39 results about "Clavicular fractures" patented technology

The present invention provides an acromioclavicular joint and claricle fixer. Its technical problem is to make fixation reliable and simplity operation, and the technical scheme for solving the above-mentioned technical ploblem is characterized by that one end of said fixer is surrounding section, middle is main body section and another end is fork section, between the surrounding section, main body section and fork section at least two tunning places, said fork section processes an opened fork groove, the fork can be inserted under the posterior part of acromion, and the main body section isabutted on the external surface of clavicle, between of clavicle and acromion and lower surface of acromion, and the surrounding arm is placed on front side and back side of clavicle. Said invention is applicable to internal fixation of dislocation of acromioclavicular joint or clavicular fracture.

The invention provides a minimally invasive intramedullary fixing device for clavicle fracture, belongs to the technical field of medical instruments of orthopedics and is used for minimally invasively fixing clavicle fracture at the intermediate piece. The technical scheme is as follows: a proximal intramedullary nail and a distal intramedullary nail are respectively inserted into fractured marrow cavities at the proximal end and the distal end of the clavicle fracture, the proximal intramedullary nail and the distal intramedullary nail are fixedly connected through a fixing screw, a proximal end reset nail, a distal end reset nail and a pull rod are used for tensioning and resetting the two parts of the clavicle fracture towards the middle, after the fracture is healed, the distal end of the clavicle is opened to take out the proximal intramedullary nail and the distal intramedullary nail from the clavicle through a taking out rod, and the operation is carried out under a minimally invasive condition. The minimally invasive intramedullary fixing device provided by the invention is reasonable in structure, simple in operation and firm to fix, achieves minimal invasiveness and minimal X ray exposure and effectively fix the fracture. The minimally invasive intramedullary fixing device provided by the invention is an innovation in minimally invasive fracture operation, effectively avoids the defects of traditional clavicle fracture fixation incision operation, greatly shortens the operation time and recovery time and effectively relieves the pain of patients.

The invention belongs to the technical field of rehabilitation medical equipment, and particularly relates to eight-degree-of-freedom upper limb rehabilitation training arms and device. Each trainingarm comprises a shoulder blade movement assembly, a shoulder joint assembly, an elbow joint assembly, a wrist joint assembly, a big arm assembly and a forearm assembly; the shoulder blade movement assembly comprises a shoulder blade first support, a shoulder ascending and descending motor, a shoulder ascending and descending support and a shoulder forward stretching and backward moving motor; andone end of a sternoclavicular joint clavicle connecting rod is fixedly connected to an output shaft of the shoulder forward stretching and backward moving motor, and the other end is connected to theshoulder joint assembly. The training device comprises a lifting mechanism and a two-arm distance adjusting mechanism arranged at the output end of the lifting mechanism, and the two upper limb rehabilitation training arms are symmetrically installed on the two-arm distance adjusting mechanism. The training device can help a patient to perform comprehensive rehabilitation training on shoulder blades, shoulders, elbows and wrist joints, can help the patient to complete forward stretching / backward moving and ascending / descending actions of the shoulders, performs more thorough and comprehensiverehabilitation training on the upper limbs of the patient, and improves the training efficiency.

A device that allows for the predictable / guided anatomic drilling of claviclular tunnels for graft, suture, or combined graft / suture reconstruction of the AC joint is provided. The device simultaneously allows for larger clavicle tunnels which permit graft passage while providing protection, via stress shielding, of the bone between and adjacent to the bone tunnels. In this way, the surgeon is able to utilize anatomically placed clavicular tunnels large enough for graft passage (which reduces the mechanical failure rate of the reconstruction and most closely replicates normal anatomy) while reducing the risk of clavicle fracture, which has plagued other “anatomic reconstruction” techniques.

A medial plate for treating fractures along a clavicle, comprising a plate body including a longitudinal component extending from a first end to a second end and an extension extending from the second end, the second end configured to be mounted over a medial head, a first set of variable angle holes extending through a portion of the longitudinal component including the second end of the longitudinal component and the extension, each of the first set of variable angle holes extending through the plate body along a central axis so that a bone screw is insertable therethrough at a user-selected angle relative to the central axis, and a plurality of combination holes extending through the longitudinal component, each of the plurality of combination holes includes a first portion configured to receive a bone screw at a user-selected angle and a second portion configured to receive a compression screw.

The invention provides a memory alloy type acromioclavicular joint injury and clavicle fracture fixator. The memory alloy type acromioclavicular joint injury and clavicle fracture fixator is formed by a fixing main board 1, at least two fixing holes 2, a coracoid pulling bending hook 3 and snap rings 4; the fixing holes 2 are uniformly formed in the surface of the fixing main board 1; the end surface of one side of the fixing main board is provided with the coracoid pulling bending hook 3; the snap rings 4 can be arranged on the bilateral sides of the lower surface of the fixing main board 1 respectively; the coracoid pulling bending hook 3 and the snap rings 4 are formed by memory alloy. According to the memory alloy type acromioclavicular joint injury and clavicle fracture fixator, the structure is simple and the design is reasonable; the fixation is firm, the further injury to the acromioclavicular joint is reduced, the enough stability can be provided for the injured ligament or clavicle healing, and the disease rehabilitation of patients is facilitated due to the elastic fixation; the operation is convenient and accordingly the treatment time can be saved for the patients.

The invention provides an anatomical clavicle front bone fracture plate, belonging to the field of medical devices, wherein the anatomical clavicle front bone fracture plate comprises a top side surface, a bottom side surface and a group of screw holes, wherein the bottom side surface is used for being in contact with a bone, and the bottom side surface is of an anatomical shape of a front surface of a clavicle and is used for being adhered on a front side surface of the clavicle. The anatomical clavicle front bone fracture plate disclosed by the invention is suitable for a clavicle fracture internal fixation technique, and can reduce operation difficulty and poor appearances of postoperative skin knurl and the like.

The invention discloses a clavicle fracture percutaneous reduction distraction pressurization fixing device which comprises a reduction fixing plate arranged on the body surface and matched with the physiological curvature of a clavicle, an arc-shaped sliding groove is formed in the reduction fixing plate, a plurality of screw assemblies are connected in the arc-shaped sliding groove, and each screw assembly comprises a screw body and a locking nut. The screw body comprises an upper screw rod part, a lower screw rod part and a step part located between the upper screw rod part and the lower screw rod part, and the locking nut is connected to the upper screw rod part in a matched and screwed mode and matched with the step part to lock the screw body to the reset fixing plate. An expanding, pressurizing and fine-adjusting mechanism which is positioned outside the body and is adjustable in length is connected between the two adjacent screw assemblies close to the fracture end. When the device is used, only several small incisions need to be formed in the two ends of the fracture of the clavicle, and several screw assemblies locked into the clavicle are placed in the small incisions. According to the instrument, minimally invasive surgery is well achieved, periosteum stripping can be reduced through percutaneous body surface external fixation, blood supply is protected, and fracture nonunion is reduced.

The invention discloses a traditional Chinese medicine combination for treating nondisplaced clavicular fracture. The traditional Chinese medicine combination is prepared from the components in parts by weight: 10-15 parts of angelica, 10-15 parts of red peony roots, 8-12 parts of peach kernels, 3-9 parts of safflowers, 8-12 parts of phellodendron, 8-12 parts of radix saposhnikoviae, 8-12 parts of caulis akebiae, 10-15 parts of radix rehmanniae, 3-8 parts of olibanum, 3-9 parts of myrrh, 10-15 parts of dipsacus asperoids, 10-15 parts of rhizome drynariae, 8-12 parts of white peony roots, 8-12 parts of calcined pyritum, 3-9 parts of ground beetles, 15-25 parts of panax notoginseng, 10-20 parts of ligusticum wallichii, 8-12 parts of salvia, 10-15 parts of achyranthes roots, 10-15 parts of cortex acanthopanacis, 10-15 parts of clematis roots, 3-9 parts of glycyrrhiza, 10-20 parts of lignum sappan, 10-20 parts of poria cocos, 10-20 parts of raw semen coicis, 10-20 parts of papaya, 10-20 parts of polygonum multiflorum, 10-20 parts of astragalus, 8-12 parts of gentiana macrophylla and 400-600 parts of yellow rice wine.

The invention discloses a molded clavicle fracture fixing vest, which comprises two parts including a molded pad and a fixing vest, wherein the molded pad is of a hollow bag-shaped structure, vent holes are formed in the molded pad, the molded pad is filled with molded particles, the fixing vest is in a T shape and comprises a chest binding band and a shoulder binding band, the shoulder binding band is connected with the chest binding band through elastic cloth, and one side, attached to the skin, of the molded pad can be a cotton pad. The molded clavicle fracture fixing vest has the advantages that the original directly fixed mode of the bandage is changed into a mode that the bandage is fixed after negative pressure molding through the molded pad according to the appearance of the reset clavicle, the bandage is attached to the body surface to the optimal state; the body part is used as a stress point, the fixation is stable, firm and durable, the tightness degree and the molding can be regulated at any time according to the swelling condition of soft tissues at the fracture broken end part, and the stable fracture fixation is ensured; a plurality of self-sticking binding bands can be singly added outside the shoulder binding band, the pressure is increased, and the fixing effect is improved.

The invention belongs to an acromioclavicular joint CT image processing method. The method comprises the following steps: (1) acquiring CT data of a patient; (2) selecting a CT image with an acromioclavicular joint part for image fusion; and (3) post-processing the fused image to obtain an image of the acromioclavicular joint. The CT image processing method for the acromioclavicular joint aims to research the corresponding relation between the normal distal clavicle end and the acromion, and provides a reliable basis for reduction of dislocation of the acromioclavicular joint and fracture of the distal clavicle end; and, in addition, the method can enable a clavicle hook steel plate to be placed at the optimal position of the acromioclavicular joint, enable the prebending plasticity of the clavicle hook steel plate to optimally adapt to the form of acromion, achieve better matching, and reduce complications such as acromion collision and dissolution.

A medial plate for treating fractures along a clavicle, comprising a plate body including a longitudinal component extending from a first end to a second end and an extension extending from the second end, the second end configured to be mounted over a medial head, a first set of variable angle holes extending through a portion of the longitudinal component including the second end of the longitudinal component and the extension, each of the first set of variable angle holes extending through the plate body along a central axis so that a bone screw is insertable therethrough at a user-selected angle relative to the central axis, and a plurality of combination holes extending through the longitudinal component, each of the plurality of combination holes includes a first portion configured to receive a bone screw at a user-selected angle and a second portion configured to receive a compression screw.

The invention relates to a clavicle near-end fracture plate with a manubrium splint. The clavicle near-end fracture plate comprises the manubrium splint and a clavicle-side fracture plate. The manubrium splint is a U-shaped thin-walled component with a downward opening. The clavicle-side fracture plate is a long thin component with a rectangular cross section. One end of the clavicle-side fracture plate is fixedly connected with the top of the manubrium splint. Each of the manubrium splint and the clavicle-side fracture plate is provided with a cut-preventing part. The beneficial effect of the clavicle near-end fracture plate is that the double-locked structure of the manubrium splint and the combination of the manubrium splint and the clavicle-side fracture plate are used, screw holes of the clavicle-side fracture plate are not distributed in a line, and the screw loosing caused by the lever force can be reduced. The clavicle near-end fracture plate accords with the anatomical structure, the operation is easy, the screw loosing is not easy, the clavicle far-end fracture lever acting force is resisted, and the failure rate is reduced.

The invention discloses an acromioclavicular joint belt cross-linking combined bionic steel plate. The steel plate comprises a clavicle end dissecting plate and an acromion end dissecting plate, boththe clavicle end dissecting plate and the acromion end dissecting plate are provided with a plurality of screw holes, a first fixing hole is formed in the side wall of the clavicle end dissecting plate, a second fixing hole is formed in the side wall of the acromion end dissecting plate, and the first and second fixing holes are welded through a medical steel cable. A fixing device has no influence on physiological function of acromioclavicular joint and shoulder joint, and has no secondary damage to surrounding tissues of the shoulder joint and the acromioclavicular joint during a steel plateimplantation fixing operation, so that it is ensured that a postoperative patient feels comfortable to a certain extent, and serious adverse reactions or complications, such as pain, joint stiffnessand internal fixator damage, cannot be generated.

The invention relates to a locking external fixator for clavicle fracture treatment and belongs to the technical field of medical instruments.The locking external fixator for clavicle fracture treatment comprises an S-like cylindrical frame or rectangular frame and a plurality of facture fixing screws, and the frame is formed by connecting an oblique segment, a linear segment and a V-shaped bent segment; wherein two sides of the oblique segment and V-shaped bent segment of the frame are transversely provided with a plurality of screw holes equal in diameter; the screw holes of the frame match with threads of the screws, the facture fixing screws are fastened in the screw holes and integrally connected with the frame, and the heads of the fracture fixing screws are fixed to fractured clavicle.The locking external fixator is an external fixation structure, so that invasion is minimal with little bleeding, an incision is diminished multiply, small scarf is left, and attractiveness is guaranteed; surgery complications are reduced significantly; the risk of secondary surgery is avoided, the fixator is small in size and light in weight, screw pass injury is little, screw pass complications are few, and recovery of a patient is facilitated; surgical safety is improved.

The invention relates to a fixing device for treating proximal clavicle fracture and sternoclavicular joint dislocation, and belongs to the technical field of medical instruments. The fixing device iscomposed of a clavicle fixing plate, a sternum handle fixing plate and a connecting piece. Fixing holes are formed in the clavicle fixing plate and the sternum handle fixing plate respectively. The clavicle fixing plate and the sternum handle fixing plate are movably connected through a connecting piece, and the sternum handle fixing plate is bent at the end of the clavicle fixing plate. According to the fixing device, through the connecting piece between the clavicle fixing plate and the sternum handle fixing plate, micromotion between sternoclavicular joints can be achieved, and the problemthat an existing common sternoclavicular joint fixing plate limits micromotion of the sternoclavicular joints in all directions, the linkage effect of shoulder joints is affected, and the function ofthe sternoclavicular joints cannot be recovered easily is solved. The fixing device has the advantages of simple structure, convenient implantation, firm and reliable fixation and good stability, andis particularly suitable for treating proximal clavicle fractures.

A minimally invasive intramedullary fixation device for clavicle fractures belongs to the technical field of orthopedic medical devices and is used for minimally invasive fixation of clavicle fractures. The technical scheme is: insert the proximal intramedullary nail and the distal intramedullary nail into the fractured bone medullary cavity of the clavicle fracture respectively, and fix the proximal intramedullary nail and the distal intramedullary nail with the fixing screws , the proximal reduction nail, the distal reduction nail and the pull rod tighten the two parts of the clavicle fracture toward the middle and reset them. After the fracture heals, an opening is opened at the distal end of the clavicle. The surgical procedure is carried out under minimally invasive conditions. The invention has the advantages of reasonable structure, simple operation and firm fixation, realizes minimum trauma and minimum X-ray exposure, and achieves the purpose of effectively fixing fractures. The invention is an innovation of minimally invasive surgery for fracture fixation, effectively avoids the disadvantages of traditional clavicle fracture fixation and incision, greatly shortens the operation time and recovery time, and effectively reduces the suffering of patients.

The invention discloses a clavicle middle section bone fracture plate which comprises a bone fracture plate body, the two ends of the bone fracture plate body are of fusiform structures, the top ends of the fusiform structures are in a circular arc shape, the middle of the bone fracture plate body is of an S-shaped structure, and the bone fracture plate body is divided into a proximal sternoclavicular joint section and a proximal acromioclavicular joint section. The proximal sternoclavicular joint section is provided with a proximal chest kirschner wire hole, a proximal chest locking hole and a sliding hole, the proximal chest kirschner wire hole is located at the end of the proximal sternoclavicular joint section, the proximal chest locking hole is located between the proximal chest kirschner wire hole and the sliding hole, the proximal acromioclavicular joint section is provided with a plurality of proximal shoulder locking holes, A proximal shoulderupper kirschner wire hole is formed between every two adjacent proximal shoulder locking holes, and a proximal shoulder lower kirschner wire hole is formed in the end of the proximal acromioclavicular joint section. The Kirschner wire holes are formed in the clavicle middle section bone fracture plate and can be used for temporary fixation, and the Kirschner wire holes in the two ends can be used for accurately positioning the bone fracture plate on the bone surface.

The present invention discloses a device for fixing a pressurizing and locking steel plate for a distal-clavicle fracture-setting treatment. The device comprises a clavicle fixing steel plate body, locking steel nail holes are formed in a top face and a bottom face of the clavicle fixing steel plate body in a penetrating mode, locking steel nail bushing rings are in threaded connection with interiors of the locking steel nail holes, limiting pieces are fixedly arranged at top parts of surfaces of the locking steel nail bushing rings, and anti-skid protruding lines are fixedly arranged on top faces of the limiting pieces. The locking steel nail bushing rings can be driven to rotate in the locking steel nail holes by pulling the limiting pieces, so that the locking steel nail bushing rings rotate out or rotate in the locking steel nail holes, rotating the limiting pieces is not prone to sliding by arranging the anti-skid protruding lines, the limiting pieces and the clavicle fixing steelplate body are fixed more stably by arranging fastening gaskets, steel nails can be conveniently installed in the locking steel nail holes and the locking steel nail bushing rings, an effect of conveniently adapting to the steel nails with different diameters for use is achieved, and the use is more flexible and convenient.

The invention discloses an assembled and adjustable clavicle fixing device with a reduction function and a use method of the assembled and adjustable clavicle fixing device. The device comprises fixing blocks which are respectively arranged on a clavicle, an adjusting block and two connecting cables, wherein each fixing block comprises a base plate I, channels I formed in the left side and the right side of the base plate I in the axis direction and a screw hole formed in the top end of the corresponding first base plate; the adjusting block is arranged on the clavicle; the adjusting block comprises a base plate II, and second channels which are close to the side walls of the two ends of the base plate II and are symmetrical about the center line; the connecting cables sequentially penetrate through the channels I and the channels II in the two sides of the fixing blocks and the adjusting block respectively and then are fixed through lock catches, and according to the assembled and adjustable clavicle fixing device with the reduction function and the use method of the assembled and adjustable clavicle fixing device with the reduction function, the fixing blocks and the adjusting block are used in an assembled mode; and the device has the characteristics of synchronous fixation and reduction, adjustability, universality, simplicity in operation and the like, can be used for various clavicle fractures, and has a better effect.

The invention provides an anatomical sternoclavicular joint bone fracture plate and a fixation system in sternoclavicular joint. The anatomical sternoclavicular joint bone fracture plate comprises a bone fracture plate body, the bone fracture plate body comprises a near end and a far end, the near end of the bone fracture plate body is attached to the clavicle part of a sternoclavicular joint, a movable hole is formed in the near end of the bone fracture plate body, the inner wall of the movable hole is a smooth surface, a gap exists between the inner wall of the movable hole and a screw penetrating into the movable hole, the central axis of the movable hole passes through the sternoclavicular joint, and a plurality of locking holes are formed in the far end of the bone fracture plate body. The fixation system in the sternoclavicular joint comprises the anatomical sternoclavicular joint bone fracture plate and cancellous bone screws matched with the movable holes of the bone fracture plate body. According to the anatomical sternoclavicular joint bone fracture plate, the stability of a dislocated sternoclavicular joint can be effectively guaranteed, repairing and healing of surrounding ligaments are accelerated, a patient can do early exercise, and the joint function can be recovered earlier.

The invention discloses a clavicle fracture closed reduction device and method. The device comprises a main frame, a fixing mechanism, an adjusting mechanism and a reduction mechanism, wherein the fixing mechanism and the adjusting mechanism are arranged at the two ends of the main frame respectively, and the reduction mechanism is movably arranged on the main frame; the adjusting mechanism is slidably connected with the main frame and used for fixing the far end of the clavicle of the affected side; the fixing mechanism is fixedly connected with the main frame and used for fixing the near endof the clavicle of the normal side; the adjusting mechanism slides to make the far end of the clavicle of the affected side reduced; and the reduction mechanism is used for correcting the position ofthe bone block of the near end of the affected side to make the bone block of the near end of the affected side in butt joint with the far end of the clavicle of the affected side for reduction. Thetwo ends of the reduction device are erected at the near end of the clavicle of the normal side and the far end of the clavicle of the affected side respectively, and the bone block of the near end ofthe affected side is not used as a supporting point for erecting the whole device any more. The adjusting mechanism can be used for pulling the far end of the clavicle of the affected side to move tomake the far end of the clavicle of the affected side return to the original position, the reduction mechanism can also be used for adjusting the bone block of the near end of the affected side at will to make the bone block of the near end of the affected side in butt joint with the far end of the clavicle of the affected side for reduction, and then the reduction precision and the treatment effect are improved.

The present disclosure describes an infant brace for treating an infant with a fractured clavicle. The infant brace includes a torso portion for receiving the donning infant's torso, and an arm portion for receiving the donning infant's arm on the side coinciding with the fractured clavicle. The infant brace is formed from an elastic netting material. The infant brace provides effective immobilization of the infant's affected upper arm while minimizing risks of over-heating or causing pressure sores.

The invention belongs to the technical field of medical equipment, and especially relates to a coracoclavicular ligament titanium cable reconstruction guider and a reconstruction method for a coracoclavicular ligament. The coracoclavicular ligament titanium cable reconstruction guider comprises a titanium cable guiding out component and a titanium cable guiding in component. The titanium cable guiding in component is internally provided with a guiding-in channel used for guiding a titanium cable in. The titanium cable guiding out component is provided with a guiding-out channel used for guiding the titanium cable out. One end of the titanium cable guiding out component is a wrapping portion which can wrap a coracoid. A communication positioning structure which can communicate the guiding-in channel with the guiding-out channel is arranged between the wrapping portion and the titanium cable guiding in component. The coracoclavicular ligament titanium cable reconstruction guider is advantaged in that the titanium cable guiding out component and the titanium cable guiding in component combine to form a reconstruction device for the titanium cable to guide in. The reconstruction device does not need to cut open a tissue to internally fix coracoid clavicles, to prevent damages on the coracoid, clavicles, and peripheral tissues of both, and save large amount of operation time. Thus, security of an operation is improved, and fixation stability is enhanced by using titanium cable two-beam fixation.

The invention provides a shoulder damping protective tool for riding, which is characterized by comprising a protective armor, a connecting belt, a shoulder armor, protective clothing and a damping mechanism. The special protective tool for riding with the protective armor and the shoulder armor is designed by imitating the shape of the upper limb of a human body; a damping mechanism composed of a buffer cylinder, a buffer rod, a buffer spring, a connecting block, a fastener, a mounting seat and a fixed base is additionally arranged between the armor and the shoulder armor, so that even if people fall down during riding, the shoulders of the people can be protected to a certain extent under the action of the shoulder armor, the skin tissues of the shoulders are prevented from being damaged, in addition, under the action of the damping mechanism, a certain buffering effect can be achieved when the shoulders of people collide with the ground, and therefore the phenomena of shoulder blade fracture, clavicle fracture and upper rib fracture caused when the shoulders of people directly collide with the ground can be effectively avoided; therefore, a better safety guarantee can be provided for people in the riding process.

The invention belongs to the technical field of clavicular fracture fixation, and in particular relates to a clavicle intramedullary nail fixation anchor and a clavicular intramedullary nail fixation device. The present invention includes a basic screw sleeve, the outer wall of which is used to fit on the positioning hole at the clavicle in an expansion or threaded manner, and the lumen of the basic screw sleeve is formed so that the intramedullary nail can enter through the positioning hole The passing cavity of the clavicle medullary cavity; the fixation anchor of the clavicle intramedullary nail also includes a positioning piece for radially locking the end of the intramedullary nail. The clavicle intramedullary nail anchor achieves reliable positioning of the end of the intramedullary nail, and prevents the intramedullary nail from falling off and accidentally twisting in the intramedullary cavity of the clavicle; while the clavicle intramedullary nail fixation device is used for minimally invasive Under the environment, it can realize the efficient fixation function of the fractured clavicle.

The invention provides an intramedullary fixation device for clavicle fracture, and aims at overcoming the defects of a clavicle intramedullary nail main nail and lock nail crossed locking technologyof more complications, operation complexity and the like. The intramedullary fixation device for clavicle fracture comprises an elastic inner nail and an intramedullary main nail, wherein the elasticinner nail is sequentially provided with a head part, an elastic rod part and a threaded rod part; the elastic head rod part has pre-bent titanium metal elasticity; the threaded tail rod part is provided with external screw threads; an elastic inner nail passage with the inner diameter matched with the elastic inner nail is arranged in a nail body of the intramedullary main nail; an elastic innernail passage with the inner diameter matched with the elastic inner nail is arranged in the nail body; the elastic inner nail passage comprises a straight through part and a bending part which communicate with each other; the straight through part is arranged in the axial direction of the nail body of the intramedullary main nail; internal screw threads matched with the external screw threads of the threaded rod part are arranged on the inner wall of the straight through part; one end opening of the straight through part is in the near end of the intramedullary main nail; a side opening is formed in the side wall and at the distal end of the nail body of the intramedullary main nail; and the elastic inner nail passage penetrates through the tail part of the nail body of the intramedullarymain nail and the side wall of the nail body.

The invention provides a sternoclavicular joint elastic inner fixing device. The sternoclavicular joint elastic inner fixing device comprises a first sternoclavicular joint elastic inner fixing deviceand a second sternoclavicular joint elastic inner fixing device, wherein the first sternoclavicular joint elastic inner fixing device comprises a sternum section, an elastic connecting section, and aclavicle section; the sternum section comprises a first sternum section and a second sternum section; tines and oblique edge teeth are arranged on the first sternum section and the second sternum section; the oblique edge teeth of the first sternum section and the second sternum section are in cooperation to realize locking in the up-and-down direction; the second tines are inserted to the rear part from the left side and the right side of the outer side edges of a manubrium sterni, below the first rib and above the second rib, to grip the manubrium sterni, and then cooperate with the first tines to realize the fixing of sternum in three directions, so that the sternum section can be tightly fixed with the manubrium sterni in a combining manner in the front of the manubrium sterni; and the elastic connecting section has elastic deformation, so that stress of the sternoclavicular joint can be effectively resisted, besides, the life microwaving characteristic of the sternoclavicular joint is reserved, and dynamic elastic fixing of the sternoclavicular joint is realized. The clavicle section adopts an arc-shaped plate structure, and the length of the clavicle section can be extendedin the direction of the clavicle according to requirements.