# US 12,178,686 B2 · Wet wound dressing with adhesive edge > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,178,686 B2 - Document ID: US12178686B2 - Status: Granted - Kind: B2 - Application number: 17/283,415 - Filed: 2019-10-08 - Published: 2021-12-09 - Granted: 2024-12-31 - Earliest claimed: 2018-10-12 - Assignees: Ivf Hartmann AG - Applicants: Ivf Hartmann AG - Inventors: Jacqueline Marz; Markus Rothmaier - Web page: https://patentgrep.com/patent/US12178686B2 ## CPC - A61F 13/0209: {comprising superabsorbent material} - A61F 13/0253: {characterized by the adhesive material} - A61F 13/0223: {characterized by parametric properties of the fluid retention layer, e.g. absorbency, wicking capacity, liquid distribution} - A61F 13/0246: characterised by the skin-adhering layer - A61F 13/0259: {characterised by the release liner covering the skin adhering layer} - A61F 13/05: specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT] - A61F 2013/00582: {Properties of backing} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract The invention relations to a dressing (1) for treating wounds in damp or wet situations, comprising: a) a suction/rinsing body (2) which is supplied by the manufacturer with a saline aqueous solution, particularly a Ringer's solution, said solution preferably containing a substance exhibiting an antimicrobial effect, b) a planar carrier material (3) which is arranged on the side of the suction/rinsing body (2) that faces away from the wound and which projects over said suction/rinsing body (2) such that an edge extending around all sides of the suction/rinsing body (2) is formed, said edge being provided, with a layer of a skin-compatible silicone adhesive (4) on the side facing the wound, and c) a first protective layer (5) that covers the layer of a skin-compatible silicone adhesive (4) on the side facing the wound, characterized in that the wound dressing (1) comprises a second protective layer (6) arranged on the side of the carrier material (3) facing away from the wound, wherein both the first and the second protective layers (5,6) fully project beyond the carrier material (3), wherein the first protective layer (5) forms an opening that leaves the suction/rinsing body (2) uncovered, and wherein the first and second protective layers (5,6) protect the layer of a skin-compatible silicone adhesive (4) from contact with liquid and steam. ## Claims ### Claim 1 A wound dressing comprising: a suction body comprising opposite first and second sides, the suction body being treated with a saline solution; an adhesive layer comprising opposite first and second sides, the second side of the adhesive layer directly engaging the first side of the suction body; a backing material comprising opposite first and second sides, the second side of the backing material directly engaging the first side of the adhesive layer; a first protective layer facing the second side of the adhesive layer and positioned such that the second side of the suction body extends through an opening of the first protective layer; and a second protective layer facing the first side of the backing material and, wherein the suction body includes a circumferential wall extending from the first side of the suction body to the second side of the suction body, the suction body extending through the opening of the first protective layer such that the first protective layer directly engages opposite portions of the circumferential wall. ### Claim 2 (depends on 1) The wound dressing recited in claim 1, wherein the first and second protective layers each include opposite first and second ends, the first ends being hinged coupled to one another. ### Claim 3 (depends on 2) The wound dressing recited in claim 2, wherein the second ends are not connected to one another. ### Claim 4 (depends on 1) The wound dressing recited in claim 1, wherein the first and second protective layers each include opposite first and second ends, the first ends being hinged coupled to one another by a connector, the connector having a first leg that engages an outer surface of the first protective layer and a second leg that engages an outer surface of the second protective layer that faces opposite the outer surface of the first protective layer. ### Claim 5 (depends on 4) The wound dressing recited in claim 4, wherein the legs each extend parallel to the backing material. ### Claim 6 (depends on 1) The wound dressing recited in claim 1, wherein the second protective layer includes a first section and a second section that is separated from the first section by a slit. ### Claim 7 (depends on 6) The wound dressing recited in claim 6, wherein the slit has a serpentine configuration. ### Claim 8 (depends on 6) The wound dressing recited in claim 6, wherein the slit is positioned over the backing material. ### Claim 9 (depends on 1) The wound dressing recited in claim 1, wherein the wound dressing comprises projections extending from two edges of the second protective layer, the projections being configured for gripping. ### Claim 10 (depends on 9) The wound dressing recited in claim 9, wherein the second protective layer includes a first color and the projections each include a second color that is different than the first color. ### Claim 11 (depends on 1) The wound dressing recited in claim 1, wherein the backing material surrounds the suction body on all sides. ### Claim 12 (depends on 1) The wound dressing recited in claim 1, wherein the adhesive layer surrounds the suction body on all sides. ### Claim 13 (depends on 1) The wound dressing recited in claim 1, wherein the adhesive layer comprises silicone adhesive. ### Claim 14 (depends on 1) The wound dressing recited in claim 1, wherein the backing material is a sheet. ### Claim 15 (depends on 1) The wound dressing recited in claim 1, wherein the backing material is a polymeric film. ### Claim 16 (depends on 1) The wound dressing recited in claim 1, wherein the backing material is a textile material. ### Claim 17 (depends on 1) The wound dressing recited in claim 1, wherein the backing material comprises a first layer that is coupled directly to the first side of the suction body and a second layer that is coupled directly to an adhesive coated on the second protective layer on the side facing the backing material. ### Claim 18 A wound dressing comprising: a suction body comprising opposite first and second sides, the suction body being treated with a saline solution; an adhesive layer comprising opposite first and second sides, the second side of the adhesive layer directly engaging the first side of the suction body; a backing material comprising opposite first and second sides, the second side of the backing material directly engaging the first side of the adhesive layer; a first protective layer facing the second side of the adhesive layer and positioned such that the second side of the suction body extends through an opening of the first protective layer; and a second protective layer facing the first side of the backing material, wherein the first and second protective layers each include opposite first and second ends, the first ends being hinged coupled to one another by a connector, the connector having a first leg that engages an outer surface of the first protective layer and a second leg that engages an outer surface of the second protective layer that faces opposite the outer surface of the first protective layer, the legs each extending parallel to the backing material, wherein the second protective layer includes a first section and a second section that is separated from the first section by a slit having a serpentine configuration, the slit being positioned over the backing material, wherein the adhesive layer comprises silicone adhesive, wherein the backing material is a sheet, wherein the backing material comprises a first layer that is coupled directly to the first side of the suction body and a second layer that is coupled directly to an adhesive coated on the second protective layer on the side facing the backing material, wherein the suction body includes a circumferential wall extending from the first side of the suction body to the second side of the suction body, the suction body extending through the opening of the first protective layer such that the first protective layer directly engages opposite portions of the circumferential wall, wherein the wound dressing comprises projections extending from two edges of the second protective layer, the projections being configured for gripping, and wherein the second protective layer includes a first color and the projections each include a second color that is different than the first color. ### Claim 19 A wound dressing consisting of: a suction body comprising opposite first and second sides, the suction body being treated with a saline solution; an adhesive layer comprising opposite first and second sides, the second side of the adhesive layer directly engaging the first side of the suction body; a backing material comprising opposite first and second sides, the second side of the backing material directly engaging the first side of the adhesive layer; a first protective layer facing the second side of the adhesive layer and positioned such that the second side of the suction body extends through an opening of the first protective layer; and a second protective layer facing the first side of the backing material, wherein the first and second protective layers each include opposite first and second ends, the first ends being hinged coupled to one another by a connector, the connector having a first leg that engages an outer surface of the first protective layer and a second leg that engages an outer surface of the second protective layer that faces opposite the outer surface of the first protective layer, the legs each extending parallel to the backing material, wherein the second protective layer includes a first section and a second section that is separated from the first section by a slit having a serpentine configuration, the slit being positioned over the backing material, wherein the adhesive layer comprises silicone adhesive, wherein the backing material is a sheet, wherein the backing material comprises a first layer that is coupled directly to the first side of the suction body and a second layer that is coupled directly to an adhesive coated on the second protective layer on the side facing the backing material, wherein the suction body includes a circumferential wall extending from the first side of the suction body to the second side of the suction body, the suction body extending through the opening of the first protective layer such that the first protective layer directly engages opposite portions of the circumferential wall, wherein the wound dressing comprises projections extending from two edges of the second protective layer, the projections being configured for gripping, and wherein the second protective layer includes a first color and the projections each include a second color that is different than the first color.