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95 results about "Bleeding wounds" patented technology
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Elastic adhesive wound dressing for control of bleeding and for dressing bleeding wounds
Owner:RICHARD NAIMER
Devices and methods for the delivery of hemostatic agents to bleeding wounds
InactiveUS20080097271A1Less aggressive drawingLess aggressive drawing of moistureNon-adhesive dressingsPlastersParticulatesBandage
A hemostatic agent applicable to a bleeding wound to promote the clotting of blood comprises a first component and a second component, both components being in particle form and commingled with each other, and both components having hemostatic properties. A device incorporating such an agent comprises a receptacle for retaining the agent in particulate form therein. At least a portion of the receptacle is defined by a mesh having openings therein through which the blood may flow to come into contact with the particles of the hemostatic agent. A pad for controlling the flow of blood from a bleeding wound comprises a mesh structure and the hemostatic agent retained therein. A bandage applicable to a bleeding wound is defined by a substrate, a mesh mounted on the substrate, and the hemostatic agent retained in the mesh.
Owner:TELEFLEX LIFE SCI LTD
Heat mitigating hemostatic agent
InactiveUS20080125686A1Less aggressive drawingLess aggressive drawing of moistureSurgeryPharmaceutical delivery mechanismReticular formationBandage
A hemostatic agent in the form of particles comprises a first component and a second component bound thereto, each component having hemostatic properties. Additional components may also be included. The first component may be a zeolite and the second component may be clay. A device for promoting the clotting of blood comprises a receptacle for retaining particles of a hemostatic agent therein, at least a portion of the receptacle being defined by a mesh. A pad for controlling bleeding comprises a mesh structure defined by openings sized to accommodate the flow of blood therethrough and also by a hemostatic agent retained in the mesh structure. A bandage applicable to a bleeding wound comprises a substrate, a mesh mounted on the substrate, and a hemostatic agent retained in the mesh. The mesh is defined by a plurality of members arranged to define openings through which blood may flow.
Owner:TELEFLEX LIFE SCI LTD
Clay-based hemostatic agents and devices for the delivery thereof
ActiveUS7604819B2Minimizing discomfort and further injuryEliminate feverPowder deliveryPhysical/chemical process catalystsPolyolGlycerol
Owner:TELEFLEX LIFE SCI LTD
Devices and methods for the delivery of molecular sieve materials for the formation of blood clots
InactiveUS20060178609A1Easy to disassembleEasy to excludeAbsorbent padsBandagesMolecular sieveParticulates
An apparatus for promoting the clotting of blood and controlling bleeding comprises a receptacle for retaining molecular sieve material in particulate form therein. A pad for controlling bleeding comprises a mesh structure and a rigid or semi-rigid support attached to the mesh structure to facilitate the application of pressure to the pad and the wound. A bandage applicable to a bleeding wound comprises a mesh structure and a flexible substrate attached to the mesh structure, the substrate being a cloth or plastic member that may be adhesively attached to cover a wound. In any embodiment, at least a portion of the receptacle or mesh structure is defined by a mesh having openings therein, and at least a portion of the particulate molecular sieve material is in direct contact with blood.
Owner:TELEFLEX LIFE SCI LTD
Hemostatic agent delivery system
ActiveUS20070160638A1Good coagulationTerminate hemorrhagingNon-adhesive dressingsPlastersBiomedical engineeringDelivery system
A hemostatic agent delivery system includes a hemostatic agent which is inert and non-reactive yet is capable of forming a stable clot when applied to an actively bleeding wound. The system also includes a delivery assembly to structure to facilitate delivery of the hemostatic agent proximate the hemorrhage site. More specifically, the delivery assembly is structured to releasably contain the hemostatic agent via a release member which is disposed in cooperative relation with a support member which contains the amount of the hemostatic agent. The release member is structured of a soluble material such that it will at least partially dissolve and release the hemostatic agent upon disposition proximate the hemorrhage site. The delivery assembly further comprises a handle member structured to facilitate delivery of the hemostatic agent to the hemorrhage site.
Owner:MENTKOW JACK +1
Hemostatic devices
ActiveUS20130344131A1Reduce the amount requiredConvenient and cost-effective for manufacturingBiocidePowder deliveryFiberSolubility
Hemostatic devices for promoting blood clotting can include a substrate (e.g., gauze, textile, sponge, sponge matrix, one or more fibers, etc.), a hemostatic material disposed thereon such as kaolin clay, and a binder material such as crosslinked calcium alginate with a high guluronate monomer molar percentage disposed on the substrate to substantially retain the hemostatic material material. When the device is used to treat a bleeding wound, at least a portion of the clay material comes into contact with blood to accelerate clotting. Moreover, when exposed to blood, the binder has low solubility and retains a majority of the clay material on the gauze. A bandage that can be applied to a bleeding wound to promote blood clotting includes a flexible substrate and a gauze substrate mounted thereon.
Owner:TELEFLEX LIFE SCI LTD
Devices and methods for the delivery of blood clotting materials to bleeding wounds
ActiveUS20070065491A1Easy to disassemblePromote formationAbsorbent padsSheet deliveryParticulatesReticular formation
An apparatus for promoting the clotting of blood and controlling bleeding comprises a receptacle for retaining blood clotting material in particulate form therein. A pad for controlling bleeding comprises a mesh structure and a support attached to the mesh structure to facilitate the application of pressure to the pad and the wound. A bandage applicable to a bleeding wound comprises a mesh structure and a flexible substrate attached to the mesh structure, the substrate being a cloth or plastic member that may be adhesively attachable to cover a wound. In any embodiment, at least a portion of the receptacle or mesh structure is defined by a mesh having openings therein, and at least a portion of the particulate blood clotting material is in direct contact with blood. The mesh may include a zeolite powder impregnated or otherwise incorporated therein.
Owner:TELEFLEX LIFE SCI LTD
Hemostatic Agent Composition and Method of Delivery
ActiveUS20080299226A1Good coagulationTerminate hemorrhagingBiocideNon-adhesive dressingsMedicineHemostatic Agent
A hemostatic agent composition that includes a clay hemostatic agent which is inert and non-reactive relative to blood clotting proteins and platelets, yet is capable of accelerating the formation of a stable clot when applied to an actively bleeding wound.
Owner:MENTKOW JACK +1
Radio-opaque hemostatic agents and devices and methods for the delivery thereof
InactiveUS20080206134A1Easy to take backLittle side effectsBiocideSurgeryPositive pressureInternal wounds
A radiographic composition for promoting the formation of clots in blood includes a zeolite and iodine. A device for promoting the clotting of blood at an internal wound site includes a catheter; a delivery instrument insertable through the catheter; a radioopaque blood clotting agent that deliverable through the delivery instrument; and a positive pressure apparatus that can dispense the blood clotting agent to the wound site through the delivery instrument. A system for radiographically imaging an internally bleeding wound includes means for delivering a radioopaque blood clotting agent and means for radiographically imaging the radioopaque blood clotting agent. A method of imaging an internally bleeding wound includes the steps of inserting a catheter into a patient; advancing the catheter to a point adjacent the bleeding wound; depositing a radioopaque zeolite at the bleeding wound; and imaging the radioopaque zeolite to monitor blood-clotting caused by the zeolite.
Owner:TELEFLEX LIFE SCI LTD
Alkyl modified chitosan/mesoporous silicon dioxide composite quick hemostatic powder and preparation method thereof
InactiveCN102772820AFast hemostasisGood hemostasisAbsorbent padsBandagesHEMOSTATIC POWDERSide effect
The invention discloses an alkyl modified chitosan / mesoporous silicon dioxide composite quick hemostatic powder and a preparation method thereof. The method comprises the following steps: 1) preparation of alkyl modified chitosan; 2) preparation of mesoporous silicon dioxide particles; and 3) preparation of composite quick hemostatic powder: dissolving the alkyl modified chitosan in an acetic acid water solution, adding polyethyleneglycol 20000 to be dissolved, adding the mesoporous silicon dioxide particles prepared in the step 2), stirring at room temperature, freeze-drying the precipitate, suspending the precipitate in dimethylsulfoxide, regulating the pH value, centrifuging, washing with deionized water, and freeze-drying to obtain the alkyl modified chitosan / mesoporous silicon dioxide composite quick hemostatic powder. The hemostatic powder disclosed by the invention can quickly stop bleeding, and is suitable for pre-hospital emergency treatment of severe bleeding wounded persons. The material has the advantages of high hemostatic speed, excellent hemostatic effect, favorable biocompatibility and histocompatibility, and no side effect.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA
Hemostatic Agent Composition, Delivery System and Method
ActiveUS20100158989A1Rapid and effective and efficient controlQuickly and properly appliedBiocidePlastersBody fluidDelivery system
A hemostatic agent composition, delivery system and method include a hemostatic agent composition which is inert and non-reactive relative to blood clotting proteins and platelets. The composition includes a clay material combined with a humectant in a stable suspension embedded in a mesh fabric and, when dried, is capable of accelerating the formation of a stable clot when applied to an actively bleeding wound or drying other bodily fluids.
Owner:MENTKOW JACK +1
Systems and methods for performing acoustic hemostasis of deep bleeding trauma in limbs
InactiveUS20070194658A1Ultrasound therapyPiezoelectric/electrostriction/magnetostriction machinesCapacitanceUltrasonic sensor
An inflatable cuff having integrated ultrasound transducers is used to effect hemostasis of deep bleeding wounds in limbs. The cuff includes a chamber defined by a bladder or a series of dams into which a fluid may be introduced and pressurized. The pressure of the fluid stops or slows bleeding while high intensity focused ultrasound is applied to effect hemostasis. The fluid may also serve as an acoustic couplant between the limb and the ultrasound transducers. The transducers may be electrostrictive transducers. Diodes may be used to reduce parallel capacitive loading in the transducer array. Bypass capacitors using the electrostrictive material may also be used.
Owner:OTSUKA MEDICAL DEVICES +1
Vacuum sealing drainage device for bleeding wound tissue
ActiveUS20110071484A1Reduce the possibilityImprove permeabilityPlastersIntravenous devicesWound healingEngineering
A vacuum sealing drainage device for a bleeding wound tissue, includes a multi-hole foam cushion (1) contacted with the bleeding wound tissue, a drainage pipe (2) with a side hole, a sealing film (3), a connector (4), a duct (17), a drainage container (5), and a vacuum source (6). The device further includes a glue film (7) and an leading-out pipe (8). The glue film (7) is disposed above the multi-hole foam cushion (1). An opening of the side hole of the drainage pipe (2) is contacted with the multi-hole foam cushion (1). The leading-out pipe (8) is connected to the drainage pipe (2), and is disposed above the glue film (7). The sealing film (3) is sealed on the glue film (7). The leading-out pipe (8) is received in the drainage container (5) via the duct (17), and the drainage container (5) is connected to the vacuum source (6) via the duct (17). The device increases time of maintaining elasticity and a humid environment for the multi-hole foam cushion, which is helpful for wound healing. The sealing and drainage thereof are convenient and reliable.
Owner:WUHAN VSD MEDICAL SCI & TECH CO LTD
Hemostatic device and method
ActiveUS8961479B2Improved delivery and controlSlow actingSurgical adhesivesSurgical needlesHEMOSTATIC POWDERThin layer
Owner:BIOLIFE
Dual negative pressure adjustable wound negative pressure therapy device based on microprocessor core
Owner:BEIHANG UNIV
First-aid hemostatic device
InactiveCN107050632AAvoid damageWide range of partsSurgical adhesivesPharmaceutical delivery mechanismInorganic saltsThrombus
Provided is a first-aid hemostatic device. The first-aid hemostatic device includes an exterior bearing unit and interior hemostatic materials. The exterior bearing unit is an injection-type coating device or a bag. The interior hemostatic materials have the functions of liquid absorbing and expansion, and include absorbable hemostatic materials and non-absorbable hemostatic materials; the hemostatic materials are round, powder, in a disc shape or cylindrical, and can be compressed; the hemostatic materials electively contain one or more therapeutic agents, hemostatic agents or inorganic salt and labels, wherein the labels are used for marking and being convenient for searching and taking the hemostatic materials out of the body; after being shaped, the first-aid hemostatic device is packaged in a germ-free mode. The first-aid hemostatic device is high in hemostatic performance, safe and reliable; the specifications of the hemostatic materials not only help expansion objects freely pass through narrow wounds but also are enough for making the expansion objects move to torn or perforated vessels, thrombi cannot be caused, and when expanded to be sufficiently large, the expansion objects are maintained at the high-flow bleeding wounds.
Owner:JIANGSU CHANGJIYONG BIOTECH CO LTD
Hemostatic devices
ActiveUS9072806B2Reduce the amount requiredConvenient and cost-effective for manufacturingPharmaceutical delivery mechanismDisinfectionFiberKaolin clay
Owner:TELEFLEX LIFE SCI LTD
Alginate composite antibiotic dressing and the preparation method
ActiveCN106267309AGood biocompatibilityImprove the coagulation effectPeptide preparation methodsAlginate artificial filamentsFiberWound healing
The invention is within the field of medical biological macromolecules and in particular relates to an alginate composite antibiotic dressing and the preparation method. The present invention uses fibroin composite membrane as antiseptic, humectant and antiadhesive. Loading it on the alginate fiber, the finally obtained alginate composite antibiotic dressing clinically functions as protecting the wound surface, inhibiting the bacteria, stopping the bleeding, preventing from conglutination and speeding up the mending of the wounds. The preparation method of the antibiotic dressing is simple. The easy process makes it possible for large-scaled production. The so-formed alginate composite antibiotic dressing improves the force performance of alginate under the hygrometric state, overcomes the conglutination of alginate on bleeding wounds, at the same time it qualifies alginate with certain antimicrobal property. This is suitable for nursing typical wound surface, speeding up the mending process, and alleviates the pain for wound patients.
Owner:GUANGDONG TAIBAO MEDICAL SCI TECH
Bandage material with active carbon fibers
A bandage material with active carbon fibers is disclosed, in which the bandage material is comprised of a load-bearing layer made of an unwoven viscose / polypropylene textile material, and an active layer made of 200 g / m2 pure carbon fiber. When combined, the load-bearing layer and the active layer form a single compact union. A bandage material suitable for use on a bleeding wound or other, smaller surface wounds, etc., is comprised of a load-bearing layer, which can have any flat shape and in a preferred embodiment houses bandage material with active carbon fibers, oriented with an active carbon fiber layer disposed on top, and with the edges of the load-bearing layer fitted with an adhesive layer to form a peel-away protective cover.
Owner:BAUER VACLAV
Treatment for high pressure bleeding
InactiveUS8497408B2Reduced quicklyQuick stopSurgical adhesivesPharmaceutical delivery mechanismTourniquet timeConfined space
Owner:VIRGINIA COMMONWEALTH UNIV
Bleeding stopping starch and preparation method thereof
InactiveCN103224568AImprove water absorptionImprove water absorption rateSurgeryAbsorbent padsBiocompatibility TestingAbsorption effect
The invention relates to a bleeding stopping starch and an application thereof. The bleeding stopping starch is prepared through redenaturation of denaturated starch in the prior art, and microwave processing. The bleeding stopping starch has the advantages of excellent water absorption effect, safety and stability, has biocompatibility, and can be directly applied to bleeding wounds.
Owner:BEIJING JIADE SUNSHINE TECH
Composition and method for arresting blood flow and for forming a persistent microbial barrier
ActiveUS20140120052A1Skin careInhibit migrationCation exchanger materialsSynthetic polymeric active ingredientsIon exchange3-Log Reduction
Owner:BIOLIFE
Hemostatic Preparation Containing an Extract of Golden Moss
The present invention relates generally to agents and devices for promoting hemostasis and, more particularly, to an extract of a plant-based “Traditional Chinese Medicinal” product and devices incorporating such agents for the delivery thereof to bleeding wounds.
Owner:ETHICON INC
Hemostatic device and method
ActiveUS20140330221A1Improved delivery and controlSlow actingBiocideHeavy metal active ingredientsHEMOSTATIC POWDERThin layer
A hemostatic tablet preferably including potassium ferrate and a cation ion exchange resin pressure formed into a tablet for delivery to a bleeding wound. The tablet improves the rate of adhesion to a bleeding wound surface, and allows a significantly greater and more uniform pressure to be exerted by manual compression of the tablet on the wound site, as compared to that of a thin layer of scattered hemostatic powder. After the seal is formed from the interaction of blood or exudates with the immediate contacting surface of the tablet, the bulk of the unused tablet easily delaminates from the seal making clean up facile. If the unused portion of the tablet is not removed from the wound site, a reservoir of hemostatic dressing stops further bleeding and to provide antimicrobial protection and healing. The tablet may be applied to any surface orientation and take any shape and thickness possible.
Owner:BIOLIFE
Nano composite porous hydrogel as well as preparation and application thereof
PendingCN113563609AGood biocompatibilitySimple structurePharmaceutical delivery mechanismBandagesTissue repairBiocompatibility
The invention discloses nano composite porous hydrogel as well as preparation and application thereof, and relates to the technical field of biomedical materials. The preparation method of the hydrogel comprises the following steps of: firstly synthesizing dopamine modified gelatin, taking methacrylic acid modified gelatin as an emulsion stabilizer and water as a continuous phase, stirring and dissolving a functional polymer dopamine modified gelatin, silicate nano-clay and a photoinitiator in the continuous phase at a high speed to obtain stable air-in-water composite hydrogel emulsion; and preparing the novel nano composite porous hydrogel with a three-dimensional network porous structure, good mechanical properties, biocompatibility and coagulation performance through ultraviolet-initiated polymerization. Multiple dynamic physical / chemical crosslinking among the components in the hydrogel endows the hydrogel with good mechanical properties and self-healing properties. The hydrogel has good adhesion performance and blood coagulation performance to tissues, can be used for rapid sealing and blood coagulation hemostasis of bleeding wounds so as to promote tissue repair, and is expected to be applied to the fields of biological medicines, tissue engineering and the like.
Owner:SOUTH CHINA UNIV OF TECH
Half-path charge complementary type chiral self-assembled short-peptide nanometer biomedical material and application
The invention discloses a half-path charge complementary type chiral self-assembled short-peptide nanometer biomedical material and application. The general formula of the amino acid sequence of a chiral self-assembled short peptide provided in the invention is shown as follows: Ac-Pro-X-Phe-Y-Phe-Asn-Phe-Gln-Pro-NH2, wherein X and Y are polar charged amino acids, X is an negatively charged amino acid and Y is an positively charged amino acid, the amino acids of the whole peptide chain are all D-amino acid, and the number of amino acid residues is set as 9. The half-path charge complementary type chiral self-assembled short peptide has a secondary structure with relatively strong stability and is hardly influenced by external environmental factors, the self-assembly morphology of the chiral short peptide can be regulated by adding NaCl or changing the content of NaCl, and nanometer fiber hydrogel, which has rapid bleeding-stopping effect on bleeding wound, can be formed through self assembly. The material is simple and practicable in preparation technology and relatively low in cost, and the application of the material helps to enrich the kinds of nanometer biomedical materials.
Owner:SOUTH CHINA UNIV OF TECH
Medical hongshang hemostatic medicament and preparation method thereof
InactiveCN101181526ARapid hemostasisPain reliefAnthropod material medical ingredientsHydroxy compound active ingredientsMyrrhSaposhnikovia
The invention relates to a Chinese traditional medicine, in particular to a hemostatic medicine for bleeding wound and the preparing method thereof, which is characterized in that the medicine is prepared by the following materials according to weight proportions: 6 to 8 percent of myrrh, 3 to 6 percent of ground beetle, 6 to 9 percent of arisaema cum bile, 2 to 3 percent of dragon's blood, 3 to 5 percent of nux vomica(fried with wine), 2.8 to 4.5 percent of keel, 3 to 4.5 percent of angelica, 4 to 6 percent of divaricate saposhnikovia root, 4 to 7 percent of safflower, 3 to 5 percent of sichuan notopterygium, 3 to 6 percent of crab bone, 6 to 9 percent of frankincense and 7 to 9 percent of East Asian tree fern rhizome. The invention can not only stop bleeding and relieve pain quickly (stopping bleeding within 1 to 2 minutes and relieving pain within 3 to 5 minutes, and taking effect within 10 seconds), but also has the effects of generating muscle, diminishing inflammation, detoxication and high anti-infection. Generally, the wound can be healed once, while for fairly serious or large wound, the wound can be healed by using the medicine for only twice to 3 times.
Owner:倪建忠
Bleeding stopping sponge and preparation method thereof
InactiveCN103224645AImprove water absorptionImprove water absorption rateSurgeryAbsorbent padsMedicineAbsorption effect
The invention relates to a bleeding stopping sponge and an application thereof. The bleeding stopping sponge is prepared through redenaturation of denaturated starch in the prior art, and microwave processing. The bleeding stopping sponge has the advantages of excellent water absorption effect, safety and stability, is biocompatible, and can be directly applied to bleeding wounds.
Owner:BEIJING JIADE SUNSHINE TECH
Garden plant bleeding healing agent and preparation method thereof
InactiveCN108271817AReduce deathInjury flow promotionPlant growth regulatorsBiocidePlant growthNaphthylacetic acid
The invention discloses a garden plant bleeding healing agent. The garden plant bleeding healing agent mainly comprises the following components: 100-500mg / L of copper acetate wettable powder, 100-400mg / L of plant ash, 10-90mg / L of naphthylacetic acid, 20-100mg / L of cytokinin and 40-180g / L of tung oil. The invention further discloses a preparation method of the garden plant bleeding healing agent.The garden plant bleeding healing agent provided by the invention uses the copper acetate wettable powder, the tung oil, the plant ash and a plant growth regulator, and under the action of compounding the various components according to a certain ratio, the garden plant bleeding healing agent can effectively reduce plant deaths caused by plant bleeding, so that the landscape greening cost is effectively reduced; the preparation method is simple and feasible; the garden plant bleeding healing agent can promote healing of plant bleeding wounds, and the curative rate reaches 80%; the garden plant bleeding healing agent can effectively reduce the plant deaths caused by plant bleeding, so that the landscape greening cost is effectively reduced; the garden plant bleeding healing agent can effectively solve the garden plant bleeding problem caused by plant damage such as pruning and modeling, so that the high-quality ornament of a garden landscape can be maintained; the garden plant bleedinghealing agent is applicable to, but is not limited to, garden plant pruning wounds, and is equally applicable to other plant bumps, injuries, grafting wounds and the like.
Owner:HUAYUAN LANDSCAPE ARCHITECTURE CO LTD
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