33 results about "Tibial fracture" patented technology

The invention discloses a knee joint approach intramedullary nail, relates to an interlocking intramedullary nail of which the far end and the near end are provided with interlocking screw holes, and is suitable for tibial fracture and supracondylar fracture of femur. The knee joint approach intramedullary nail is provided with a nail shank which is provided with a through hole inside; the nail shank is provided with the far end and the near end; the near end of the nail shank is provided with three multi-plane interlocking holes which are distributed on three planes with different angles respectively and of which a crossing angle b is between 23 and 27 DEG; a tilt angle a between the near end of the nail shank and a central axis of the nail shank is between 9 and 12 DEG; the far end of the nail shank is provided with two groups of interlocking holes of which the crossing angle is 90 DEG; the interlocking holes are provided with oval pressurizing lockholes and circular lockholes; the near end of the nail shank is provided with an apparatus connection positioning rebate and an apparatus connecting screw hole.

The invention discloses an internal fixation therapeutic method of tibial fracture, which comprises the following steps: step one, scanning limb skeletons at a healthy side and a fractural side by a spiral CT (Computed Tomography) respectively; step two, reconstructing and outputting a three-dimensional image of the healthy side limb skeletons and a three-dimensional image of the fractural end skeletons by using MIMICS software; step three, respectively measuring and combining the three-dimensional images of the skeletons at the two sides so as to draw a steel plate drawing required for operation; step four, leading the drawing into PRO/E software of a numerical control centre, and customizing completely individualized internal fixation steel plates, bolt holes and positioning templates after serial technological processes; and step five, implanting the individualized internal fixation steel plates and bolt holes into the fractural skeletons through a minimally invasive surgery by using the positioning templates produced in the step four, thereby finishing the internal fixation operation. The internal fixation therapeutic method has the advantageous effects of capably shortening operative time, capably minimizing periosteal injury around the fractural end, having small operative incision in appearance and enabling fractural patients to heal quickly.

The invention relates to a distal tibial anterolateral anatomical locking bone plate, comprising a head and a strip arranged below the head; the strip is provided with a torsion position; the head is of a fan-shaped concave arc surface which is provided with a triangular window; one side of the front edge of the fan-shaped concave arc surface is provided with a branch which is matched with the distal medial tibial shape; the branch is provided with two medial malleolar screw holes; the other side of the front edge of the fan-shaped concave arc surface is a Chaput nodule fixing block which is matched with the distal tibial outer side; the Chaput nodule fixing block is provided with a Chaput nodule screw hole; the other parts of the front edge of the fan-shaped concave arc surface are middle fixing blocks which are matched with the middle part of the distal tibial front side and the posterior malleolus; and the middle fixing blocks are provided with three screw holes. The locking bone plate effectively covers the distal tibial inner side, the distal tibial outer side, the middle part of the distal tibial front side and the posterior malleolus, has simple operative procedures and provides strong, effective and ideal internal fixing to distal tibial fracture, especially Pilon fracture.

The invention discloses a closed reduction surgical frame for tibial fracture of a patient, and relates to a medical instrument for orthopedic surgery. The surgical frame mainly comprises a movable triangular surgical frame body. The triangular surgical frame body comprises a base frame, a front bracket and a rear bracket. A connection mode of the closed reduction surgical frame includes that front bracket upper adjusting screws on two sides of the front bracket and rear bracket upper adjusting screws on two sides of the rear bracket are correspondingly movably connected with one another by concentric shafts and rotary fixing nuts to form two independent support pillars, so that thigh fixing supports are jointly formed. The base frame is movably connected with the other end of the rear bracket by a base frame fixing rod. A fixing clamp shaft at the other end of the front bracket is movably connected with one of clamp grooves of the base frame. The closed reduction surgical frame has the advantages that a continuous traction effect can be realized during closed reduction for the tibial fracture of the patient, and the stability of reduction and the stability of a fracture end of the patient are maintained; compression on the nerves of the local popliteal blood vessels of the patient due to traction is prevented; flexion and extension angles of the knee joint of the patient can be adjusted at any time as needed during surgery, and the closed reduction surgical frame is simple in structure and easy to operate.

The invention discloses a pedestrian leg protection device of an automobile. The pedestrian leg protection device is arranged at the front end of the automobile and comprises a support beam and two or more buffer fixing assemblies, wherein each buffer fixing assembly comprises a support fixing part, a connecting part and a buffer part; the connecting part comprises a first connecting section, a second connecting section opposite to the first connecting section, and a third connecting section connected between the first connecting section and the second connecting section; the first connecting section is connected to the support beam; the second connecting section is connected to the buffer part; one end, far away from the second connecting section, of the buffer part is fixedly connected to the front end of the automobile; the third connecting section is provided with a rotary shaft; the connecting part is rotatably connected to the support fixing part by taking the rotary shaft as a rotary center; one end, far away from the third connecting section, of the support fixing part is fixedly connected to the front end of the automobile. According to the pedestrian leg protection device, a pedestrian can be prevented from being involved in the bottom of the automobile and the risk of lower limb tibial fracture of the pedestrian can be effectively lowered.

A novel interlocking intramedullary rod assembly which allows the surgeon to (i) secure a first bone fragment of a fractured bone (e.g., a distal bone fragment) to the interlocking intramedullary rod assembly in a fixed position, (ii) secure a second bone fragment of the fractured bone (e.g., a proximal bone fragment) to the interlocking intramedullary rod assembly in an adjustable manner, and (iii) thereafter selectively pivot the second bone fragment (e.g., the proximal bone fragment) relative to the first bone fragment (e.g., the distal bone fragment) so as to secure the two bone fragments in position relative to one another with the desired orientation.

The present invention provides a type of tibial near -end lock board, including main components and connecting components. The main components are used to fix the outer side of the proximal tibia;Forces, the head of the head wraps on the tibia near -end platform is fixed and fixed. The pole parts fit the outer sides of the tibial and orthopedic and fix it.Piece parts of the side column.The present invention realizes the fixation of the outer tibial side through the main component, and the design of the component of the parts to enhance the fixation of the rear column of the back column of the near -end platform of the tibia, so that the outer outer lock plate of the tibia can be used for the proximal fracture of the tibia, dry and dry.In the surgery of end fractures, joint fractures, and peripheral fractures of prosthesis; in addition, the head of the main component is wrapped in the outer side column of the near -end platform of the tibia, which is fixed and reliable than the existing curved surface bone plate.

The invention relates to a postoperative fixation device used for tibial fracture. The postoperative fixation device comprises a fixation board. Multiple toothed wheels are distributed along the length direction of the fixation board and provided with threaded rods which coaxially slide with the toothed wheels. The threaded rods are in threaded connection with the fixation board. Multiple vertical sliding grooves, corresponding to the toothed wheels one by one, are arranged in the fixation board. The vertical sliding grooves are internally provided with sliding blocks and springs disposed above the sliding blocks. The lower ends of the sliding blocks are hinged onto pressing semi-rings through ball bodies. The sliding blocks are equipped with press rods. The lower parts of the press rods are in threaded connection with the sliding blocks. The sliding blocks are provided with rotating disks capable of horizontally rotating. The rotating disks and the press rods are coaxially arranged. The rotating disks are vertically and slidably connected to upper parts of the press rods. The sliding blocks are equipped with torsion springs disposed above the rotating disks. Two ends of each torsion spring are connected to a sliding block and a rotating disk. Push rods, disposed above the rotating disks and capable of sliding, are arranged on the sliding blocks. The front ends of the push rods contact the threaded rods. The push rods are provided with guide rods. The rotating disks are equipped with spiral through grooves, in which guide rods are arranged. A toothed rack capable of sliding is arranged on the fixation board and can be meshed with the toothed wheels.

The invention discloses a preoperative, intraoperative and postoperative adjuvant therapy structure and device for tibia fracture. The height and inclination angle of a support plate are adjusted according to the length of lower limbs of a patient before operation or the operation requirement during operation, that is, the inclination angle between a connecting plate and a bottom plate and the inclination angle between the connecting plate and the support plate are adjusted to adjust the height and inclination angle of the support plate so as to adjust the flexion and extension angles of kneejoints. The structure is simple, operation is easy, baffles are arranged on two sides of the support plate to prevent legs of the patient from swing bilaterally, tibia fracture maintaining and reduction by a doctor can be facilitated, reduction loss due to insufficient manual traction maintaining force or traction loss is reduced, and the plate can have a support effect and reduce waste of human resources of the doctor. The plate is found to be applied to lifting affected limbs for detumescence and traction before the operation on lower limbs of the patient as well as movement rehabilitation of lower limb muscle after the operation in clinical application, has multiple functions and can enhance the user experience.

The invention discloses a multi-directional traction frame for closed reduction of tibial fracture. The multi-directional traction frame comprises a bottom plate having a bearing effect, wherein the bottom plate is fixed to an outside device through four-corner mounting holes; sliding chutes are formed in two ends in the bottom plate, and a sliding block is in sliding connection to the inner partof each sliding chute; a first supporting plate and a second supporting plate are rotatably connected to the upper sides of the two sliding blocks, and the upper side of the first supporting plate andthe upper side of the second supporting plate are rotatably connected through a hinge; a plurality of clamping chutes are formed in a fixed rod; a movable block is in movable and clamped connection to the inner part of each clamping chute; and a first connecting rod, a second connecting rod and a holding plate are sequentially and rotatably connected to each movable block, a rotating button is rotatably connected to the inner part of each holding plate, and a clamping rod is in meshed connection to the center of each rotating button. According to the multi-directional traction frame disclosedby the invention, through discretionary rotation of the first connecting rod and the second connecting rod, and through rotating second screw rods, the multi-directional traction frame can be fixed at discretionary position, and besides, the angle of the holding plates can be in universal regulation, so that the clamping rods can be moved leftwards, rightwards, forwards and backwards, and furthereffective traction for multiple fracture sites can be achieved.

The invention discloses a tibial fracture plate, which has a front side attached to a bone and a back side opposite to the front side, and comprises: a bone fracture plate body, wherein a plurality ofscrew holes are formed in the bone fracture plate body; surface texturing units, wherein a surface texturing unit is formed around each screw hole at the front and/or back, the surface texturing units are concaves and arranged in an array in the circumferential direction of the screw hole based on radial direction of the screw hole; a drug layer which has at least a part arranged in the concaves.According to the invention, the tibial fracture plate can effectively improve the stress distribution on the fracture plate, and the fracture plate is not easy to fail relatively.

The invention discloses a tibial fracture adjustable-weight functional brace, comprising a receiving chamber, a height adjusting module, a spring bearing module and a footplate module. The receiving chamber is attached to the upper portion of a shank. The receiving chamber is fixedly connected with the height adjusting module through a receiving chamber connector. The height adjusting module and the spring bearing module are coaxial. The lower portion of the height adjusting module is fixedly connected with a spring upper end plate. The spring bearing module is fixedly connected with the footplate module through the spring lower end plate and a bottom plate holder. The footplate module comprises a bearing balloon used for supporting a human foot. The brace is worn on a diseased limb through an elastic bandage. The brace can replace the fractured limb to share body weight during a tibial fracture rehabilitation phase, the shared weight is adjustable during the rehabilitation phase, fracture end faces are therefore stimulated, and actual facture healing is accelerated. The brace allows the patient to freely walk and do functional training without a crutch or a wheelchair.

The invention discloses a tibia whole-segment anatomical locking plate type external fixing frame which is an integral steel plate. The outer fixing frame is similar to the inner side of the tibia far end and the inner side of the tibia plateau in anatomical form, the middle section of the plate-type structure is consistent with the front inner side of the tibia shaft in shape, and multi-angle adjustable locking nail holes are formed in the two ends. The device accords with medical AO and BO theories, can be used by domestic adults with the height of 160-175cm, can comprehensively consider various types of fractures of tibia, can replace internal fixation, avoids secondary operation of taking out internal fixation, and prevents complications of internal fixation of tibia fractures. And the problem troubled by people who are not suitable for internal fixation of patients can also be solved. Meanwhile, the defects that a traditional single-arm outer frame is tedious, heavy, poor in stability and incapable of effectively fixing fractures at the far end and the near end of the tibia are overcome, time and labor are saved during operation, social benefits are economical and practical, pain of a patient lying for a long time after an operation is reduced, and the rehabilitation time of the patient is shortened.

The invention relates to the technical field of medical teaching aids, in particular to a standard patient for examination on spinal and limb fracture emergency fixation and carrying training. The standard patient comprises a high imitation body model and an electronic monitoring/warning device, and is characterized in that the high imitation body model has imitation humeral fracture, ulnar fracture, radial fracture, tibial fracture and fibular fracture under external fixation with small splints, and also has imitation cervical compression fracture near which an angle displacement switch is provided, the neck is under external fixation with a neck collar, and an angle displacement switch is arranged at imitation lumbar vertebral fracture; an electronic monitoring/warning device control panel is arranged on the chest of the high imitation body model; the electronic monitoring/warning device is built in the chest and includes a lithium battery warning speech module, a vibration sensor switch and a speaker; speech and red light warnings are automatically given upon carrying errors. The standard patient for examination on spinal and limb fracture emergency fixation and carrying training is suitable for the training and examination on medical students' and in-service medical personnel's spinal and limb fracture fixation and carrying emergency skills in medical colleges and teachinghospitals.

The invention discloses a traction reduction device for osteosynthesis for tibia fracture. A supporting frame is of a triangle body structure and is used for supporting lower limbs of a patient so asto enable the patient to be in a leg-curving state, and a tibia towing mechanism for towing a Kuntscher pin penetrating through a far end of an anklebone or tibia of the patient is arranged on a lowerleg supporting surface. The traction reduction device can be used for accurately and rapidly adjusting and reducing broken bones.

The invention discloses a tibial fracture closed reduction operation frame. The tibial fracture closed reduction operation frame comprises a base, wherein a thigh support frame is arranged on the upper surface of the base, the bottom end of the thigh support frame is rotationally connected with the upper surface of the base through hinge shafts, the top end of the thigh support frame is rotationally connected with a calf support frame through hinge shafts, a connecting sleeve is fixed to the lower surface of the calf support frame, a movable rod and an adjusting gear are arranged on the innerside of the connecting sleeve, the lower end of the movable rod is meshed with the adjusting gear, the lower surface of the adjusting gear is connected with a first adjusting knob, a sleeve is arranged at the bottom end of the movable rod, a movable cylinder is arranged on the inner side of the sleeve, and a piston rod is arranged on the inner side of the movable cylinder. The tibial fracture closed reduction operation frame has a low-vibration adjusting structure, can adjust the support angle conveniently during a reduction operation, can position ankles, and facilitates adjustment of the positioning angle to cooperate with medical staff to set tibiae of a patient.

The invention discloses a magnesium alloy tibial fracture bone plate. The magnesium alloy tibial fracture bone plate comprises a bone plate body, which is a strip plate adapted to the length directionof the tibial body and provided with a screw hole, and the bone plate body is a curved surface adapted to the physiological structure of the tibial body in the circumferential direction of the tibialbody; the magnesium alloy tibial fracture bone plate body is a curved surface adapted to the physiological structure of the tibial body. Side wings connected to both sides of the bone plate body andhaving odd pairs, symmetrically arranged between the two side wings of each pair with respect to the length and middle section of the bone plate body; A surface of that bone plate body and the flank is for with a coating containing antibacterial agent; The median of the odd pairs of flanks fits at the fracture site. The magnesium alloy tibial fracture bonding plate according to the invention has good bonding ability with the tibia and less damage to the tibia body.

The invention discloses a lower limb interlocking intramedullary nail fixation bracket, which relates to a device convenient for surgical and orthopaedic surgeries. At present, when tibial fracture intramedullary fixation or distal femoral fracture inverted intramedullary fixation surgery is performed, the position of a limb is easy to displace or is compressed so as to affect the surgical operation. The lower limb interlocking intramedullary nail fixing bracket which consists of two same sliding chute locking components (1), a central connecting component (2) and a central fixing belt (3) is placed under the limb which is subjected to human tibial fracture intramedullary nail fixation or distal femoral fracture inverted intramedullary fixation surgery, and the angle and the length of the sliding chute locking rods on the two sides are adjusted, so that the knee joints of human bodies of different heights are maintained at the positions which are bent at an angle of 90 degrees, and further, an intramedullary nail can enter a correct position of a tibia or a femoral medullary cavity at a correct entry point. According to the lower limb interlocking intramedullary nail fixation bracket, individualized treatment can be realized, requirements of different operation patients are met, and meanwhile, the manpower and material resources can be saved to guarantee safe surgery; and the device has the advantages of simple structure, convenience in use, low operation cost and easiness in cleaning and disinfection.

The invention discloses a traction-compression two-way device for promoting tibia fracture postoperative healing. The traction-compression two-way device comprises a fixing boot, a U-shaped frame and a driving mechanism. The fixing boot is worn on the foot of a patient, and an air bag layer capable of being inflated and expanded is arranged in the fixing boot. The U-shaped frame comprises two first arms and a second arm connecting the two first arms, the free ends of the two first arms are fixed to the fixing boot, and the second arm is located at the far end of the fixing boot. And the driving mechanism acts on the second arm of the U-shaped frame and is used for driving the second arm to compress the fixing boot towards the near end or pull the fixing boot towards the far end. The device applies compression or traction to the far end of the tibia of a patient, bidirectional stress stimulation is achieved, inching between fractures is induced, and the fracture healing speed and quality are improved.