19 results about "BURNING SKIN" patented technology

The invention relates to a monitoring method and device for negative pressure drainage after burn skin grafting, a medium and equipment, and relates to the technical field of negative pressure drainage. The method comprises the steps that at least one actual movement posture of a target patient within a preset duration before the current time is obtained; on the basis of the skin grafting part of the target patient, the actual movement postures, at least one target movement posture where the burn skin grafting patient easily causes loosening of the fit between the dressing and the skin, and at least one corresponding target part, the risk value of loosening of the dressing at the skin grafting part at the current time is determined; and comparing the risk value with a preset risk threshold value, and if the risk value exceeds the risk threshold value, sending a risk prompt to a terminal of a doctor. The negative pressure drainage device has the effect of improving the recovery effect of negative pressure drainage on a patient.

The invention discloses a biological patch material with dry-state adhesion and wet-state easy stripping characteristics and application thereof, and belongs to the field of biological medicine. The biological patch material is prepared according to the following steps: by taking water-soluble protein as a template and copper ions in water-soluble copper salt as a metal coordination center, carrying out self-assembly on the template and drug molecules with phenolic hydroxyl structures to form nanoflowers; mixing the acrylamide, the sodium alginate, the water-soluble calcium salt and the nano-flowers to obtain the water-soluble calcium-based water-soluble nano-flower fertilizer. The biological patch material is adhered to the skin through electrostatic interaction, covalent bonds, physical interpenetration and topological tissues. The patch has skin adhesion in a dry state, so that the patch is convenient to fix; after the patch is in contact with burnt skin, the patch absorbs water and swells, the adhesive force is obviously reduced, and painless, easy and non-invasive stripping is realized. In addition, the patch has immunoregulation performance, can prevent stimulation and anaphylaxis caused by long-term contact with the skin, and promotes burn repair.

The invention discloses a recombinant I-type human collagen, hydrogel and application of the recombinant I-type human collagen and the hydrogel in preparation of a medical beauty filler. The recombinant I-type human collagen with high content of isopeptide bonds and nanocellulose are prepared into the composite hydrogel, and the composite hydrogel has the advantages of high stability, low swelling, high weight guarantee rate, strong adhesive force and hemostasis capability, and has the potential of being used as a skin tissue repair material. And the composite hydrogel can be used for repairing burnt skin, obviously reducing inflammatory response of the burnt skin and promoting wound healing. Besides, the composite hydrogel can also be used as a filler or an inhibitor to be filled in a mouse body, has relatively low inflammatory response, can promote collagen synthesis in the mouse body, can promote blood vessel and bone cell generation through long-term action, further promotes tissue neogenesis, and provides a technical basis for serving as a medical beauty filling material.

The embodiment of the invention provides a real-time processing method and system for rapid identification and filing of emergency patients. Wherein the intelligent medical fabric is worn on the skin surface of a burn patient, reflected light intensity distribution and microvascular pulsation waveforms are captured, and the light transmittance and the sampling frequency are automatically adjusted; the reflected light intensity distribution and the microvascular pulsation waveform are converted into combined parameters and matched, and a grading alarm signal is triggered when a skin tolerance dynamic interval is exceeded; packaging the graded alarm signal and the real-time physical sign data of the patient into a cross-hospital transmission data packet, and sending a data sharing request to a cooperative hospital; performing feature space alignment on the burnt skin allergy feature spectrum to generate a cross-mechanism allergy reaction prediction model; and automatically reconstructing an allergy monitoring file of the burnt patient during detection and transfer. According to the technical scheme provided by the embodiment of the invention, intelligent early warning and dynamic filing of the allergic reaction of the burn patient are realized, and the recognition accuracy and filing efficiency of the emergency patient in an emergency scene are remarkably improved.

The invention relates to the technical field of burn rehabilitation, is used for solving the problem of lack of means for quantitatively detecting the rehabilitation process of burn skin postoperative massage, and particularly provides a burn skin postoperative massage effect evaluation method. According to the method, data images of burnt skin of a patient are collected in real time through a camera, the images are preprocessed and then subjected to image segmentation processing, after the images are segmented into a plurality of small modules, burn degree identification is conducted on the small modules, after identification is completed, an algorithm formula is constructed for data processing, and the average burn degree and the burn uniformity are obtained; therefore, the recovery condition of the burn patient is analyzed.

The invention provides an interphalangeal skin burn rehabilitation limiting device, and relates to the technical field of skin injury rehabilitation auxiliary devices, the interphalangeal skin burn rehabilitation limiting device comprises a bearing support, a protection support, a limiting support column, a limiting support block, a shielding support frame and a shielding support plate; the side face of the bearing support is provided with an assembling side groove. The protection support is installed on the side face of the bearing support. The limiting supporting columns are installed on the side faces of the rotating supporting block and the fixed carrying block. The limiting supporting block is arranged on the top of the bearing clamping block. The shielding support frame is arranged on the outer sides of the bearing support and the protection support in a sleeving mode. The shielding support plate is mounted on the inner side of the shielding support frame; a rotating adjusting worm is matched with an adjusting worm gear to drive a rotating supporting block to perform rotating adjustment at a fixed angle, a limiting supporting block is matched with a positioning carrying frame to position and support the fingers of a patient, and a binding supporting column is matched with an elastic binding band to limit and bind the positioning and supporting of the fingers of the patient; the problems that dressing bandaging air permeability is poor, bandaging objects are prone to being adhered to burn skin between fingers, and secondary injury is caused are solved.

The invention relates to an intradermal swelling liquid injection syringe for a skin grafting and taking area of a burn patient, and belongs to the technical field of medical instruments. The injector comprises an injector body and a mounting seat, an outer tube, a slidable needle tube, a piston, a liquid storage cavity, an injection steel needle, a liquid injection valve and a stop valve are arranged in the injector body, and the rear end of the injector body is connected with a distribution module. The first airtight space and the second airtight space are used for controlling piston propelling and needle tube displacement respectively, and needle inserting before injection and stable-pressure output in the injection process are achieved. The mounting seat is used for fixing the syringe on the body surface of a patient, the transparent observation window is arranged at the top and used for monitoring the needle inserting process, the skin-attaching face is made of soft medical materials, and compression on burnt skin is reduced while positioning precision is guaranteed. The system can dynamically adjust the injection speed based on the injection resistance change rate or the tissue tension state, the liquid injection uniformity is improved, and tissue damage is reduced.

The invention discloses an application device for burn wound repair, and belongs to the technical field of burn application equipment.The application device comprises a body surface application layer, a reagent limiting and releasing layer and a medicine storage layer, the body surface application layer is tightly attached to burn skin, net-shaped small holes are formed in the body surface application layer, the reagent limiting and releasing layer is arranged above the body surface application layer, and the medicine storage layer is arranged above the reagent limiting and releasing layer. The body surface pasting layer is fixedly connected with the reagent limiting and releasing layer, and the medicine storage layer is connected with the reagent limiting and releasing layer. In order to overcome the defects that an existing burn application is inconvenient to change medicine, uneven in medicine absorption, poor in application adaptability and the like, the invention provides the application device for repairing burn wounds, and the problems that secondary trauma is easily caused when a traditional application is replaced, residual medicine affects new medicine effect exertion, and the traditional application is difficult to attach to wounds in different shapes are effectively solved.

The invention provides a skin cleaner for burn and plastic surgery. The skin cleaning device for the burn and plastic surgery department comprises a supporting table arranged on a bottom plate, a water collecting groove is formed in the top of the supporting table, the same moving guide mechanism is fixedly installed above the water collecting groove and the bottom plate, a lying supporting mechanism is arranged on the moving guide mechanism, and the lying supporting mechanism is fixedly installed on the bottom plate. A power mechanism located on one side of the moving guide mechanism is arranged above the supporting table, the power mechanism provides power for the lying supporting mechanism to move on the moving guide mechanism, a water tank is arranged on one side of the water collecting tank, and a cleaning mechanism installed on the top of the water collecting tank in a sliding mode is arranged on one side of the water tank. The skin cleaner for the burn and plastic surgery has the advantages of being convenient to use, capable of being adjusted according to the burn part of a patient and capable of improving the burn skin cleaning efficiency.

The invention relates to the technical field of biomedicine, and discloses an elastic expansion burn skin grafting operation auxiliary device which comprises a screw rod, a distance adjusting mechanism and a crochet hook, the distance adjusting mechanism is in threaded connection to the screw rod, and the crochet hook is detachably installed on the distance adjusting mechanism; according to the auxiliary device for the burn skin grafting operation, by arranging the mounting base, the rotating shaft, the guide block, the sliding frame, the angle adjusting assembly and the height adjusting assembly, the distance between a crochet hook and a screw rod and the included angle between the crochet hook and the screw rod can be changed, and therefore elastic stretching adaptation of plane and curved surface wounds is achieved; precise control over the traction force can be achieved through thread adjustment, blood supply disorder caused by excessive skin traction can be avoided by means of elastic buffering of the springs, and the problem of collision injury when a traditional device is switched between a plane and limb wounds for use is solved.

The invention relates to the field of treatment of severe skin burns, and discloses a device for treating a severe burn patient, a pedal plate is vertically and slidably connected to a bed body, the bed body is provided with a driving part for driving a supporting part to change, and the driving part is linked with the pedal plate; the supporting part comprises a buffering bag installed on the side, close to the pedal plate, in the buffering space and a vent valve installed on the bed body, the driving part is connected with the vent valve and used for controlling the vent valve to be opened and closed, and when a patient treads into the concave position of the pedal plate during treatment, the legs of the patient are supported by driving the pedal plate; therefore, gravity center extrusion of the patient caused by air inflation of the air bags is adjusted, part of gravity is dispersed to the upper limbs of the patient, and at the moment, due to the fact that the patient lies flat on the bed body and the air bags in the interval spaces are in the air inflation state, friction between the patient and the bed body is avoided, and the patient does not tend to slide on the bed body. The secondary friction of the burnt skin of the patient is effectively prevented, so that the hidden danger of secondary injury of the burnt skin of the patient is avoided.

The invention belongs to the technical field of skin medicine application devices, and particularly provides a burn skin nursing medicine application device which comprises a housing mechanism, a supporting frame is arranged in the middle of the housing mechanism, a springing type push plate mechanism is slidably arranged in the supporting frame, and an overturning type application mechanism is rotatably arranged on the springing type push plate mechanism; according to the medicine application device for burn skin care, ventilation drying and continuous moisturizing application can be achieved, the pre-acting principle is adopted, ventilation and sealing of the inner space of the supporting frame are controlled through the ventilation mechanism, ventilation of an affected part is kept during cold compress, and accumulated water, moisture and skin frostbite are avoided; moist application is kept during medicine application, water loss is reduced, the medicine effect is guaranteed, healing is accelerated, and the infection risk is reduced; in addition, a wearable structure is combined with an elastic push plate mechanism, so that dressing change operation is simple, and the use convenience and comfort of the patient are improved.

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

The invention relates to a mechanical arm control technology, and discloses a path planning method of a mechanical arm for massaging burnt skin, which comprises a pressure control module, a path planning module, a motor driving module and an error correction module. The pressure control module and the motor driving module achieve control over pressure and the pose of the mechanical arm through closed-loop design, and the precision and the anti-interference capacity are improved. The path planning module uses an RANSAC algorithm and mechanical arm pose requirements of discrete path points obtained through path fitting to obtain inverse kinematics through a numerical method, and the rotation angle of each motor is obtained; the error correction module achieves smooth and stable operation of the mechanical arm through methods such as PID control. Through the combination of the modules, the mechanical arm can automatically massage a burnt part, and the mechanical arm can replace part of the requirement for manual massage due to burn, and has a good medical instrument application prospect.

The present invention discloses a recombinant human type I collagen, a preparation method and an application thereof in the preparation of medical aesthetic fillers. The recombinant human type I collagen with a high content of isopeptide and nanocellulose are prepared into a composite hydrogel, which has high stability, low swelling, high weight retention rate, strong adhesion and hemostasis, and has the potential to be a skin tissue repair material. In addition, the composite hydrogel can be used to repair burned skin, significantly reduce the inflammatory response of burned skin, and promote wound healing. In addition, the composite hydrogel can also be used as a filler or inhibitor to be filled in mice, has a lower inflammatory response, and can promote collagen synthesis in mice, promote angiogenesis and bone cell generation in the long term, and then promote tissue regeneration, providing a technical basis for it as a medical aesthetic filling material.

The invention relates to the field of skin grafting auxiliary devices, in particular to a skin burn skin grafting plastic auxiliary device and a using method.The skin burn skin grafting plastic auxiliary device comprises an auxiliary support, transverse plates are fixedly connected to the two sides of the auxiliary support, base plates are movably connected to the bottoms of the transverse plates, and adjusting screw rods are rotatably connected to the tops of the base plates; and the upper parts of the adjusting screw rods are in threaded connection with the middle parts of the corresponding base plates. The skin grafting plastic auxiliary device for skin burn is composed of an adjusting mechanism and a transferring mechanism. By shifting an adjusting ring on the adjusting mechanism, the adjusting mechanism drives two main winding rollers on the transfer mechanism to move oppositely, then pull ring rods are pulled to enable needle heads to stretch out of the corresponding main winding rollers and slave winding rollers to position the skin needing to be transplanted, then the two main winding rollers move relatively and rotate to wind the skin, and then the skin is transferred to the transfer mechanism. After moving to a burn position of a patient and reversely rotating the adjusting ring to unfold the skin, the device can be quickly applied to the burn position, and is convenient to use.

The invention provides a skin repair liquid containing stem cell factors and a preparation method thereof. The skin repair liquid comprises, by weight, 8 to 12 parts of stem cell factors, 30 to 40 parts of chitosan hydrogel, 12 to 16 parts of Centella asiatica extract, 4 to 8 parts of Coptis chinensis extract, 4 to 12 parts of polyethylene glycol, and the balance is deionized water. The skin repair liquid has high safety and biocompatibility, is non-irritating and has no side effects, is suitable for people of various skin types and age groups, has the advantages of comprehensive repair, strong pertinence, significant effect and high safety, can meet the needs of burn skin repair, and provides a new choice for burn patients.

The utility model relates to medical instrument technical field, specifically disclose burn skin grafting operation water injection system, include: water injection subassembly and assemble in the water injection subassembly one side's tee pipe subassembly and assemble in the tee pipe subassembly top's liquid supply subassembly, the water injection subassembly includes support frame, the top fixed mounting of support frame has the limit bush, the inside installation of limit bush has syringe, the one side sliding installation of support frame has auxiliary rod, the top fixed mounting of auxiliary rod has the clamping seat corresponding with syringe, the tee pipe subassembly includes the delivery pipe intercommunication in syringe one side, the one side of delivery pipe has and inserts the injection needle, the utility model discloses can automatically absorb physiological saline in the liquid storage bag into syringe to complete the liquid supplement operation, can continue to water injection to the skin grafting position, can quickly complete water injection operation and save time and labour, bring more convenience for use.

The present application relates to the technical field of biological medicine, in particular to a cell membrane biological dressing for treating skin injury and a preparation method thereof. The present application provides a cell membrane biological dressing, which comprises a fibroblast cell membrane, an epidermal cell membrane, a hydrogel nutrition layer and a breathable dressing. The fibroblast cells and the epidermal cells are prepared into cell membranes, and the cell membranes are combined with the hydrogel nutrition layer to form a novel biological dressing. The cell membranes can be directly applied to the burn skin wound to promote wound healing, and are good skin substitutes.