29 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 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.

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 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.

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.

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 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.

Syndesmotic fixation devices, systems, instruments, and methods thereof. An implant for stabilizing an ankle joint between a tibia and a fibula may include first and second anchors secured to the tibia and a suture configured to wrap around the fibula. The suture may be tensioned to provide a circumferential force around the fibula to stabilize the joint.

The application provides a fibula locking bone fracture assembly, and relates to the field of medical instruments. The fibula locking bone fracture assembly comprises a locking plate, a first looped titanium plate and a second looped titanium plate; the locking plate is provided with a locking groove, and the bottom wall of the locking groove is provided with a connecting hole; the first looped titanium plate and the second looped titanium plate are respectively arranged on the two sides of the locking plate, the first looped titanium plate is arranged in the locking groove, and the second looped titanium plate is arranged in a spaced mode with the locking plate; and the first looped titanium plate is connected with the second looped titanium plate through a suture wire penetrating through the connecting hole. The fibula locking bone fracture assembly provided by the application solves the technical problem that internal fixation is prone to breaking when treating lower tibiofibular syndesmosis injury in the prior art.

The application provides a tibial plateau posterolateral C-shaped locking plate and an internal fixation system. The tibial plateau posterolateral C-shaped locking plate comprises an anatomic plate body, the plate body is in a C shape as a whole, comprises a first horizontal plate and a second horizontal plate, a connecting plate is connected between the first horizontal plate and the second horizontal plate, the first horizontal plate is used for being connected in close contact with the edge of the tibial plateau, the second horizontal plate is used for being fixed on the tibia below the tibial plateau and the medial fibula, and the length of the first horizontal plate is greater than that of the second horizontal plate. The application aims to provide a tibial plateau posterolateral C-shaped locking plate, the second horizontal plate and the first horizontal plate can form an up-down supporting structure, the second horizontal plate of the C-shaped locking plate plays a pressure supporting role on the first horizontal plate, the overall bone plate mechanical property is more stable, and the tibial plateau posterolateral collapse position can be effectively reset.

The utility model relates to the technical field of medical care teaching, and discloses a lower limb joint nursing model which comprises a lower limb model, the lower limb model is composed of a knee model, a first adapter, a tibia model, a second adapter, an inductor, a fibula model, a detection assembly, a retention piece and simulation leather, the knee model comprises a knee component, a connecting groove is formed in the knee component, and the first adapter is connected with the second adapter. And a first adapter is mounted in the connecting groove. A lower limb model is composed of a knee model, a tibia model, a fibula model, a first adapter and a second adapter, sensors are installed on the side portions of the knee model and the second adapter, right-angle connecting pieces are installed at the two ends of the fibula model, the right-angle connecting pieces are installed at the receiving ends of the sensors, and the fibula model is located on the side edge of the tibia model; when binding and binding are simulated, the fibula model is close to the tibia model to trigger the sensor, so that the binding and binding strength and stability are detected, and the strength and stability accuracy during nursing and binding simulation is effectively improved.

The invention relates to the technical field of medical instruments, in particular to a fibula transverse bone carrying external fixing frame device which comprises a fixing nail, a traction structure is arranged on the fixing nail, a fixing structure is arranged on the traction structure, a positioning structure is connected to the end of the traction structure, and an adjusting structure is connected between the positioning structure and the traction structure. A fastening structure is arranged on the traction structure, and a stabilizing structure is arranged on the side face of the traction structure. Different supporting angles can be selected according to different conditions of tibiofibula of a patient through the traction structure, the distance between two fixing nails can be adjusted according to needs through the fixing structure, and steel nails for traction can be conveniently and rapidly fixed and dragged through the positioning structure. The traction distance of the bone slice can be adjusted through the adjusting structure, the installation accuracy of the traction nail is improved, the fibula slice and the traction nail can be conveniently fixed through the fastening structure, the overall stability of the support can be improved through the stabilizing structure, and the discomfort of a patient is reduced.

The invention relates to the field of orthopedic demonstration equipment, in particular to an orthopedic ankle orthopedic training demonstration model which comprises a rack, a bottom plate is fixedly connected to the bottom of the inner side of the rack, a calcaneus model is mounted on one side of the top of the bottom plate, and a talus model is arranged on one side of the top of the calcaneus model. The top of the talus model is connected with the tibia model and the fibula model through a universal ball head, the fibula model is arranged on one side of the tibia model, the top of the tibia model is connected with a connecting seat through a universal ball head, and the connecting seat is fixedly connected to the top of the inner side of the rack; the two sides of the front portion of the calcaneus model are connected with a cuboid model and a scaphoid model through joint motors, the side turning state before ankle orthopedics and the reset state after orthopedics can be accurately simulated, and the traction effect of a human body on the tibia and the fibula can be simulated through a universal ball head; the problem that traditional equipment cannot completely restore the bone body structure posture before and after ankle orthopedic is solved.

An implant includes a first end opposite a shaft from a second end, where the first end, the second end, and the shaft are all integral. The first end includes an opening in an end portion that extends along a longitudinal axis and is in fluid communication with cannulations of the shaft and the second end. The second end includes a dynamic feature that is actuatable between two positions. The implant also includes an actuator extending from the first opening, along the cannulation of the shaft and into the cannulation of the second end. Manipulation of the actuator can bias the dynamic feature from the first position to the second position. A surgical method of preparing a fibula and inserting an implant therein to reduce and secure the fibula is disclosed.

The present application relates to the technical field of medical devices, in particular to an adjustable flexible bone-to-bone fixation device and an implanting mechanism, the adjustable flexible bone-to-bone fixation device comprising a first suture and a flexible fixation assembly, the first suture having a first traction end, a second traction end, a first wire inlet hole and a second wire outlet hole, the flexible fixation assembly comprising a second suture and a titanium alloy button; in use, the fibula and the tibia are adjusted to a suitable position, a drill bit is used to drill through the fibula, a drill bit is used to create a bone channel on the tibia through the fibula bone channel created by the drill bit, the second suture is passed through the fibula bone channel and knocked into the tibia bone channel, the titanium alloy button is arranged on the surface of the lateral cortical bone of the fibula, the first traction end and the second traction end are pulled, and the second suture is contracted into a mass in the bone channel to extrude the bone channel and achieve flexible fixation, so that reliable fixation can be achieved with a smaller amount of bone removal.

The invention provides an osteotomy angle adjusting device used in total knee arthroplasty. The embodiment of the invention provides an osteotomy angle adjusting device used in total knee arthroplasty. The osteotomy angle adjusting device comprises a tibia force line positioning tool; wherein the tibia force line positioning tool comprises a 3D printing personalized tibia osteotomy guider and a coronal plane force line alignment positioning rod; the personalized tibiofibula embracing device is subjected to 3D printing; wherein the tibiofibula embracing device is individually designed and customized according to the shape of an ankle joint of a patient, and scale marks at corresponding positions are arranged on the tibiofibula embracing device based on a first direction and a second direction which are perpendicular to each other and used for adjusting an osteotomy angle; wherein the first direction and the second direction respectively represent two dimensions of backward inclination and inward and outward turning. According to the embodiment of the invention, osteotomy angle adjustment can be carried out in total knee arthroplasty, and inaccurate osteotomy angle and poor prosthesis position caused by inaccurate PSI placement position are avoided.

Syndesmotic fixation devices, systems, instruments, and methods thereof. An implant for stabilizing an ankle joint between a tibia and a fibula may include first and second anchors secured to the tibia and a suture configured to wrap around the fibula. The suture may be tensioned to provide a circumferential force around the fibula to stabilize the joint.