Patents by Inventor Ulf Johannison

Ulf Johannison has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11919190
    Abstract: Described is a process for introducing perforations in a laminate that comprises a silicone gel. The process includes the following steps: bringing an array of perforating elements in contact with a deformable layer of a laminate that at least includes a substrate layer, a layer comprising a silicone gel and a deformable layer, wherein said deformable layer covers said layer including the silicone gel; applying ultrasonic energy to said laminate in order to simultaneously introduce a plurality of perforations into said laminate, while providing deformed portions in said deformable layer, wherein said deformed portions penetrate into the plurality of perforations in said laminate; after having introduced said plurality of perforations into said laminate, keeping said deformable layer in contact with said layer including the silicone gel, such that said deformed portions remain penetrating into said plurality of perforations, for at least 12 hours.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: March 5, 2024
    Assignee: Mölnlycke Health Care AB
    Inventor: Ulf Johannison
  • Publication number: 20230225906
    Abstract: The present disclosure relates to a dressing (100) comprising a backing layer (101), an adhesive skin contact layer (102) and a first release liner (103), wherein the adhesive skin contact layer (102) comprises a central portion (102a) and an edge portion (102b) surrounding the central portion (102a). The first release liner (103) is configured to be releasably attached to at least the central portion (102a) of the adhesive skin contact layer (102). The dressing (100) comprises a second release liner (104) arranged between the first release liner (103) and at least part of the edge portion (102b) of the adhesive skin contact layer (102).
    Type: Application
    Filed: June 29, 2021
    Publication date: July 20, 2023
    Inventors: Ulf Johannison, Tommy Sundebäck, David Valham, Tina Westerberg, Lena Jacobsson
  • Patent number: 11673345
    Abstract: Described is a ultrasonic welding of laminates, more particular to the use of ultrasonic energy to create stable perforations in a laminate, in particular a laminate that includes a silicone gel. Specifically, a perforation element is provided, that is optionally part of array of perforation elements, which perforation element or array of perforation elements is advantageously used in an ultrasonic welding device and in a process for continuously introducing perforations into a laminate.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: June 13, 2023
    Assignee: Mölnlycke Health Care AB
    Inventors: Ulf Johannison, Steen Jörgensen
  • Patent number: 11648333
    Abstract: A medical dressing is disclosed, the medical dressing has an adhesive layer having a skin-facing surface to adhere the medical dressing to a dermal surface, wherein said adhesive layer comprises a first chemical compound incorporated within said adhesive layer, and wherein at least a portion of said skin-facing surface has a coating comprising a second chemical compound. Also disclosed is a method of manufacturing such a medical dressing.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: May 16, 2023
    Assignee: Mölnlycke Health Care AB
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström
  • Patent number: 11559441
    Abstract: A method for manufacturing a wound dressing having a substrate, and a wound dressing manufactured by such a method are described. The method has a step of providing a sacrificial layer of material to be perforated by means of a hot pin perforator, in order to remove any molten residues on the heated pins of the hot pin perforator, before the same pins are used to make holes in the substrate. The presented method is cost effective, robust and reduces the risk of contaminating substances being embedded in the substrate during the hole making process.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: January 24, 2023
    Assignee: Mölnlycke Health Care AB
    Inventors: Ulf Johannison, Steen Jörgensen, Magnus Paledzki
  • Publication number: 20230009183
    Abstract: A medical dressing is described that includes: a porous layer having a first side and a second side; a first coating extending along at least a portion of the surface area of said first side of said porous layer; a second coating extending along said first side of said porous layer, said second coating comprising a pattern of through openings; wherein said first coating extends along at least those portions of the surface area of said first side of said porous layer that coincide with the through openings of said second coating and wherein said first surface of said second coating extends in a plane (B) that is farther away, in the vertical direction, from the first side of said porous layer, than the corresponding plane (A) defined by the first surface of said first coating.
    Type: Application
    Filed: December 16, 2020
    Publication date: January 12, 2023
    Inventors: Ulf Johannison, Bengt Söderström, AnnBritt Gergely, Kristina Halldin
  • Publication number: 20220331167
    Abstract: Described is a medical dressing having a backing layer containing three dimensional features. The dressing is flexible and has an improved wear time. Also described is a method for preparing such a medical dressing.
    Type: Application
    Filed: September 10, 2020
    Publication date: October 20, 2022
    Inventors: Ulf Johannison, Sami Ahsani, Anders Dahlberg
  • Publication number: 20220152861
    Abstract: Described is a process for introducing perforations in a laminate that comprises a silicone gel. The process includes the following steps: bringing an array of perforating elements in contact with a deformable layer of a laminate that at least includes a substrate layer, a layer comprising a silicone gel and a deformable layer, wherein said deformable layer covers said layer including the silicone gel; applying ultrasonic energy to said laminate in order to simultaneously introduce a plurality of perforations into said laminate, while providing deformed portions in said deformable layer, wherein said deformed portions penetrate into the plurality of perforations in said laminate; after having introduced said plurality of perforations into said laminate, keeping said deformable layer in contact with said layer including the silicone gel, such that said deformed portions remain penetrating into said plurality of perforations, for at least 12 hours.
    Type: Application
    Filed: February 24, 2020
    Publication date: May 19, 2022
    Inventor: Ulf Johannison
  • Patent number: 11331406
    Abstract: A medical dressing is described having a substrate with a first chemical compound, said substrate having a first surface, wherein said medical dressing further includes an adhesive layer having a skin-facing surface to adhere said medical dressing to a dermal surface, wherein at least a portion of said skin-facing surface has a coating with a second chemical compound. Also described is a method of manufacturing such a medical dressing.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: May 17, 2022
    Assignee: MÖLNLYCKE HEALTH CARE AB
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström
  • Publication number: 20220134681
    Abstract: Described is a ultrasonic welding of laminates, more particular to the use of ultrasonic energy to create stable perforations in a laminate, in particular a laminate that includes a silicone gel. Specifically, a perforation element is provided, that is optionally part of array of perforation elements, which perforation element or array of perforation elements is advantageously used in an ultrasonic welding device and in a process for continuously introducing perforations into a laminate.
    Type: Application
    Filed: February 24, 2020
    Publication date: May 5, 2022
    Inventors: Ulf Johannison, Steen Jörgensen
  • Publication number: 20220047800
    Abstract: Disclosed is a canister for a mobile negative pressure wound therapy (NPWT) device, specifically adapted for ensuring prolonged uninterrupted use of the NPWT device. Also disclosed is a corresponding NPWT device that includes the canister.
    Type: Application
    Filed: December 12, 2019
    Publication date: February 17, 2022
    Inventors: Ulf Johannison, Niclas Flach, Fredrik Sahle
  • Patent number: 11013839
    Abstract: The present invention relates to a suction device. The suction device comprises an attachment portion adapted to be attached to a wound cover member. The suction device comprises a fluid inlet which is at least partially circumscribed by the attachment portion. The suction device also comprises a fluid outlet. The suction device further comprising a connection portion adapted to, at least during one operation condition of the suction device, provide a fluid communication between the fluid inlet and the fluid outlet. The connection portion comprises an inspection portion that is transparent to thereby facilitate the positioning of the suction device relative to the wound cover member.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: May 25, 2021
    Assignee: MÖLNLYCKE HEALTH CARE AB
    Inventors: Bjarne Andersen, Malin Bringsved, Sofia Frantzich, Ulf Johannison, Johan Uveborn, Karsten Videbaek
  • Publication number: 20200360560
    Abstract: A medical dressing is disclosed, the medical dressing has an adhesive layer having a skin-facing surface to adhere the medical dressing to a dermal surface, wherein said adhesive layer comprises a first chemical compound incorporated within said adhesive layer, and wherein at least a portion of said skin-facing surface has a coating comprising a second chemical compound. Also disclosed is a method of manufacturing such a medical dressing.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström
  • Patent number: 10780194
    Abstract: A medical dressing (30) is disclosed, comprising an adhesive layer (3) having a skin-facing surface (6) to adhere the medical dressing to a dermal surface, wherein said adhesive layer comprises a first chemical compound incorporated within said adhesive layer, and wherein at least a portion of said skin-facing surface comprises a coating (9) comprising a second chemical compound. Also disclosed is a method of manufacturing such a medical dressing.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: September 22, 2020
    Assignee: Mölnlycke Health Care AB
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström
  • Publication number: 20200030153
    Abstract: A method for manufacturing a wound dressing having a substrate, and a wound dressing manufactured by such a method are described. The method has a step of providing a sacrificial layer of material to be perforated by means of a hot pin perforator, in order to remove any molten residues on the heated pins of the hot pin perforator, before the same pins are used to make holes in the substrate. The presented method is cost effective, robust and reduces the risk of contaminating substances being embedded in the substrate during the hole making process.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 30, 2020
    Inventors: Ulf Johannison, Steen Jörgensen, Magnus Paledzki
  • Publication number: 20180280596
    Abstract: The present invention relates to a suction device. The suction device comprises an attachment portion adapted to be attached to a wound cover member. The suction device comprises a fluid inlet which is at least partially circumscribed by the attachment portion. The suction device also comprises a fluid outlet. The suction device further comprising a connection portion adapted to, at least during one operation condition of the suction device, provide a fluid communication between the fluid inlet and the fluid outlet. The connection portion comprises an inspection portion that is transparent to thereby facilitate the positioning of the suction device relative to the wound cover member.
    Type: Application
    Filed: June 6, 2018
    Publication date: October 4, 2018
    Inventors: Bjarne ANDERSEN, Malin BRINGSVED, Sofia FRANTZICH, Ulf JOHANNISON, Johan UVEBORN, Karsten VIDEBAEK
  • Patent number: 10016546
    Abstract: The present invention relates to a suction device. The suction device comprises an attachment portion adapted to be attached to a wound cover member. The suction device comprises a fluid inlet which is at least partially circumscribed by the attachment portion. The suction device also comprises a fluid outlet. The suction device further comprising a connection portion adapted to, at least during one operation condition of the suction device, provide a fluid communication between the fluid inlet and the fluid outlet. The connection portion comprises an inspection portion that is transparent to thereby facilitate the positioning of the suction device relative to the wound cover member.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: July 10, 2018
    Assignee: MÖLNLYCKE HEALTH CARE AB
    Inventors: Bjarne Andersen, Malin Bringsved, Sofia Frantzich, Ulf Johannison, Johan Uveborn, Karsten Videbaek
  • Patent number: 9844614
    Abstract: This relates to a wound therapy device, including an outer part and an inner part facing surface provided with an inner part facing opening, and a first connection channel to establish fluid communication between the inner part facing opening and a connector opening adapted to be connected to an external device. The wound therapy device can also be a part of a wound therapy arrangement, which can further include, a wound filler, an external device, a wound cover film, and tubing connections. Methods of using the wound therapy arrangement are also disclosed.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: December 19, 2017
    Assignee: MÖLNLYCKE HEALTH CARE AB
    Inventor: Ulf Johannison
  • Publication number: 20170258956
    Abstract: A medical dressing is disclosed, comprising a substrate comprising a first chemical compound, said substrate having a first surface, wherein said medical dressing further comprises an adhesive layer having a skin-facing surface to adhere said medical dressing to a dermal surface, wherein at least a portion of said skin-facing surface comprises a coating comprising a second chemical compound. Also disclosed is a method of manufacturing such a medical dressing.
    Type: Application
    Filed: September 9, 2015
    Publication date: September 14, 2017
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström
  • Publication number: 20170258957
    Abstract: A medical dressing (30) is disclosed, comprising an adhesive layer (3) having a skin-facing surface (6) to adhere the medical dressing to a dermal surface, wherein said adhesive layer comprises a first chemical compound incorporated within said adhesive layer, and wherein at least a portion of said skin-facing surface comprises a coating (9) comprising a second chemical compound. Also disclosed is a method of manufacturing such a medical dressing.
    Type: Application
    Filed: September 9, 2015
    Publication date: September 14, 2017
    Inventors: Niclas Flach, Kristina Hamberg, Ulf Johannison, Bengt Söderström