time display; a periacetabular osteotomy module for preoperative planning, intraoperative periacetabular osteotomy and real-time display; a sports medicine module for bone tunnel planning and ligament reconstruction and real-time display; a spine nail positioning navigation module for intraoperative spine nail positioning navigation and real-time display; and a trauma positioning navigation module for intraoperative trauma positioning navigation and real-time display. According to the embodiment of the application, the auxiliary surgery can be quickly and accurately performed.

The disclosure relates to methods of preparing a femur for hemi arthroplasty or total hip replacement. An aim is to create a channel through the femur, for receipt of a vent tube, which can be attached to a surgical suction device to lower the pressure on the mid and distal femur and thereby prevent or at least reduce a risk of embolisation. The channel may be created from (and accessed via) a proximal end of the femur or a distal end of the femur. Furthermore, the methods disclosed herein may be selectively used with cemented or uncemented components and with flat (blade-shaped) or rounded (conical) femoral stem components.

The application provides a total hip replacement femoral side prosthesis placement position controller, and belongs to the technical field of medical devices.The total hip replacement femoral side prosthesis placement position controller comprises a measurer, a threaded hole, a threaded plug, a sliding plate, an adjusting bolt and a hip replacement femoral side prosthesis placement position controller.The threaded hole is arranged at the upper end of the measurer;the threaded plug is threadedly connected in the threaded hole;the sliding plate is arranged at one side of the measurer;the adjusting bolt is fixedly connected at one side end of the measurer;the hip replacement femoral side prosthesis placement position controller is a simple controller body, which can be fixed on the neck of a femoral stem prosthesis;an adjusting column is additionally arranged at one side of the body;the surface of the baffle has a scale of -5mm to +15mm;the small hole of the sliding slot is 1.6mm in size and vertically movable, so that the Kirschner wire can pass through to determine the approximate position of the prosthesis;the device is simple to operate, can reduce the long and short leg conditions and related complications after operation, and improves the satisfaction degree of patients.

The invention provides a cold region orthopedics department digital intelligence diagnosis and treatment intelligent operation planning system comprising a total knee joint replacement planning module used for planning according to an acquired knee joint medical image and cold region specificity data; the total hip replacement planning module is used for planning according to the acquired hip joint medical image and cold region specificity data; the unicondylar joint replacement planning module is used for planning according to the obtained knee joint medical image and cold region specificity data; the acetabulum periphery osteotomy planning module is used for planning according to the obtained hip joint medical image and cold region specificity data; the sports medical planning module is used for planning according to the acquired joint medical image and cold region specificity data; the spine planning module is used for planning according to the spine medical image and the cold region specificity data; and the trauma planning module is used for performing trauma operation planning according to the trauma part medical image and the cold region specificity data.

The utility model relates to the field of positioning devices, in particular to a complete positioning device for artificial total hip replacement, which is characterized in that a leg support bracket is mounted at the upper part of a bottom plate through a rotating seat, a cover plate is mounted at the upper part of the leg support bracket in a covering manner, and a pair of double-end opposite lead screws is mounted in the middle of the cover plate; threaded sections with opposite rotating directions are arranged at the two ends of the double-end opposite lead screw respectively, sliding blocks are connected to the threaded sections at the two ends in a threaded mode respectively, positioning rods are installed at the bottoms of the sliding blocks, and when the double-end opposite lead screw rotates, the sliding blocks at the two ends are driven by spiral rotation to achieve opposite displacement. According to the utility model, the leg supporting bracket supports and positions the thighs of a patient, the leg supporting bracket realizes a rotary locking function through the components such as the rotary seat and the fastening bolt, the cover plate is matched with the solid rod to press the legs so as to finish a vertical positioning function, and meanwhile, the double-end opposite screw rod is rotated to drive the positioning rods to move in opposite directions, so that the leg supporting bracket can be used for supporting the thighs of the patient. Therefore, the legs are clamped and locked, the left-right positioning function is achieved, and the stable positioning effect is achieved.