55 results about "Fibula bone" patented technology

An example apparatus is provided for the approximation of two bones. The apparatus can include a nail configured to be disposed within a first bone (e.g., the fibula). The nail can include a proximal end, a distal end, and a rigid body. The apparatus can further include one or more first threads disposed along the proximal end of the nail, and one or more second threads disposed along the distal end of the nail. The first thread(s) can be axially spaced from the second thread(s).

Disclosed is an intramedullary nail useful in the repair of fibular fractures. The nail has a proximal portion with a threaded outer surface and a threaded distal portion. The distal portion may have a tapered or partially tapered configuration or a staggered configuration. The nail may be used with a placement jig that has holes aligned with transverse holes in the nail to enable placement of securement screws and other devices. An associated kit and method are also disclosed.

An intramedullary fibula nail kit includes an intramedullary fibula nail. The intramedullary fibula nail includes a proximal portion configured to be positioned within a medullary canal of a fibula, and a distal portion configured to be positioned within the medullary canal of the fibula. The distal portion defines a non-cylindrical cross-section.

The present invention provides a lateral fibular bone transport external fixator device, which includes a fibular transport device, a tibia fixation device, and a connection device. The fibular transport device drives the synchronous movement of the fibular transport frame through the movement of the adjustment device, so as to realize the position offset of the bone block of the osteotomy segment of the fibula. The tibia fixation device includes a tibia fixation frame and a deviation correction adjustment device, and the deviation correction adjustment device can adjust the fixation position of the tibia fixation frame and the connection device. The connection device connects the fibular transport device and the tibia fixation device. The present invention also provides a method for using the lateral fibular bone transport external fixator device. The present invention only sets the fixed fulcrum on the tibia, reduces the number of wound surfaces on the tibia side, does not affect the load-bearing capacity of the tibia after surgery, and at the same time sets the bone transport operation on the fibular side to realize the lateral fibular bone transport. The fibula is located deep in the skin fascia and is wrapped by the anterior and posterior muscle groups of the fibula. There is a richer capillary basis for bone transport at the fibular end, and the effect of repairing blood circulation is better.

The present invention discloses a method and system for segmenting the fibula and tibia in a DR knee joint anteroposterior film in quality control, which relates to the field of DR image recognition technology; the method includes obtaining at least one DR knee joint image, and preprocessing the DR knee joint image by a threshold method; using a fuzzy C-means clustering method to segment the fibula and tibia in the preprocessed DR knee joint image; determining the edge of the overlapping part of the fibula and tibia by edge detection; obtaining the lateral edge of the fibula; and judging whether the overlap amount meets the standard based on the edges of the two sides of the fibula and the edges of the overlapping bone tissue. The present invention does not require manual operation, and can completely automatically segment the fibula and tibia, and subsequently uses the overlap amount of the fibula and tibia to determine whether the positioning meets the requirements. The overall process greatly saves the time of judging whether it is a DR knee joint anteroposterior film, and significantly improves the efficiency of image quality control and evaluation.

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.

A tibial plateau posterior lateral fixing device comprises a fixing steel plate and screws. The fixing steel plate comprises a C-shaped steel plate body, a binding face which is formed on the inner side of the C-shaped steel plate body and used for being attached to sclerotin under a tibial plateau articular surface, one or more fixing screw holes formed in the front end of the C-shaped steel plate body, and positioning holes which are formed in the rear end of the C-shaped steel plate body and are opposite to the one or more fixing screw holes. The screws are matched with the one or more fixing screw holes, and the tail ends of the screws can be clamped in the positioning holes; according to the fixing device limited by the application, the injury risk of nerve, blood vessel and tendon caused by a complicated anatomical structure of a conventional rear side approach is avoided; the C-shaped steel plate body can penetrate through a gap between an outer side collateral ligament and a tibial condyle above a fibula head and wrap the rear outer side of a tibial plateau, so that extrusion supporting of a blind area bone block on the rear outer side is achieved; and the two screws are clamped into the rear positioning holes to form a frame structure, so that the fixing device has good mechanical stability.

The utility model relates to the field of external fixators, and discloses a fibula unilateral external fixator which comprises a threaded column, the upper end of the outer surface of the threaded column is sleeved with an upper nut in a threaded mode, the middle of the outer surface of the threaded column is sleeved with a clamping block in a threaded mode, and a clamping groove is formed in one side of the lower end face of the clamping block. The lower end of the outer surface of the threaded column is sleeved with a lower nut in a threaded mode. In the utility model, in a surgical operation, a steel plate is usually used for treating a fracture through a screw, and the steel plate is fixed on a skeleton through a screw to provide stable support and promote the healing of the fracture, but the screw steel plate needs to be disassembled after being used, and meanwhile, the screw steel plate possibly causes injury to a patient when being disassembled; when the fibula unilateral external fixator is used, external fixation is convenient, the broken end of the fibula can be reset through a small incision or closing, the outer surface of the threaded column is sleeved with the upper nut and the lower nut, and the positions of the clamping block and the clamping piece can be adjusted when the upper nut and the lower nut are rotated.

The invention discloses a method and a system for judging the stability of an ankle joint. The system comprises an image acquisition module, a network construction module, a skeleton edge point positioning module and a joint stability judgment module, the image acquisition module performs frame extraction and denoising on the ankle ultrasonic video, and marks tibia and fibula edge points; the network construction module generates a high-precision target positioning network; the skeleton edge point positioning module is used for positioning skeleton edge points in real time through the trained network; the joint stability judgment module is used for sequentially calculating the bone gaps when the ankle joints of the patient face the outer side and the neutral position and calculating the final ratio, and when the extorsion position distance is obviously larger than the neutral position, namely, the stretch ratio is larger than 1, it is considered that the joints are unstable. According to the invention, joint problems can be quickly responded during operation, and doctors can be assisted in diagnosis.

An adjustable, knotless button / loop construct for fixation of ankle syndesmosis tibio-fibular diastasis and an associated method of ankle repair using the same. The knotless construct comprises a pair of buttons attached to a flexible, continuous, self-cinching, adjustable loop integrated with two splices that are interconnected. The knotless construct is passed through fibular and tibia tunnels and the buttons are secured on the cortical surfaces of tibia and fibula. One of the buttons (for example, an oblong button) is secured on the medial side of the tibia by passing the button and the flexible, adjustable loop though the fibular and tibia tunnels and then flipping and seating the button outside the tibia. The length of the flexible adjustable loop is adjusted so that the second button (for example, a round button) is appropriately secured on the lateral fibula.

The invention discloses a geometric feature-based knee joint cruciate ligament and collateral ligament dead point center positioning method, which comprises the following steps of: acquiring knee joint CT images of a human knee joint and a cruciate ligament related skeleton, acquiring an intercondylar fossa vertex by combining a grey-scale map and binarization processing, screening an inner side point set by utilizing femur model features and combining a detection box, and positioning the knee joint cruciate ligament and collateral ligament dead point center. Determining a posterior cruciate ligament thighbone dead center; the femoral protuberance position is iteratively cut by utilizing the femur model characteristics and combining with medical priori knowledge, whether the medial collateral ligament dead center area is met or not is judged, and then the medial collateral ligament femoral dead center center is determined; combining medical priori knowledge and drawing characteristic lines, and determining the center of a medial collateral ligament tibia dead center; fitting a three-dimensional straight line by using a PCA (Principal Component Analysis) method by using femur model features, and determining the center of a lateral collateral ligament femur dead center through two feature lines in combination with medical priori knowledge; and determining the center of the fibula stop point of the lateral collateral ligament by utilizing the characteristics of the fibula model and combining the area of the fibula stop point of the lateral collateral ligament.

An example apparatus is provided for placing a nail and a first anchor within a first bone, such as the fibula. The first anchor may include a proximal end and a distal end and may be configured for insertion into a first hole in the first bone, wherein the proximal end may be configured to interface with the nail.

The invention discloses a fibula far-end downward-moving single-arm external fixing device, and relates to the technical field of orthopedic external fixing frames, the fibula far-end downward-moving single-arm external fixing device comprises a first fixing assembly and a second fixing assembly, the first fixing assembly comprises a first fixing frame, an upper sliding clamping block, a first kirschner wire, a lower sliding clamping block and a second kirschner wire, the first fixing assembly comprises a first fixing frame and a first kirschner wire, the upper sliding clamping block and the lower sliding clamping block are arranged on the first fixing frame in a sliding mode and locked through a locking device, the first kirschner wire penetrates through the upper sliding clamping block to be fixedly connected with the proximal tibia end or the proximal fibula end, and the second kirschner wire penetrates through the lower sliding clamping block to be fixedly connected with the distal fibula end; the second fixing frame is fixedly connected with the first fixing frame, the third kirschner wire penetrates through the second fixing frame and is fixedly connected with the far end of the fibula of the patient, and the second kirschner wire and the third kirschner wire form an included angle and are located in different planes. The fixing effect of the fibula far-end downward-moving single arm is good, and fixation can be conducted from multiple aspects.

The invention belongs to the technical field of medical equipment, and particularly relates to tibia and fibula fracture traction reduction equipment which can flexibly and conveniently adjust a hook traction angle according to the state of a patient when the patient is subjected to traction treatment through the arrangement of a telescopic mechanism, an adjusting mechanism and an adjuster, so that the traction requirements of different patients are met, and the traction treatment efficiency is improved. The treatment suitability is improved; by arranging the pressure applying device, the traction force can be applied more stably and conveniently, an external counterweight component is not needed, and the stability and the adjustment convenience of the traction force are improved; the whole device is simple in structure, easy to operate, capable of being used in multiple occasions and convenient to store and carry.

The present invention relates to an ankle osteotomy guide plate assembly capable of providing stable support during surgery, including a tibial guide plate and a talar guide plate. The tibial guide plate has a medial side facing the medial malleolus of the tibia, a lateral side opposite to the medial side, a superior side facing the knee joint, an inferior side opposite to the superior side, a first lateral side close to the fibula, and a second lateral side opposite to the first lateral side. A first supporting foot and a second supporting foot are provided on the inferior side of the tibial guide plate. The first supporting foot is arranged close to the fibula, and the second supporting foot is arranged away from the fibula. Both the first supporting foot and the second supporting foot can abut against the tibia, and the distance that the first supporting foot extends towards the talus is greater than the distance that the second supporting foot extends towards the talus.

The invention discloses a bone fracture plate. The bone fracture plate comprises a tibia platform plate body, and the tibia platform plate body comprises a head part and a rod part; the head part is provided with a plurality of head spicule positioning holes and a plurality of head locking holes, and the plurality of head spicule positioning holes and the plurality of head locking holes are arranged along the width direction of the head part; the rod part is provided with a rod pressurizing hole and a plurality of rod locking holes; the area where the head locking hole is located is located between the area where the skull needle positioning hole and the area where the rod locking hole is located. The number of the rod locking holes is at least two, one rod locking hole is a first rod locking hole, and the other rod locking hole is a second rod locking hole. The axis of the first rod locking hole, the axis of the second rod locking hole and the axis of the head locking hole form a triangular structure. The bone fracture plate has the anti-rotation performance and higher stability, is precisely attached to the complex bone form of the outer side of a tibial plateau, can be combined with a locking bone fracture plate for fibula fracture, and is fixed in multiple directions.

An intramedullary fibula nail kit includes an intramedullary fibula nail. The intramedullary fibula nail includes a proximal portion configured to be positioned within a medullary canal of a fibula, and a distal portion configured to be positioned within the medullary canal of the fibula. The distal portion defines a non-cylindrical cross-section.

An apparatus and methods for a fibular nail are provided for repairing fibular bone fractures. The fibular nail includes an elongated body having fins at a proximal end for anchoring within an intramedullary space of the fibula and a distal end for actuating the fins. The fibular nail is positioned to extend the distal end across the fracture. An actuator is used to deploy the fins to anchor the fibular nail within the intramedullary space. The distal end includes fixation holes for fastening the nail to surrounding bones. The fixation holes are strategically disposed along the distal end at angles and intervals that facilitate receiving bone screws and K-wires to stabilize the surrounding bones. Bone screws are inserted through the fixation holes into holes drilled in the surrounding bones to fasten the fibular nail across the fracture to fixate the portions of the fibula.

1. Name of the Industrial Design Product: Fracture External Fixation Device (Tibia and Fibula). 2. Use of the Industrial Design Product: Mainly used to wrap around the fracture site of the patient's tibia and fibula for fracture fixation. 3. Design Key Points of the Industrial Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Front View. 5. This industrial design product is a thin product, and the left view, right view, top view and bottom view are omitted.

This invention discloses a multi-objective optimization-based method for preoperative tibial prosthesis localization in ankle replacement surgery, primarily addressing the problems of poor accuracy and low reliability in existing ankle prosthesis localization methods. The method includes: 1) acquiring and processing medical CT images and prosthesis model data of the affected lower limb, completing prosthesis standard position calibration and establishing a local coordinate system; 2) segmenting bone tissue, extracting three-dimensional models of the tibia, fibula, and talus, and including HU bone mineral density values; 3) standardizing the skeletal model, labeling anatomical landmarks, and constructing an orthogonal standard coordinate system; 4) pre-calculating relevant data of the distal tibial articular surface; 5) generating initial candidate solutions through grid search and constraint filtering; 6) obtaining the Pareto front by combining the NSGA-II-CDP algorithm and constraint dominance principles; 7) recommending the optimal solution and generating a visual model through multi-stage compromise solution filtering and multi-criteria decision-making. This invention can unify anatomical orientation, improve computational efficiency, and achieve accurate and efficient localization.

The utility model relates to the technical field of medical instruments, in particular to a distraction reduction fibula far-end bone fracture plate which comprises a head portion, a neck-trunk portion and a trunk portion which are integrally arranged, the width of the head portion is larger than that of the trunk portion, the head portion is provided with a plurality of locking holes arranged at intervals, the trunk portion is provided with a plurality of through holes arranged at intervals, and the through holes are communicated with the neck-trunk portion. The through hole is a combination hole formed by overlapping a threaded round hole and a non-threaded pressurizing hole groove part, the long axis X of the combination hole is arranged in the length direction of the stem part, and the pressurizing hole groove is arranged close to one side of the head part. The pressurizing hole groove in the combination hole is arranged close to one side of the head of the bone fracture plate, so that the pressurizing direction of the pressurizing hole groove is far away from the fracture end of the far end of the fibula, the stretching reduction of the fracture end is realized, and the treatment effect of the fracture of the far end of the fibula is effectively improved.

An example apparatus is provided for the approximation of two bones. The apparatus can include a nail configured to be disposed within a first bone (e.g., the fibula). The nail can include a proximal end, a distal end, and a rigid body. The apparatus can further include one or more first threads disposed along the proximal end of the nail, and one or more second threads disposed along the distal end of the nail. The first thread(s) can be axially spaced from the second thread(s).

Disclosed herein are components, systems, and methods to secure an intramedullary implant to multiple fragments of a fractured bone and to secure an intramedullary implant to a fragment of a fractured bone using multiple modalities. The intramedullary implant includes a proximal body portion with transverse fixation holes positioned to receive bone fixators that secure a first bone fragment of the fractured bone to the intramedullary implant, a distal body portion with a deployable bone fixator that abuts an inner surface of a second bone fragment of the fractured bone, and a tapered intermediate body portion with a transverse fixation hole positioned to receive a bone fixator that secures the second bone fragment of the fractured bone to the intramedullary implant.

1. The name of the design product: foot pad for fibula flap surgery. 2. The use of the design product: for elevating the foot after fibula flap surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 2.

This invention discloses a method for determining the placement path of the lateral ankle pin and a method for preparing a guide plate. The determination method includes: acquiring an image sequence of the ankle joint; based on the analysis of the image sequence of the ankle joint, identifying and determining the talus, fibula, and outer contour of the skin, and constructing an ankle joint solid model; based on the ankle joint solid model, performing positional analysis on the fibula to determine the unnamed tubercle of the fibula and establishing a pin placement point; combining the ankle joint solid model and the pin placement point, performing positional analysis on the talus to determine the parallel plane of the lateral surface of the talus and providing an initial rotation reference line; updating the initial rotation reference line in the parallel plane of the lateral surface of the talus according to the pin placement point and a preset standard angle, and providing a rotation reference line; based on the rotation reference line, providing a first pin placement reference line, determining the lateral ankle pin placement path, achieving precise determination of the anchoring position, and ensuring the accuracy of pin placement.

The invention relates to a design method of a proximal fibula intramedullary nail based on computer simulation. Comprising the following steps: constructing a three-dimensional digital model of near-end and surrounding tissues of fibula based on CT scanning data of a patient, and accurately marking common peroneal nerve walking, skeleton morphological characteristics and fracture types; simulating stress distribution data of the fracture part by using a finite element analysis method; in combination with the three-dimensional model and the stress distribution data, a personalized intramedullary nail model matched with the proximal curvature, length and internal structure of the individual fibula is generated through parameterized design; and planning a minimally invasive implantation path of the intramedullary nail in a computer simulation environment, and generating matched implantation path data to guide an operation. Compared with the prior art, three-dimensional anatomical modeling, finite element analysis and parametric design technologies are creatively integrated, a complete personalized intramedullary nail design system is established, and the matching precision, fixing stability and operation safety of instruments and bones are effectively improved.

An ankle syndesmosis repair system is designed to stabilize the ankle syndesmosis to allow for the repair of the ankle syndesmosis. The system provides multi-level, multi-directional stabilization of the ankle joint, while providing a sufficient amount of flexibility to the ankle joint. The system includes a suture advancing device, a fibula engaging arrangement, and a tibia engaging arrangement. The suture advancing device is configured to create a plurality of bone tunnels between the fibula engaging arrangement and the tibia engaging arrangement. The fibula engaging arrangement and the tibia engaging arrangement are each configured to receive and secure a plurality of lengths of suture when implanted on the ankle syndesmosis. The plurality of lengths of suture are provided at differing longitudinal and transverse locations relative to the fibula and tibia. The plurality of lengths of suture are also angled with respect to each other.

The application discloses an angle-adjustable guiding reset device for tibiofibular syndesmosis, which comprises an adjusting mechanism, a first guiding reset mechanism, a second guiding reset mechanism and a positioning mechanism; the two guiding reset mechanisms are symmetrically arranged on the two sides of tibia and fibula and are connected through the adjusting mechanism; the positioning mechanism comprises a positioning plate and a positioning rod, the positioning plate is attached to the posterolateral surface of the fibula, and the positioning plate is connected with the adjusting mechanism through the positioning rod; the adjusting mechanism adjusts the position and axial direction of the two guiding reset mechanisms clamping the tibia and the fibula with the positioning plate as the reference. The posterolateral surface of the fibula is used as the reference datum of the guiding reset device to accurately correspond the axial direction of the guiding reset mechanism in the three-dimensional space to the reset axis planned in the CT image, so that the reset effect of the tibia and the fibula is closer to the ideal reset state. Especially, the reset mode of the two guiding reset mechanisms clamping the two bones in opposite directions can further enhance the stability in the reset process and reduce the risk of bone damage.

The utility model relates to a fibula positioner which comprises a positioning body, a clamping piece and a guiding piece. The clamping piece and the guiding piece are arranged on the two sides of the positioning body respectively. The clamping piece is rotationally connected with the positioning main body, and the clamping piece is configured to be capable of acting together with the positioning main body to fix the fibula positioner on the fibula; the guide part is in sliding connection with the positioning main body, the guide part is provided with at least one guide channel, the guide channel is configured to at least allow a kirschner wire to penetrate through, and the guide part is configured to adjust the insertion position of the kirschner wire by adjusting the position of the guide part on the positioning main body.

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.