213 results about "Wound care" patented technology

The present invention concerns extensible absorbent pads for wound dressings. The absorbent pad has a plurality of fenestrations therein, wherein the fenestrations are arranged in a pattern about a central point. The pattern comprises one or more fenestrations having symmetry about a cardinal axis and one or more fenestrations having symmetry about an intercardinal axis, wherein the cardinal and intercardinal axes cross at the central point. The absorbent pads of the present invention can be used in advanced wound care dressing applications where additional stretch and extensibility of the dressing will assist clinicians in applying the dressing to difficult to dress anatomical areas.

The invention relates to a gouty arthritis patient pain management method and system based on an MDT management mode, and the method comprises the steps: automatically collecting the multivariate clinical data of a patient through integrating an existing information system of a hospital, carrying out the cleaning, standardization and structural processing through a special data preprocessing module, and carrying out the cleaning, standardization and structural processing. A machine learning prediction model trained by historical data is utilized to automatically generate a personalized MDT nursing plan, tasks are intelligently distributed to corresponding team members by means of a workflow engine, the execution condition is continuously monitored in the intervention process, and the nursing scheme is dynamically adjusted based on clinical data and prediction results which are periodically updated. And a complete'monitoring-prediction-intervention-reevaluation 'closed-loop management process is formed. The problems that a traditional MDT mode depends on manpower, efficiency is low, and decision-making lacks data support are effectively solved, and the accuracy, the collaboration and the continuity of pain management and wound surface nursing of the gouty calculus combined infection patient are improved.

The invention provides a seawater soaking wound hydrogel dressing and a preparation method thereof, a drug-loaded nano system 4OI (at) ZIF-8 (at) PAD with a core-shell structure is constructed, an anti-inflammatory drug 4-octyl itaconic acid and zinc ions are jointly encapsulated in a ZIF-8 framework, and a polydopamine coating is wrapped, so that synergistic loading and controllable release of the drug and metal ions are realized. According to the dressing, dopamine modified hyaluronic acid is used as a matrix, a temperature-sensitive material and an enzyme catalysis cross-linking system are combined, stable gel can be rapidly formed in situ within 5 seconds, and the dressing has excellent tissue adhesion performance (the adhesion strength reaches 6.7 kPa). Experiments prove that the hydrogel dressing has the characteristics of broad-spectrum antibiosis, inflammation regulation and control and long-acting release. Animal experiments prove that the healing rate of seawater soaking wounds treated by the dressing on the twelfth day is as high as 95.7% and is remarkably superior to that of a commercial silver ion gel control group, scars are less after healing, and an efficient, safe and easy-to-implement scheme is provided for marine environment wound nursing.

The invention relates to the technical field of medical nursing instruments, in particular to an obstetrical post-cesarean wound nursing device which comprises a binding belt, a binding part is arranged on the binding belt and fixedly connected with a first locking assembly, an abdominal cover belt is arranged between the two ends of the inner edge of the binding belt, and second locking assemblies are arranged at the two ends of the abdominal cover belt. Symmetrical positioning assemblies are arranged on the inner edge wall of the abdominal cover belt and used for positioning the wound position of a puerpera, and anti-skid assemblies are arranged on the surfaces of the positioning assemblies. An adjusting assembly is arranged on the side, away from the abdomen cover belt, of the inner edge wall of the binding belt, in the binding process of the binding belt, when the puerpera sweat, the anti-skid assembly can improve the contact stability of the binding belt and the skin of the puerpera, and the adjusting assembly dynamically adjusts the tightness of the binding belt according to the enhanced binding acting force. By designing a wound covering and positioning structure, a dynamically-adjusted binding contact mechanism and a binding force dynamic compensation mechanism, the technical defect that the nursing belt is loosened due to wound traction and mattress sweat during postpartum movement of a puerpera is overcome.

The present invention discloses an intelligent, bioengineered wound dressing device that utilizes honey bee-derived therapeutic compounds integrated into a programmable, multi-layered delivery structure designed for sustained antimicrobial release and dynamic wound healing modulation. The device features microencapsulated honey, propolis, and beeswax components embedded within a biocompatible hydrogel matrix, supported by a control technique that processes real-time wound data acquired through embedded biosensors. The technique classifies healing phases, detects wound anomalies, and modulates therapeutic release through actuators based on environmental cues such as pH, temperature, and exudate levels. The system further includes a logic control unit capable of adaptive learning, remote data transmission, and wound trajectory logging, ensuring precise, patient-specific therapeutic delivery. By integrating natural antimicrobial agents with intelligent sensing and release architectures, the invention provides a responsive, self-optimizing wound care platform that enhances healing outcomes, reduces dressing intervention frequency, and improves clinical oversight through real-time therapeutic intelligence.

This invention relates to the field of medical dressing technology, and discloses a hydrogel dressing, its preparation method, and its application. The hydrogel dressing is prepared by physical cross-linking of the following raw materials: 6% (w / v) anionic polysaccharide, and 1%-3% (w / v) cellulose derivatives or anionic polymers. This invention provides an advanced hydrogel dressing solution with balanced performance, adjustable function, safety, gentleness, and ease of industrialization, effectively overcoming many limitations of existing technologies and possessing significant application value in wound care.

A wound care assessment system includes an image capturing device and a processor. The image capturing device is for capturing a target wound image data of a subject. The processor is signally connected to the image capturing device and includes an image-labeling module, a pre-processing module and a wound grade assessment model. The image-labeling module is for receiving and analyzing the target wound image data output from the image capturing device. The pre-processing module is signally connected to the image-labeling module. The wound grade assessment model is established by an establishing method of wound grade assessment model, and the wound grade assessment model is signally connected to the pre-processing module. The wound grade assessment model is for assessing a pressure injury stage and a wound bed preparation indicator of a wound of the subject corresponding to the target wound image data.

Disclosed embodiments relate to wound care materials and methods that comprise a self-gelling composition, configured to form a gel upon contacting fluid. The self-gelling composition is a substantially homogeneous mixture, and comprises fluid-absorbent particles loaded with iodine-based antimicrobial agent, a dehydrated hydrogel powder, and a polymer base, configured to allow dispensing the self-gelling composition from a syringe or tube and to prevent the self-gelling composition from gelling prior to contacting fluid. The gel performs one or more of the following tasks during a wear time, when applied at the wound: absorbing fluid or exudate, releasing iodine-based antimicrobial agent, achieving antimicrobial activities at the wound, remaining structurally integral and cohesive, protecting the wound from exposure to microorganisms, and facilitating healing. After a wear time of at least three days, the gel can be removed in two pieces or less and leave less than 5% residue by weight.

An antimicrobial amphiphilic hydrogel composition for use in haemostasis of a wound comprising: a first cross-linkable amphiphilic component, the first amphiphilic component, in its chemically cross-linked state, being a lyotropic liquid crystal and having an ordered nanostructure of hydrophobic and hydrophilic domains, the hydrogel comprising an antimicrobial agent covalently attached to the hydrophilic and / or hydrophobic domains.

The present invention pertains to use of sodium diacetate (NaHAC2) as an antimicrobial agent against bacteria growing in biofilms. The aspects of the invention include a wound care product comprising sodium diacetate, a kit comprising a wound care product, and a method of treating an infected wound.

The invention provides a surgical operation wound drainage and administration device which comprises a sponge imbedding sheet, a plurality of drainage tubes and administration tubes which are distributed in a pairwise staggered mode are arranged in the sheet, and a plurality of drainage holes and administration holes are formed in the peripheries of the drainage tubes and the administration tubes respectively. A main pipe strip perpendicular to the drainage pipe and the dosing pipe is arranged on one side of the sponge imbedding piece, a drainage cavity and a dosing cavity are formed in the main pipe strip, and the drainage pipe and the dosing pipe are communicated with the drainage cavity and the dosing cavity respectively. And the main pipe strip is outwards connected with a liquid outlet pipe and a liquid inlet pipe which are respectively communicated with the drainage cavity and the dosing cavity. The device further comprises a drainage bag communicated with the liquid outlet pipe and a medicine storage tank communicated with the liquid inlet pipe. A piston piece is arranged in the medicine storage tank, high-elasticity compression sponge is arranged on the side, away from the liquid inlet pipe, of the piston piece and stores medicine liquid, air inlet micropores are formed in the end, close to the high-elasticity compression sponge, of the medicine storage tank, and a hole blocking piece is detachably connected to the outer side. According to the device, all-directional and efficient drainage and continuous and uniform drug administration can be achieved, wound impregnation is effectively avoided, and the postoperative wound nursing accuracy and the treatment effect are improved.

The application relates to the technical field of medical dressing preparation, and discloses a hemostatic, healing-promoting and antibacterial foam dressing and a preparation method thereof. The method uses sodium alginate and carboxymethyl chitosan as a composite polysaccharide matrix, mixes the two, adds a calcium chloride solution to crosslink a porous gel support, and then carries out freeze-drying to obtain a porous framework; gelatin and polyvinyl alcohol can be further added to enhance the mechanical strength, zeolite particles loaded with silver ions are added to achieve antibacterial performance, epidermal growth factor release microspheres are added to promote healing, and the dressing can be further subjected to heparinization, plasma surface modification, thrombin addition, salt precipitation pore formation and sterilization treatment. The dressing prepared by the method has the functions of synergistic hemostasis, antibiosis and healing promotion, has good biocompatibility and suitable mechanical strength, and has a simple preparation process, and can be used for various wound care.

The application relates to the field of biological products, in particular to application and application method of glutathione in medical devices or cosmetics, and a medical device / cosmetic containing glutathione, and provides application of glutathione in specific medical devices (such as products for facial superficial dermis injection, products for wound care) and various cosmetics, wherein the amount of glutathione is 0.1-3 wt%, the glutathione is used in combination with sodium hyaluronate at a mass ratio of (0.1-3):(0.6-3), and specific antioxidant components (such as vitamin C, vitamin E, etc.) and chelating agents can be further compounded to form a synergistically stable composite system. The application effectively improves the storage stability of glutathione in the product, and enables the glutathione to be adapted to various application scenes such as injection, wound care and skin care, thereby providing a reliable technical scheme for industrial application of glutathione in the fields of medical devices and cosmetics.

The application relates to a machine learning assisted optimization multifunctional composite hydrogel wound dressing and a preparation and optimization method thereof, and belongs to the hydrogel field. The hydrogel is constructed by ion crosslinking of sodium alginate and calcium ions and chitosan quaternary ammonium salt, and a chemical crosslinking network formed by polyacrylamide is interpenetrated with the network. The hydrogel has high water absorption, strong antibacterial property, reliable adhesion, sensitive strain sensing property and excellent mechanical property, and provides ideal healing for wounds. The method innovatively integrates machine learning intelligent optimization: by establishing a formula-process-performance database, training a Gaussian process regression prediction model, and adopting a Bayesian optimization algorithm for global optimization, optimal preparation parameters for specific performance requirements are efficiently and accurately determined. The method breaks through the traditional trial-and-error development mode depending on experience, realizes high performance, customization and rapid development of the hydrogel dressing, and provides a new paradigm for design and preparation of a new generation of wound care products.

The present invention relates to a wound care kit (1) equipped with a peripheral venous catheter (2) but without a needle, and to a method for preparing this wound care kit (1) prior to wound treatment. Figure for the abstract: Figure 1

The application discloses a skin wound nursing device, belonging to the technical field of wound nursing, which comprises a nursing and cleaning seat, a wound nursing cover body connected to the nursing and cleaning seat through a sliding connecting piece, a cleaning groove arranged in the nursing and cleaning seat, a circulating flushing assembly arranged in the cleaning groove, conveying side seats arranged on the two sides of the wound nursing cover body, a spraying and moving inner ring connected to the conveying side seats through an electric sliding rail assembly, and a plurality of mist sprayers arranged in the spraying and moving inner ring. When a large-area wound is cleaned, the nursing and cleaning seat and the wound nursing cover body arranged in sliding mode can achieve the effect of automatic cleaning and disinfection, and the wound can be automatically smeared with medicinal liquid through the wound nursing cover body above the nursing and cleaning seat after cleaning, so that the sanitary safety during the whole wound nursing process is ensured, the wound is prevented from being infected, the work intensity of medical staff is remarkably reduced, and the wound nursing efficiency is improved.

The invention belongs to the technical field of medical wound nursing materials, and discloses a conductive nanofiber aerogel for wound repair and seepage monitoring, a raw material and a preparation method, the conductive nanofiber aerogel comprises a matrix and a conductive material dispersed in the matrix; the preparation method comprises the following steps: mixing and stirring deionized water, methacrylated sodium alginate and EDOT to obtain an emulsion, controlling the EDOT in the emulsion to be oxidized into PEDOT, and removing unreacted EDOT and deionized water to obtain the conductive material. Performing liquid nitrogen freezing and freeze drying on the aqueous dispersion in which the nanofiber (containing the first methylacryloyl polymer) and the conductive material are dispersed and the second methylacryloyl polymer is dissolved at the same time to obtain an intermediate product, and initiating double bonds in methylacryloyl groups contained in the intermediate product to perform cross-linking reaction, so as to obtain the conductive nanofiber. The conductive nanofiber aerogel is obtained. The product provided by the invention has good wound repairing and seepage monitoring performance, and can play a high-efficiency role in the field of high-seepage wound application.

The invention discloses cardiac postoperative wound nursing equipment, and belongs to the technical field of cardiac intervention postoperative nursing. A connecting and supporting mechanism for supporting and mounting the arm fixing mechanism is mounted on the mounting frame; an arm fixing mechanism for positioning and fixing arms of a patient is mounted on the connecting and supporting mechanism; a locking mechanism used for being connected with a sickbed is installed on the installation frame. The connecting and supporting mechanism comprises a hinging assembly, a limiting assembly and an arm rotating assembly; the number of the limiting assemblies is two. The limiting assembly and the mounting frame are both connected with the hinge assembly; the limiting assembly is connected with the arm rotating assembly; the arm rotating assembly is connected with the arm fixing mechanism. By means of the mode, a patient can freely change the bending degree between the large closed forearms when the arms are fixed, the comfort degree of the patient is improved, and meanwhile blood circulation of the arms of the patient is facilitated.

The present application relates to the technical field of nursing, solve the existing wound nursing device pressure degree and time uncontrollable, the sealing property of the edge of the patch is lost in the compression, the problem of poor disinfection effect, disclose a kind of wound nursing device for kidney puncture, including patch base sheet, fixed band and compression component, fixed band is cross type fixed in the outside of patch base sheet, compression component is located at the center of patch base sheet;Patch base sheet is composed of elastic layer and adhesive layer, patch base sheet is equipped with waterproof coating outside;Compression component includes cylindrical shell, pressing block, first spring, shell is equipped with axial sliding hole, pressing block is equipped with pressing column on top, pressing block lower end surface is equipped with sterile cotton pad, pressing block is equipped with release mechanism, limiting mechanism.The present application guarantees the reliability of hemostasis, maintains the persistent waterproof and antibacterial barrier, improves disinfection time.

The present invention relates to a peelable wound dressing system configured to maintain a controlled wound environment while enabling repeated access for treatment. The system includes a flexible base layer adhered to skin and a transparent peelable cover affixed by a resealable attachment mechanism. The cover is configured for multiple peel-and-reseal cycles, permitting wound inspection and treatment without removing the base layer. Optional features include antimicrobial agents in the base layer, anti-fog treatments in the cover, perforations or catheters for exudate drainage, and access pathways for lavage, infusion, or drug delivery. In some embodiments, sensor networks and wireless communication circuits are integrated into the cover or base to monitor wound and skin parameters, with power supplied by micro-batteries, passive RFID / NFC, or energy-harvesting elements. These features collectively improve infection control, visualization, treatment access, monitoring, and extended wear, addressing critical unmet needs in human and veterinary wound care.

The application provides a radiation sterilization method of a disposable polyvinyl alcohol foam wound care material. It relates to the field of medical devices. The method comprises the following steps: placing the disposable polyvinyl alcohol foam wound care material in a sterilization chamber to obtain the sterilized disposable polyvinyl alcohol foam wound care material; packaging the sterilized disposable polyvinyl alcohol foam wound care material into a packaging box in a sterile environment; placing the packaging box into a cargo box, and placing the cargo box on a lifting tool, which is operated to a radiation area by an automatic transmission system; performing multiple cyclic radiations in the radiation area to obtain the re-sterilized disposable polyvinyl alcohol foam wound care material, and the radiation dose of the multiple radiations is required to be 25.0-40.0 kGy. The method can realize multiple sterilization of the disposable polyvinyl alcohol foam wound care material and improve the sterilization effect.

The invention discloses an orthopedic patient wound nursing method based on visual image processing, and relates to the technical field of wound nursing, and the method comprises the following steps: constructing a patient information database for orthopedic patients based on basic information of the patients, and recording the basic information of the patients and wound information, acquiring daily images of the orthopedic patient after wound suture through image acquisition equipment, and recording the daily images in a patient information database; for a wound image in a patient information database, feature pixels of the wound image are extracted and projected into a blank image, and initial wound line pixels and initial thread end line pixels are calibrated for an initial image; numbering the thread ends and recording initial thread end line pixels and the number of the pixels and initial wound line pixels and the number of the pixels; the wound healing state is monitored through visual image processing, the stitch removing opportunity is dynamically judged, the individual difference of patients is adapted, and the wound nursing efficiency of the orthopedic patients is improved.

The present application belongs to the field of organic functional molecule synthesis and antibacterial hemostatic medical materials, and particularly relates to an organic adhesive with antibacterial function and a preparation method and application thereof. The organic adhesive is a guanidinium cation modified polysiloxane. The adhesive is prepared by introducing guanidinium cation groups into the polysiloxane structure based on molecular design and chemical synthesis. The adhesive exhibits excellent adhesion performance in various environments and can exhibit strong adhesion on substrates such as metals, glasses and biological epidermis. The adhesive can automatically debond according to the required time in a wet environment such as underwater, and can be immediately debonded using a mild solvent. The adhesive also has a significant bacteriostatic effect and rapid hemostatic ability, and is suitable for scenarios such as wound bacteriostatic hemostasis, wound tissue repair, wound care and on-demand debonding of wound adhesive or dressing.

Disclosed are adhesive medical films incorporating one or more cationic steroidal antimicrobial (CSA) compounds. The adhesive medical film is in the form of a tape, dressing, or sheet, configured for contact against dermal tissue to provide securement of medical devices, wound care, wound closure, and / or scar prevention. The adhesive medical film includes (i) a polymer adhesive (e.g., pressure-sensitive adhesive) in which one or more CSA compounds are distributed, and (ii) optionally, a backing substrate upon which the polymer adhesive is disposed. Examples of polymer adhesives include polyacrylate and silicone adhesives. The adhesive medical films, when used, reduce microbial colonization and / or growth, both on the films during storage and at a dermal site, as compared to the same adhesive medical film without incorporated CSA compounds.

The invention belongs to the technical field of nursing dressings, and particularly relates to a gel dressing for wound nursing and a preparation method thereof. The gel dressing for wound care is prepared from the following raw materials in parts by weight: 2 to 10 parts of sodium alginate, 1 to 20 parts of gelatin, 1 to 3 parts of a nano compound and 1 to 3 parts of glycerol, the nano-composite is prepared from nWH and GA (Glycolic Acid); zinc ions and gallic acid are released preferentially in the wound inflammation period, and the antibacterial and antioxidant effects are achieved rapidly; calcium, phosphorus and magnesium ions are released in the later healing stage, and immunoregulation and tissue regeneration are promoted; meanwhile, the nano-composite is combined with sodium alginate and a gelatin hydrogel matrix, a hydrogel network provides a uniformly dispersed stable carrier for the nano-composite, and an ideal wet healing environment is created for the wound due to the excellent liquid absorption, water retention and air permeability of the hydrogel network; and the gelatin component endows the dressing with excellent cell adhesion.

The utility model discloses a pediatric wound protection nursing patch, and belongs to the technical field of medical instruments. The protective nursing patch comprises a patch body, an absorbent cotton part which is fixedly arranged on one side of the patch body and is used for nursing a wound, and sticking layers which are fixedly arranged on the patch body and correspond to the two sides of the absorbent cotton part and are used for fixing the patch body on the wound; the protective nursing patch further comprises a containing groove and an interesting structure, wherein the containing groove is formed in the other side of the patch body and corresponds to the absorbent cotton part, and the interesting structure is arranged in the containing groove and used for increasing interestingness. According to the pediatric wound protection nursing paste, the interesting structure formed by combining the tearable part, the interesting pattern and the protruding structure is arranged in the containing groove, so that the protection nursing paste meets the wound nursing requirement, meanwhile, interestingness and interactivity are increased, the attention of children can be dispersed, and the pediatric wound protection nursing paste is suitable for being popularized and applied. The attention of the children on the pain and discomfort of the wound is relieved, so that the adaptability of the children in the wound nursing process is improved.

The utility model discloses a flushing and drainage plugging device, which belongs to the technical field of wound nursing and comprises a mounting tube component for flushing and drainage, a locking and sealing component for sealing a gap between the mounting tube component and filling foam is mounted on the mounting tube component, and the mounting tube component comprises a flushing tube and a drainage tube. A flow adjusting assembly used for adjusting the flow is installed on the flushing pipe, the two sets of locking and sealing assemblies are arranged on the flushing pipe and the drainage pipe respectively, and each sealing assembly comprises an installation sleeve and a fixing sleeve. By means of the mode, through the arrangement of the locking and sealing assembly, gaps between the pipe walls of the flushing pipe and the drainage pipe and the hole walls of the holes in the foam are effectively sealed, and meanwhile the flushing pipe and the drainage pipe are fixed in the holes in the foam; and through the arrangement of the flow adjusting assembly, the flow of the flushing liquid in the flushing pipe can be adjusted and controlled.

The utility model relates to the technical field of medical care, and particularly discloses a wound care cleaner which comprises a cabinet body, universal wheels are rotatably connected to four corners of the bottom of the cabinet body, two door plates are hinged to the outer side of the cabinet body, a workbench is fixedly connected to the top of the cabinet body, a cleaning pool is slidably connected to the interior of the workbench, and a cleaning liquid box is fixedly connected to the interior of the cabinet body. The top of the cleaning liquid box is fixedly connected with a water pump, the input end of the water pump is fixedly connected with an input pipe, the output end of the water pump is fixedly connected with a telescopic pipe, the end, away from the water pump, of the telescopic pipe is fixedly connected with a spray head, and a temperature adjusting mechanism is arranged in the cabinet body. Cleaning liquid is heated to keep the temperature of the cleaning liquid close to the temperature of a human body, the comfort level of a patient during use is improved, the warm environment can accelerate blood circulation, accordingly, healing and recovery of a wound are facilitated, and the use effect of the device is improved.

The utility model relates to a kind of wound elastic dressing device, the wound elastic dressing device can complete the fixing of the fixed component itself, i. e. the fixed component itself can complete the fixing of the fixed component, so that the wound surface of the fixed component is driven to the wound surface of the fixed component, and the fixing process can be completed by the adhesion of the first magic tape and the second magic tape. In this way, the wound surface can be treated without being adhered to the skin, which eliminates the secondary damage to the wound surface during wound care, so that it can adapt to a larger wound surface. At the same time, since the fixing can be completed without being adhered to the skin, the formation of the adhesive surface with poor air permeability between the product and the skin is avoided, thereby avoiding discomfort on the adhesive surface and improving the use comfort of the product. In addition, different sizes of dressing components can be used for different wounds, which improves the application range of the product.

The utility model discloses a cardiac surgery postoperative wound pressurizing nursing belt, which relates to the technical field of medical nursing and comprises a pressing plate and straps arranged on two sides of the pressing plate, and a plurality of groups of pressurizing air bags are arranged on the pressing plate. The side face of the pressing plate is provided with an inflation inlet used for inflating the pressurizing air bag, and the outer side of the inflation inlet is rotationally sleeved with an air inlet. A plurality of groups of air inflation holes are formed in the air inflation port, and the air inflation holes are communicated with the pressurizing air bag through air delivery pipes; a group of air inlet holes corresponding to the inflation holes are formed in the bottom of the air inlet; an annular positioning seat is fixed to the middle of the inflation inlet, and a wavy guide groove is formed in the inner side of the positioning seat. A guide seat is mounted on the air inlet, and the guide seat is connected into the positioning seat through a reset spring; a guide pin clamped in the guide groove is arranged on the side surface of the guide seat; the specific air bag is independently inflated or deflated by adjusting the states of the inflation inlet and the air inlet.