14 results about "Foot/metatarsal" patented technology

An apparatus, system, and method are disclosed for remediating a condition present in a patient's foot. In some implementations, a resection guide includes a bone engagement feature configured to engage at least a portion of at least one foot bone to position the resection guide. The bone engagement feature may be least partially determined based on a model of the patient's foot, which is defined based on medical imaging of the patient's foot. The resection guide further includes a resection feature that extends through the resection guide from a superior side of the resection guide to an inferior side. The resection feature is configured to guide a cutting tool to form a first osteotomy in a first bone along a first trajectory. Additionally, the resection guide includes a first bone attachment feature configured to engage the first bone and a second bone attachment feature configured to engage a second bone.

The invention provides a method for acquiring a three-dimensional model of an ankle skeleton of a human body by simulating load-bearing CT scanning. The method comprises the following steps: acquiring CT scanning data; uploading the CT scanning data to medical image processing and three-dimensional reconstruction software to obtain an initial scanning image; constructing a three-dimensional model according to the initial scanning image; and carrying out model verification on the three-dimensional model to obtain a skeleton three-dimensional model. According to the method, the high-resolution three-dimensional model of the ankle skeleton can be obtained, and reliable support is provided for medical research, clinical diagnosis and treatment of the ankle and research and development of medical instruments. Compared with a traditional method, the data obtained by simulating the load is more practical, the model quality is remarkably improved through the advanced technology and algorithm, and development of related research and application in the medical field is promoted.

An apparatus, system, and method are disclosed for remediating a condition present in a patient's foot. In some implementations, a resection guide includes a bone engagement feature configured to engage at least a portion of at least one foot bone to position the resection guide. The bone engagement feature may be least partially determined based on a model of the patient's foot, which is defined based on medical imaging of the patient's foot. The resection guide further includes a resection feature that extends through the resection guide from a superior side of the resection guide to an inferior side. The resection feature is configured to guide a cutting tool to form a first osteotomy in a first bone along a first trajectory. Additionally, the resection guide includes a first bone attachment feature configured to engage the first bone and a second bone attachment feature configured to engage a second bone.

The utility model discloses a foot bone traction pad which comprises a base, the whole base is of a cuboid structure, the top of the base is of an opening structure, placing grooves are formed in the front side and the rear side of the base, operation grooves are formed in the left side and the right side of the base, foot pads are installed in the placing grooves, and fixing grooves are formed in the foot pads. According to the traction pad, the feet can be fixed through the foot pad, it is guaranteed that the feet of a patient are located on the body and form the same axis, the traction effect can be guaranteed, and therefore the treatment effect is guaranteed; the inner side fixing pad is arranged and can be adjusted according to the foot size of the patient, and the feet of the patient can be conveniently fixed.

Certain embodiments of the invention provide plates for treating periarticular fractures or other non-full body weight bearing applications that combine polyaxial fixation with a low profile and enhanced contouring that more closely conforms to bone. Such plates can be designed to achieve buttressing effect and / or to be used in a reinforcement mode. Other features can be combined with these. Such plates can be created for use on bone sites such as on a tibia, fibula, metatarsal, calcaneous, other foot bone, humerus, radius, ulna, spinal, maxillofacial, as well as sites on other bones.

The invention discloses a footwear product which comprises a sole and a vamp, on a side view projection surface of the footwear product, the lower surface of the sole forms an arc-shaped rolling contour which continuously extends to the front end of the sole and warps upwards in a half sole area, and a ground contact plane is formed in a heel area; a sole reference plane is defined by the lowest point of the arc-shaped rolling contour and the ground contact plane; the half sole low point of the arc-shaped rolling contour corresponds to the rear side of the foot metatarsal bone area; the ratio of the distance from the foremost end of the arc-shaped rolling contour to the sole datum plane to the projection length of the arc-shaped rolling contour on the sole datum plane is 1: 1.4 to 1: 1.6; an arc-shaped warping contour which continuously extends to the front end of the vamp, warps upwards to the highest point and then bends downwards is formed on the upper surface of the vamp in the toe cap area; a toe cap reference plane is defined by a toe cap low point of the arc-shaped warped contour and the sole reference plane in parallel, and the toe cap low point corresponds to a foot toe-heel area. The footwear product can improve the adverse effect of long-distance running on the toes of a runner.

The invention discloses a multi-model fusion-based foot arch damage degree intelligent evaluation method and system, and belongs to the technical field of medical image processing, and the method comprises the steps: obtaining a foot load X-ray side position film; a DeepLabv3 + image segmentation model is adopted to process the foot load X-ray lateral position film, and a foot bone segmentation image is obtained; based on the foot bone segmentation image, identifying key anatomical points required by foot arch evaluation through a YOLOv8 anatomical point positioning model; according to the spatial position relation of the key anatomical points, arch related angle data such as an inner side longitudinal arch angle, an outer side longitudinal arch angle, a front arch angle and a rear arch angle are calculated; based on the foot arch related angle data, determining a foot arch damage degree grade in combination with a forensic judicial appraisal and evaluation system; according to the method, automation and standardization of foot arch damage assessment are achieved through multi-model fusion, the assessment efficiency is remarkably improved, and the measurement precision is improved.

This invention relates to a method for predicting key points of the internal skeleton based on plantar surface data, belonging to the field of computer vision. The method includes: acquiring an X-ray image of a patient's foot and labeling key points of the foot bones in the image; acquiring a depth map of the same patient's foot based on the camera viewpoint at the time of acquiring the X-ray image, and registering the edge contours of the X-ray image and the depth map to associate the labeled key points in the X-ray image with the features of the depth map; inputting the registered depth map into an improved YOLOv8-pose model to train the model, thereby enabling the model to predict key points of the foot bones based on the foot depth map. This invention can extract key points of the plantar bones in a faster, lower-cost, and non-invasive manner. These key points can be used to diagnose skeletal developmental disorders such as flat feet and high arches, and have significant clinical diagnostic value.

The invention provides a shank bone automatic three-dimensional modeling and entity separation method based on a DICOM image, and compared with the prior art, the shank bone automatic three-dimensional modeling and entity separation method based on the DICOM image further comprises the steps that S1, an aT-Mask is improved to automatically remove a scanning bed body; s2, based on hierarchical DOI and spatial prior step-by-step search, completing hip bone-thighbone separation, tibiofibula-foot bone separation, thighbone-tibiofibula separation and tibia-fibula separation, removing pelvis and foot bones, and outputting a target bone binary voxel sequence Mtarget; and S3, reconstructing a three-dimensional grid by adopting MarchingCubes, realizing topological closing through Laplace smoothing, regularization, M-I hole detection and local replacement, and exporting an OBJ model. The method is high in adaptability, high in segmentation precision and excellent in efficiency.

A calcaneal prosthesis system includes a body having a dorsal surface, a plantar surface, an anterior surface, and a posterior end. The posterior end has a tuberosity. The anterior surface has at least a concavity or convexity shaped for receiving a cuboid bone or mid-foot bone. The dorsal surface includes a convex or concave surface for engaging a talus bone or distal tibia. An integrally formed intramedullary (IM) nail extends from the dorsal surface.

The utility model discloses an artificial ligament fixing device, and belongs to the technical field of foot bone treatment. The device mainly comprises an ankle and an interface screw, a metatarsal bone is connected to the front end of a cuneiform bone, a wedge extension joint is fixedly installed at the joint of the cuneiform bone and the metatarsal bone, a fixing plate is arranged on the surfaces of the cuneiform bone and the metatarsal bone, the front end of the fixing plate is matched with the cuneiform bone in shape, and the rear end of the fixing plate is matched with the metatarsal bone. A fixing hole is formed in the surface of the fixing plate, a threaded groove is formed in the inner side of the fixing hole, a threaded protruding block is fixedly installed on the outer side of the interface screw, a cuneiform bone hole is formed in the surface of the cuneiform bone, an artificial ligament is arranged on the surface of the cuneiform bone hole, and protective pads are arranged on the outer surface of the cuneiform bone and the outer surface of the metatarsal bone. Velcro is fixedly installed at the surface connecting position of the protective pad, and sponge protective cloth is fixedly installed on the inner surface of the protective pad. The artificial ligament fixing equipment is good in fixing effect, and a patient is more practical and comfortable during treatment.

The invention discloses a sole structure and a footwear product. The sole structure comprises an upper insole, a lower insole, an outsole and a reinforcing plate. The lower-layer insole comprises a first supporting module, a second supporting module and a third supporting module which are separated from one another, and the compression deformation rate of the first supporting module located on the outer side of the half sole is lower than that of the second supporting module located on the inner side. The reinforcing plate is arranged between the upper insole and the lower insole, and the reinforcing plate is provided with a straight section in a linear form corresponding to the foot metatarsal bone area. The bottom face of the second supporting module forms an arc-shaped rolling contour, and the lowest point, tangent to the horizontal plane, of the second supporting module is arranged behind the straight section of the reinforcing plate. And meanwhile, the first supporting module and the straight section of the reinforcing plate are at least partially overlapped in the vertical direction. The sole structure can solve the problems that natural torsion of the foot of a half sole landing runner is insufficient, and energy feedback is weak at the moment of stepping on the ground.

A calcaneal prosthesis system includes a body having a dorsal surface, a plantar surface, an anterior surface, and a posterior end. The posterior end has a tuberosity. The anterior surface has at least a concavity or convexity shaped for receiving a cuboid bone or mid-foot bone. The dorsal surface includes a convex or concave surface for engaging a talus bone or distal tibia. An integrally formed intramedullary (IM) nail extends from the dorsal surface.

An apparatus, system, and method are disclosed for remediating a condition present in a patient's foot. In some implementations, a resection guide includes a bone engagement feature configured to engage at least a portion of at least one foot bone to position the resection guide. The bone engagement feature may be least partially determined based on a model of the patient's foot, which is defined based on medical imaging of the patient's foot. The resection guide further includes a resection feature that extends through the resection guide from a superior side of the resection guide to an inferior side. The resection feature is configured to guide a cutting tool to form a first osteotomy in a first bone along a first trajectory. Additionally, the resection guide includes a first bone attachment feature configured to engage the first bone and a second bone attachment feature configured to engage a second bone.