71results about How to "Good orthopedic effect" patented technology

The invention provides an intelligent scoliosis orthopedic system and a control method. The system comprises a scoliosis orthosis and a remote intelligent analysis platform. The scoliosis orthosis comprises an orthosis body, multiple gasket type multi-cell microcavity inflation structures, multiple multi-cell microcavity inflation structure pressure detection devices, a sole pressure detection device, a central control device and a pressure adjusting device. The orthosis body is customized according to the scoliosis condition of scoliosis children / teenagers. The gasket type multi-cell microcavity inflation structures are placed on the inner side of the orthosis body and distributed at corresponding parts of the chest, waist and pelvis of the human body. The central control device outputs control signals according to data detected by the multi-cell microcavity inflation structure pressure detection devices and the sole pressure detection device, the pressure adjusting device adjusts theorthopedic pressure applied by the gasket type multi-cell microcavity inflation structures, and the purpose of scoliosis orthosis is realized.

The invention discloses an ankle and foot orthopedic device and a method for controlling the same, and belongs to the technical field of medical apparatus and instruments. The ankle and foot orthopedic device and the method have the advantages that pressure sensors, an EMG (electromyography) sensor and a multi-dimensional gyroscope acceleration sensor are combined with one another and are appliedto controlling an ankle and foot orthopedic apparatus, accordingly, plantar pressure distribution data, muscle surface bioelectricity, gesture data and acceleration a wearer is in different movement modes can be effectively acquired, and reliable parameters can be provided to accurate control; the ankle and foot orthopedic device can assist in training rehabilitation and correction on ankle jointcontrol disabilities who are achilles tendon rupture postoperative recovery, talipes equinus, stroke, ankle joint injury and hemiplegia patients and the like, can adapt to characteristics of actions such as slow walking, fast walking, receding, stair ascending, stair descending, turning and the like of the ankle joint control disabilities, and has gait correcting and walking assisting functions.

The invention discloses a flexible orthopedic shoe pad and a preparation method thereof. The method comprises the following steps: establishing a shoe pad model having foot bottom morphology accordingto foot data; by acquiring foot evaluation index data, foot bottom pressure distribution data and foot appearance scanning data, by using a corresponding optimization relation between key shoe-pad appearance parameters and the foot evaluation indexes and a corresponding relation between material performance distribution of the shoe pad and foot bottom pressure distribution, adjusting the outer contour model of the orthopedic shoe pad and the mechanical property of the material; and preparing the flexible orthopedic shoe pad by adopting a 3D printing process. The shoe pad is filled by virtue of a porous structure with adjustable mechanical property of the material, and finally the personalized porous shoe pad model is printed, so that the shoe pad can bring the optimal comfort level to a wearer and is convenient and rapid.

The invention discloses a bone malformation correction or fracture reduction and fixation device and a method for processing the same. The bone malformation correction or fracture reduction and fixation device comprises external fixation brackets or one and more external fixation plates, wherein the external fixation brackets or the external fixation plates are used for fixing fixation needles inserted into the bone tissues; at least one end of each fixation needle is exposed outside the skin, and the exposed end of the fixation needle needs to be fixed; the external fixation brackets consist of a first fixation bracket and a second fixation bracket; the external fixation plates are used for fixing all the fixation needles inserted into the bone tissues needing to be fixed. The method for processing the bone malformation correction or fracture reduction and fixation device comprises the following steps of: (1) collecting the information of an image before reducing the bone; (2) reducing the bone virtually by using a computer; (3) designing the structure of the bone malformation correction or fracture reduction and fixation device; and (4) processing the bone malformation correction or fracture reduction and fixation device. The bone malformation correction or fracture reduction and fixation device provided by the invention has a function of automatically reducing the bone, is reasonable in structure, has a good bone fixing effect and can be used for effectively overcoming the defects of difficult bone malformation correction or fracture reduction, complex operation on malformed or fractured bone and excessive dependence on the clinical experience of a doctor of the existing bone malformation correction or fracture reduction and fixation mode.

The invention discloses a device and a method for correcting the roundness of a hanging basket barrel body. The device comprises a correction fixture and a supporting circular ring fixture, wherein the correction fixture comprises a hydraulic jack, a plurality of square supporting heads and a circular top arranged on the top of the hydraulic jack, wherein the supporting circular ring fixture comprises a plurality of layered supporting circular rings and connecting rods arranged among the supporting circular rings. The method comprises the following steps of: arranging a rough correction station, performing rough correction, and measuring the cylindricity of the barrel body by using a vertical trolley; arranging a fine correction station and performing fine correction; arranging the supporting circular ring fixture; and finally performing size stabilization thermal treatment. The device is extremely high in operability, convenient to execute and good in correction effect; a product can completely meet a design requirement; the correction working period is short; and a progress requirement can be met.

The invention relates to a multifunctional health care pillow for infants. The multifunctional health care pillow for the infants comprises a pillowcase and a pillow interior. The pillow interior comprises a heat-preserving layer and a filling bag, and the filling bag is filled with Chinese herbal medicine filler composed of, by weight, 1-8% of bamboo charcoal, 1-8% of arabian jasmine flowers, 50-70% of negundo chastetree fruits and 20-40% of cassia seeds. According to a preparation method of the multifunctional health care pillow for the infants, the bamboo charcoal is smashed and wrapped by cotton cloth to form a charcoal bag, the cassia seeds, the arabian jasmine flowers and the negundo chastetree fruits are screened, cleaned, dried and disinfected and then mixed with the charcoal bag uniformly according to the proportion of the filler, then the mixture is placed into the filling bag, the bag opening is sewn, the filling bag is placed in the depression of the heat-preserving layer and then placed into the pillowcase together with the heat-preserving layer, and finally the multifunctional health care pillow for the infants is obtained after sealing the pillowcase. The multifunctional health care pillow for the infants has the better health care effect through the double effects of the Chinese herbal medicine filler with reasonable compatibility and the ramie pillowcase, has the good shape protection and correction function and can be adjusted in height and used in cold or hot environment.

The invention relates to an antibacterial orthodontic thread and a manufacturing method thereof. Granulated silver is distributed in a traditional Ti-Ni alloy orthodontic thread through a smelting method, a powder mixing and sintering method or a self-propagating high-temperature synthesis, and then the orthodontic thread has an antibacterial effect, so that the problem that a patient needs to use antibacterial mouth wash for a long time during the orthodontic process can be avoided.

The invention discloses an orthopedic device for correcting noses. The device comprises a support, a sleeve ring, an inner shaft, splints, control buttons, rubber columns, connecting plates, a telescopic rod, nasal plugs, air inlets, threaded tubes, threaded joints, support rods, air outlets, joint balls, vibration pumps, power blocks and a spring. The invention has the beneficial effects that theinside of the nasal plug is hollow, and the support rod and the nasal plug at the bottom are connected with the threaded joint through the threaded tube so that when the nasal plugs are inserted intothe nostrils, the hot air exhaled by the nostrils can flow out along the inside of the support rods, preventing the nasal plugs from blocking the nostrils and affecting the breathing of the user, making the user uncomfortable when using the device. Moreover, the support rods and the nasal plugs are convenient to disassemble, facilitating to clean the nasal plugs; the sanitation of the device is ensured; the vibration pump is arranged inside the splint, and the vibration pump is connected to the rubber columns through the joint balls, so that the rubber columns can massage the nose.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention belongs to the technical field of medical apparatuses, and relates to an adjustable type thoracic vertebra and lumbar vertebra traction and shape straightening fixer. The adjustable typethoracic vertebra and lumbar vertebra traction and shape straightening fixer comprises a left side fixing part and a right side fixing part, wherein the left side fixing part comprises a left side thoracic vertebra fixing plate and a left side lumbar vertebra fixing plate which are arranged from top to bottom and are connected through an adjustable traction rod; the right side fixing part comprises a right side thoracic vertebra fixing plate and a right side lumbar vertebra fixing plate which are arranged from top to bottom and are connected through an adjustable traction rod; the left side thoracic vertebra fixing plate, the right side thoracic vertebra fixing plate, the left side lumbar vertebra fixing plate and the right side lumbar vertebra fixing plate adopt a U-shaped plate structure; the bending degrees of the left side thoracic vertebra fixing plate, the right side thoracic vertebra fixing plate, the left side lumbar vertebra fixing plate and the right side lumbar vertebra fixing plate are adapted to the curve of a human body; and an opening of the left side thoracic vertebra fixing plate, an opening of the right side thoracic vertebra fixing plate, an opening of the leftside lumbar vertebra fixing plate and an opening of the right side lumbar vertebra fixing plate can be connected through adjustable fixing straps. Through the adoption of the adjustable type thoracicvertebra and lumbar vertebra traction and shape straightening fixer disclosed by the invention, favorable traction effects, favorable fixation effects and favorable shape straightening effects can beachieved on a patient suffering from diseases about thoracic vertebra and lumbar vertebra, and the generation of fracture or postoperative sequela and postoperative complications of the patient is prevented; and the adjustable type thoracic vertebra and lumbar vertebra traction and shape straightening fixer has the effect of straightening deformity including scoliosis and the like, and can assistthe patient to pull through in an early stage.

The present invention relates to a pressure regulation type children pigeon breast appliance. The pressure regulation type children pigeon breast appliance is provided with a chest orthopedic stand, a fixing strap, a pressure fixing plate, a pressure monitoring gauge, fixing tying belts, tying belt fixing buttons and fixing shoulder straps, wherein two ends of the fixing strap are connected with the fixing tying belts, two ends of the chest orthopedic stand are connected with the tying belt fixing buttons, the tying belt fixing buttons coordinate with the fixing tying belts, the fixing shoulder straps are connected between the chest orthopedic stand and the fixing strap, inner sides of both the chest orthopedic stand and the fixing strap are provided with liners, the pressure monitoring gauge is disposed at an outer side face of the chest orthopedic stand, the pressure fixing plate is disposed at the inner side face of the chest orthopedic stand, and a thin film pressure sensor is disposed on the inner surface of the pressure fixing plate. The pressure regulation type children pigeon breast appliance has the advantages that the orthopedic pressure can be displayed and is adjustable, chest wall stressed situations can be monitored, the chest wall pressure degree can be conveniently adjusted, and tissue injuries caused by excessive pressure are prevented.

The invention discloses a nighttime human scoliosis orthopedic support and a design method thereof. The orthopedic support comprises a first piece and a second piece; the first piece comprises a lowerfemoral great trochanter positioning portion and an upper top thoracic vertebra positioning portion; the second piece comprises an upper underarm positioning portion and a lower top lumbar vertebra positioning portion; the top thoracic vertebra positioning portion and the top lumbar vertebra positioning portion are recessed inwardly; a lower side area of the underarm positioning portion and an upper side area of the femoral great trochanter positioning portion form projections outwardly; the top thoracic vertebra positioning portion is lower than the underarm positioning portion, the femoralgreat trochanter positioning portion is lower than the top lumbar vertebra positioning portion, and the first piece and the second piece are in an asymmetrical structure. The orthopedic support has the advantage of remarkable improvement of comfort of users and orthopedic effects.

The invention relates to a quick molding-shaping shoe pad suitable for various types of shoes and for user feet. The shaping shoe pad comprises a surface layer, an upper buffering layer, a molding rigid supporting plate, a semi-rigid molding supporting sheet, a lower buffering layer and a wear-resistant base layer from top to bottom. The surface layer has a contact with the feet and can protect skin; the buffering layers can reduce impact of the ground to the body; the molded supporting plate (sheet) can correct foot deformation and adjust foot pressure distribution; a shoe pad semi-product containing the molded rigid supporting plate is softened via heating, can be molded, quickly sized and cooled to form the shaping shoe pad.

The invention relates to a function rectifier, especially a function rectifier of planting type, comprising a planting retainer and elastic broken-back connecting arm, the two ends of which are connected with planting retainer. The invention is to design a function rectifier of planting type which can directly acts on jaw. Compared with current technology, the invention is characterized by convenient operation, proceeding with fixed orthodontic appliance simultaneously, which shortens rectifying time, and good rectifying effect, etc.

The invention discloses an orthosis device for scoliosis and a manufacturing method thereof. The orthosis device comprises an orthosis device body, orthosis structures, a first orthosis force application area, a second orthosis force application area and a third orthosis force application area. The orthosis body is of a cylindrical structure which is provided with a longitudinal opening in one side and attached to the spine section of a human body; openings are formed in the two sides of the orthosis device body; the orthosis structures are arranged in the openings in the two sides; the firstorthosis force application area is arranged on one side of the orthosis device body and located in the middle of the side face where the first orthosis force application area is located; and the second orthosis force application area and the third orthosis force application area are arranged on the other side of the orthosis device body and located at the upper end and the lower end of the side face where the second orthosis force application area and the third orthosis force application area are located respectively to form a three-point type orthosis force system. According to the customizedorthosis device and the design method. The orthosis device can adapt to body surface morphology features and variable stiffness features, and while accurate orthosis can be conducted on an orthosis part of a patient, the frequency of dependence on the orthosis device can be reduced.

The invention discloses an intelligent pelvis correction strap which comprises a correction strap body and a control box. The correction strap body is internally provided with multiple air bags which are controlled by the control box arranged outside the correction strap body, and the two ends of the correction strap body are connected through a hook-and-loop fastener. The intelligent pelvis correction strap controls the binding force of a pelvis strap to be increased or decreased through inflation and exhausting of one or more air bags arranged inside the intelligent pelvis correction strap. The pressure is controlled in the mode of using a sensor, a single chip microcomputer and Bluetooth wireless communication, and Bluetooth wireless communication can be communicated with intelligent terminals such as a mobile phone. The intelligent pelvis correction strap is suitable for lying-in women of various figures; by means of intelligent control, the symptoms such as lower abdomen protrusion, lower body obesity, bowlegs, dysmenorrhea, leakage of urine, constipation and haemorrhoids are avoided, and a very good correction effect is achieved for postnatal health and shape recovery of the lying-in women.

The invention provides a shape righting device used for an arc-shaped forge piece. The shape righting device comprises a base (1), carrier rollers (2), lower bases (3), first sliding blocks (4), second sliding blocks (6), upper bases (7) and a beam (8). The circle centers of the multiple carrier rollers (2) are located on a preset circle arc protruding upwards, and the multiple carrier rollers (2) on the base (1) are arranged in a transverse section; the first sliding blocks (4) are in sliding connection with the lower bases (3) located at the two ends of the base (1); the upper bases (7) are fixedly installed at the two ends of the beam (8) above the base (1), the second sliding blocks (6) are in sliding connection with the upper bases (7), and the binding faces of the second sliding blocks (6) and the first sliding blocks (4) are used for clamping the ends of the arc-shaped forge piece (5); when the beam (8) moves downwards, the second sliding blocks (6) are attached to the first sliding blocks (4) and move in the direction away from the base (1). By adopting the shape righting device used for the arc-shaped forge piece, people can better control to eliminate the deformation and stress of the arc-shaped forge piece, so that a good shape righting effect is achieved.

The invention relates to an orthopedic device stimulating lower mandibular advancement and inhibiting upper mandibular growth, comprising an upper mandibular portion and a lower mandibular portion. The upper mandibular portion has left and right plastic occlusal pads, a screw opener, and left and right jaw rods with one located behind the other. The screw opener is located at the midline of the upper mandibular jaw of a patient. The left and right plastic jaw rods have one end fixed to the screw opener and the other end integrated to the left and right plastic occlusal pads. The lower mandibular portion has left and right plastic occlusal pads connected via a lower mandibular lingual plastic base, a snap ring, and spherical adjacent hooks, the left and right occlusal pads of the lower mandibular portion cover occlusal surfaces of lower mandibular left and right first premolar teeth or first deciduous molars and are in a slant crossing relation 70 degrees upwardly and towards mesiocclusion with the left and right occlusal pads of the upper mandibular portion at the distal of the first premolar teeth or first deciduous molars. The orthopedic device has the advantages that the device is fixedly bonded to upper dentition through the upper mandibular portion, the lower mandibular portion is mechanically secured to lower dentition through the snap ring, adjacent hooks and the lengthened base, and this structural configuration has ideal orthopedic effect.

The invention provides a head orthotic device, and relates to the technical field of a medical orthotic device. The head orthotic device is designed by solving the technical problems that in the orthotic or prevention process of the monstrous head of an infant, the head of the infant can freely move, and the orthotic effect is not ideal. The head orthotic device comprises a base, wherein the lower surface of the base is a circular arc support surface in contact with the placement surface; the upper surface of the base is an inner pillowing surface used for containing and supporting the head of the infant; the inner pillowing surface comprises a head support surface which is at least partially anastomotic with the head of the normal infant; the head of the infant is placed in the inner pillowing surface; the base and the head of the infant are used as a whole for adapting to a tumbler stable structure. The head orthotic device is used for orthotic treatment or prevention on the monstrous head of the infant.

The invention relates to a plaster orthopaedic bed for spinal scoliosis and a using method thereof. The plaster orthopaedic bed comprises a front side framework, a rear side framework, a bottom transverse tube, a top transverse tube, a supporting mechanism, a traction mechanism and a light reflecting mirror group, wherein the height position of the supporting mechanism can be regulated and locked; the traction mechanism comprises a head-neck traction mechanism, a hip traction mechanism, and a foot-shank traction mechanism; the head-neck traction mechanism is arranged on the front side framework; the hip traction mechanism and the foot-shank traction mechanism are arranged on the rear side framework; the light reflecting mirror group is arranged on the middle lower part of the front side framework; and an angle between a light reflecting mirror and the vertical plane can be regulated and locked. The plaster orthopaedic bed for spinal scoliosis is more reasonable in orthopaedic principle, is better in effect, avoids influences on growth and development of child patients, and is low in cost; and the plaster orthopaedic bed can be integrally folded, is convenient to transport, storage, mount and unfold, is free in extension and retraction, and is convenient to popularize and apply.

The invention discloses a lower limb intorsion orthosis device which consists of a protective tool assembly and a binding belt assembly. The protective tool assembly comprises a pelvis portion and foot supporters, wherein protective tool binding belts are arranged at an opening of the pelvis portion and an opening of the foot supporters. Binding belts are fixedly installed on the outer sides of the foot supporters, and the upper ends of the binding belts are connected with rubber buckles and locking buckles installed on the outer side of the lower end of the pelvis portion. The binding belts are spirally wounded in the rubber buckles from the outer side of the pelvis portion to the upper portions of heels to be locked. A use method of the lower limb intorsion orthosis device comprises thefollowing steps that the pelvis portion is worn; the foot supporters are worn; the binding belts are spirally wound; a lower limb intorsion orthosis range is adjusted. The binding belts having the peculiar flexibility of spiral winding are utilized as joints, the lower limbs can be fixed to extorsion positions, orthosis is conducted on lower limb intorsion caused by tibia intorsion or excess frontinclination angles of thighbones, the abnormal phenomenon of in-toeing gait is avoided, and meanwhile the flexibility of the joints is also not affected. Therefore, the lower limb intorsion orthosisdevice can be used in the daytime and at night, the orthosis time is greatly shortened, an orthosis effect is improved, and the lower limb intorsion orthosis device is safe and comfortable.

The invention provides a method for measuring scoliosis orthopedic force. The method specifically comprises the following steps of performing CT scanning on a wearer to obtain scoliosis data, and establishing a three-dimensional model; performing orthopedic force application area division on the three-dimensional model to determine an orthopedic device model; printing an orthopedic device main body according to the orthopedic device model; and mounting a pressure sensor on the orthopedic device main body to perform stress detection on the orthopedic device main body. The invention further provides an orthopedic device for measuring scoliosis orthopedic force. Through the blocky structure design, rigidity adjustment of the orthopedic device is achieved; the orthopedic device is manufacturedthrough a 3D printing technology, so that personalized characteristics can be embodied in a larger range, and the orthopedic cure rate and the treatment experience of a patient are improved; and themedical treatment efficiency is improved, so that the device is suitable for popularization and application.

The invention provides a manufacturing method of a convex pad structure for walking instability, which comprises the following steps of: (1) data acquisition: measuring plantar static pressure data and plantar dynamic pressure data by using a plantar pressure plate, and the plantar dynamic pressure data comprises dynamic pressure distribution, a gait line and a gait period; (2) data analysis: analyzing plantar static pressure data and plantar dynamic pressure data; (3) preparing an insole body: based on the plantar static pressure data, performing insole modeling by utilizing a correction module database in Easy CAD software, and importing plantar dynamic pressure data to prepare the insole body; (4) partitioning the insole body; and (5) preparing a convex pad structure: determining the shape of the convex pad structure by utilizing a dynamic pressure distribution test result, determining the specific position of the convex pad structure on the insole body by utilizing a gait line anda gait period test result, and preparing the convex pad structure on the upper surface of the insole body by utilizing a 3D printing technology. The invention further provides the orthopedic insole.

A titanium sheet vacuum hotpressing shape righting technology includes a placing procedure and a vacuum hotpressing righting procedure for titanium sheets, wherein the placing procedure includes the following steps: placing a material tray on a material tray support inside a hotpressing shape righting furnace, placing a bottom plate on the material tray, fully distributing liner plates on the bottom plate and reserving intervals among the liner plates; step II, stacking the titanium sheets stack by stack vertically on the liner plates, a baffle is arranged between every upper stack of titaniumsheets and lower stack of titanium sheets, and liner plates are placed between every baffle and the titanium sheets above and between every baffle and the titanium sheets below according to the manner of step I, so as to obtain the titanium sheet stack; step III, placing liner plates at the top of the titanium sheet stack according to step I, placing pressure plates on the liner plates, placing pressure blocks on the pressure plates, and reserving intervals among the pressure plates; step IV, placing cleaned and fully dried titanium scraps surrounding the titanium sheet stack, fixing by a metal net and completing the placing procedure. According to the invention, high flatness and surface quality, low cost vacuum hotpressing shape righting of the titanium sheets can be realized, besides,surface oxidation and pollution can be avoided.

The invention relates to an orthopedic device in vitro for human adolescent scoliosis, and particularly relates to an adjustable combined scoliosis support. The adjustable combined scoliosis support is composed of a shoulder ring, a pelvic ring, an elastic plate and a support plate, the vertically arranged elastic plate detachably connects the rear part of the shoulder ring with the rear part of the pelvic ring, the vertically arranged support plate detachably connects the front part of the shoulder ring with the front part of the pelvic ring, the elastic plate can ensure continuous pressure on a top vertebra area, dynamic and continuous pressure orthopedics is achieved, and the orthopedic effect is improved; and shapes and sizes of the shoulder ring, the pelvic ring, the support plate andthe elastic plate are all obtained from data scanned by CT of a patient, 3D printed and formed for one time according to body data of the patient. The adjustable combined scoliosis support only touches key parts of a body, a covering area of a trunk is greatly reduced, the permeability is improved, the size and the area of the support are reduced, the support is easily covered by clothes on the outside, is comfortable, attractive and efficient, is easy to be accepted and cooperatively used by a child patient, and easy to assemble and wear, and the ability to correct scoliosis is improved.

The invention discloses a novel large-diameter aluminum alloy pipe reshaping device which comprises a counterweight base, a hydraulic oil pump, a two-way hydraulic oil cylinder, an upper correcting pressure head and a lower correcting pressure head, wherein a hydraulic oil tank is arranged inside the counterweight base; a bottom moving roller is arranged below the counterweight base; the hydraulic oil pump is arranged above the counterweight base; a stand column is arranged above the counterweight base; one side of the stand column is equipped with a distance measuring display screen; an upper oil tube is arranged above the hydraulic oil pump; a beam is arranged at one side of the stand column; and an oil inlet tube is arranged inside the beam. The novel large-diameter aluminum alloy pipe reshaping device has the beneficial effects that: deformation amount in a reshaping process can be effectively controlled and reshaping effect is improved through the two-way hydraulic oil tank, the upper correcting pressure head and the lower correcting pressure head; and a tube moving wheel is arranged for conveniently moving a tube to be reshaped, so that the operation process is simplified, use is convenient, and economic benefits of producing the large-diameter aluminum alloy pipe are improved.

The invention discloses a carburized thin-walled ring gear combined press quenching tool. The carburized thin-walled ring gear combined press quenching tool comprises a bottom mold; a core mold is arranged at the upper end of the bottom mold; the core mold comprises a mandrel and a sliding block; when the mandrel moves in the axial direction of the mandrel, the sliding block moves in the radial direction of the mandrel; one end of the sliding block is provided with sliding block teeth, and the other end of the sliding block is connected with the mandrel; the bottom mold is provided with a plurality of holding blocks; an inner pressing ring and an outer pressing ring which are coaxial with the core mold are arranged on the upper portion of the bottom mold; the inner pressing ring is used for pressing the end face of a to-be-quenched ring gear; the outer pressing ring is matched with the holding blocks; when the outer pressing ring moves in the axial direction of the core mold, the holding blocks move in the radial direction of the core mold for pressing an outer circle of the to-be-quenched ring gear; the end face of the outer pressing ring is provided with a push rod for pressing the core mold; and when the inner pressing ring and the outer pressing ring are pressed against the bottom mold, the sliding block and the holding blocks move in the axis direction of the mandrel. Thecarburized thin-walled ring gear combined press quenching tool is provided, and the press quenching tool has an excellent shape righting effect on the carburized thin-walled ring gear.

The invention relates to a scoliosis orthopedic split positioner. The scoliosis orthopedic split positioner comprises a left positioning module and a right positioning module and is characterized in that the left positioning module comprises left spinous process fitting blocks and left vertebral plate fitting blocks, a female buckle is arranged on each left spinous process fitting block, and the left side of each left vertebral plate fitting block is provided with a pedicle screw positioning hole of a semi-cylindrical structure; the right positioning module comprises right spinous process fitting blocks and right vertebral plate fitting blocks, a male buckle is arranged on each right spinous process fitting block, and the pedicle screw positioning holes of the right positioning module correspond to those of the left positioning module. The scoliosis orthopedic split positioner has the advantages that a spinous process fitting face is completely matched with the bone, the internal inclination angle and head and tail lateral inclination angles of the vertebral pedicle can be accurately positioned, surgery time can be shortened, and surgical trauma can be reduced.

Provided is an internally fixed orthotics of growing-stage scoliosis. An orthopedic rod (10) of the internally fixed orthotics is provided with a near-end portion (12), a center portion (14) and a far-end portion (16), wherein a rod body at the near-end portion and the far-end portion thins gradually. Two fixed pedicle screws (24) are fixed in the center portion at intervals. A near-end positioning pedicle screw (22) comprises a near-end implanted nail (222) and a first sliding nut (224) which is provided with a first cone (226), and a first top ball (228) is embedded in the tip of the first cone and butts against the near-end portion. A far-end positioning pedicle screw (26) comprises a far-end implanted nail (262) and a second sliding nut (264) which is provided with a second cone (266), and a second top ball (268) is embedded in the tip of the second cone and butts against the far-end portion. The internally fixed orthotics can promote posterior interbody fusion in a top vertebral area and enables a scoliosis area to automatically correct along with growth of the spine.

The invention relates to the field of medical devices, in particular to a personalized spinal orthopaedic rod and a manufacturing method thereof. The method comprises the following steps: S1, acquiring the related data of the patient; S2, data comparison: comparing the related data of the patient with the data of the normal human skeleton to obtain the closest normal spinal column image; S3, making a personalized spine orthopaedic bar according to the closest normal spine image. According to the manufacturing method of the personalized spinal orthopaedic bar, the related data of the patient and the skeletal data of the normal human body are compared, so that the spinal orthopaedic bar manufactured is more suitable for the physical condition of the patient, and the orthopaedic effect of theorthopaedic bar obtained by the manufacturing method of the present application is better than that of the orthopaedic bar controlled by experience. The invention solves the problems that the shape of the orthopaedic rod depends on the empirical control and the orthopaedic effect is poor in the prior art.