Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

270 results about "Wound care" patented technology

Self-adaptive analysis nursing method based on wound image

The invention discloses a self-adaptive analysis nursing method based on a wound image. The method comprises the following steps: S1, acquiring multi-modal image data of a wound; s2, performing fusion processing on the acquired multi-modal image data to generate a fused image; s3, analyzing the fused image by using a deep learning target detection model, identifying boundary, type, area and depth information of the wound, and forming a wound information set; s4, according to the identified wound information set, combining the physical condition data of the patient, and generating a model through a self-adaptive nursing strategy to formulate a personalized nursing scheme; s5, in the nursing process, the change condition of the wound is monitored in real time, the multi-modal image data are collected again at regular intervals, the steps S2 to S4 are repeated, and the nursing scheme is dynamically adjusted according to a new analysis result. According to the method, wound information is accurately obtained, a personalized nursing scheme is formulated, dynamic adjustment is achieved, and the accuracy, effectiveness and intelligent level of wound nursing are remarkably improved.
Owner:SANYA CENT HOSPITAL (THE THIRD PEOPLES HOSPITAL OF HAINAN PROVINCE)

Intelligent wound nursing system

The invention relates to the technical field of medical instruments, in particular to an intelligent wound nursing system which comprises a dressing body, and the dressing body comprises a skin-friendly layer, a functional layer and a protective layer. A monitoring module, a control module, a medicine leading-in module, a flexible circuit layer and an alarm module are integrated in the functional layer. According to the method, the infection misdiagnosis rate is reduced through multi-sensor fusion monitoring and a preset infection risk threshold algorithm; according to the design, the micro-fluidic chip and the biological probe are integrated in the percolate component sensor, so that the infection detection rate is increased; a temperature-sensitive hydrogel micro-valve array and nanofiber membrane slow release technology is adopted, so that medicine waste or poor treatment effect is reduced; through a multi-sensor data fusion algorithm, the detection accuracy is improved; the layout of the micro-valve array and the annularly distributed independent medicine storage cavities is adopted, so that the release error is reduced; through the ultrathin flexible framework, the snakelike wiring circuit and flip chip packaging, circuit breakage is avoided, and the clinical failure rate is reduced.
Owner:THE AFFILIATED SIR RUN RUN SHAW HOSPITAL OF SCHOOL OF MEDICINE ZHEJIANG UNIV

Wound flora monitoring method and system

The invention relates to the technical field of wound nursing, and discloses a wound flora monitoring method and system. The method comprises the following steps: acquiring wound physiological characteristic parameters, real-time flora monitoring data and multispectral imaging data, and constructing a three-dimensional flora distribution model and an initial flora dynamic model after preprocessing; applying metabolism and environmental conditions to obtain a comprehensive model and flora dynamic coupling data; training a flora classification model to obtain abnormal characteristic parameters; simulating abnormal evolution of flora to obtain information such as diffusion trend; constructing an optimization model to determine the optimal configuration of the monitoring device; and adjusting a monitoring strategy based on the risk grading model. The system comprises a data acquisition module, a model construction and analysis module, a flora classification module, a simulation analysis module, a configuration optimization module and a risk regulation module. Through multispectral imaging, dynamic modeling and an intelligent algorithm, accurate monitoring and risk regulation and control of wound flora are achieved, infection early warning timeliness and monitoring efficiency are improved, and the method is suitable for clinical wound nursing.
Owner:MEI HOSPITAL UNIV OF CHINESE ACAD OF SCI

Absorbent pads for wound dressings

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.
Owner:MEDTRADE PROD

Responsive release microcapsule as well as preparation method and application thereof

The invention relates to the technical field of wound care, in particular to a responsive release microcapsule as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, dissolving a polylactic acid-glycolic acid copolymer in an organic solvent, adding an emulsifier, and carrying out ultrasonic emulsification to form a water-in-oil emulsion; s2, mixing a polyphenol compound, elastin, vegetable fat and probiotic suspension to form a quaternary mixed solution, slowly dropwise adding the quaternary mixed solution into the water-in-oil emulsion, continuing ultrasonic emulsification to form multiple emulsion, and evaporating to remove an organic solvent to obtain a quaternary system active component mixed solution; and S3, dissolving PDMAEMA in deionized water, adding a cross-linking agent, stirring, slowly dropwise adding the quaternary system active component mixed solution, carrying out a cross-linking reaction, and freeze-drying to obtain the responsive release microcapsule. The microcapsule can accurately release corresponding active ingredients according to pH value changes in different stages of wound healing, effectively shorten the wound healing time, improve the healing quality and reduce scar formation.
Owner:SHAANXI BAIJI BIOLOGICAL RESEARCH & DEVELOPMENT CO LTD

Gouty arthritis patient pain management method and system based on MDT management mode

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.
Owner:JIANYANG PEOPLES HOSPITAL

Seawater soaking wound hydrogel dressing as well as preparation method and application thereof

PendingCN121796672ABroad spectrum antibacterialHas inflammation regulationBandagesWound carePharmaceutical Substances
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.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY SPECIAL MEDICAL CENTER

Wound nursing device used after cesarean in obstetrical department

PendingCN121242804ATourniquetsCesarean BirthNursing care
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.
Owner:XINXIANG CENTER HOSPITAL

Wound surface nursing dressing after gynecological operation and preparation method thereof

The invention belongs to the technical field of medicines, and particularly relates to a gynecological postoperative wound nursing dressing and a preparation method thereof. The wound surface nursing dressing after the gynecologic operation is prepared from the following components in percentage by mass: 0.002 to 0.004 percent of stem cell factor freeze-dried powder, 0.005 to 0.01 percent of phosphoethanolamine, 0.05 to 0.1 percent of cecropin antibacterial peptide, 0.03 to 0.08 percent of aralia elata acid, 2 to 6 percent of carboxymethyl chitosan, 0.1 to 0.5 percent of polyethylene glycol, 0.5 to 1.5 percent of glycerol and the balance of water. The wound dressing not only can inhibit the growth of harmful bacteria, but also does not influence the growth of beneficial bacteria such as lactobacillus, is beneficial to the stabilization and regulation of genital tract micro-ecology, creates a healthier and more stable environment for wound healing, plays a role in the wound repairing process, accelerates wound healing and shortens the treatment time.
Owner:HUZHOU MATERNAL & CHILD HEALTH HOSPITAL (HUZHOU WOMEN & CHILDRENS HOSPITAL HUZHOU FAMILY PLANNING TECH SERVICE CENT)

Sterile Non-Adherent Contoured Dressing / Bandage for Breast Cancer Radiation Treatment

The present invention relates to the improvement of dressings and bandages specifically used for wound care of the breast and underarm post cancer radiation treatment, and general wounds and surgeries affecting the breast. There are known dressings that are limited to square and rectangular shapes, requiring multiple pieces to cover the breast and underarm. There are also known bandages, such as rolled gauze, that require wrapping the entire torso and / or across the shoulders and back to secure the dressings. However, this present invention is a single dressing contoured to the shape of the breast with a top, bottom and sides that extend beyond the affected breast and underarm area. This invention is also a single bandage that is backless, only covering the front and sides of the body, with edges that extend beyond the affected area and lined along the back with silicon that adheres to the unaffected skin.
Owner:BANKS DARNELLA LOUISE

Honey bee-derived bioactive wound dressing with sustained antimicrobial release

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.
Owner:KING KHALID UNIV

A hydrogel dressing, its preparation method and application

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.
Owner:SHENZHEN RUIVITA BIOTECHNOLOGY CO LTD

Wound grade assessment method

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.
Owner:CHUNG SHAN MEDICAL UNIVERSITY

Self-gelling wound contact materials with iodine delivery

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.
Owner:T J SMITH & NEPHEW

Wound care device

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.
Owner:AMFERIA AB

Wound care product

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.
Owner:RIGSHOSPITALET +1

Surgical operation wound drainage dosing device

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.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV

A hemostatic, healing-promoting, antibacterial foam dressing and a method for producing the same

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.
Owner:CHANGZHOU MAJOR MEDICAL PROD CO LTD

Use of glutathione in medical devices / cosmetics, medical devices / cosmetics and method of use

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.
Owner:SHANDONG JINCHENG BIO PHARMA CO LTD

A machine learning assisted optimized multifunctional composite hydrogel wound dressing and its preparation and optimization method

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.
Owner:XIAMEN UNIV

Antibacterial polyurethane foam dressing as well as preparation method and application thereof

The invention discloses an antibacterial polyurethane foam dressing as well as a preparation method and application thereof, and is characterized in that the dressing is of a multi-layer structure, the outer layer is a polyurethane foam layer, and the inner layer is a chitosan-based adhesive layer; the polyurethane foam layer is prepared from the following components in parts by weight through a foaming process: 100 parts of polyether polyol, 40-50 parts of polyisocyanate, 50-70 parts of a foaming agent, 0.2-0.4 part of a catalyst, 0.02-0.3 part of a foam stabilizer and 0.1-0.9 part of antibacterial alcohol; the chitosan-based adhesive layer is prepared by dissolving and cross-linking the following components in parts by weight: 50-100 parts of chitosan, 200-300 parts of deionized water, 5-10 parts of a cross-linking agent, 3-8 parts of a plasticizer and 0.5-2 parts of antibacterial alcohol, can be used for preparing medical dressings and wound care products, and has the advantages of mechanical support and continuous bacteriostasis functions.
Owner:NINGBO MEDICAL CENT LIHUILI HOSPITACL

Care set

ActiveFR3164629B3VeinWound care
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
Owner:VAN MEY MED

A dermatological wound care device

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.
Owner:JILIN ACAD OF TRADITIONAL CHINESE MEDICINE

Conductive nanofiber aerogel for wound repairing and seepage monitoring, raw materials and preparation method

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.
Owner:DONGHUA UNIV

Heart postoperative wound nursing equipment

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.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY SPECIAL MEDICAL CENTER

A wound care device for kidney puncture

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.
Owner:张磊

Bandage with peelable cover

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.
Owner:CLEAR CARE PRODUCTS INC

Medical wound care composition based on oligomeric hyaluronic acid and application thereof

The invention discloses a medical wound care composition based on oligomeric hyaluronic acid and application of the medical wound care composition. The medical wound nursing composition can rapidly form a compact protective film on the surface of skin or mucosa, effectively isolate invasion of external substances and reduce irritation and damage of the environment to the skin, the formed film can continuously keep stability for a long time and provide continuous protection, the risk of re-injury of small wounds is reduced, and the wound nursing composition has the advantages of being safe and reliable. The device can be used for auxiliary treatment of wounds, burns, postoperative nursing and various skin diseases, and has wide clinical applicability.
Owner:LIAONING TIANHE BIOTECHNOLOGY RESEARCH INSTITUTE CO LTD

Preparation method of multifunctional fiber patch for bone nail fixation postoperative care

The invention relates to the technical field of medical materials, and discloses a preparation method of a multifunctional fiber patch for bone nail fixation postoperative care. The fiber patch adopts a three-layer composite structure design, and comprises an anti-allergic silica gel substrate layer, a drug-loaded nanofiber functional layer and a waterproof breathable layer. The preparation method comprises the following steps: (1) preparing the anti-allergic silica gel substrate layer from platinum cured silica gel and a pressure-sensitive adhesive; (2) preparing a medicine-carrying nanofiber functional layer containing phellinus igniarius polysaccharide through electrostatic spinning; (3) mixing waterborne polyurethane with polytetrafluoroethylene to prepare a waterproof breathable layer; and (4) sequentially compounding the substrate layer, the functional layer and the waterproof breathable layer into the multifunctional fiber patch. The fiber patch has the comprehensive effects of resisting bacteria, resisting inflammation, resisting allergy and easing pain, meanwhile has excellent air permeability and comfort, can effectively promote postoperative wound recovery and reduce infection risks, is particularly suitable for wound nursing after orthopedic internal fixation, and has remarkable clinical application value.
Owner:BEIJING UNIV OF CHEM TECH

Method of irradiation sterilization of disposable polyvinyl alcohol foam wound care material

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.
Owner:YANTAI CHINA PET HUADA BIOTECHNOLOGY CO LTD