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36 results about "Skin sensitization" patented technology

Skin sensitization, n an allergic reaction to a particular irritant that results in the development of skin inflammation and itchiness. Unlike skin irritation, the skin becomes increasingly reactive to the substance as a result of subsequent exposures.

Novel medical application adhesive tape

ActiveCN223979902UBandagesSkin sensitizationAdhesive belt
The utility model provides a novel medical application adhesive tape which comprises a base layer and further comprises an adhesive layer with one side adhered to the base layer and release paper separably adhered to the other side of the adhesive layer, a plurality of transverse tearing lines and longitudinal tearing lines are arranged on the release paper, and base layer tearing lines corresponding to the longitudinal tearing lines are arranged on the base layer. A plurality of air holes are formed in the base layer in an array mode, the base layer is coated with the adhesive layer in a latticed mode, the adhesive layer is arranged to avoid the air holes, the base layer is coated with the adhesive layer in a rectangular latticed mode, and the air holes are formed in the base layer in a rectangular array mode. The novel medical application adhesive tape provided by the utility model not only is safe and reliable to paste wounds at different parts, has a better using effect, but also has better air permeability, and relieves uncomfortable symptoms such as skin allergy, redness, itching and the like which are easily caused by long-time use.
Owner:庹红淼

A microstructured hydrogel patch and its preparation method

This invention relates to the field of hydrogel electrode patch technology, and more particularly to a microstructured hydrogel patch and its preparation method, comprising a base layer, a conductive layer, and a hydrogel electrode layer stacked sequentially. The skin-contact surface of the hydrogel electrode layer is arrayed with micro-protrusions, each micro-protrusion having a micro-flared adsorption portion at its end, and an inward-curving portion at the end of the adsorption portion. A mesh-like breathing channel is provided between the micro-protrusions, and a breathable channel is axially opened on each micro-protrusion. A microporous one-way breathing valve communicating with the breathing and breathable channels is provided on the base layer. During preparation, the micro-protrusions and their end structures are formed using a mold, and the breathable channels are constructed. This invention enhances the adhesion between the patch and the skin through the micro-flared adsorption portion and the inward-curving portion, and combined with the breathable structure, improves breathability and wearing comfort, avoids skin allergies, and provides stable signal acquisition, making it suitable for long-term physiological signal monitoring.
Owner:北京中器华康科技发展有限公司 +2

Navel patch

ActiveCN223944769UMedical devicesTherapeutic coolingSkin sensitizationNavel
The utility model discloses a navel patch, which comprises a navel patch body, an adhesive tape, a first adhesive tape and a second adhesive tape, and is characterized in that the navel patch body is provided with opposite inner and outer sides; the medicine core is arranged in the navel patch body, the medicine core is provided with a protruding part, the protruding part protrudes out of the inner side of the navel patch body, and the protruding part is attached to the navel of a user; and the protective cover is buckled on the navel patch body and covers the convex part of the medicine core. According to the utility model, the warm compress and the medicine core are integrally combined, so that the volatilization of the medicine effect is improved, and the product effect is improved; the protective cover prevents the medicine core from being squeezed in the transportation process and dirt caused in the packaging process, the medicine core is fixed by the breathable protective film, the protective film plays a role in fixing the medicine core and preventing the medicine core from moving, the problem that the medicine core is difficult to clean due to the fact that the medicine core falls into the navel hole is solved, and the breathable holes can effectively keep skin breathable and avoid skin allergy.
Owner:SHANGHAI KERUICHEN TECH DEV CO LTD

Silk fibroin composition for injection and preparation method thereof

PendingCN121754726Aimprove drynessincrease vitalityCosmetic preparationsToilet preparationsSkin sensitizationAllergy
The invention provides a silk fibroin composition for injection and a preparation method thereof, and belongs to the technical field of medical cosmetology. The silk fibroin composition is prepared from the following components in percentage by mass: 0.1 to 0.7 weight percent of hyaluronic acid or salt thereof, 0.1 to 10 weight percent of silk fibroin and the balance of phosphate buffer solution. The silk fibroin composition is used for water-light injection, can promote collagen production and inhibit collagen fibrosis, does not have adverse reactions such as skin allergy, hardening and the like, and has the effects of quickly improving the dry state of skin, fading fine wrinkles or wrinkles, replenishing water, preserving moisture and tightening the skin.
Owner:SHENZHEN SILKINSIDE MEDICAL TECHNOLOGY CO LTD

Depilatory emulsion containing paclitaxel and preparation method thereof

PendingUS20260090965A1Cosmetic preparationsHair removalSkin sensitizationContinuous use
A depilatory emulsion containing paclitaxel is made from the following raw materials: 10% to 20% of oil, 8% to 12% of humectant, 4% to 6% of auxiliary emulsifier, 4% to 6% of emulsifier, 8% to 12% of paclitaxel solution, 0.5% to 1.0% of preservative, 0.01% to 0.05% of mineral, 0.05% to 0.10% of fragrance essential oil, and water for balance. This depilatory emulsion is designed to allow the paclitaxel and other active depilatory components to be absorbed by hair follicles while preventing absorption into dermis, thereby achieving advantages of an effective depilation, safety, absence of odor, reduced risk of skin allergy, and suitability for continuous use. A preparation method of this depilatory emulsion employs stepwise cooling and gradual emulsification to ensure that all components are fully dispersed and uniformly distributed, forming a stable emulsion system, which has advantages of simple steps and good emulsion stability.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Isatis root and indigo antibacterial solid soap and preparation method thereof

PendingCN121825676Aavoid destructionretain biological activitySoap detergents with organic compounding agentsShaping soapSkin sensitizationAllergy
The invention discloses indigowoad root indigo antibacterial solid soap and a preparation method thereof. The indigowoad root indigo antibacterial solid soap is prepared from the following components in parts by mass: 5-30 parts of indigowoad root powder, 1000-1100 parts of soap base and 36-40 parts of coconut oil. The invention relates to the technical field of daily chemicals. According to the indigo indigo antibacterial solid soap and the preparation method thereof, high-purity indigo indigo powder is specially extracted, and a low-temperature cold soap making method is adopted, so that decomposition of indigo indigo and indirubin under high temperature and strong alkali is greatly avoided, and high efficiency of antibacterial and anti-inflammatory biological activity is ensured; impurities in crude indigo naturalis are removed, the risk of skin allergy and friction is reduced, the compounded soap base also makes the soap foam fine and smooth, and the skin is moist and not tight after the soap is used.
Owner:FENGGANG HEWUZHIZHI BIOTECHNOLOGY CO LTD

A marking method of an image positioning patch based on iodine-gallium complex chelate

PendingCN122342841ASkin sensitizationBiocompatibility
The application provides a kind of image positioning sticker marking method based on iodine-gallium complex chelate, through chelation reaction to prepare excellent stability iodine-gallium complex developer, non-woven fabric substrate is modified by chitosan coating, combined with screen printing process to prepare high-precision positioning sticker, and establish standardized clinical marking process. The method uses iodine-gallium double element synergistic development mechanism, so that the CT value of the marking area is 350-400HU, the contrast of the surrounding tissue is improved by 40%, the development clarity retention rate is more than 92% after 48 hours of sticking, the positioning error is stable within 0.3mm, solves the pain points of traditional marking easy diffusion and poor adhesion. The application has excellent biocompatibility, the skin allergy rate is only 0.8%, the single patient positioning operation time is shortened to 5-10 minutes, the production cost is reduced by 40%, can be widely used in precise medical positioning scenes such as tumor radiotherapy and interventional surgery, has significant clinical popularization value.
Owner:PEOPLES HOSPITAL OF XINJIANG UYGUR AUTONOMOUS REGION +1

A method for preparing hypoallergenic agarwood essential oil and its application

ActiveCN121136773BSkin sensitizationProcess engineering
This invention belongs to the field of essential oil preparation technology, specifically relating to a method for preparing hypoallergenic agarwood essential oil and its application. The method involves desensitizing the raw agarwood essential oil obtained by supercritical carbon dioxide extraction. The desensitization process involves heating at low temperature followed by dissolution with water to remove the sensitizing components. The agarwood essential oil prepared by this method can reduce skin sensitization and irritation while retaining the main active ingredients of the agarwood essential oil.
Owner:GUANGDONG QINANXIANG BIOLOGICAL RES CO LTD

Preparation and optimization method of long-acting moisture-permeable anti-allergic electrocardio electrode

ActiveCN120932753BGeometric CADSensorsSkin sensitizationInterface impedance
The present application relates to the technical field of computational theoretical chemistry, and particularly relates to a preparation and optimization method of a long-acting moisture-permeable anti-allergic electrocardio electrode, which comprises the following steps: setting electrode-skin interface stability target parameters; calculating the binding energy strength of each candidate polymer material and the skin stratum corneum, and screening the candidate polymer material meeting the allergic reaction probability threshold; constructing a microporous structure model according to the chemical molecular structure of the candidate polymer material, adjusting the micropore gradient distribution parameters until the simulated sweat diffusion rate reaches the sweat diffusion rate threshold; performing dynamic impedance simulation, and when the detection does not reach the impedance decay rate threshold, re-triggering the adjustment of the micropore gradient distribution parameters; and generating and outputting the physical structure parameter set of the electrocardio electrode based on the micropore gradient distribution parameters and the microporous structure model. Through the present application, the problems of insufficient moisture permeability, electrical signal attenuation and skin allergy risk caused by the conflict between sweat diffusion and interface impedance during the material selection and preparation of the existing electrocardio electrode are effectively solved.
Owner:HANGZHOU INSTITUTE OF OPTICS AND FINE MECHANICS

Infusion sticking film for indwelling needle

ActiveCN223914481UAdhesive dressingsInfusion needlesSkin sensitizationAllergy
The utility model relates to an infusion film for a remaining needle, and aims to solve the problems of the traditional film in the aspects of stability, air permeability, observation convenience, material waste and the like. The sticking film consists of a main sticking film and an extended sticking strip which are fixedly connected into a whole. An observation window groove is formed in the main pasting film, so that medical staff can directly observe the puncture part of a patient under the condition that the pasting film is not removed. The edge of the observation window groove is subjected to smooth treatment so as to reduce irritation to the skin of a patient. Both the main pasting film and the extension pasting strip are made of medical-grade non-woven fabrics or polyurethane materials with low sensitivity and good air permeability, so that the comfort level of a patient is improved, and the risk of skin allergy is reduced. Through the design of the pasting film, the stability is enhanced, the air permeability is improved, the effects of observation convenience and material saving are achieved, and safer, more comfortable and more efficient nursing service is provided for a patient.
Owner:王军苹

Acupoint patch convenient to apply and tear

The utility model relates to the technical field of medicine patches, and discloses an acupuncture point patch convenient to paste and tear, which comprises a positioning frame, a detachable frame is sleeved on the outer surface of the positioning frame, a handrail is inserted in the detachable frame, a tear film is arranged in the detachable frame, and the positioning frame, the detachable frame, the handrail and the tear film are arranged in the detachable frame. The acupuncture point patch is reasonable in structure, medicine in the fixing ring is heated by the heating layer through the breathable layer in the using process, the medicine is volatilized, the breathable layer enables the medicine to be volatilized and breathable, skin allergy caused by stuffiness at the application position due to the fact that the acupuncture point patch is not breathable is reduced, the connecting buckle is in butt joint with the snap fastener, the breathable layer is fixed, and the acupuncture point patch is convenient to use. The problem of displacement of the breathable layer in the using process is solved, the hollowed-out breathable plate is in butt joint and pasted through the pasting layer, the cleaning cloth is folded to be folded into the hollowed-out breathable plate, the cleaning cloth is folded to wipe the pasting position of the cleaning cloth, and the problem that the skin is allergic due to the fact that wiping is not in place is solved.
Owner:SHENZHEN TRADITIONAL CHINESE MEDICINE HOSPITAL

Separation and extraction method of stem cell exosome for skin care

PendingCN121759400ACosmetic preparationsToilet preparationsSkin sensitizationPenicillin
The invention discloses a skincare stem cell exosome separation and extraction method, and relates to the technical field of biological medicine, the skincare stem cell exosome separation and extraction method comprises the following steps: S1, culture of mixed stem cells: unfreezing urine-derived stem cells and pilose antler stem cells, resuspending in an improved DMEM culture medium, and carrying out mixed culture to prepare a mixed culture solution; epidermal growth factors, cholera toxin, penicillin, streptomycin, transferrin, IL-2 and IL-15 are added into the improved DMEM culture medium; s2, pretreatment of the mixed culture solution: performing centrifugal treatment on the mixed culture solution, and separating to obtain a precipitate and a supernatant, the precipitate being mixed stem cells. The urine-derived stem cells and the pilose antler stem cells are subjected to mixed culture and matched with the improved culture medium containing IL-2, IL-15 and other components, so that the yield and biological activity of the exosome are remarkably improved, high purity and low impurity protein residue of the exosome are achieved by means of a complete purification process of multi-step centrifugation, ultrafiltration concentration and filter membrane filtration, and the yield of the exosome is improved. The skin allergy stimulation risk is effectively reduced.
Owner:FUJIAN AIBITI TECH CO LTD

Plant extract compositions, their preparation methods and applications

ActiveCN120884517BCosmetic preparationsToilet preparationsBiotechnologySkin sensitization
This application discloses a plant extract composition, its preparation method, and its application. The plant extract composition is prepared by mixing trumpet creeper alcohol extract, thistle glycerol extract, and cardamom alcohol extract in a mass ratio of 100:(28~305):(28~305). The combination of these three extracts in the composition exhibits a synergistic effect, effectively protecting the skin from UV damage while simultaneously soothing and repairing it, achieving both core benefits and overcoming the limitations of traditional single-herb extraction methods that cannot fundamentally address skin allergies and fragility. Furthermore, the use of alcohol and glycerol extraction methods, compared to the irritating organic solvents used in traditional processes, is more suitable for people with sensitive skin, broadening the product's applicability.
Owner:上海致臻志臣科技有限公司 +1

Preparation method of solanum torvum leaf extract, product and application thereof

PendingCN122123941ACosmetic preparationsToilet preparationsBiotechnologySkin sensitization
This invention discloses a method for preparing tree tomato leaf extract, its products, and applications, belonging to the field of natural product extraction and application. The method involves taking tree tomato leaf powder, using a 60% ethanol aqueous solution as the extraction solvent, extracting at a material-to-liquid ratio of 1:30 g / mL and a temperature of 60°C for 45 min, repeating the extraction twice, combining the two filtrates, concentrating, and drying to obtain the tree tomato leaf extract. This extract is highly enriched with polyphenols, flavonoids, and other active ingredients, exhibiting multiple effects such as antioxidant, anti-inflammatory, tyrosinase inhibition, and promotion of hyaluronic acid synthesis. It has also been confirmed that it has no significant cytotoxicity, phototoxicity, or skin sensitization. Cosmetic compositions containing this extract can effectively improve skin hydration, barrier function, redness, and dullness, and are suitable for preparing multifunctional pharmaceuticals or cosmetics with anti-inflammatory, whitening, moisturizing, and anti-aging properties, providing strong support for the high-value utilization and development of tree tomato leaf resources.
Owner:NUOWEITAI (KUNMING) BIOTECHNOLOGY CO LTD

Low-toxicity and low-sensitization fluororubber watchband adhesive as well as preparation method and application thereof

PendingCN121517838ABraceletsWrist-watch strapsSkin sensitizationRubber material
The invention provides low-toxicity and low-sensitization fluororubber watchband glue as well as a preparation method and application thereof, and belongs to the technical field of rubber materials. According to the technical scheme of the invention, the raw fluororubber is polymerized by adopting the surfactant containing no fluorine element, and meanwhile, the reinforcing filler system is optimized, so that the skin sensitization and stimulation risks are remarkably reduced. The fluororubber watchband adhesive prepared by the preparation method disclosed by the invention shows excellent biological safety in a cytotoxicity test. The invention provides a novel environment-friendly material solution with safety and reliability for the field of wearable equipment, particularly watchband products in long-term contact with human skin, and has definite market application prospect and popularization value.
Owner:四川道弘新材料股份有限公司

Preparation method of a solanum lycopersicum anthocyanin extract, product and application thereof

PendingCN122356178ABiotechnologySkin sensitization
This invention discloses a method for preparing anthocyanin extract from tree tomato, along with its products and applications, belonging to the field of natural plant extraction and application. The method uses tree tomato peel as raw material, employing an acidic ethanol aqueous solution containing 0.5% (w / v) trifluoroacetic acid as the extraction solvent, at a material-to-liquid ratio of 1:30 (g / mL), at a temperature of 50℃, and for 60 minutes to obtain a high-content anthocyanin extract. This tree tomato anthocyanin extract possesses excellent anti-inflammatory, antioxidant, anti-glycation, elastase-inhibiting, and whitening activities, and exhibits low cytotoxicity, no phototoxicity, and no skin sensitization. The efficient and stable anthocyanin extraction process provided by this invention has high extraction efficiency and good enrichment effect of active ingredients, meeting the requirements for subsequent industrial production. The obtained extract has whitening, anti-aging, and anti-inflammatory effects, providing a high-quality raw material and formulation solution for developing multifunctional and highly safe natural plant-based skincare products.
Owner:NUOWEITAI (KUNMING) BIOTECHNOLOGY CO LTD

Novel hair dyeing protection tool

ActiveCN224140337UHair cleaningSkin sensitizationHair Colorants
The utility model discloses a novel hair dyeing protection tool, belongs to the technical field of hair dyeing protection, and aims to solve the technical problem that the face and the neck of a hair dyeing person are easily stained with hair dye in the hair dyeing process in the prior art. The novel hair dyeing protection tool comprises an inner sheath, the inner sheath is of an annular structure and has the flexible characteristic, the inner sheath is provided with a fracture, the two ends of the fracture of the inner sheath are provided with a male connecting lug and a female connecting lug respectively, and the male connecting lug and the female connecting lug are connected so that the inner sheath can be hooped on the head of the human body; and the outer sheath also has a flexible characteristic, the outer sheath is arranged around the outer side of the inner sheath, the bottoms of the outer sheath and the inner sheath are connected into a whole, and the two ends of the outer sheath are respectively connected with the two ends of the fracture of the inner sheath in a closed manner. The novel hair dyeing protection tool has a good hair dyeing protection effect, and solves the problem that the hair dye is easy to drop on the face, neck and other skins of a hair dyeing person to possibly cause skin anaphylaxis.
Owner:CHENGDU OXYFATANG BIOTECHNOLOGY CO LTD

Antibacterial fiber structure and method for producing same

PCT designated stageWO2026058774A1Fibre treatmentSkin sensitizationPolymer science
In order to provide an antibacterial fiber structure that exhibits excellent antibacterial properties, is configured to suppress the risk of skin sensitization, exhibits excellent washing durability, and is also excellent in cost, and to provide a method for producing this antibacterial fiber structure, this antibacterial fiber structure is configured such that an aromatic carboxylic acid (A) is fixed to the fiber structure, the fiber structure contains synthetic fibers, and the content ratio of the aromatic carboxylic acid (A) with respect to the fiber structure is 0.25-10 mass%.
Owner:OSAKA KASEI

Compound with T-type calcium channel inhibitory activity, composition and application and screening method thereof

PendingCN121471068AOrganic chemistryDermatological disorderSkin sensitizationLiposome
The invention discloses a compound with T-type calcium channel inhibitory activity, a composition and application and a screening method thereof, and belongs to the technical field of medical chemistry and biological medicine. The compound takes a 6-isopentenyl isomer of parvacol as a parent nucleus, has excellent inhibitory activity and selectivity through structural optimization design and virtual screening, can improve DHT-induced hair follicle function inhibition or regulate scalp microenvironment calcium steady state, and has a good application prospect. The compound can be used for preparing Cav3 family T-type calcium channel inhibitors and medicines for preventing alopecia and / or promoting hair growth. The compound can be prepared into a solution, a gel, a cream or a liposome in vitro preparation. The compound disclosed by the invention not only has the effects of preventing alopecia, promoting hair growth and the like, but also reduces the risk of skin sensitization and reactivity, and improves the stability and process accessibility of an external preparation.
Owner:NUOWEITAI (KUNMING) BIOTECHNOLOGY CO LTD

Dust removal device for ship heavy industry production and processing

ActiveCN224128182UHuman health protectionDirt cleaningSkin sensitizationAllergy
The utility model belongs to the technical field of ship manufacturing, and particularly relates to a dust removal device for ship heavy industry production and processing, which comprises a box body, a plurality of groups of universal wheels are rotationally arranged at the bottom end of the box body; connecting rods are symmetrically and fixedly connected to the inner side of the box body; through the arrangement of the first dust suction pipe, the second dust suction pipe and the third dust suction pipe, the design is simple and convenient to operate, dust and impurities generated during ship heavy industry production and machining can be sucked, and due to the arrangement of the multiple sets of dust suction ports, the surrounding dust and impurities can be sucked, so that the working efficiency is improved. Dust and impurities can be more effectively sucked and removed through cooperative work of the multiple dust suction ports, the amount of harmful dust sucked by workers is reduced, the risk of diseases such as pneumoconiosis, respiratory diseases and skin allergy is reduced, the dust suction range can be enlarged through the first dust collection cover and the second dust collection cover, and therefore the dust suction effect is improved.
Owner:NING BO DONG HE CHUAN BO XIU ZAO YOU XIAN GONG SI

Static suppression method, clothing treatment apparatus, program product, and electronic apparatus

The invention provides a static suppression method, clothes treatment equipment, a program product and electronic equipment, and relates to the technical field of household appliances. The method is applied to the clothes treatment equipment, the clothes treatment equipment comprises a first container, a hydroxyl generator and a circulating system, and the method comprises the steps that the hydroxyl generator is controlled to operate, and a first medium containing hydroxyl free radicals is generated; the first medium is gas, liquid or a gas-liquid mixture; and controlling the circulation system to operate, so that the first medium is conveyed to the first container filled with the clothes to inhibit static electricity on the clothes. According to the invention, the first medium containing the hydroxyl radicals is adopted to carry out electrostatic suppression on the clothes, no additional chemical substance is needed, the problems of user skin allergy and the like caused by chemical substance residues are avoided, the electrostatic suppression process is free of pollution to the environment, and the clothes can be sterilized.
Owner:NANJING ROBOROCK INNOVATION TECH CO LTD

Processing method of antiskid silk stockings

InactiveCN121369794AMechanical cleaningWeft knittingPolyesterSkin sensitization
The invention discloses a processing method of anti-slip silk stockings, relates to the technical field of silk stockings processing, and aims to solve the problems that anti-slip silica gel layers on existing silk stockings completely block air exchange between skin covered by the anti-slip silica gel layers and the outside, and the wearing comfort and skin health are seriously affected. According to the technical scheme, the manufacturing method is characterized by comprising the following steps that S1, nylon, spandex and polyester fibers are selected as materials for manufacturing the silk stockings, then a circular knitting machine controlled by a high-speed computer is used for knitting the nylon, the spandex and the polyester fibers to form stocking tubes, then one ends of the stocking tubes are sewn to form stocking tips, and therefore the silk stockings are formed. The elastic anti-skid layer allows sweat and water vapor on the surface of skin to evaporate, and a damp and hot environment is prevented from being formed in the welt, so that the risk that the friction force of silica gel is reduced due to damp and hot is remarkably reduced, and the problems of bacterium breeding, skin allergy, redness or itching and the like are effectively solved; and the wearing comfort and the skin health level of the silk stockings are greatly improved.
Owner:YIWU KEFEI CLOTHING CO LTD

A wearable smart voice translation device

The utility model discloses a kind of wearable intelligent voice translation equipment, belong to high-tech field, including voice translation watch, lower frame and two mounting plates, the side surface of two described mounting plates is fixedly connected with heat-absorbing sweat pad, the inner portion of two described mounting plates is respectively provided with limiting slot, the inner wall of two described limiting slot is respectively slidably connected with plug block, two described plug block respectively in the inner wall sliding of two slots;The utility model, by setting heat-absorbing sweat pad, can absorb skin sweat and effectively insulate equipment working heat, reduce the amount of perspiration and sticky feeling from source, reduce bacterial breeding and skin allergy risk;At the same time, after being inserted mounting plate by lower frame bottom mounting groove, push pull handle drives plug block to slide in limiting slot and slot to the direction of far from heat-absorbing sweat pad, can be fixed mounting plate, reverse operation can be quickly disassembled, convenient for regularly cleaning or replacing heat-absorbing sweat pad, guarantee wearing health.
Owner:HEFEI FEIZHI INTELLIGENT TECHNOLOGY CO LTD

U-shaped finger rim ultraviolet protection patch

This utility model discloses a U-shaped finger edge ultraviolet protection patch, including a patch body, a UPF50+ sun protection layer on the patch body, a medical-grade hypoallergenic adhesive layer on the outside of the UPF50+ sun protection layer, and a release paper on the outside of the medical-grade hypoallergenic adhesive layer. The UPF50+ sun protection layer is composed of a single layer of cotton or nylon substrate with a thickness of 0.2-0.5mm and has a U-shaped opening design with an opening width of 5-20mm. The cotton substrate has a plain weave structure with a warp density of ≥180 threads / 10cm and a weft density of ≥160 threads / 10cm. The opening of the UPF50+ sun protection layer unfolds into a double-arm structure. The medical-grade hypoallergenic adhesive layer is medical-grade silicone or polyurethane hydrogel with a thickness of 0.1-0.2mm and an adhesive strength of 5-8 N / cm. 2 S size fits the little finger, M size fits the ring finger, middle finger and index finger, L size fits the thumb, nail edge coverage >95%, UPF50+ base material combined with gradient closing structure, UV leakage rate ≤2%, medical-grade adhesive design, skin allergy rate ≤0.5%.
Owner:廖文谦

Wearable breathable breast protector

ActiveCN223900881UMedical scienceSkin sensitizationSkin contact
The utility model belongs to the technical field of breast protection equipment and articles for daily use, and discloses a wearable breathable breast protector, which comprises a soft silica gel annular seat, a hard hemispherical silica gel protection cover and an adjustable thread gluing elastic band, the hard hemispheroid silica gel protective cover and the adjustable hook and loop fastener elastic band are detachably connected with the soft silica gel annular base. The shape of the protector does not affect the breast skin and damage the dressing appearance of a woman, the protector has a supporting function and a ventilation function, and the protector is comfortable to wear (the contact surface of the protector and the skin is not sharp) and convenient to wear and take off; the protector can be fixed without using a disposable consumable product or a material which is easy to cause skin allergy. The protector can be used for women with breast skin injury, especially lactating women.
Owner:TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE

Traditional Chinese medicine composition with red fading and repairing effects and application of traditional Chinese medicine composition in preparation of cosmetics or medicines

The invention relates to traditional Chinese medicine, in particular to a traditional Chinese medicine composition with red fading and repairing effects and application of the traditional Chinese medicine composition in preparation of cosmetics or drugs, and the traditional Chinese medicine composition for promoting expression of sodium / hydrogen antitransporter 1 comprises the following traditional Chinese medicinal materials or extracts thereof: gentiana macrophylla, fructus cnidii and liquorice. The traditional Chinese medicine composition can up-regulate NHE1 protein expression and recover the normal microcirculation state of skin, and is free of skin sensitization and irritation, excellent in safety and good in compatibility.
Owner:JIANGSU HUAJI BIOTECHNOLOGY CO LTD

Composite dressing provided with rigid base body and fixing device of composite dressing

ActiveCN224155878UAdhesive dressingsTourniquetsSkin sensitizationAdhesive
The utility model relates to a composite dressing with a rigid base body and a fixing device of the composite dressing. The base body is of a sheet structure and is made of nonmetal or plastic metal. Or the composite material consists of a plastic metal framework and a flexible non-metal framework; the front surface of the substrate is a dressing fitting surface, and the back surface of the substrate is provided with a connecting convex ring; the dressing comprises a cotton piece, gauze, non-woven fabric, alginate, hydrocolloid and hydrogel, and the dressing is connected with the base body in a gluing or binding mode; the fixing device comprises a binding belt, the binding belt is composed of a belt body and a buckle body, and the belt body is provided with a connecting hole matched with the convex ring of the base body. The base body and the dressing are far larger than medical cotton swabs, so that enough fault-tolerant redundant space is provided; the rigid base body facilitates hand holding, hand changing and pressing, a common patient can also accurately operate, and effective wound pressing and rapid hemostasis are achieved. The binding belt arranged on the composite dressing can play a role in physical hemostasis through binding pressure during use, so that the composite dressing is firm in connection, avoids skin allergy, cannot adhere to human hair, and is safe and convenient to use.
Owner:SUZHOU BADA INNOVATION TECHNOLOGY CO LTD

Coating composition selection method and system

A coating composition selection method is disclosed. The coating composition selection method includes: a step of receiving components and contents of candidate raw materials of a coating composition through a user input interface; a step in which information on an allergic component of the candidate raw material is confirmed; calculating the skin allergy index of the paint on the basis of the components and contents of the candidate raw materials and the allergy component information; a step for evaluating the skin harmfulness of the coating material on the basis of the skin allergy index of the coating material; and a step of selecting a coating composition on the basis of the evaluated skin harmfulness of the coating.
Owner:HD KOREA SHIPBUILDING & OFFSHORE ENG CO LTD +2

A medical adhesive tape based on a low-sensitizing acrylate medical adhesive and a preparation method thereof

PendingCN122097076AGuaranteed bonding performanceImprove conversion rateNon-macromolecular adhesive additivesFilm/foil adhesivesSkin sensitizationAdhesive cement
The present application relates to the technical field of medical polymer materials, in particular to a medical adhesive tape based on low-sensitization acrylate medical adhesive and a preparation method thereof, the medical adhesive tape is composed of 65-78% low-sensitization acrylate adhesive main body, 15-22% medical-grade breathable non-woven fabric substrate, 5-8% medical silicone release layer, 1.5-3% low-sensitization soothing auxiliary agent, 2-4% hydrogenated rosin tackifying resin, 0.3-0.8% multifunctional crosslinking agent and 0.1-0.5% low-temperature initiator by weight percentage; the adhesive main body is a ternary copolymer system, and the copolymer glass transition temperature is accurately controlled to be 243-253 K. The medical adhesive tape is prepared by low-temperature solution polymerization, low-sensitization modification, high-pressure micro-perforation coating and three-stage curing and sterilization process, has a peel strength of 1.0-2.5 N / 25 mm, a holding time of ≥24 h and a skin sensitization reaction grade of ≤ grade I, and has low sensitization, stable adhesion and high breathability, and can meet the use requirements of various medical fixation scenes in clinical applications.
Owner:NANJING HI-TECH TAPE PROD CO LTD

Mstoma cell targeted hydrogen sulfide controlled release nano stabilizer as well as preparation method and application thereof

PendingCN121910908AOrganic active ingredientsPowder deliverySkin sensitizationReceptor
The invention discloses a mast cell targeted hydrogen sulfide controlled release nano stabilizer as well as a preparation method and application thereof, and belongs to the technical field of nano biological materials and drug delivery. The nano stabilizer (SMSNs (at) SC (at) HA) takes tetrasulfide bond bridged mesoporous organosilicon nanoparticles as a skeleton, an anti-allergic drug sodium cromoglycate (SC) is loaded in mesoporous channels of the mesoporous organosilicon nanoparticles, and hyaluronic acid (HA) is modified on the surfaces of the nanoparticles through covalent bonds. Wherein the tetrasulfide bond can be broken in a reducing environment in cells, so that not only can the controllable and continuous release of hydrogen sulfide gas be realized, but also the degradation of the skeleton structure of the nano stabilizer can be induced, and the release behavior of the loaded drug SC can be cooperatively regulated and controlled; hA realizes targeted recognition of mast cells in a receptor mediation mode, and non-specific leakage of the medicine in a body fluid environment is effectively reduced. The preparation method of the nano stabilizer provided by the invention is mild in process condition, good in repeatability and convenient for industrial amplification. In addition, the nano stabilizer is further applied to a passive skin anaphylaxis model, and a new strategy is provided for preparing the long-term and safe nano stabilizer with a targeting function.
Owner:NANJING TECH UNIV