Abstract: Dressing embodiments may include a first layer comprising a polymer film having a plurality of perforations, and a second layer comprising a manifold. In some embodiments, the second layer may have a length of at least 12 centimeters. In some embodiments, the second layer may have a thickness of between 7 millimeters and 10 millimeters. In some embodiments, the manifold may comprise a plurality of slits configured to provide conformability. The manifold may also be configured to maintain at least 80% of an applied negative pressure through the length.

Abstract: A reduced-pressure treatment system for debriding a treatment area of a tissue site and applying reduced pressure is disclosed. The reduced-pressure treatment system includes a hydrogel having a blocked acid debriding agent. The hydrogel is adapted to cover the treatment area and enhance autolytic debridement at the treatment area. The reduced-pressure treatment system includes a manifold that is adapted to cover the hydrogel and distribute reduced pressure to the tissue site. The reduce-pressure treatment system also includes a sealing drape for forming a fluid seal over the tissue site and manifold. Other systems, methods, and dressings are presented.

Abstract: Dressings and kits for use in wound therapy and negative-pressure therapy comprising a manifold layer comprising porous open-cell liquid permeable foam and a polymer composition The polymer composition comprises a polymer and an active agent, such as collagen and oxidized regenerated cellulose. The foam may be felted. Methods of making and using the dressings are also provided.

Abstract: A dressing for treating a tissue site, particularly an abdominal or peritoneal site, is disclosed. In some embodiments, the dressing may comprise a tissue interface formed from a first layer of a liquid-impermeable material and a plurality of manifolding bubbles formed as part of the first layer. In some embodiments, the tissue interface may further comprise a second layer of a permeable material, where the manifolding bubbles are formed as closed cells between the first layer and the second layer. The tissue interface may also include a third layer of liquid-impermeable material positioned adjacent to the second layer, where one or more fluid passageways may be formed between the second layer and third layer for delivering a therapeutic fluid to the tissue site.

Abstract: A dressing for an internal cavity may include a connector, a negative pressure pathway layer, an instillation pathway layer, a negative pressure manifold, and an instillation manifold. The negative pressure manifold can be disposed within the negative pressure pathway layer and the instillation manifold can be disposed within the instillation pathway layer. A proximate end of the negative pressure manifold can be fluidly coupled with a first channel of the connector. The proximate end of the instillation manifold can be fluidly coupled with a second channel of the connector. The negative pressure pathway layer and the instillation pathway layer can be configured to cooperatively form an inner volume therebetween. The inner volume may be configured to receive a space filler. The negative pressure pathway layer, the instillation pathway layer, and the space filler can be collectively configured to be positioned within the internal cavity.

Abstract: Dressings, systems, and methods for treating a tissue site with negative pressure are described. The dressing includes a manifold having a first surface and a second surface opposite the first surface, a first layer adjacent to the first surface, and a second layer adjacent to the second surface. The first layer and the second layer each are formed from a polymer film. A plurality of fluid restrictions are formed in the polymer film adjacent to at least the first surface. A first plurality of bonds is formed between the first layer and the second layer. The first plurality of bonds define separable sections of the manifold. A second plurality of bonds is formed between the first layer and the second layer. The second plurality of bonds define a plurality of openings.

Abstract: Devices for delivering a flowable tissue dressing material for treating a tissue site are described. The devices include a first zone including a first reactant, such as a polyol, and a second zone including a second reactant, such as a multi-isocyanate, which can be mixed together to form a flowable tissue dressing material. The device can also include a flowable tissue dressing material including a reacted polymer present in a carrier. Kits and methods including and/or using the devices are also described.

Abstract: A conduit includes a first end configured to be fluidly coupled to a wound site, and a second end configured to be fluidly coupled to a canister. The conduit additionally includes a central lumen extending between the first end and the second end. The conduit further includes a male interlocking member on a first side of the conduit and a female interlocking member on a second side of the conduit. Both the first side and the second side extend along a length of the conduit between the first end and the second end. The female interlocking member is configured to receive the male interlocking member.

Abstract: An apparatus for filling a wound can include an array of at least four truncated ellipsoids interconnected to define at least one fluid path through, for example perpendicular to, the array. The longest principal axis of each ellipsoid may be perpendicular to the array. Each truncated ellipsoid may be a spheroid and/or may include an approximately elliptical contact surface at each contact surface between two interconnected ellipsoids. Each fluid pathway may have four continuously-curved concave sides and may have a parallelogram-shaped cross-section with continuously-curved concave edges. A dressing may include the apparatus, a dressing layer coupled to the apparatus, a backing layer disposed over a surface of the dressing layer opposite the apparatus, and an attachment device disposed on at least a margin of the backing layer. Methods of treating various tissue sites using the apparatus or dressing with negative-pressure therapy are also disclosed.

Abstract: A dressing for treating a tissue site with negative pressure includes a manifold having a first surface and a second surface opposite the first surface. The dressing also includes a first layer adjacent to the first surface and a second layer adjacent to the second surface. The first layer and the second layer each include a polymer film. The dressing also includes a plurality of fluid restrictions in the polymer film adjacent to at least the first surface, and a plurality of bonds between the first layer and the second layer. The plurality of bonds defines separable sections of the manifold.

Abstract: Dressings for treating a tissue site with negative pressure are disclosed, which may include a dressing having at least three layers assembled in a stacked relationship. In one example embodiment, a first film may comprise a non-porous material and a plurality of fluid restrictions. A first manifold layer may be adjacent to the first film and may comprise a second film of a transparent material having blisters and a manifold area. The first manifold layer may further comprise apertures configured to allow fluid transfer through the second film. A second manifold layer may be adjacent to the first manifold layer and may comprise foam having a contact area that is less than the manifold area of the first manifold layer.

Abstract: A dressing includes a manifold layer and a drape coupled to the manifold layer and configured to seal the manifold layer over a wound. The drape has an opening extending therethrough. A connection pad is positioned at the opening and configured to couple the dressing to a tube. The connection pad includes an outer ring coupled to the drape and a center dimple extending away from the drape and defining a volume between the center dimple and a plane defined by the outer ring. The dressing also includes an absorbent manifolding structure positioned between the center dimple and the manifold layer and formed to substantially match a shape of the volume.

Abstract: A dressing for a wound can include a body layer formed from an absorbent material. The dressing can also include multiple wicking cores disposed within the body layer. Each of the multiple wicking cores can be configured to provide a visual indication at a different state of liquid absorption in the body layer.

Abstract: Dressings for closing an opening through a surface of a tissue site are described. The dressing includes a cover adapted to form a sealed space over the opening and a bolster. The bolster is adapted to be positioned adjacent the opening and includes a first plurality of holes. The holes have an average width to length ratio causing the plurality of holes to collapse in a direction substantially perpendicular to the opening. Systems, apparatuses, kits and methods including and/or using the dressing for closing the opening are also described.

Abstract: This disclosure describes devices, systems, and methods related to a connector for a dressing, such as a dressing of a hyperbaric oxygen therapy system. An example of a connector includes a connector body configured to define at least a portion of a first channel. The connector also includes a viewing member coupled to the connector body. The connector further includes a deformable member positioned within the first channel. The deformable member is configured to deform based on a pressure associated with the deformable member and to provide a visual indication, via the viewing member, of the pressure.

Abstract: In an example is a system for providing treatment to a tissue site. The system may include a tissue interface for transporting fluid to the tissue site. The system may further include a cover for providing a sealed space including the tissue interface. The system may further include a negative-pressure source fluidly coupled to the tissue interface and providing negative pressure. The system may further include a hyperoxic fluid source fluidly coupled to the tissue interface and providing a hyperoxic fluid. The system may further include a controller for controlling the negative pressure and the hyperoxic fluid so as to maintain the sealed space at a negative pressure while the hyperoxic fluid is provided to the sealed space.

Abstract: A wound dressing includes a hydrophilic foam layer, a plurality of wicking strips, and a drape layer. The hydrophilic foam layer is configured to engage a wound bed and has a first side and a second side, the second side configured to face the wound bed. The plurality of wicking strips also have a first side and a second side, the second side configured to face the first side of the hydrophilic foam layer. The drape layer also has a first side and a second side, the second side configured to face the first side of the plurality of wicking strips. One or more of the plurality of wicking strips also have a removable tab, wherein the tab extends beyond a periphery of the wound dressing.

Abstract: A dressing includes a first felted foam layer, a superabsorbent material printed on the first felted foam layer, and a second felted foam layer coupled to the first felted foam layer. The superabsorbent material is confined between the first felted foam layer and the second felted foam layer.

Abstract: Dressings for treating a tissue site with negative pressure are disclosed, which may include a dressing having at least three layers assembled in a stacked relationship. In one example embodiment, a first film may comprise a non-porous material and a plurality of fluid restrictions. A first manifold layer may be adjacent to the first film and may comprise a second film of a transparent material having blisters and a manifold area. The first manifold layer may further comprise apertures configured to allow fluid transfer through the second film. A second manifold layer may be adjacent to the first manifold layer and may comprise foam having a contact area that is less than the manifold area of the first manifold layer.

Abstract: A therapy system for treating a tissue site with negative-pressure therapy and/or fluid instillation therapy in response to information received from a diagnostic module is disclosed. In some embodiments, the therapy system may include a dressing, a negative-pressure source, a container, and a diagnostic module. The dressing may be adapted to be placed on the tissue site, and the negative-pressure source may be adapted to be fluidly coupled to the dressing. The container may be adapted to be fluidly coupled to the dressing and to the negative-pressure source and to receive fluid from the tissue site. The diagnostic module may be adapted to be exposed to gas associated with the fluid from the tissue site. The diagnostic module may comprise a sensor configured to detect a condition of the tissue site and to generate an output based on the detected condition. The sensor may be configured to detect a volatile organic compound. In some embodiments, the diagnostic module may be positioned on the container.