Patent classifications
A61F2013/00336
Polymeric film discontinuities in wound closure device
The present disclosure relates to a two-component medical device for closing a wound or incision. The two-component device comprising a first and second component, each comprising an adhesive-backed anchoring member having one edge referred to as the wound edge. The adhesive-backed anchoring members are produced from a polymeric film sheet. Disclosed are instances wherein the adhesive-backed anchoring members are characterized by the presence of one or more discontinuities in the polymeric film sheet.
BANDAGE, HOT-MELT ADHESIVE FOR PRODUCING A BANDAGE,USE AND METHOD FOR THE PRODUCTION OF A HOT-MELT ADHESIVE
The invention relates to the technical field of cohesive bandages. The invention relates to a bandage comprising a flat web material as a substrate, both main sides of the substrate being coated at least partially with a hot-melt adhesive. The invention also relates to a hot-melt adhesive for producing a bandage, to the use of a hot-melt adhesive for producing bandages, and to a method for producing a bandage. The hot-melt adhesive is based on a first polyolefin having—a proportion of 1-butene-derived monomer units; a proportion of ethylene-derived monomer units; and the hot-melt adhesive further comprises: at least one tackifier consisting of hydrocarbon resin and/or of hydrogenated hydrocarbon resin. The hot-melt adhesive can also contain a second polyolefin, preferably an amorphous polypropylene homo- or copolymer.
Antimicrobially active wound dressing for catheter fixings
A multilayered wound dressing which is two-dimensional and has a peripheral edge is provided that includes at least one hydrophobic antimicrobial layer, at least one absorbent layer which includes a water-containing hydrogel, and a covering layer. Starting from the edge of the wound dressing, at least one incision is formed, which partially separates the wound dressing.
POLYMERIC FILM DISONTINUITIES IN WOUND CLOSURE DEVICE
The present disclosure relates to a two-component medical device for closing a wound or incision. The two-component device comprising a first and second component, each comprising an adhesive-backed anchoring member having one edge referred to as the wound edge. The adhesive-backed anchoring members are produced from a polymeric film sheet. Disclosed are instances wherein the adhesive-backed anchoring members are characterized by the presence of one or more discontinuities in the polymeric film sheet.
POLYURETHANE FOAM SPONGE AND WOUND DRESSING HAVING THE SAME
Disclosed herein is a polyurethane foam sponge produced by the steps of a) providing an hydrophobic polyol which has six hydroxyl groups, b) providing a hydrophilic diisocyanate obtained by reacting a diisocyanate with a hydrophilic polyether diol, c) reacting the hydrophobic polyol with the hydrophilic diisocyanate to obtain a prepolymer which includes 3 to 6 isocyanate groups, and d) mixing the prepolymer with a hydrophilic polyether polyol, a blowing agent, an end-capping agent, a reinforcing agent, and a catalyst to obtain the polyurethane foam sponge. A wound dressing including the polyurethane foam sponge is also disclosed.
SEMI-RIGID BANDAGE
Semi-rigid bandages disclosed herein include a bandage structure layer with an embedded resin material. The resin material is formulated to cure when exposed to an activator such as air or water. Upon curing, the bandage hardens to a semi-rigid state that is harder and more rigid than conventional bandage materials found in household first-aid kits, yet less rigid than fiberglass-based orthopedic casts.
WOUND DRESSING WITH SELECTIVE AND DYNAMIC TRANSPARENCY
Wound therapy dressings are provided. The wound therapy dressings may include at least one selectively transparent layer with a refractive index in a range wherein interaction between the selectively transparent layer and fluids from a treatment site switches the selectively transparent layer from a first, opaque state to a second, transparent state. Dressings that include multiple layers may include polymer films with a plurality of fluid restrictions, a manifold, a transparent polymer drape, and a hydrophobic polymer layer. The dressings may further include negative pressure therapy treatment input devices. A method of use wherein the dressings are used to monitor fluid flow, exudate, and maceration around a treatment site is also provided.
WOUND DRESSING CONTAINING A VACUUM PUMP
The present invention relates to a wound healing PVA sponge dressing using negative capillary pressure of the dressing material together with auxiliary negative pressure for wound treatment. The PVA sponge dressing is pretreated with gram positive and gram negative biocidal 5 dyes for insertion into or over a wound. A negative pressure pump is mounted to the PVA sponge dressing to produce additional capillary pressure for withdrawing fluid or water vapor from the sponge dressing and a cover is mounted over the sponge material and negative pressure pump forming a unitary sealed package for placement over a wound.
STERILIZATION OF MEDICAL DRESSINGS WITH ENHANCED ANTIMICROBIAL PROPERTIES
The present invention relates to a sponge dressing for treating wounds comprised of a polymer sponge containing a plurality of antimicrobial dyes with at least one dye being gram positive and at least one other dye being gram negative and a silicon adhesive secured to a sponge surface. The sponge dressing can be exposed initially to gamma radiation and later sterilized by ethylene oxide or alternatively it can be sterilized by ethylene oxide and later irradiated by gamma radiation. The sponge dressing has a morphology characterized by an average pore throat diameter of 0.5-500 μm and a porosity ranging from about 60% to about 99.5%. The sponge dressing can also contain at least one biofilm reducing agent, at least one chelating agent and an ionic and non-ionic surfactant.
NEGATIVE PRESSURE WOUND THERAPY ARTICLE
An article including: a network of interconnected polymeric strands; wherein each of the interconnected polymeric strands has a first surface adapted to contact a tissue site; wherein none of the interconnected polymeric strand has a feature extending from the first surface of the interconnected polymeric strands; wherein at least one of the interconnected polymeric strands is non-linear; and a plurality of openings between adjacent interconnected polymeric strands; wherein the article is a negative pressure wound therapy article