164 results about "Burn wound" patented technology

The invention relates to the technical field of burn wound treatment, and discloses an intelligent burn wound dynamic monitoring and evaluation system. The system comprises a data acquisition module for acquiring real-time physiological data of a burn wound by using a multi-source sensor; the multi-modal feature fusion module is used for generating wound comprehensive state features based on a deep belief network; the dynamic evaluation module outputs a wound healing level and a risk early warning signal through a pre-trained collaborative evaluation model; the optimization decision generation module is used for constructing a multi-target dynamic optimization model to adjust a treatment scheme according to risk early warning; and the hierarchical execution control module realizes distributed execution of treatment instructions through a hierarchical control architecture. The system can comprehensively monitor the state of the wound surface, accurately evaluate the healing risk, optimize the treatment scheme and accurately execute the treatment scheme, effectively improve the treatment effect of the burn wound surface, reduce the infection risk and shorten the healing period, and has important clinical application value.

The invention discloses a burn and damaged skin recovery degree evaluation method based on skin image recognition, and the method comprises the steps: obtaining a visible light image and an infrared thermal imaging image of a skin burn patient, carrying out the preprocessing, and fusing into a skin burn image; performing feature extraction, recognition and segmentation to obtain a burn area image; constructing a static feature set based on the burn feature parameters, constructing a three-dimensional model of the burn wound based on the burn area image and the depth image, and constructing a dynamic feature set; and inputting the extracted static and dynamic features into the optimized deep learning-support vector machine fusion model for training, carrying out final classification on a recovery stage, and calculating the time required for complete healing. The method provided by the invention not only can effectively capture the static feature information of the burn area, but also can dynamically monitor the recovery change trend of the wound in real time, accurately predict the time required for complete healing, and can significantly improve the accuracy and personalized assistance of burn diagnosis and treatment.

The invention discloses a burn wound image detection method based on an attention-enhanced convolutional neural network, and belongs to the field of medical image artificial intelligence target detection. The method comprises the following steps: establishing and marking a burn wound skin image data set, introducing a Swin Transform and an LSKA attention module in series behind a spatial pyramid pooling fast module (SPPF) at a backbone part of a YOLOv11 network, forming an enhanced Backbone of SPPF-Swin-LSKA, and realizing collaborative optimization of global modeling and local detail perception; and cross-layer feature routing and multi-scale prediction layer configuration are redesigned at a Head end so as to improve the detection capability of a small target and the recognition performance under a complex background. The method can effectively reduce missing detection and false detection, improves the detection stability and robustness, and has good real-time performance and clinical application value.

The invention provides a burn wound area segmentation method and system, and the method comprises the steps: obtaining a to-be-segmented image through constructing an anatomy database, and employing a lightweight CNN classifier to extract a feature vector; determining a healing stage of the burn wound according to the feature vector, and adjusting boundary parameters according to the healing stage; inputting an image to be segmented into the improved U-Net encoder network, and outputting a segmentation mask and a boundary probability graph; determining an interaction area according to the boundary probability graph, carrying out interaction in the interaction area by referring to the segmentation mask, and generating a smooth boundary according to interaction data; and post-processing optimization fused with prior constraints is performed on the smooth boundary to obtain a target boundary so as to complete burn wound area segmentation, specific and prior knowledge provides basic constraints for segmentation, interactive operation pertinently corrects a complex area, post-processing realizes global consistency optimization, and a'constraint-correction-optimization 'closed-loop processing flow is formed.

The embodiment of the invention provides a multi-dimensional data processing method and system for intelligent scoring of emergency patients. The method comprises the following steps: acquiring dynamic temperature data and humidity fluctuation data of a burn wound surface through a flexible wearable monitoring device; inputting the time sequence change of the dynamic temperature data into a temperature-drug release model to generate drug concentration distribution; constructing an infection diffusion map taking the anatomical structure as a topological reference, wherein the infection diffusion map comprises an edge attribute representing the flow direction of tissue fluid and a node attribute representing a necrotic region; combining the metabolic rate parameter in the node attribute and the fluid resistance parameter in the edge attribute, iteratively updating the infection propagation intensity, and generating a weight distribution diagram; matching burn depth grading standards according to geometric deformation characteristics and gradient attenuation trends of the weight distribution map, and generating infection risk dynamic scores integrated with drug concentration distribution feedback. According to the technical scheme provided by the embodiment of the invention, the multi-dimensional data processing efficiency and precision can be improved.

The invention discloses a dressing for promoting pain relief and regeneration of burn wounds and a preparation method of the dressing. The dressing comprises a drug delivery carrier and slow-release multi-effect hydrogel loaded on the drug delivery carrier, the slow-release multi-effect hydrogel is prepared from the following raw materials in parts by weight: 100 parts of water, 7 to 35 parts of multi-effect slow-release microspheres, 3.5 to 10 parts of sodium carboxymethyl cellulose, 2.5 to 8 parts of sodium hyaluronate and 0.5 to 4 parts of glycerol. The dressing provided by the invention has the effects of relieving wound pain, promoting wound regeneration and inhibiting and killing bacteria, the effect of the dressing is long-acting by realizing slow release of various active components (antibacterial carbon dots, silver nanoparticles and bletilla striata polysaccharide), and the dressing has a good application prospect by virtue of matching of the active components and the slow-release effect of the active components. The nursing and treatment effects of burn wounds can be effectively improved, and the application prospect is very good.

The invention relates to an intelligent dynamic negative pressure and phototherapy integrated burn wound treatment device, and belongs to the technical field of medical instruments, the device comprises a contact layer, a conduction layer and a honeycomb support layer, the contact layer drains exudate, the conduction layer is integrated with an optical fiber network and a self-adaptive deformation mechanism, and the honeycomb support layer is connected with an intelligent negative pressure chamber and a gradient sterilization system. The pressure of the negative pressure chamber is dynamically adjusted through a corrugated air bag and a rhombic telescopic unit, and the photo-thermal assembly irradiates the wound surface in a time-sharing mode and maintains the constant temperature. And the sterilization system adopts ultraviolet pulse and a multi-stage filter screen to cooperatively purify the percolate. The intelligent regulation and control module optimizes treatment parameters in real time through a multi-mode sensing network, and full-closed-loop cooperation of negative pressure, phototherapy and sterilization is achieved. According to the device, the limitation of traditional treatment is broken through through integrated design, the wound repairing quality and the anti-infection capacity are remarkably improved, meanwhile, the medical care burden is reduced through modular expansion and a non-invasive monitoring function, and an efficient and safe intelligent solution is provided for burn management.

The invention relates to the technical field of temperature mapping, in particular to a burn wound infection early warning method and system based on infrared thermal imaging monitoring, and the method comprises the following steps: extracting an image temperature recombination thermal matrix, recognizing a contour, screening edge fluctuation, trimming a thermal difference to track a heat flow path, calculating a drift trajectory, and analyzing heat value mutation. And a wound infection early warning scheme is obtained. According to the invention, through temperature reconstruction and thermal difference distribution analysis of an infrared image, a wound surface hot area range and a thermal energy gathering trend are accurately identified, dynamic tracking of edge thermal drift is realized in combination with a heat flow path and a heat value change direction, and a multi-layer heat map structure is constructed by using heat value increasing and climbing mutation characteristics. According to the method, the identification precision and infection risk early warning capability of a thermal abnormal region are improved, the sequential expression and spatial structure definition of temperature change are enhanced, the fuzzy problem of a static heat map is improved, and continuous monitoring of the thermal evolution process of a wound surface and directional positioning of a high-risk region are realized.

The invention relates to the technical field of medical supplies, and discloses a microcapsule controlled-release medical dressing and a preparation method thereof.The microcapsule controlled-release medical dressing comprises a base cloth layer, a microcapsule layer arranged on one side of the base cloth layer and a protective layer covering the microcapsule layer; the microcapsule layer is composed of a plurality of drug-loaded microcapsules, each microcapsule is composed of a wall material and a core material, the core material is a wound treatment drug, and the wall material is a modified chitosan-sodium alginate composite wall material; the base cloth layer is a polyurethane non-woven fabric with air holes, and the protective layer is a degradable hyaluronic acid film. The microcapsule is suitable for various types of wounds, such as surgical incisions, burn wounds, chronic ulcers and the like, different wound treatment requirements can be met by adjusting the types of antibiotics in the microcapsule, the crosslinking degree of the wall materials and the drug loading capacity, and the microcapsule has a wide clinical application prospect.

The invention provides a burn treatment judgment method and an automatic burn treatment platform, and belongs to the technical field of burn treatment. A burn wound is analyzed through multi-dimensional data formed by combining infrared imaging, laser scanning and visual images and compared with data in a database; the firing depth and the firing area are accurately judged, and a corresponding treatment method is generated; according to the automatic burn treatment platform, through multi-dimensional data analysis combining infrared imaging, laser scanning and visual images, the depth, the area and the degree of burn can be quickly and accurately evaluated by using data comparison and an operation control module in an artificial intelligence mode, and the probability of manual misjudgment is reduced; the debridement equipment automatically completes debridement operation according to the generated treatment method, the efficiency is far higher than that of traditional manual operation, and especially in an emergency rescue scene, the burn treatment speed can be remarkably increased. The system can be quickly deployed and efficiently operated in a burn department of a hospital or a fire rescue site.

The invention discloses a method and system for predicting early infection of a child burn wound, and the method comprises the steps: S1, obtaining the information of the child burn wound, and monitoring the local temperature, pH value, specific inflammatory marker level and original data of pathogen nucleic acid of the burn wound; s2, generating a trend change comprehensive model by using a time sequence analysis algorithm; s3, key features are extracted through an adaptive feature selection technology trend change comprehensive model, and data dimensions are reduced; s4, adopting a transfer learning method to perform pre-training in the burn case as a risk assessment model, and utilizing the risk assessment model to generate an infection risk score; and S5, setting a risk threshold value, and when the infection risk score exceeds a preset threshold value, performing early warning, marking child wound infection, generating a detailed infection report, and performing targeted treatment. According to the method, the problem that a high-performance prediction model is difficult to directly construct due to relatively small child medical data volume and complexity is solved, and the ability of early infection recognition of children is improved.

The invention provides MXene modified and engineered exosome loaded GelMA hydrogel, a preparation method thereof and application of the MXene modified and engineered exosome loaded GelMA hydrogel in preparation of burn wound repair products, and belongs to the technical field of medical biology. The preparation method comprises the following steps: introducing the anti-tagomiR-192-5p into mesenchymal stem cell MSCs exosome through an electroporation technology to obtain an exosome preparation for promoting wound healing based on regulation and control of the miR-192-5p, and recording the exosome preparation as Exo-anti-tagomiR-192-5p; the preparation method comprises the following steps: mixing Exo-antitago miR-192-5p, MXene and a methacrylated gelatin solution, so as to obtain the Exo-antitago miR-192-5p (at) M-GelMA hydrogel. The preparation method comprises the following steps: mixing the Exo-antitago miR-192-5p (at) with the methacrylated gelatin solution; in a mouse burn model, after the hydrogel is used, the wound closing speed is obviously increased, the inflammatory reaction is obviously relieved, and the tissue regeneration quality is higher.

The invention discloses a negative pressure wound debridement and healing promoting device for burn plastic surgery, and relates to the technical field of burn wound debridement, the negative pressure wound debridement and healing promoting device comprises an application assembly and a machine body, a negative pressure suction device is installed on the inner wall of the machine body, the output end of the negative pressure suction device is fixedly communicated with a drainage tube, and the end part of the drainage tube is connected with a negative pressure mechanism; a plurality of pipeline connecting assemblies are arranged on the side face of the negative pressure mechanism and distributed in an annular array mode, and connecting pipes are fixedly communicated between the pipeline connecting assemblies and the application assemblies. Through the negative pressure mechanism, the application assembly sequentially carries out negative pressure operation on a burn wound from outside to inside, the negative pressure drainage acting force can be continuously adjusted to promote blood circulation, remove waste and media and achieve the purpose of promoting healing, the sealing effect is good, the blockage condition of a channel can be automatically sensed, a certain buffering effect is achieved, and the application effect is good. And the practicability is excellent.

The formation of scars at a wound site is reduced by contacting the wound site with an effective dose of an inhibitor of focal adhesion kinase (FAK) formulated in a pullulan hydrogel. The release profile of the FAK inhibitor can be adjusted according to the nature of the wound, e.g., excisional wounds, burn wounds, etc.

The invention discloses oil gel based on hermetia illucens oil as well as a preparation method and application of the oil gel, and relates to the technical field of biological medicines. According to the oil gel based on the hermetia illucens oil, the hermetia illucens oil is used as a grease matrix, and a stable lipid network structure is constructed by combining monoglyceride from hermetia illucens and vegetable wax. The hermetia illucens oil is derived from an animal lipid metabolism system, the fatty acid chain length distribution, the polarity characteristic and other aspects of the hermetia illucens oil are highly similar to those of a human skin cuticle lipid system, a continuous lipid covering layer can be formed on the surface of a burn wound, and the wound barrier condition is effectively improved; meanwhile, antioxidant fat-soluble components contained in the hermetia illucens oil are beneficial to reducing the local oxidative stress level of the wound surface and improving the microenvironment of the wound surface. The oleogel provided by the invention is suitable for external nursing of burn wounds, has dual functions of bionic barrier construction and antioxidant synergistic regulation, and can provide a novel and efficient biomedical material for burn wound repair.

The invention relates to the technical field of burn gels, in particular to an antibacterial burn gel and a preparation method thereof.The preparation method comprises the following steps that carbomer is dispersed in water, standing and swelling are conducted, and a primary gel matrix is obtained; stirring the primary gel matrix, sequentially adding emulsified silicone oil, ethanol, a disodium ethylene diamine tetraacetate solution and an emulsifier, and stirring to obtain a mixture A; adding silver salt and modified hydroxyapatite nanorods into the mixture A, and stirring to obtain a mixture B; the pH value of the mixture B is adjusted to 6.5-7.5, and the antibacterial burn gel is obtained. According to the invention, silver salt is introduced to endow the burn gel with excellent antibacterial performance; the hydroxyapatite nanorods are introduced, so that the problem that the antibacterial property is reduced due to silver ion precipitation is solved, the biocompatibility and the heat dissipation effect of the gel are synchronously enhanced, and a more efficient and safer solution is provided for antibacterial and repair of burn wounds.

The invention provides a traditional Chinese medicine composition for promoting burn wound healing and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicine. The traditional Chinese medicine composition comprises the following components in parts by weight: 15-20 parts of fructus cnidii; 20-40 parts of sargentgloryvine stem; 20 to 40 parts of dandelion; 20 to 40 parts of polygonum cuspidatum; 25 to 30 parts of cortex phellodendri; 25 to 30 parts of radix sophorae flavescentis; 10 to 15 parts of Chinese gall; 1-5 parts of a temperature slow release agent; 1 to 5 parts of mucus polysaccharide; wherein the temperature slow-release agent is prepared from menthol glucoside, tris (hydroxymethyl) aminomethane and sodium alginate. The traditional Chinese medicine composition is prepared by compounding fructus cnidii, sargentgloryvine stem, dandelion, polygonum cuspidatum, golden cypress, radix sophorae flavescentis and gallnut, has the efficacy of resisting inflammation, resisting bacteria, promoting healing, astringing to relieve pain and the like, and is combined with the temperature slow-release agent and mucous polysaccharide, so that the temperature required during fumigation and washing is effectively regulated and controlled while the efficacy is promoted, and the fumigation and washing effects are improved. And the secondary injury of the wound surface caused by improper control of the fumigation and washing temperature is avoided.

The invention discloses a first-aid cooler for flame burn patients in the technical field of burn first-aid cooling, which comprises a fixing band, the fixing band comprises an upper layer and a lower layer, a shell is fixedly connected between the upper layer and the lower layer in the center of the fixing band, a temperature control component and a controller are arranged on the shell, and the temperature control component is in signal connection with the controller. The temperature control assembly is used for reducing and maintaining the contact temperature with the burn wound according to the dissolution heat absorption principle, the temperature control assembly penetrates through the lower layer of the fixing band, an elastic layer is laid at the bottom of the temperature control assembly, and a medical fabric layer is detachably connected to the bottom of the elastic layer. The device is novel and effective, continuous cooling emergency treatment can be conducted on a burn wound of a wounded person on a fire scene, the medical fabric layer can be pushed to be tightly attached to the burn wound through the expansion effect of the temperature control bag during heat absorption, pain brought to the wounded person during emergency treatment binding is reduced, the stability of the emergency treatment effect on the fire scene is improved, and deepening and infection of the burn wound are avoided.

Disclosed herein are low density particles comprising polymerized fibrin that are micrometer or nanometer sized in diameter. The particles can further include at least one therapeutic agent. The particles may be used to treat wounds, by administration directly or systemically to the site of the wound. Exemplary wounds that may be treated with the fibrin particles include a trauma wound, a surgical wound, a burn wound, or an ulcer wound. Also disclosed herein are methods for preparing the particles using a shearing process.

The present application relates to the field of biotechnology, in particular to the application of Radix Rabdosiae Rubescens derived exosomes in the preparation of a drug for promoting wound healing, wherein the prepared Radix Rabdosiae Rubescens derived exosomes are uniform in size, good in appearance, can promote cell proliferation, have good effects of promoting fibroblast migration and reducing scar formation; and a scar-free wound healing hydrogel containing Radix Rabdosiae Rubescens derived exosomes is also provided, wherein the hydrogel can encapsulate rEVs or ORI, can effectively increase the proportion of type III collagen in the new skin tissue, effectively reduce the formation of scars, effectively promote the healing of deep second-degree burn wounds, and effectively inhibit the MMT process of macrophages in the wound healing process, and has a wide application prospect in the field of scar prevention and treatment.

This invention provides a traditional Chinese medicine composition for treating skin trauma, its preparation method, and its application, relating to the field of traditional Chinese medicine technology. The traditional Chinese medicine composition of this invention comprises the following raw materials in parts by weight: Astragalus membranaceus 20-30 parts, Piper kadsura vine 20-30 parts, Dragon's blood 10-20 parts, Rheum palmatum 3-8 parts, Coptis chinensis 3-8 parts, Phellodendron chinense 3-8 parts, Angelica sinensis 8-15 parts, Panax notoginseng 1-5 parts, Angelica dahurica 5-10 parts, Rehmannia glutinosa 5-10 parts, Scrophularia ningpoensis 3-8 parts, Aucklandia lappa 1-5 parts, Paeonia suffruticosa 5-10 parts, Rosin 3-8 parts, Vespa nidus 10-15 parts, and Carbonized human hair 1-5 parts. The various medicinal materials of this invention interact and complement each other, possessing the effects of promoting diuresis and reducing swelling, promoting tissue regeneration and detoxification, anti-inflammatory and analgesic effects, and activating blood circulation and removing blood stasis. It can reduce tissue swelling and redness, effectively prevent infection of burn wounds, and improve wound healing speed. It has significant therapeutic effects on skin trauma caused by burns and scalds, with no toxic side effects.

The present application belongs to the technical field of medical equipment, and discloses a moisturizing device for burn plastic surgery nursing, which comprises a moisturizing cover, a water tank, a heater, an atomizer, a fan and a power supply. The moisturizing cover is hemispherical and made of transparent plastic, the inner surface of the moisturizing cover is covered with multiple layers of microporous membranes, the outer surface of the moisturizing cover is provided with multiple ventilation holes, the lower end of the moisturizing cover is open and used for being sleeved on a burn wound surface, the upper end of the moisturizing cover is provided with an air inlet and an air outlet; the water tank is used for storing a solution, the lower part of the water tank is provided with a water outlet connected with a water pump, the other end of the water pump is connected with the air inlet of the moisturizing cover through a water pipe, a valve is arranged on the water pipe and used for controlling the size of water flow; the heater is used for heating the solution in the water tank; the atomizer is used for atomizing the solution delivered by the water pump; the fan is used for discharging air and water mist in the moisturizing cover; the power supply is used for providing power for the water pump, the heater, the atomizer and the fan, a switch is arranged on the power supply and used for controlling the on-off of the power supply; and the controller is used for controlling the working state of the moisturizing device.

The application discloses a flagellum inhibiting peptide of pseudomonas aeruginosa and a preparation method and application thereof, and the sequence of the flagellum inhibiting peptide is Lys-Ile-Gly-Leu-Phe-Arg-Trp-Arg. The synthetic inhibiting peptide has a time-dependent self-assembly ability, can gradually evolve from scattered granular into filamentous structure, and finally forms a stable net-like morphology. The synthetic inhibiting peptide can significantly inhibit the flagellum motility of PAO1 and other strains of pseudomonas aeruginosa, and has synergistic antibacterial activity when combined with allicin, ciprofloxacin, meropenem, levofloxacin, polymyxin B and the like. Moreover, the synthetic inhibiting peptide has obvious bacteriostatic and healing-promoting effects on burn wound infection.

The present invention relates to the technical field of auxiliary medicine application equipment for burn patients, specifically to an anti-adhesion burn dressing change device, comprising a chassis, an automatic gauze winding unit fixed on the chassis, and an anti-adhesion unit, wherein a through circular hole is provided in the middle of the chassis; the automatic gauze winding unit comprises a shaft sleeve fixed in the chassis, a bearing fixed on the outer circle of the shaft sleeve, a gear ring fixed on the outer ring of the bearing, and a core shaft threadedly connected to the end face of the gear ring, gauze is wound on the core shaft, and the core shaft can rotate coaxially around the circular hole; the anti-adhesion unit comprises a container box fixed on the surface of the chassis and a medicine dispensing mechanism arranged in the container box, the container box is located directly above the central axis of the circular hole, the lower end of the container box is provided with a conical medicine dispensing hole, and the medicine dispensing mechanism is used to block or open the medicine dispensing hole. The present invention can assist medical staff in completing gauze bandaging and performing anti-adhesion treatment on the wound during the dressing change process for hand burn wound care, thereby reducing the workload of medical staff and promoting wound recovery.

The present invention discloses a burn wound escharotome for surgical debridement, which relates to the technical field of escharotomes. It includes a housing, an escharotome surface fixed at the bottom of the housing and in an arc shape, a motor arranged at the top of the housing, and a partition fixedly connected inside the housing. It also includes an escharotome head exposed outside the escharotome surface and capable of adaptively adjusting the contraction angle of the cutter head, an oil pressure control component for adaptively contracting the escharotome head based on the arc of the wound eschar, an escharotome driving structure for starting and stopping the rotation of the escharotome head under the control of the oil pressure control component, and a dust suction component fixed at the center of the bottom of the partition. By arranging the escharotome heads in a circular array and rotating them pairwise in opposite directions, the shaking of the skin and the wound eschar along the friction direction of the escharotome heads is offset and reduced, effectively avoiding the continuous tearing between the formation of the wound eschar and the skin tissue, reducing the discomfort of the patient and the risk of secondary injury to the wound caused by the tearing of the connection between the wound eschar and the tissue due to high-speed shaking.

The invention relates to the field of patient burn image recognition, in particular to an intelligent wound recognition and evaluation method for burn plastic nursing. Normal color feature data are obtained through color space features of normal skin; obtaining a pixel point color parameter by combining the difference between each pixel point of the sliding window on the burn area and a normal skin pixel point; obtaining a second-order chromatic aberration according to parameter differences between the pixel points in the sliding window and other pixel points; dividing the image into different color areas; analyzing the overall region edge distance of the regions with different colors, and further obtaining a burn evaluation coefficient; and intelligently identifying the wound according to the coefficient. The method can adapt to the complexity of a burn wound, and intelligently identifies and evaluates the burn recovery condition of a patient in time.

Compositions and methods for treatment of burns and other wounds. A unitary product containing all ingredients of the compositions may deliver composition ingredients to a surface of a burn / wound treatment site. The unitary product may include an ointment. The unitary product may include a cream. The unitary product may include a hydrogel. The compositions may include antibiotic ethacridine lactate. The compositions may include metal-containing species. The compositions may include a moisture-modulating agent. The compositions, when applied to the site, may constitute a barrier overlying the surface. The unitary product may deliver the antibiotic onto the surface. The unitary product may deliver the metal-containing species onto the surface. Each of the antibiotic and the metal-containing species may positively modulate wound bed and perilesional cellular processes supportive of healing. Initial testing and use studies have yielded good wound closures, with minimal-to-no scarring and high regain of function of repaired tissues.

The invention relates to the technical field of burn debridement, in particular to a wound surface removing device for burn and plastic surgery, which comprises a box body, and an opening is formed in one side of the box body; a binding assembly for binding arms of a patient is arranged at the top of the box body; a freezing assembly for freezing a burn wound of a patient, a supporting assembly for supporting the freezing assembly and a limiting assembly for limiting the movement track of the freezing assembly are arranged in the box body; a moving assembly for driving the freezing assembly to move is arranged on one side of the freezing assembly; a driving assembly for driving the moving assembly to move and an auxiliary assembly for assisting refrigeration are arranged on the surface of the box body; the supporting assembly comprises a plurality of supporting plates, and the supporting plates are symmetrically and fixedly connected to the inner top wall of the box body. The refrigeration pad is close to a burn part of a patient, cold air is sprayed through the refrigerator to directly cool a burn wound surface of the patient, so that hardening of attachments on the burn wound surface of the patient is promoted, and the debridement efficiency of medical staff on the burn wound surface of the patient is improved.

The invention discloses a convenient dressing change treatment device for burn wound repair, which comprises a bottom clamping group shell, a corrugated group shell is fixedly arranged at the upper end of the bottom clamping group shell, the corrugated group shell is made of a silica gel material, a top clamping group shell is fixedly arranged at the upper end of the corrugated group shell, and an air hole is formed in the upper end of the top clamping group shell. The bottom clamping group shell is movably connected with the top clamping group shell through a fixing assembly, the bottom end of the bottom clamping group shell is fixedly provided with an attaching bottom group shell, and the inner walls of the bottom clamping group shell and the top clamping group shell are uniformly and fixedly provided with limiting assemblies; dynamic angle adjustment between the bottom clamping assembly shell and the top clamping assembly shell is allowed, the requirement for flexion and extension of finger joints is perfectly met, and the problem of joint stiffness caused by a traditional rigid brace is solved.

The invention relates to a bacteriostatic repair medical gel containing glycosylglycerol and a preparation method thereof, and belongs to the technical field of medical dressings. The gel is prepared by taking glycosylglycerol as a main active component and cooperating with chitosan, collagen, a silver ion antibacterial agent and other components through a specific process. The gel has triple synergistic effects: glycosylglycerol enhances the skin barrier function and provides lasting moisture retention by activating aquaporin; chitosan and silver ions provide broad-spectrum antibacterial activity; and collagen and glucan promote tissue repair and cell proliferation. Experiments show that the antibacterial rate of the gel on common pathogenic bacteria such as staphylococcus aureus and escherichia coli exceeds 99.9%, meanwhile, the wound healing speed can be increased by 40% or above, and the gel is good in biocompatibility and free of skin irritation. The gel can be used for repairing and nursing various skin injuries such as burn wounds, chronic ulcers and surgical wounds.