A medical drape for use with a reduced pressure system for providing reduced pressure to a tissue site is described. In some embodiments, the drape may include a flexible film, and an adhesive layer coupled to the flexible film. The adhesive layer may include a first adhesive disposed on a first portion of the flexible film in a first pattern. The first adhesive can be configured to secure the flexible film proximate to the tissue site. The adhesive layer generally includes a second adhesive disposed on a second portion of the flexible film in a second pattern. The second adhesive can be configured to seal the flexible film proximate to the tissue site. The first pattern and the second pattern are preferably registered so that the first portion and the second portion are offset to cover substantially different portions of the flexible film.

A dressing assembly for providing a warning to a patient or caregiver that the patient needs attention. The dressing assembly is adapted to be applied to or near a surface of the patient's body and generate electrical outputs corresponding to soft tissue pressure and other health characteristics sensed at the surface. The dressing assembly includes a pocket formed therein for removable, secured and protected insertion of a variety of different sensors such as multiple pressure sensors.

A wound patch includes a main body made of a non-woven fabric and having opposite first and second surfaces, an adhesive layer disposed on one of the first and second surfaces of the main body, a waterproof layer disposed on the other one of the first and second surfaces of the main body, and a plurality of pore-forming sections penetrating through the main body, the adhesive layer, and the waterproof layer. The adhesive layer is attached to a wound when the adhesive layer and the main body are stretched by an external force.

The present invention relates to a transparent elastic compression bandage film composite for the treatment of venous diseases and tissue lesions, comprising a transparent film layer of 5-50 microns thickness, a medical adhesive coated on at least a portion of one surface of the film layer, which is preferably hypoallergenic, a first release liner for longitudinal detachment covering the adhesive film surface and, optionally, a second release liner for longitudinal detachment to serve as a carrier, wherein the effects of elasticity and of strong adhesion add to a compression quality superior to textile European standard compression media, in the main affecting superficial varicosities and long-term wearing.

A method for measuring the adhesive strength of a hemostatic tissue patch. Two patches are attached to facing surfaces with a side that would normally seal tissue exposed. Liquid is placed on one of the patches to activate the hemostatic agent, the patches held together long enough to adhere to one another, and then pulled apart. The force necessary to detach them is measured, thereby providing a determination of the adhesive strength of the patch. In contrast to literature methods, the inventive method provides excellent reproducibility.

In some illustrative examples, a medical drape suitable for treating a tissue site may include an adherent surface including first adherent force profile oriented along a first axis and a second adherent force profile oriented along a second axis. The first adherent force profile may have an average force less than an average force of the second adherent force profile. Other apparatuses, systems, and methods are also provided.

A dressing for an open wound includes a cover layer dimensioned for positioning relative to a wound bed. The cover layer permits an evacuation of the space around the wound bed such that a sub-atmospheric pressure may be established to stimulate healing and facilitate the removal of fluid from the wound. Multiple performance zones in the cover layer allow the wound dressing to remain in position through repeated cycles of evacuation without placing undue strain on the wound bed. An outer peripheral zone may include a high peal-strength adhesive while an intermediate zone may include a shear resistant adhesive. A central zone may be devoid of any coating to maximize moisture transmission through cover layer.

A wound therapy apparatus is disclosed herein. In various aspects, the wound therapy apparatus may include a distal layer to contact a wound bed, the distal layer comprised of silicone, and fenestrations disposed about the distal layer pass between a distal side of the distal layer and a proximal side of the distal layer to communicate between the distal side and the proximal side. A pad may cooperate with the proximal side of the distal layer to receive exudate communicated through the distal layer from the wound bed via the fenestrations, in various aspects. Various materials including medicament(s) may be communicated to the wound bed through the distal layer via the fenestrations, in various aspects. A structural member may be included in various aspects to secure the distal layer and pad to a skin surface, in various aspects. Methods of use of the wound therapy apparatus are disclosed herein. This Abstract is presented to meet requirements of 37 C.F.R. § 1.72(b) only, and is not intended to identify key elements of the apparatus, methods, and compositions of matter disclosed herein or to delineate the scope thereof.

Disclosed herein is a device which is intended to deliver and maintain reduced pressure to body surfaces for application of reduced pressure wound therapy (RPWT) also known as negative pressure wound therapy (NPWT). During application of this type of therapy, a substantially airtight seal is formed around a section of tissue to be treated. This seal is formed by a dressing which provides fluid communication from a section of tissue to a reduced pressure source. Disclosed herein is a dressing system which is configured to enhance usability and functionality of this dressing. First, the system may be configured to allow full rotation of the fluid communication conduit to the reduced pressure source along the axis substantially normal to the dressing. Second, the system may be configured to include a one-way valve to prevent backflow of any drainage fluids. Third, the system may be configured with transparent windows covered by opaque flaps to allow inspection through the dressing. Fourth, the system may be configured to include an indicator which visually makes clear whether reduced pressure is being applied or not. Fifth, the system is configured to minimize the profile of the dressing system.

A medical drape for use with a reduced pressure system for providing reduced pressure to a tissue site is described. In some embodiments, the drape may include a flexible film, and an adhesive layer coupled to the flexible film. The adhesive layer may include a first adhesive disposed on a first portion of the flexible film in a first pattern. The first adhesive can be configured to secure the flexible film proximate to the tissue site. The adhesive layer generally includes a second adhesive disposed on a second portion of the flexible film in a second pattern. The second adhesive can be configured to seal the flexible film proximate to the tissue site. The first pattern and the second pattern are preferably registered so that the first portion and the second portion are offset to cover substantially different portions of the flexible film.