Class / Patent application number | Description | Number of patent applications / Date published |
602046000 | Polymeric foam | 50 |
20080228123 | BANDAGE WITH A HYDROPHILIC FOAM CONTAINING SILVER AND A HEMASTATIC AGENT - A compression stretch bandage formed from a hydrophillic foam having at least one layer of a stretchable, textile material attached to one side of the foam and a hemastasis agent attached to another side of the foam for activating the intrinsic arm of the hemostatic cascade of the healing process. The bandage may also include a silver material contained within the foam for reducing risk of infection. The bandage may be a flexible, stretchable, hydrophilic bandage that reduces the risk of infection at a wound by providing a moist environment that will aid in optimum release of silver ions into the wound. | 09-18-2008 |
20090018480 | PRODUCTION OF POLYURETHANE FOAMS FOR WOUND MANAGEMENT - The present invention provides novel polyurethane-based wound dressing foams, obtained by foaming and curing silane-terminated polyurethanes. | 01-15-2009 |
20090069736 | Polyurethane Foam Dressing for Wound Filler and Method for Manufacturing Thereof - A polyurethane foam dressing for a wound filler, which includes a hydrophilic polyurethane foam including a plurality of open cells with a diameter of 50 to 400 μm and a plurality of pores with a diameter of 10 to 80 μm, and a method of manufacturing the same including mixing and agitating 40 to 75 wt % pre-polymer, 15 to 45 wt % foaming agent, 5 to 35 wt % crosslinking agent, and 0.5 to 15 wt % additive containing a surfactant, a moisturizing agent, and a pigment, injecting the resulting mixture into a mold, and foaming the resulting mixture injected into the mold. | 03-12-2009 |
20090069737 | Pressure relief dressing - The Pressure Ulcer Bandage is designed for application to the skin of an individual to treat pressure ulcers. The bandage will be constructed of flexible, round hydrocellular polyurethane foam, approximately one inch deep and will range in diameter with a precut opening to allow pressure relief from the ulcer itself and disperse weight away from the wound. The precut openings should be in various sizes to allow an opening at least 0.25 inches larger than the wound to be utilized The foam bandage will have at least 1.5 times the size of the precut opening of remaining foam outside the opening. Ring shaped bandages have been ineffective in the past because of the lack of flexibility of the material used and the limited amount of padding away from the opening. This bandage can be produced in an adhesive and in a non-adhesive format. Additionally, the packaged product will be sterile. | 03-12-2009 |
20090076431 | Bevelled Foam - The invention relates to a foam dressing with a bevelled edge and where the density at the edge is higher than the density at the central part of the foam. The high density at the edges causes gel blocking of the wound exudate thereby preventing leakage of exudate through the edges. In a preferred embodiment the foam dressing is non-adhesive. The foam dressing may have a water-impervious backing layer, which extends all the way over the top of the dressing and down to the wound-contacting surface. The wound dressing is particularly useful in treatment of venous ulcers in connection with compression bandages, as the bevelling of the edges markedly reduces the indentations in the leg following use of this dressing when compared to a dressing with straight edges. | 03-19-2009 |
20090198167 | Fiber-microsphere bioresorbable composite scaffold for wound healing - A fiber-microsphere composite scaffold including a first layer of material selected from one of a layer of bioresorbable microspheres and a layer of bioresorbable fibers; and a second layer of material selected from the other of the layer of bioresorbable microspheres and the layer of bioresorbable fibers. A fiber-microsphere composite scaffold reduced pressure tissue treatment apparatus is also included as well as methods for making fiber-microsphere composite scaffolds. | 08-06-2009 |
20090275872 | FLUID WOUND DRESSING COMPRISING PARTIALLY CURED POLYURETHANE - A wound dressing composition comprising a partially cured polyurethane fluid. The composition can be injected directly into a wound, where it cures to form a wound filling dressing. Also provided is a wound dressing comprising such a composition. Also provided is a kit for the preparation of such wound dressings, the kit comprising (a) a polyurethane prepolymer; and (b) a curing agent for the polyurethane prepolymer. Preferably, the polyurethane components comprise reaction products of a diisocyanate with castor oil or a related ester of ricinoleic acid or its derivatives. | 11-05-2009 |
20100063434 | Foam with Antimicrobial and Hemostatic Agents - An antibacterial bandage formed from at least one foam with at least one antimicrobial agent and at least one hemostatic agent is disclosed. The at least one antimicrobial agent and the at least one hemostatic agent may be mixed with materials forming the foam during manufacture of the at least one foam. | 03-11-2010 |
20100069813 | Wound dressings - A wound dressing that provides galvanic current and has antimicrobial properties. The dressing comprises a pliable base material, along with a pattern of deposited metal flakes. The metal flakes include at least two different metal types which are deposited in patterns which touch or overlap, typically in a repeating pattern. The two metals create a galvanic current in the wound area. The metals are deposited in mounds so that the wound dressing continues to work over extended periods of time. | 03-18-2010 |
20100145247 | Wound treatment-dressing and method of manufacture - A wound treatment-dressing is shown which includes a dressing body formed from a medically inert, moisture permeable, urethane open-cell foam which is hydrophilic in nature. The foam body has a foam matrix of interconnected foam cells with cell walls which have incorporated therein a combination of inorganic antimicrobials as active agents, the active agents being incorporated into the foam matrix both topically on a foam cell surface and integrally within the foam cell wall. The antimicrobials are manufactured in a selected particle size range which improves predictability and performance of the wound dressing. | 06-10-2010 |
20100222730 | Wound Covering and its Method of Production by Extrusion Coating - The invention relates to a production method for a foam wound dressing with an outer germ barrier, in particular a film layer, and to a wound dressing obtained by such a method. In the method according to the invention, the germ barrier is generated by means of extrusion directly on the foam support. This results in a more reliable union between foam layer and germ barrier, without thereby compromising the absorbency of the foam in respect of wound exudate. The proposed method is simple and inexpensive and is able to satisfy all the requirements of the medical sector (e.g. freedom from solvents). | 09-02-2010 |
20100280427 | MEDICAL DRESSING COMPRISING AN ANTIMICROBIAL AGENT - A medical dressing comprising absorbent polyurethane foam wherein the foam comprises an antimicrobial agent, which can be released from the foam by the action of water. The antimicrobial agent is also used as a control of the resilience of the foam. The antimicrobial agent can be poly(hexamethylene biguanide)hydrochloride, also named PHMB or polyhexanide. | 11-04-2010 |
20100286584 | PARTICLE-CONTAINING FOAM STRUCTURE - A method of producing a hydrophilic polyurethane foam structure containing inert activated carbon particles, includes the steps of: (a) providing a water phase containing a surfactant and dispersed inert particles; (b) providing a isocyanate-terminated polyether having functionality of more than 2; (c) mixing the water phase and the isocyanate-terminated polyether, immediately transferring the resulting mixture to a mould or a continuous web, whereby a foam structure is obtained; and (d) drying the foam structure until it has a moisture content of at most 10% (wt). A foam structure produced by the method and a wound dressing containing the foam structure are also disclosed. | 11-11-2010 |
20110015556 | STIFFENING LAYER FOR FACILITATING APPLICATION OF A PLASTIC FILM TO SKIN - A stiffening layer ( | 01-20-2011 |
20110092871 | WOUND DRESSING - The present invention relates to a wound dressing including an outer layer of air-impermeable material and means for attaching the dressing to the skin surrounding a wound, a pre-compressed body of resilient material, said body creating a sub-pressure after attaching the dressing to a wound. According to the invention the pre-compressed body is enclosed in a casing of air-tight material, whereby at least a portion of said casing is made of a soluble material, which dissolves after contact with liquid exudate. | 04-21-2011 |
20110160633 | METHOD FOR PRODUCING SHAPED POLYURETHANE FOAM WOUND DRESSINGS - The present invention relates to a process for producing shaped articles comprising, acting on a foam layer in a first region with a pressure of from 0 to 150 bar at a temperature of from 0° C. to less than or equal to 200° C., whereby the foam layer is compressed in the first region to greater than 12.5% to 100% of its original volume; acting on the foam layer in a second region with a pressure of from 50 to 150 bar at a temperature of from 100° C. to 200° C., whereby the foam layer is compressed in the second region from greater than 0% to 12.5% of its original volume; and wherein the foam layer comprises in the first region and the second region a polyurethane foam which is obtained by foaming and drying a composition comprising an aqueous, anionically hydrophilicized polyurethane dispersion. | 06-30-2011 |
20110178451 | Foam Wound Inserts With Regions of Higher and Lower Densities, Wound Dressings, and Methods - Foam wound inserts with high-density and low-density regions, methods for making wound inserts, wound-treatment methods, and wound-treatment systems. | 07-21-2011 |
20110213287 | SYSTEMS AND METHODS FOR USING NEGATIVE PRESSURE WOUND THERAPY TO MANAGE OPEN ABDOMINAL WOUNDS - Embodiments disclosed herein are directed to the treatment of wounds using negative pressure. Some embodiments disclosed herein provide for a foam pad, which may be suitable for use in abdominal wound sites, and which may be sized in a dimensionally-independent manner. Additional embodiments provide for a wound contact layer, as well as a system for the treatment of abdominal wounds. | 09-01-2011 |
20110237994 | VOID-FILLING WOUND DRESSING - A wound dressing includes a wound-filling member attached to a hemostasis inducer that can be impregnated with an active compound, such as coagulants. The wound dressing can be placed in wounds to provide pressure, as well as chemical action, to promote blood coagulation and thereby arrest bleeding. A wrap can be attached to the wound dressing to provide an easy and quick method of securing the wound dressing. The wound dressing can be compressed in a small package for easy transport. | 09-29-2011 |
20110251541 | Polyurethane Foam Dressing Material with Excellent Adhesive Property and Method for Preparing the Same - Disclosed is a polyurethane foam dressing material with an excellent adhesive property, and a method for preparing the same, an object of the present invention is to provide an adhesive polyurethane foam dressing material and a method for preparing the same, in which the adhesive polyurethane foam dressing material has an excellent exudates adsorption degree and moisturizing rate available for applying the wounds with a lot of exudates, and a silicone/acryl adhesive applies on the wound contact side in order to have favorable for treating a wound, and easily remove without a pain. | 10-13-2011 |
20110257571 | Post mountable BAHA bandage device - A bandage system is provided that is capable of being held by an upstanding snap member attached to a wound site. The bandage system has a snap engaging member for coupling to the snap member. A cushion member is provided that has a wound engaging surface for overlaying the wound site. A pressure exerting base member is coupled to the base member for urging the cushion member into engagement with the wound site. | 10-20-2011 |
20110257572 | DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT - Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. | 10-20-2011 |
20110257573 | COMPOSITIONS WITH REACTIVE INGREDIENTS, AND WOUND DRESSINGS, APPARATUSES, AND METHODS - Wound dressings and wound inserts comprising substantially dry reactive agents, methods of forming wound inserts comprising dry reactive agents, and wound-treatment methods. | 10-20-2011 |
20110275972 | INTERFACE LAYER WOUND DRESSING - The invention relates to a wound dressing and methods of preparation and use thereof for promoting healing of a wound bed. In particular, the wound dressing is advantageous for application to a debrided wound bed. The wound dressing comprises an open conduit polymeric foam matrix, and a hydrophilic polymer which is disposed in dry form on the inner surfaces of the conduits within the matrix. | 11-10-2011 |
20110282259 | Methods of manufacture of a diffusion dressing - A method for manufacturing a diffusion dressing includes automated steps for pre-forming and precutting a first occlusive layer and precutting a permeable layer of material to a finished size, coating one side of the permeable layer with a permeable adhesive, placing precut sections of a cellular material layer onto the adhesive side of the permeable layer, sealing the first occlusive layer to the permeable layer, precutting a section of absorbent material to a finished size, coating the remaining side of the permeable layer with a permeable adhesive, placing the section of absorbent material on the coated side of the permeable layer, applying a seal about the periphery of the remaining side of the absorbent material, pre-forming and precutting an adhesion layer to a finished size, precutting a removable second occlusive layer of material to a finished size, and sealing the second occlusive layer against the adhesion layer. | 11-17-2011 |
20110282260 | Polyurethane Foam Dressing Having Excellent Adhesive Properties and Manufacturing Method Thereof - The present invention relates to a polyurethane foam dressing having excellent adhesive properties and a manufacturing method thereof, in which the polyurethane foam dressing has high capacities for absorption and retention of exudates so that it can be applied even to high-exudate wounds, and in which a hydrophilic adhesive is applied to the wound contact layer of the polyurethane foam dressing so that the foam dressing is advantageous for wound healing and is easily removed without causing pain. Specifically, the polyurethane foam dressing comprises a laminate of a sponge-like wound contact layer and a film-like protective layer, in which an adhesive layer is formed on the wound contact surface of the wound contact layer, wherein the adhesive layer consists of a hydrophilic adhesive composition comprising 100 parts by weight of a hydrophilic adhesive and 0.07-5 parts by weight of a binder. | 11-17-2011 |
20110319804 | WOUND PACKING - The present invention relates to a wound packing material, suitable for use in negative pressure wound therapy, comprising a body of a porous material, the body comprising frangible regions defining a plurality of portions, the frangible regions allowing the portions to be selectively removed from the body. The invention further relates to methods of manufacturing the wound packing material, and to methods of its use. | 12-29-2011 |
20120046588 | USE OF A POLYURETHANE FOAM AS A WOUND DRESSING IN NEGATIVE PRESSURE THERAPY - The invention relates to a device for negative pressure wound therapy comprising (a) a cover material for air-tight sealing of the wound space; (b) as applicable, a means for the connection of a negative pressure source; and (c) a wound dressing comprising an open-cell polyurethane foam whereby the open-cell polyurethane foam has special properties, in particular a tensile strength after three days of storage in bovine serum, measured in accordance with DIN 53571, between 80 kPa and 300 kPa. The invention further relates to the use of said open-cell polyurethane foam for use as a wound dressing in negative pressure wound therapy. | 02-23-2012 |
20120046589 | WOUND DRESSING COMPRISING FOAM AND OINTMENT BASE FOR NEGATIVE PRESSURE THERAPY - The invention relates to a device for negative pressure wound therapy comprising (a) a cover material for air-tight sealing of the wound space; (b) as applicable, a means for the connection of a negative pressure source; and (c) a wound dressing comprising (c | 02-23-2012 |
20120078154 | ABSORBENT FOAM WOUND DRESSING MATERIALS - A wound dressing material comprising a solid substrate having interstitial spaces therein, wherein said substrate is a hydrophilic open-cell foam material, and wherein said interstitial spaces are at least partially filled by a hydrophilic polyurethane foam different from said substrate foam material. Also provided is a method of making a porous wound dressing material comprising the steps of: providing a substrate of a solid hydrophilic first foam material; applying a fluid or gel polyurethane foam prepolymer mixture to at least one surface of said solid substrate; and curing said prepolymer in contact with said solid substrate. | 03-29-2012 |
20120116281 | METHOD - A method of manufacturing a wound dressing or the like comprises the steps of a) providing a layer of substrate material; b) extruding a curable hydrophobic gel precursor composition onto that substrate material via one or more mobile applicators; and c) causing or allowing the hydrophobic gel precursor composition to cure to form a hydrophobic gel. Wound dressings or the like that can be manufactured by such a method comprise a layer of substrate material, the wound facing surface of which carries bands of hydrophobic gel that are intermingled in a lattice-like arrangement. | 05-10-2012 |
20120277646 | WOUND DRESSING WITH A DISCONTINUOUS CONTACT LAYER SURFACE - A therapeutic device for promoting the healing of a wound in a mammal is disclosed. An exemplary device comprises a permeable structure having a plurality of depressions formed in a surface thereof. In use, the surface having the depressions is disposed adjacent a surface of the wound. A method of manufacturing a therapeutic device for promoting the healing of a wound in a mammal comprising the steps of providing a permeable substrate, and forming a plurality of depressions into a surface of the permeable substrate to provide the therapeutic device. A method of treating a wound comprises: providing a permeable structure comprising a plurality of randomly disposed fibers and having i) a plurality of wound surface contact elements disposed between end portions of the structure, and ii) a plurality of voids defined by the contact elements; and applying the permeable structure to at least one surface of the wound. | 11-01-2012 |
20130085435 | SYSTEM AND METHOD FOR TREATING LEG ULCERS - In one aspect, a wound treatment system includes an inner layer comprising a foam material impregnated with a zinc oxide containing composition with or without calamine and/or ichthammol and in the presence or absence of antimicrobial agent (inorganic and/or organic). An optional outer layer comprises a short/long stretch compression bandage. In another aspect, a method of manufacturing the foam article impregnated with the zinc oxide containing composition is disclosed. In yet another aspect, a method of applying the wound treatment system to a patient's leg is disclosed. In still another aspect, a kit is provided including a foam layer impregnated with a zinc oxide containing composition; optionally, an elastic bandage component (e.g., long or short stretch elastic bandage); and, optionally, an outer stocking or sleeve, wherein the bandage system components are packaged together. | 04-04-2013 |
20130110025 | DRESSING DEVICE FOR USE WTIH A CANNULA OR A CATHETER | 05-02-2013 |
20130172802 | Moisture Removal Device and Method for Bariatric Skin Fold - A device and method for removing moisture vapor from adjacent skin surfaces such as bariatric skin folds. The device may include a vapor permeable material, a spacer material, and an air mover that are configured to be inserted between adjacent skin surfaces. The device is inserted between adjacent skin surfaces and the air mover is operated to provide air flow through the spacer material. | 07-04-2013 |
20130317406 | DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT - Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. | 11-28-2013 |
20140094730 | WOUND DRESSING - Embodiments disclosed within herein relate to a wound dressing, suitable for use in negative pressure wound therapy, comprising a body of porous material, the body of porous material comprising a plurality of cuts which provide regions of flexibility within the body. Further embodiments relate to methods of manufacturing and method of use of such wound dressings. In addition, the wound dressing can comprise a retaining mechanism removably coupled to the material and configured to retain the material in the expanded conformation. | 04-03-2014 |
20140142489 | STERILANT SYSTEM - A two-part sterilant system comprises a first part comprising a first reagent in a carrier medium and a second part which is miscible with the first part and which comprises a second reagent in a carrier medium. The first reagent and the second reagent will react when mixed to provide a sterilising composition. The first part is contained in a pump dispenser ( | 05-22-2014 |
20140249462 | DRESSING WITH ION-CARRYING COMPOSITION - A wound dressing comprising an open-cell foam substrate infused with an ion-containing composition in a water-dispersible carrier is provided. The composition includes citric acid or a salt thereof; salts of potassium, rubidium, and zinc ions; and a carrier comprising two or more polyol components, at least one polyol component being solid at 23 degrees C. A method of treating a wound with said wound dressing is also provided. | 09-04-2014 |
20150065936 | WOUND DRESSING - A wound dressing for covering a wound is formed of at least one absorbing member and a plurality of elongated activated carbon fibers. The at least one absorbing member is made of a foamed polymeric material and includes a plurality of pores. The activated carbon fibers are distributed in the at least one absorbing member and partially protrude into the pores. Each of the activated carbon fibers has a diameter of 2-15 μm and a length of 40-1500 μm. In light of the above, the tissue fluid leaking from the wound can be absorbed by the absorbing member to prevent the wound from soakage and the activated carbon fibers inside the absorbing member can emit far-infrared rays to promote the blood circulation around the wound for quickening healing of the wound. | 03-05-2015 |
20150073325 | ADHESIVE WAFER - The present invention relates to an adhesive wafer suitable for attachment to the skin or a wound, the wafer comprising a dressing sheet comprising a layer of skin-friendly adhesive, the adhesive layer being provided with a backing layer on the non-skin-facing surface thereof, and a flexible protection layer on the skin-facing surface of the adhesive layer, the protection layer protecting the adhesive layer before use of the wafer and the protection layer being attached to the adhesive layer in such a way that it is releasable and wherein the protection layer is in the form of a porous material. | 03-12-2015 |
20150100008 | Methods for Using Polymer Foam Absorbent Materials in Wound Dressings - Disclosed are methods for using open-celled polymeric foam wound dressings made from high internal phase emulsions (HIPEs). The wound dressings have a high capillary pressure and may reduce or obviate the need for treatments like negative pressure wound treatment (NPWT). Also disclosed are structures for HIPE foam wound dressings. The HIPE foam wound dressings typically include at least two layers of HIPE foam with different, but homogeneous, average cell sizes. The average cell sizes form a cell size gradient, with cell size typically decreasing from the front or face layer of foam toward the back layer of foam. The back layer of foam may be a collapsed layer, while the front layer or layers may be expanded. Compared with HIPE foams for other absorbent applications, the wound dressing foams may be higher in hydratable salts and higher in initial moisture levels. | 04-09-2015 |
20150290043 | WOUND BARRIER PAD - A wound barrier pad is provided having a housing with a truncated conical shape. A base plate with an opening is disposed in the housing, and the housing is filled with a fluid or padding. The wound barrier pad may be incorporated into a garment. In another embodiment the wound barrier pad includes a ring and an adhesive such that the wound barrier pad may be directly adhered to the patient, thus eliminating the need for the garment. In another embodiment there is a wound barrier device having a pad assembly and an anti-sheer member. In another preferred embodiment there is a sacral wound barrier pad device comprising a sacral wound barrier pad assembly having teardrop shape and first and second pads with at least one insert disposed between the first and second pads. A contact layer is joined to the second sacral pad. | 10-15-2015 |
20150328054 | KINESIOLOGY TAPE BANDAGE - A kinesiology tape bandage includes a piece of anisotropically stretchable woven fabric, a stretchable dressing attached to a first side of the fabric, and pressure-sensitive adhesive applied to at least some of an exposed area of the first side of the fabric. The kinesiology tape bandage is applied to a body by stretching the kinesiology tape bandage to at least 125% of its unstretched length, positioning a dressing of the bandage over a wound on the body, and pressing the stretched bandage against the body to activate a pressure-sensitive adhesive on the bandage and adhere the stretched bandage to the body. | 11-19-2015 |
20160038345 | CONFORMABLE MEDICAL DRESSING WITH SELF SUPPORTING SUBSTRATE - A medical dressing comprising a backing layer and a self-supporting substrate. The backing layers form a perimeter around the self supporting substrate and hold the self supporting substrate in place on a wound. | 02-11-2016 |
20160067102 | WOUND DRESSINGS - A wound dressing comprises an absorbent body of foam material with first and second major surfaces. The first major surface is, in use, the wound-facing surface of the absorbent body. A thermochromic indicator is incorporated into, or is in intimate contact with, the second major surface of the absorbent body. The thermochromic indicator is sensitive to a change in temperature of the skin below the dressing and so is indicative of an infection. | 03-10-2016 |
20160074233 | Leakage-Reducing Dressing - An adhesive dressing that reduces the leakage of wound exudate from the dressing, comprising an adhesive-coated backing sheet; and an absorbent island adhered to said adhesive-coated backing sheet by said adhesive, having a first end and a second end, wherein the absorption capacity of the absorbent island is higher at the first end than at the second end. The adhesive dressing of the invention provides extended wear time for the dressing when it is applied to wounds. | 03-17-2016 |
20160128872 | WOUND PAD - Wound pads and systems and kits comprising wound pads whose total thickness can be modified by a user without the use of tools, comprising a plurality of separable layers having layer thicknesses less than the thickness of the wound pad. The wound pads may be used as wound fillers in the context of negative pressure wound therapy (also known as “vacuum treatment”, “reduced pressure” treatment). | 05-12-2016 |
20180021177 | Open Wound Dressing with Protection Against Contact | 01-25-2018 |
20190142991 | OPTIMIZED COMPOSITION FOR INTERFACE DRESSING | 05-16-2019 |