Abstract: A wound treatment device comprising a water-impermeable envelope having at least one aperture. The envelope contains a therapeutic substance. The at least one aperture in the envelope is blocked by a material that breaks down in the presence of one or more active components of wound fluid thereby permitting the therapeutic substance to contact the wound fluid. Preferably, the aperture is blocked by a material that is a substrate for an enzyme present in would fluid, such as a protease.

Abstract: Hydrocolloid-containing pressure-sensitive adhesive compositions for medical use are disclosed which contain networks of fibrillated polymeric fibers that have surface areas of at least 4 square meters per gram and which have superior properties of low cold flow and high cohesive strength.

Abstract: Provided herein are protective laminate devices comprising a biocompatible non-adherent substance and a fast-setting adhesive and methods of use. Also provided is a dispenser for an adhesive tape. The protective laminate devices and methods may be used for wound closure.

Abstract: The present invention relates to a method of manufacturing two different patterned adhesive layers simultaneously, and a wound dressing comprising both the adhesive layers.

Abstract: The present invention relates to a method for making a net patterned adhesive layer by a mould, and a wound dressing comprising a net patterned adhesive layer.

Abstract: A simple, versatile and easily applicable deformable wound protector apparatus for preventing foreign objects such as clothing and dressing from contacting the wound comprising a desirable length, a start and an end, and a lower and upper surface. The present invention may further include bridges and connectors to enhance its application. The deformable wound protector can conform to the specific contour and size of any wound and may be used with any dressing.

Abstract: A tissue treatment device has a flexible treatment portion that includes one or more parts and holes arranged in an openwork. A treatment area is defined in the openwork. The treatment portion is deployed such that the treatment area is positioned over tissue to be treated. The openwork minimizes contact between the tissue treatment device and the tissue being treated. A flexible cover is secured against the flexible treatment portion to close the holes and form a treatment volume in the openwork. The minimal contact between the tissue treatment device and the tissue being treated promotes a desired clinical objective.

Abstract: A PIV window dressing assembly with integral, built-in tubing anchors for the protection of a PIV catheter insertion site is disclosed that is interchangeably usable on both a right or left-hand side insertion site and that resists detachment from a patient's skin during use. The dressing assembly includes a fabric layer that is bounded by an edge. The fabric layer has an adhesive side, an opposite non-adhesive side, and at least one opening therein to allow for viewing therethrough. At least one reinforcement member is disposed between the fabric layer edge and the opening. The reinforcement member is adhered to the fabric layer adhesive side. A transparent film layer having an adhesive skin adhering side and an opposite non-adhesive side closes each of the openings in the fabric layer. The film layer non-adhesive side is adhered to the fabric layer adhesive side.

Abstract: A wound dressing comprising an absorbent pad, an adhesive layer, and a backing layer is described, along with a dressing support layer configured to retain and deliver the wound dressing to a wound, the dressing support layer having a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the perimeter of the wound dressing.

Abstract: An electronic bandage includes (i) bandage material, (ii) a treatment portion supported by the bandage material, the treatment portion being constructed and arranged to provide a treatment, and (iii) a flexible electronic controller supported by the bandage material. The flexible electronic controller combines with the bandage material and the treatment portion to form a conformable bandage which conforms to a treatment surface. The flexible electronic controller is constructed and arranged to dynamically control application of the treatment to the treatment surface while the conformable bandage conforms to the treatment surface. Such a bandage is capable of being packaged as a unitary body which is small, inexpensive and/or disposable.

Abstract: A self-adherent window dressing includes a fabric layer bounded by an edge. The fabric layer has an adhesive side, an opposite non-adhesive side, and an opening therein to allow for viewing therethrough. A reinforcement member is adhered to at least a portion of the fabric layer. A transparent film layer closes the opening and has first and second opposing sides. The film layer first side is non-adhesive and is mounted on the fabric layer adhesive side to close the opening in the fabric layer. The film layer second side has a skin adhering adhesive portion and an adhesive-free portion. The adhesive-free portion is disposed inwardly of the opening. The film layer adhesive-free portion is adapted not to stick to a wound, connector, or catheter disposed between the film layer adhesive-free portion and skin.

Abstract: A bandage bag provides the dual functions of holding a medical apparatus to a patient for daily wear and of serving as a waterproof bandage, especially for a catheter and its insertion site. The bandage bag comprises a bag and two adhesive layers. The bag opens along a first edge. One adhesive layer is placed along the other three edges on the anterior side of the bag. The second adhesive layer is placed along the first edge on the posterior side of the bag. The bag is attached to a patient's arm near the insertion site using the second adhesive layer. The catheter tubing and port is placed in the bag. The bag is then folded over so the first adhesive layer on the anterior side faces the arm and covers the insertion site, forming a waterproof bandage for the insertion site and the medical apparatus.

Abstract: An integrated wound dressing system and method including a bandage and a self-contained receptacle that stores treatment material for the care and treatment of wounds. The treatment material is easily accessible and can be removed from the receptacle through an exit. The treatment material can then be used to control bleeding and/or clean the wound before dressing. The bandage may include a layer of plastic that acts as an occlusion barrier to reduce heat loss and maintain moisture levels at the wound site. The occlusion barrier also acts to prevent the passage of air into or out of the wound site. The bandage also includes fasteners that act to prevent unintentional unraveling and to secure the bandage during final packaging. These fasteners help facilitate the wrapping of amputations, stumps, and extremities. The integrated wound dressing system provides an all-in-one system for treating and dressing wounds and reduces the time required to do so.

Abstract: A dressing having a flexible sleeve shaped to accommodate a substantially cylindrical body or plant portion, the sleeve having a lining which is substantially non-adherent to the body or plant part being bandaged and having a peripheral securement means which attaches two peripheral portions to each other without those portions being circumferentially adhered to the sleeve portion.

Abstract: An anisotropic wound drape for treating a wound on a patient includes a flexible sheet for placing over a tissue site. The flexible sheet includes a first isotropic zone, and a second isotropic zone. The first isotropic zone and the second isotropic zone are configured to provide the flexible sheet with anisotropic stretching properties. The anisotropic drape may used as part of a reduced-pressure wound treatment system. Other systems and methods are also presented.

Abstract: A hospital type of bandage integrates an absorbent pad and non-stick layer with a fluid-impermeable outer layer and an adhesive in a single composite structure. In a preferred embodiment the invention further includes means which may be used to turn the bandage inside out upon removal, so that surfaces once contacting a patient are no longer externally exposed. A bandage according to the invertible embodiment preferably includes a pocket formed on the side of the bandage facing away from the patient after application, this pocket being large enough to accommodate at least a portion of a human hand, and inside this pocket and located opposite the entrance is a means for grasping which may be pulled outwardly through pocket opening, thereby inverting the entire structure. Various forms of devices for grasping are possible as alternatives, including a string, a tab and a tab with one or more finger-receiving holes.

Abstract: A reinforced closure anchor includes a fabric layer having an adhesive side, an opposite non-adhesive side, and an outer edge. An anchor member layer having a reinforcing structure, an adhesive side, and an opposite non-adhesive side is disposed on the fabric layer. The anchor member non-adhesive side is adhered to the fabric layer adhesive side. The anchor member is disposed within the outer edge of the fabric layer.

Abstract: A wound shield for exudate management may include a conformable frame to circumscribe a wound. The conformable frame may be formed of material for absorbing wound exudate. Exudate absorbing material may also be one of two or more layers of material forming the conformable frame. The layers may be arranged to keep the exudate absorbing layer at some selected distance from a patients skin. Any suitable dressing may be secured over the conformable frame providing separation between the wound and the dressing. The wound frame may provide pressure relief around a wound or pressure sore to permit healing. The conformable frame may be wrapped, in a spiral, around a wound providing an increasing pressure relief by increasing distance from the wound. A conformable frame may be composed of one or more layers of any suitable material and may include adhesive on one or more surfaces to secure the frame to the wound site and or to secure the dressing to the conformable frame.

Abstract: A wound dressing comprising a backing layer, a skin facing layer and an absorbent layer between the backing layer and the skin facing layer, characterised in that at least a part of the absorbent layer is adjacent to the backing layer, the backing layer and the absorbent layer are mutually displaceable, and that the skin facing layer is located at the skin facing surface of the backing layer.

Abstract: Embodiments of a chest dressing assembly having a rigid body defining an inner chamber accessible by an opening for placement over a chest wound and one or more protected check valves on the rigid body that allow fluid, e.g., blood or air, to flow out of the chamber but prevent fluid flow into the chamber are disclosed. The body is rigid in order to prevent the dressing from being crushed when heavy clothing such as body armor covers the dressing, or in cold weather climates which require heavy clothing such as Afghanistan. Similarly, the body is shaped and the check valves are located on the body, such as in a recess, in order to prevent the same heavy clothing or body armor from interfering with the operation of the check valves.

Abstract: Medical articles including an absorbent layer, a backing layer and an optional liquid permeable facing layer are disclosed. The construction of the medical article is such that volumetric expansion of the absorbent layer is allowed in directions parallel to the surface of the backing layer as the absorbent layer absorbs moisture. The medical article may include a debonding agent located between the absorbent layer and the backing layer. The absorbent layer is operably attached to the backing layer. When the absorbent layer absorbs moisture, e.g., wound exudate, at least a portion of the absorbent layer detaches from the backing layer such that the absorbent layer can expand and move relative to the backing. The debonding agent facilitates this change from attachment to detachment of the absorbent layer to the backing.

Abstract: A disposable bandage for covering a wound area of a skin surface includes a self adhesive first fastener portion and a second fastener portion, a dome having a generally rectilinear shape and constructed from a thin rigid material, the dome being coupled to the first fastener portion along one edge and coupled to the second fastener portion along a second edge. The dome includes pleats that extend across the dome shape from the top edge to the bottom edge of the dome. A gasket is formed of a stretchable material and extends around the underside of the dome. The gasket is held in contact with the skin surface when the first fastener portion and the second fastener portion are pressed to a user's skin and, when the first fastener portion and the second fastener portion are moved away from each other, the pleats are unfolded and the gasket material is stretched and remains in contact with the skin surface.

Abstract: A hemostatic device for promoting the clotting of blood includes a gauze substrate, a clay material disposed on the gauze substrate, and also a polyol such as glycerol or the like disposed on the gauze substrate to bind the clay material. When the device is used to treat a bleeding wound, at least a portion of the clay material comes into contact with blood emanating from the wound to cause the clotting. A bandage that can be applied to a bleeding wound to promote the clotting of blood includes a flexible substrate and a gauze substrate mounted thereon. The gauze substrate includes a clay material and a polyol. A hemostatic sponge also includes a gauze substrate and a dispersion of hemostatic material and a polyol on a first surface of the substrate.

Abstract: Adhesive devices used as wound dressings, ingredient delivery devices and IV hold-downs include a handling layer comprised of a layer of conductive material and at least one layer of non-conductive material, adhered to the non-adhesive coated side of an adhesive coated polymeric film layer, by an electrostatic charge, rather than by an adhesive.

Abstract: A reclosable wound dressing system, comprising a base portion having a circumference and lower and upper sides, the lower side carrying an adhesive that adheres to the skin, the upper side defining a first part of a two-part mechanical fastener system, the base portion defining an open area within the circumference, and a covering portion having a lower side that defines the second part of the two-part mechanical fastener system, the covering portion overlying at least part of and engaging with the upper side of the base portion, the covering portion fully covering the open area of the base portion, to cover a wound located in the open area.

Abstract: An adhesive hydrogel dressing as well as to methods of applying the dressing to a patient is described. The dressing generally comprises an adhesive hydrogel pad, a backing layer, and an adhesive layer on the backing layer facing the hydrogel pad. The adhesive layer and backing layer form a perimeter around the hydrogel pad and hold the hydrogel pad in place on an application surface. The adhesive hydrogel pad is formed with at least a portion of the perimeter of the hydrogel pad tapered proximate the area that the hydrogel pad and release liner separate during liner removal.

Abstract: A wound dressing comprises a first layer 10 including a sheet that exerts a water pressure resistant function at an initial stage, a second layer 20 including an absorptive material, and a third layer 30 including a sheet impermeable to liquid. The first layer 10, the second layer 20 and the third layer 30 are integrally stacked together so that the second layer 20 is sandwiched between the first layer 10 and the third layer 30. The wound dressing will not be completely stuck on the wound surface, the exudates can be adequately held on the wound surface, and the exudates can be prevented from leaking to the outside through the dressing.

Abstract: A wound dressing comprising an absorbent pad, an adhesive layer, and a backing layer is described, along with a dressing support layer configured to retain and deliver the wound dressing to a wound, the dressing support layer having a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the perimeter of the wound dressing.

Abstract: Methods of use of a multi-layer wrap, for providing more comfortable gel treatment to skin and pressure therapy for underlying skin, the wrap allowing for migration of moisture away from the skin while providing compressive musculo-skeletal support to the treatment site.

Abstract: A wound dressing defines bodyside and backside surfaces. The dressing comprises a backing layer defining a center portion and a border portion surrounding the center portion. An absorbent core is connected to a surface of the backing layer within the center portion The absorbent core may be exposed along a bodyside surface of the wound dressing, or various adhesives and non-adhesive substrates may be applied along a surface of the absorbent core so as to define part of the bodyside surface of the wound dressing.

Abstract: A wound dressing defining skin facing areas having different degrees of skin adherence. The dressing comprises a backing layer defining a center portion and a border portion surrounding the center portion. An absorbent core is connected to a surface of the backing layer within the center portion. The absorbent core may be exposed along a proximal surface of the wound dressing, or various adhesives and non-adhesive substrates may be applied along a proximal surface of the absorbent core.

Abstract: The present disclosure relates to dressings, such as patches and bandages, and other devices and systems that deliver nitric oxide.

Abstract: A toe and finger guard includes a protective member bendable from an initial, generally planar shape to a curved shape when mounted on a digit to be protected. A foam member is secured to the protective member. An adhesive tape overlies the protective member and the foam member and secures them on the digit. Advantageously, the protective member is a plastic square that is initially rigid and generally planar. The square is deeply grooved to acquire the capacity to be bent from its initial planar, generally rigid shape to a curved, flexible shape when mounted on the digit to be protected.

Abstract: A wound dressing comprising an absorbent pad, an adhesive layer, and a backing layer is described, along with a dressing support layer configured to retain and deliver the wound dressing to a wound, the dressing support layer having a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the perimeter of the wound dressing.

Abstract: A wound dressing including a backing layer, an adhesive layer and an absorbent layer between the backing layer and the adhesive layer, in which the adhesive layer secures the absorbent layer to the backing layer and the adhesive layer is interrupted in at least one zone exposing at least a part of the skin contacting surface of the absorbent layer. At least the skin-facing surface of the adhesive layer is provided with a non-detachable, non-adhesive cover layer.

Abstract: A bandage is for use in covering a tip of a digit. The bandage includes a backing material and an absorbent material. The backing material includes a coupling mechanism, and is substantially planar. The absorbent material is coupled to the backing material and includes a first portion and a second portion. The first portion includes a first end, a second end, and a body extending therebetween. The body has a width that is narrower than a width of the digit, wherein the width of the digit is measured adjacent to the tip of the digit. When the bandage is applied to the digit, the first portion is configured to extend generally axially over a portion of the digit and the second portion is configured to extend at least partially circumferentially about a portion of the digit.

Abstract: A skin patch that can enhance the water resistance and handling easiness and can alleviate any irritation on the user. There is provided a skin patch having a flexible backing and, superimposed thereon, a plaster containing a styrene-isoprene-styrene block copolymer and having a glass transition temperature (Tg) of ?45° to ?35° C. and tan ? (lag angle) value, determined at dynamic viscoelasticity measurement (frequency 6.2832 rad/s) at 45° C., of 0.25 or less.

Abstract: Devices for reduction of damage from friction and for prevention and treatment of skin breakdown by relief of friction and shear forces. A friction reducing device may include a pair of thin membranes with low coefficients of friction with respect to each other, and of which one is free to slide through a limited distance along the other. A method of making one such device includes forming a dome in a flexible film and adhesively attaching a skirt surrounding the dome to a skin contact layer. Similar friction reducing devices may be incorporated in shoes, other clothing, or sports equipment or used to protect movable rods or cables.

Abstract: A method of the invention is provided for making a wound dressing including an absorbent core having proximal and distal surfaces, and a liquid impervious, vapor permeable backing layer extending over the distal surface of the absorbent core. The backing layer has a portion defining a compliant element disassociated and outwardly extending from the distal surface of the absorbent core. The method includes the steps of securing a border portion of the backing layer to a border portion of the absorbent core located near the periphery thereof, connecting a central portion of the backing layer to a central portion of the absorbent core, and forming the compliant element by drawing a portion of the backing layer away from the absorbent core.

Abstract: The invention relates to an absorbent article for application to human or animal skin surfaces in the region of wounds, consisting of an outer covering (2) which is permeable for liquid substances, and of an inner layer (1) which is surrounded by the covering (2) and which consists essentially of a mixture of an amount of strongly osmotically active substances with an amount of osmotically comparatively weak or osmotically inactive substances, such as cellulose. The inner layer (1) is filled with osmotically active substances in such a way that it is possible to exert on a wound, with the wound fluids contained therein, an osmotic pressure via which the wound fluid can be removed from the organism to be treated, and thus it is possible to assist both in the surfaced wound region and in the depth of the tissue a normal interstitial hydration of tissue by directing endogenous fluids in their direction of flow to the patient's skin surface into the absorbent article, and keeping them there.

Abstract: A carrier delivered dressing is disclosed which has a conformable backing with a pressure sensitive adhesive coated on a bottom face and removable carrier attached to the top face of the backing. A bond block material is positioned between the backing and the carrier. A cut line traverses both the carrier and the bond block material to form a tab.

Abstract: A wound dressing including an absorbent core defining opposed proximal and distal surfaces, the distal surface of the absorbent core defining a central portion, a border portion and an intermediate portion interposed between the central and border portions. The backing layer defines at least one compliant element disassociated from the distal surface of the absorbent core and including at least one ridge extending outwardly relative to the distal surface of the absorbent core.

Abstract: An abdominal wound dressing and methods of use are described that enable the application of negative pressure to the wound site in a healing manner while also limiting the formation of adhesions that would prevent the removal of the dressing. The dressing comprises a layer of porous foam material enclosed by sheets of elastomeric material punctuated by a number of appropriately placed holes. Multiple layers of porous foam may also be used. A suction tube connector is provided on an upper surface of a layer of foam for connection to a negative pressure source. At least one layer of foam is enclosed in elastomeric material and is placed in direct contact with the tissue within the open wound. Fluids are drawn by negative pressure through the holes positioned in the elastomeric envelope and through the foam.

Abstract: An adhesively attachable bandage for an open wound. A one-way valve permits air or other fluids to move through the bandage in one direction, as to escape from a body cavity, but prevents fluids from moving in the other direction, as in entering the wound. A selectively sealable port can be opened to give access directly to the wound. The bandage may be transparent.

Abstract: A wound dressing including an absorbent core defining opposed proximal and distal surfaces, the distal surface of the absorbent core defining a central portion, a border portion and an intermediate portion interposed between the central and border portions. The backing layer defines at least one compliant element disassociated from the distal surface of the absorbent core and including at least one ridge extending outwardly relative to the distal surface of the absorbent core.

Abstract: A medical closure screen device for a separation of first and second tissue portions is provided, which includes a mesh screen comprising tubular vertical risers, vertical strands with barbed filaments, and horizontal spacers connecting the risers and strands in a grid-like configuration. An optional perimeter member partly surrounds the screen and can comprise a perimeter tube fluidically coupled with the vertical risers to form a tubing assembly. Various input/output devices can optionally be connected to the perimeter tube ends for irrigating and/or draining the separation according to methodologies of the present invention. Separation closure, irrigation and drainage methodologies are disclosed utilizing various combinations of closure screens, tubing, sutures, fluid transfer elements and gradient force sources. The use of mechanical forces associated with barbed strands for repositionably securing separated tissues together is disclosed.

Abstract: A flexible medical closure screen for closing a separation of first and second tissue portions is provided, which includes a mesh screen comprising tubular vertical risers, vertical strands with barbed filaments, and horizontal spacers connecting the risers and strands in a grid-like configuration. An optional perimeter member partly surrounds the screen and can comprise a perimeter tube fluidically coupled with the vertical risers to form a tubing assembly. Various input/output devices can optionally be connected to the perimeter tube ends for irrigating and/or draining the separation according to methodologies of the present invention. Separation closure, irrigation and drainage methodologies are disclosed utilizing various combinations of closure screens, tubing, sutures, fluid transfer elements and gradient force sources. The use of mechanical forces associated with barbed strands for repositionably securing separated tissues together is disclosed.

Abstract: A wound dressing comprising a backing layer and a skin facing layer and an absorbent pad, wherein the absorbent pad is sandwiched between the backing layer and the skin facing layer, and the two layers constitutes an envelope, the absorbent pad has an expansion of surface area, when fully expanded, of at least 10%, and wherein the surface area of said envelope is at least 10% larger than the surface area of the non-expanded absorbent pad. The envelope provides room for expansion of the absorbent pad without buckling or folding of the absorbent pad.

Abstract: Wound dressings and methods of manufacturing wound dressings are provided. The wound dressings include portions that are converted from a moisture vapor permeable material to a material having reduced moisture vapor permeability. The conversion may be accomplished in a variety of ways. In some embodiments, a solvent is used to dissolve a porous material to thereby form a non-porous film. In other embodiments, heat is applied to melt a porous material to thereby form a non-porous film. The heat may be applied using a heated gas or a heating element to directly or indirectly heat the material.

Abstract: A bandage remains securely attached to the skin of a wearer during extended exposure to arid, humid or wet conditions. The bandage is readily removed from the attached condition upon application of pressure to its exterior surface. Adhesive portions of the contain pockets or microcapsules filled with an adhesive-inactivating ingredient. The pockets are formed in the backing layer. Microcapsules, if present, are incorporated in the adhesive. The adhesive inactivating ingredient comprises oil from vegetable source, mineral source or fatty acids. The wearer ruptures the pockets or microcapsules by applying pressure to the bandage above the adhesive portions. The adhesive-inactivating ingredient is thereby released at the skin-adhesive interface, permitting an easy, pain-free removal of the bandage.