73 results about "Bone Injury" patented technology

The invention discloses a bone injury detection method based on ultrasonic guided waves and a multi-branch convolutional neural network, and the method comprises the steps: firstly collecting UGW signals of bone tissues, and carrying out the standardization preprocessing of the UGW signals, so as to eliminate the amplitude difference between different samples; then, data enhancement strategies such as Gaussian noise disturbance and amplitude scaling are adopted, a finite sample set is effectively expanded, and the robustness and generalization ability of the model are improved; a multi-branch convolutional neural network (TB-CNN) structure is constructed, the network designs independent branches for time domain, frequency domain and time-frequency domain input, deep features are automatically extracted from the respective branches, and feature splicing and multi-level information integration are realized in a fusion module; finally, regression prediction of the bone injury depth is realized through a full connection layer, so that continuous value output is obtained, and the severity of the bone injury can be reflected more finely.

The invention discloses a preparation method of a growth factor gradient bionic scaffold for tendon-bone interface regeneration and repair, and belongs to the technical field of biomedical materials. The composite scaffold is constructed by adopting a coaxial electrospinning and self-assembly technology, and is compounded by a core-shell oriented nanofiber layer and a non-oriented nanofiber layer through a gelatin adhesive to respectively simulate tendon phase and bone phase structures of a tendon-bone interface; a shell layer of the tendon-phase-simulated core-shell oriented nanofiber is a PCL layer containing CTGF, a core layer of the tendon-phase-simulated core-shell oriented nanofiber is a PVA layer containing TGF-beta1, and a bone-phase-simulated non-oriented nanofiber layer is a PCL / Gel co-spun layer containing BMP-2 polylactic acid microspheres and nano-hydroxyapatite. The scaffold can realize secondary controlled release of early-stage release of CTGF, slow release of TGF-beta1 in the middle and later periods and continuous release of BMP-2, and cooperates with a fiber orientation structure to induce graded differentiation of mesenchymal stem cells and promote integrated repair of a tendon-bone interface gradient structure, so that the problems of poor healing of a tendon-bone interface and high repeated fracture rate in a traditional repair method are solved, and the scaffold has good application prospects. The important application value is realized in the field of tendon-bone injury treatment in sports medicine.

The invention relates to an absorbable bone hemostasis and repair stent. The absorbable bone hemostasis and repair stent comprises the following raw materials in parts by weight: 15-60 parts of an excipient, 15-60 parts of a softening agent and 5-70 parts of a bone repair promoting component, the excipient is prepared from a polyoxyethylene-polyoxypropylene copolymer; the softening agent comprises a semi-solid mobile phase polymer; the bone repair promoting component comprises a coating and a core, the coating comprises a polylactic acid-glycolic acid copolymer, zinc stearate and potassium bromide, the core comprises calcium phosphate particles, and the coating wraps the surface of the core. The preparation method comprises the following steps: preparing the bone repair promoting component; and preparing the absorbable bone hemostasis repair stent. The absorbable bone hemostasis and repair stent is high in hemostasis and collapse resistance and has good inflammation regulation and bone repair promoting effects. The absorbable bone hemostasis and repair stent can be used for bone hemostasis and bone repair promotion of any bone injury wound.

The present application relates to a kind of self-setting composite bone implants based on gallic acid complex salt and preparation method thereof, belong to bone repair material field.The present application is specifically related to a kind of self-setting composite bone implants, it is characterized in that, component A, component B and component C, the component A is gallic acid and the complex salt of at least two metal elements, wherein the at least two metal elements are the metal element of promoting bone tissue regeneration or the trace metal element required by human body, and the at least two metal elements include calcium, the component B is the complex of calcium / strontium chondroitin sulfate and calcium sulfate, and the component C is magnesium calcium hydrogen phosphate complex.The self-setting composite bone implant of the present application has the characteristics of antibacterial, anti-inflammatory, promoting osteogenesis, instant shaping and all degradation, can meet the clinical needs of bone tumor, bone injury and the like, has wide application prospect in various bone repair, reconstruction and replacement.

The utility model relates to medical auxiliary instrument technical field provides a kind of bone injury patient implant screw's taking-out device, including ring main body, internal fixation assembly and external fixation assembly.The internal fixation assembly includes expansion cylinder and expansion column, the expansion cylinder is set along the inner ring side of ring main body Circumferentially, expansion column can pass through the inner ring of ring main body, and expansion cylinder is expanded tightly.One end of expansion column located outside expansion cylinder is equipped with a rotating head.The external fixation assembly includes tightening cylinder and hoop ring, tightening cylinder is circumferentially arranged at the outer edge of ring main body, hoop ring can be sleeved on tightening cylinder, and tightening cylinder can be tightened.The bone injury patient implant screw's taking-out device proposed in the utility model can greatly improve the friction between it and implant screw, in the process of taking out implant screw, it can effectively avoid the problem of skidding, especially suitable for the case that the internal hexagonal groove of implant screw is rounded, and it is difficult to take out.

The invention provides a muscle-bone injury area identification method and system, and relates to the technical field of muscle-bone image injury identification. The method comprises the following steps: acquiring a two-dimensional gray-scale ultrasonic image of a target muscle-bone injury area, and positioning a synovial tissue area from the two-dimensional gray-scale ultrasonic image; extracting target feature information from the synovial tissue region; and determining the inflammation activity degree of the synovial tissue according to the target feature information. According to the method, Doppler blood flow signals are completely bypassed, the rheumatism inflammation activity degree is evaluated only through rich information contained in the two-dimensional gray-scale ultrasonic image, and therefore interference of probe pressure artifacts is thoroughly avoided.

This utility model discloses a forearm splint for bone injury care, comprising a cut-resistant braided layer, a covering strap fixedly installed on the inner side of the cut-resistant braided layer, a tension adjustment slit on the surface of the cut-resistant braided layer and the covering strap, and closing straps installed on both sides of the tension adjustment slit. Multiple axial support components are installed on the inner side of the covering strap. An elbow locking component and a wrist locking component are respectively installed between the upper and lower ends of the cut-resistant braided layer and the covering strap. Both the elbow locking component and the wrist locking component include a tension adjustment box, and a locking knob is installed in the middle of the tension adjustment box. The elbow locking component also includes a first connecting wire slidably connected to one of the tension adjustment boxes. This utility model, by adjusting the locking at both ends of the forearm, satisfies the applicability and fit of forearms of different sizes, improves the uniform clamping of the forearm, and facilitates the examination of the forearm skin.

The utility model relates to medical equipment technical field discloses a traditional chinese medical science bone injury fomentation device, including the carrier plate and fixed block one and fixed block two, the right side rotation of carrier plate is connected with one of elastic band, the inside of fixed block one is equipped with the slow groove, the inside slide of slow groove is connected with two sliding blocks one, the similar side fixed connection of two sliding blocks one has spring no.

The application discloses a traditional Chinese medicine for treating contusion and injury, postoperative swelling and pain, and early swelling and pain of broken tendon and bone injury, which is configured from angelica sinensis, ligusticum chuanxiong, red peony root, prepared rehmannia, persicae semen, safflower, costus, fructus aurantii, panax notoginseng, poria cocos, alisma orientalis, astragalus membranaceus and rhizoma corydalis. The medicine is prepared according to the traditional Chinese medicine dialectical theory, has the effects of activating blood and resolving stasis, eliminating swelling and relieving pain, has reasonable formula, simple manufacturing process, remarkable curative effect, convenient use and moderate price, and is an effective prescription for treating tendon and bone pain in traditional Chinese medicine.

The invention discloses a preparation method of a traditional Chinese medicine external formula with a bone fracture rehabilitation effect. The preparation method comprises the following steps: step 1, preparing a traditional Chinese medicine extract; the preparation method comprises the following steps: 1, weighing the following raw material medicines in proportion: radix clematidis, cortex mori radicis, flos carthami, radix stephaniae tetrandrae, herba lycopodii, fructus liquidambaris, radix gentianae macrophyllae, radix saposhnikoviae, radix angelicae sinensis, radix angelicae dahuricae, fructus chaenomelis, vinegar-processed rhizoma corydalis, poria peel, processed frankincense and processed myrrh; 2, the raw material medicines are smashed and then mixed or the raw material medicines are mixed and then smashed, and a mixture is obtained.On the basis of the PCT concept, in-vitro shock wave treatment and an external formula are applied to treatment of a patient suffering from plantar fasciitis, compared with single in-vitro shock wave treatment, the inflammatory factor level can be better reduced through combination of the in-vitro shock wave treatment and the external formula, and the curative effect is better. Meanwhile, the production method of the external use formula disclosed by the invention is few in steps and simple to operate.

The invention provides an intelligent getting-up and moving auxiliary device for a bone fracture patient, and belongs to medical auxiliary equipment. The device comprises a movable seat, a back cushion, a connecting handle, a fixing plate and the like, the movable seat is connected with an electric control movable wheel through an upper connecting frame and a lower connecting frame, the connecting handle is arranged at the wheel shaft end to assist steering, the upper connecting frame is provided with a pasting ring belt and a sleeve to fix the body, the back cushion provides back support, the connecting handle assists the body to get up and sit up, and the fixing plate enhances the structural strength. The position of a connected concave connecting plate can be adjusted, a front moving wheel and an aluminum alloy pedal are arranged at the bottom of a lower connecting frame, a storage net is arranged at the rear end of a seat, and a pulling handle is arranged on the outer surface of the seat. And favorable conditions are created for rehabilitation of patients.

The invention discloses an ointment smearing device for the orthopedics department, and relates to the technical field of ointment smearing devices, the ointment smearing device comprises a storage cavity, a T-shaped plate and a handle plate, a medicine inlet is formed in one side of the outer wall of the storage cavity, and a feeding door is arranged on the inner surface wall of the medicine inlet. According to the scheme, after bone and traumatology plaster is stored in the storage cavity, six heating pipes are started through a controller, under the action of a heat preservation sleeve and a temperature sensor, the interior of the plaster conveying pipe can be heated to the needed temperature, then an electric telescopic rod is started through the controller, and under the action of two limiting rods and a limiting ring, the plaster conveying pipe can be heated to the needed temperature; when the bone fracture plaster is applied, the extrusion medicine feeding plate can be driven to move downwards, the bone fracture plaster in the storage cavity enters the plaster conveying pipe along the round medicine outlet hole, at the moment, the internal orthopedic plaster is preheated, finally, the bone fracture is applied along the strip-shaped medicine outlet hole and the applying nozzle, and it can be guaranteed that the orthopedic plaster cannot be cooled; the ointment can be absorbed by the wounded part in time, and the treatment effect is improved.

The invention provides an application of lurasidone or a pharmaceutically acceptable salt thereof in preparation of a medicine for preventing and / or treating diabetes individual bone injury healing disorder. The hyperglycemia environment causes excessive secretion of lipocalin-2 (LCN2) by activating a phosphopentose pathway of neutrophil, thereby inhibiting osteogenic differentiation of skeletal stem cells. According to the application of the lurasidone or the pharmaceutically acceptable salt thereof in the preparation of the medicine for preventing and / or treating the diabetic individual bone injury healing disorder, in the application provided by the invention, the lurasidone can specifically inhibit the metabolic pathway and the secretion of LCN2, remodel an immune microenvironment beneficial to repair, and promote the healing of the diabetic individual bone injury. The formation of callus under the condition of diabetes mellitus is obviously accelerated and the mineral density of bone is improved.

The invention discloses a bone fracture rehabilitation treatment device, and relates to the technical field of bone fracture rehabilitation assistion.The bone fracture rehabilitation treatment device comprises a leg support, a supporting frame is movably arranged at the bottom end of the leg support, a rotating shaft is fixedly arranged at one end of the leg support, a rotating adjusting assembly is arranged in a bending frame, and the rotating adjusting assembly comprises an adjusting part and a torsion part; the torsion part is matched with the rotating shaft, the adjusting part controls connection of the torsion part and the rotating shaft, a fumigation assembly is arranged on the outer side of the fumigation pinch plate, and the device achieves'load / no-load 'switchable design of shank lifting training through ingenious matching of the rotating adjusting assembly and the torsion part. Through free rotation of the bending frame around the rotating shaft, low-intensity movement is performed on muscles around the shank, the situation that a bone fracture part is injured due to overlarge load is avoided, muscle strength is intensified in a targeted mode, blood circulation is promoted, a good muscle supporting and metabolism environment is provided for bone fracture healing, and the progressive scientific rehabilitation rhythm is achieved.

The invention discloses a space-time responsive multifunctional 3D printing bone repair scaffold as well as a preparation method and application thereof. PDGF-BB is loaded on a quick-release carrier, MgP is loaded on a slow-release carrier, and the multifunctional 3D printing bone repair scaffold with MgP loaded on the inner layer and PDGF-BB loaded on the outer layer is prepared through 3D printing. Wherein the PDGF-BB is used as an immunomodulator, the MgP is used as a regeneration inducer, and after the carrier is implanted into a body, according to different carrier degradation rates, the PDGF-BB is degraded and released in a space-time responsive manner to realize early immunoregulation and endothelial cell recruitment, and then magnesium ions and phosphate ions are degraded and released to synergistically promote vascularization and osteogenesis in middle and later periods with the PDGF-BB. In-vitro and in-vivo experiments prove that the 3D printing bone repair scaffold provided by the invention has immunoregulation, angiogenesis promotion and osteogenesis properties, can be used for repairing inflammatory bone injury, and is particularly suitable for repairing inflammatory bone injury caused by diabetes.

The invention discloses a traditional Chinese medicine composition for bone fracture and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine formulas and preparation thereof, and the traditional Chinese medicine composition is prepared from the following raw materials in parts by mass: angelica sinensis, liquorice, dipsacus root, rheum officinale, frankincense, pawpaw, ground beetle, fructus psoraleae, achyranthes bidentata and borax. The preparation method comprises the following steps: weighing all the medicinal materials according to the proportion, classifying, and respectively carrying out impurity removal and cleaning treatment; performing drying; crushing the special medicinal materials one by one; hard and large medicinal materials are pre-crushed; uniformly mixing the pre-crushed medicinal materials with the residual uncrushed medicinal materials, and performing fine crushing; uniformly mixing the powder obtained by fine crushing with the powder of the special medicinal materials; and screening to obtain the powdery medicinal material with the required granularity. The traditional Chinese medicine composition provided by the invention has a relatively good treatment effect, and the provided preparation method can keep active ingredients in the medicinal materials and improve the medicine effect; the loss of effective components is reduced; the preparation process is easy to control and the product quality is stable.

The present application relates to a kind of absorbable bone hemostasis repair bracket, the absorbable bone hemostasis repair bracket includes the following weight parts of raw materials: excipient 15~60 parts, softening agent 15~60 parts and promote bone repair component 5~70 parts;The excipient includes polyoxyethylene-polyoxypropylene copolymer;The softening agent includes semi-solid mobile phase polymer;The promote bone repair component includes coating and core, the coating includes polylactic acid-glycolic acid copolymer, zinc stearate and potassium bromide, the core includes calcium phosphate salt particle, and the coating is wrapped in the surface of core.The preparation method includes the following steps: the preparation of promote bone repair component;The preparation of absorbable bone hemostasis repair bracket.The present application absorbable bone hemostasis repair bracket hemostasis anti-ability of scattering is strong, and has good inflammation regulation and promote bone repair effect.The present application absorbable bone hemostasis repair bracket can be used for any bone injury wound surface bone hemostasis and promote bone repair.

The application provides an application of isoxazole 9 (ISX-9) in promoting mesenchymal stem cell osteogenic differentiation and bone injury regeneration repair. ISX-9 is a small molecule compound, and has the characteristics of easy to obtain, controllable structure and low cost. The in vitro experiment of the application shows that ISX-9 has the ability to induce mesenchymal stem cell osteogenic differentiation and promote the formation of mineralized nodules; the in vivo experiment shows that the hydrogel wrapped with ISX-9 can promote the regeneration repair of mouse skull defects, indicating that ISX-9 has good osteogenic induction and is a potential bone regeneration repair drug. Therefore, ISX-9 can promote mesenchymal stem cell osteogenic differentiation and be applied to bone tissue regeneration repair. The application also provides a direct action target and action mechanism of ISX-9 in promoting osteogenic differentiation. The application further provides a new drug sustained release delivery system of ISX-9, which is helpful for the application from theoretical research to clinical application.

The invention provides a polypeptide derivative, a polypeptide hydrogel bone in-situ generation method and application. The polypeptide derivative is Npx-fFfFpYGPO (N, N-dimethyl formamide). In the invention, a solution of the polypeptide derivative can be directly injected into a bone injury lacuna, and is decatalyzed by high-expression alkaline phosphatase at an injury part to form hydrogel in situ. The collagen-like polypeptide hydrogel can provide a support for adhesion and proliferation of cells, can accelerate calcium precipitation by providing fluorine signals and phosphate radicals, has the effects of resisting inflammation and regulating and controlling polarization of macrophages, and provides a good microenvironment for bone tissue regeneration. The polypeptide derivative can be perfectly attached to various irregular bone injury parts due to the in-situ gelation performance of the polypeptide derivative, invalid cavities are reduced, and the polypeptide derivative is simple to prepare, low in cost and controllable in component and has a good application prospect.

The utility model relates to the technical field of orthopedic repair, in particular to an adjustable external fixation support for bone fracture rehabilitation treatment, which comprises an insertion nail and a limiting frame, the insertion nail is fixedly embedded into an injured bone and used for limiting and fixing two ends of the bone, and the limiting frame is used for fixing the insertion nail and enabling the insertion nail to be perpendicular to the bone. Wherein the limiting frame is used for limiting an inserted nail, and meanwhile, the limiting frame can stretch out and draw back to change the length. The problem that an existing rehabilitation support cannot be adjusted is solved, the limiting frame and the inserting nails are arranged, the inserting nails are inserted into fractured bones of a patient, meanwhile, the inserting nails are fixed through the limiting frame, and then the fixing size is adjusted by adjusting the connecting size between the inserting nails and the limiting frame in the growth process; therefore, the broken bone can be better helped to recover and grow.

The invention discloses an adjustable external fixation support for bone fracture rehabilitation treatment, and relates to the field of medical rehabilitation appliances, the adjustable external fixation support comprises a connecting shaft for bone fracture rehabilitation treatment, a connecting mechanism for assisting the connecting shaft in connection and adjustment, an adjusting mechanism for assisting the connecting shaft in fixation, and a bearing mechanism for adjusting the treatment angle of a connecting ring, the connecting ring can be adjusted in multiple positions through the damping shaft, the fixing ring supports multi-angle connection, the connecting flexibility is improved, the correcting ring can be used independently or in a combined mode, the adjusting frame and the limiting shaft support height and angle fine adjustment is achieved, the support can dynamically adjust the fixing strength and direction according to the bone fracture healing stage, and the overall structure has high adjustability and adaptability. The problems that a traditional fixing support is inconvenient to adjust and cannot be subjected to personalized adaptation can be effectively solved, and the accuracy and comfort of rehabilitation treatment are improved.

1. The name of the design product: bone injury traction therapy robot main machine. 2. The use of the design product: for bone injury traction therapy and rehabilitation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The disclosure relates to compositions and methods of treating, improving, and accelerating the healing of large segmental bone defects in a subject. The method comprises administering to a patient in need of treatment an effective amount of whole blood, sodium citrate, ecarin and BMP-2.

The utility model discloses an ice compress device for bone fracture, and belongs to the field of medical instruments. An ice compress device for bone fracture comprises a belt body, bandages are symmetrically installed at the two ends of the belt body, a partition pad is installed in the middle of the belt body, a plurality of ice bag boxes are detachably installed on the side face of the belt body, hook-and-loop fastener suede faces are arranged on the portions, above and below the partition pad, of the belt body, and hook-and-loop fastener hook faces are symmetrically installed on the faces, facing the belt body, of the ice bag boxes. A mounting groove is formed in the wall of the ice bag box, and a heat preservation layer is mounted in the mounting groove; the magic tape suede surfaces are arranged above and below the isolation pad on the belt body, and the magic tape hook surfaces are symmetrically arranged on one surface, facing the belt body, of the ice bag box, so that after the belt body is bound on the injured part of a patient, the ice bag box can be installed through the magic tape, and the ice bag box can be adjusted according to the actual ice compress position during installation; and the ice bag can be replaced more conveniently and quickly in the later period.

The present application relates to a kind of polypeptide for cartilage repair and its composition and application, belong to bone injury repair technical field.The polypeptide is polypeptide PG155, and the experimental results of the present application show that it can repair cartilage damage caused by osteoarthritis to some extent.Further research shows that the special exosome (PG155-Exo) produced by polypeptide PG155 pretreatment bone marrow mesenchymal stem cells combined with polypeptide PG155, can significantly enhance the therapeutic effect, and show obvious synergistic effect.This synergistic effect makes the cartilage repair effect significantly better than single therapy, and provides more efficient treatment scheme for osteoarthritis patients.

This utility model discloses a walking aid for patients with bone injuries, belonging to the field of medical rehabilitation equipment technology. It includes two support rods. One support rod has two fixed cylinders fixedly connected to its side, and the other fixed cylinder has two sliding rods fixedly connected to its side. The sliding rods are slidably connected inside the fixed cylinders. Multiple positioning holes are formed on the surface of each sliding rod, and a positioning cylinder is placed between the two fixed cylinders. Its advantages are that by setting a locking pin and a lever plate, the user can rotate the locking pin to disengage it from the locking hole. After disengagement, the user can adjust the position of the movable rod within the contraction groove, thus facilitating the adjustment of the device's height. The user can also pull the lever plate to disengage the positioning block from the positioning hole. After disengagement, the user can adjust the position of the sliding rod within the fixed cylinder, thus facilitating the adjustment of the device's usable width.

The utility model relates to the technical field of orthopedic splints, and discloses an orthopedic splint mounting and fastening device for the orthopedics department, which comprises three groups of connecting cylinders and a fastening adjusting structure consisting of a two-way threaded rod, an arc-shaped fixing piece I and an arc-shaped fixing piece II, and the fastening adjusting structure is arranged in the connecting cylinders. According to the orthopedic splint installing and fastening device for the orthopedics department, the length of the whole device can be freely adjusted through adjustment of the connecting cylinder, and the wearing experience is improved; and a fastening adjusting structure in the device can be reasonably adjusted according to the bone fracture size of a wounded person, the uniformity of force at the clamping position is guaranteed, and the recovery rate is increased.

1. Name of the product in this design: Bone and joint fixation brace. 2. Purpose of this design: a fixation brace for fractured limbs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted; this design is a thin product, so the perspective view is omitted.

The invention belongs to the field of biological materials and tissue engineering, and provides a preparation method and application of a multistage bionic periosteum capable of regulating and controlling an osteogenesis microenvironment, oxidized xyloglucan is dissolved in water, BMP2 is added for mixing reaction, and an OXG-BMP2 solution is obtained; the preparation method comprises the following steps: adding an OXG-BMP2 solution into dichloromethane, dropwise adding an emulsifier, and stirring to obtain an emulsion containing OXG-BMP2 microparticles; adding L-polylactic acid and N, N-dimethylformamide into the emulsion containing the OXG-BMP2 microparticles, and obtaining a core-shell structure spun yarn by using an electrostatic spinning technology; the method comprises the following steps: mixing TA-Ce nano-enzyme into I-type rat tail collagen, uniformly mixing, dropwise adding into core-shell structure spinning, and incubating to complete self-assembly of the bionic periosteum, thereby obtaining the multi-stage bionic periosteum capable of regulating and controlling the osteogenesis microenvironment. The multi-stage bionic periosteum can regulate and control the osteogenesis microenvironment and sequentially promote osteogenesis, and has great application prospects in the aspects of bone injury repair and the like.

The application discloses a self-heating nursing bag for orthopedic nursing, and relates to the technical field of medical devices, which comprises a bottom plate, a moving slide table mechanism arranged on the top of the bottom plate, an elastic rubber tube arranged above the moving slide table mechanism and used for self-adaptive hot compress on the affected part and self-adaptive deformation according to the swelling degree of the affected part, a supporting mechanism arranged on the outer side of the elastic rubber tube and used for limiting the deformation process of the elastic rubber tube and adjusting the size of the affected part, and a water circulation mechanism arranged on the top of the bottom plate and used for self-heating circulation of the water temperature in the elastic rubber tube. The elastic rubber tube and the supporting mechanism are arranged. When the affected part swells, gaps will appear between the elastic rubber tubes. The gaps can reduce the heat transfer of the elastic rubber tube during hot compress on the limbs, prevent the swelling degree from being continuously aggravated, increase the contact between the wrapped part of the bone injury and the air, and continuously perform hot compress to promote blood circulation.