Patents by Inventor Stefan Willför

Stefan Willför 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: 10206604
    Abstract: The present invention relates to the field of electrotherapy and measuring by means of electric cur-rents for diagnostic purposes, and more particularly to an electrode arrangement for facilitating wound healing, a method for measuring wound healing and a wound dressing having an electrode arrangement. A wound dressing according is described which includes at least two impedance reference electrodes, a frame like counter-electrode and stimulation electrodes in a form of an array; and a bioadhesive affinity layer surrounding the stimulation electrodes; said wound dressing being suited for applying on top of the wound so that the stimulation electrode array is on the wound area, and that the at least two impedance reference electrodes and the frame like counter-electrode are suited for placing in contact with the healthy skin surrounding the wound area; which electrodes, are suited for applying LIDC type electrical stimulation current to the wound area and for bioimpedance measurement.
    Type: Grant
    Filed: December 5, 2015
    Date of Patent: February 19, 2019
    Assignee: CutoSense Oy
    Inventors: Mikael Bergelin, Jan-Erik Eriksson, Max Johansson, Chunlin Xu, Ann-Sofie Leppänen, Stefan Willför, Simo Köppä, Atte Kekonen, Heimo O. Ylänen, Jari Viik, Jari Hytti
  • Patent number: 10166387
    Abstract: A wound dressing according to the present invention comprises at least two impedance reference electrodes, a frame like counter-electrode and stimulation electrodes in a form of an array; and a bioadhesive affinity layer surrounding the stimulation electrodes; said wound dressing being suited for applying on top of the wound so that the stimulation electrode array is on the wound area, and that the at least two impedance reference electrodes and the frame like counter-electrode are suited for placing in contact with the healthy skin surrounding the wound area; which electrodes, are suited for applying LIDC type electrical stimulation current to the wound area and for bioimpedance measurement. The wound dressing according to the present invention provide a continuous, non-invasive and objective solution for monitoring chronic wound healing without disturbing the delicate healing process.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: January 1, 2019
    Assignee: CutoSense Oy
    Inventors: Mikael Bergelin, Jan-Erik Eriksson, Max Johansson, Chunlin Xu, Ann-Sofie Leppänen, Stefan Willför, Simo Köppä, Atte Kekonen, Heimo O. Ylänen, Jari Viik, Jari Hyttinen
  • Publication number: 20160101282
    Abstract: The present invention relates to the field of electrotherapy and measuring by means of electric currents for diagnostic purposes, and more particularly to an electrode arrangement for facilitating wound healing, a method for measuring wound healing and a wound dressing having an electrode arrangement. A wound dressing according to the present invention comprises at least two impedance reference electrodes, a frame like counter-electrode and stimulation electrodes in a form of an array; and a bioadhesive affinity layer surrounding the stimulation electrodes; said wound dressing being suited for applying on top of the wound so that the stimulation electrode array is on the wound area, and that the at least two impedance reference electrodes and the frame like counter-electrode are suited for placing in contact with the healthy skin surrounding the wound area; which electrodes, are suited for applying LIDC type electrical stimulation current to the wound area and for bioimpedance measurement.
    Type: Application
    Filed: May 21, 2014
    Publication date: April 14, 2016
    Inventors: Mikael Bergelin, Jan-Erik Eriksson, Max Johansson, Chunlin Xu, Ann-Sofie Leppänen, Stefan Willför, Simo Köppä, Atte Kekonen, Heimo O. Ylänen, Jari Viik, Jari Hyttinen
  • Publication number: 20160081580
    Abstract: The present invention relates to the field of electrotherapy and measuring by means of electric currents for diagnostic purposes, and more particularly to an electrode arrangement for facilitating wound healing, a method for measuring wound healing and a wound dressing having an electrode arrangement. A wound dressing according is described which includes at least two impedance reference electrodes, a frame like counter-electrode and stimulation electrodes in a form of an array; and a bioadhesive affinity layer surrounding the stimulation electrodes; said wound dressing being suited for applying on top of the wound so that the stimulation electrode array is on the wound area, and that the at least two impedance reference electrodes and the frame like counter-electrode are suited for placing in contact with the healthy skin surrounding the wound area; which electrodes, are suited for applying LIDC type electrical stimulation current to the wound area and for bioimpedance measurement.
    Type: Application
    Filed: December 5, 2015
    Publication date: March 24, 2016
    Inventors: Mikael Bergelin, Jan-Erik Eriksson, Max Johansson, Chunlin Xu, Ann-Sofie Leppänen, Stefan Willför, Simo Köppä, Atte Kekonen, Heimo O. Ylänen, Jari Viik, Jari Hytti
  • Patent number: 7976877
    Abstract: The use of i) finely divided knotwood, or ii) an extract, obtained by extracting knotwood with a polar solvent and recovering the extract, as an antioxidative agent. A fraction of the extract may also be used as an antioxidative agent.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: July 12, 2011
    Assignee: Oy Arbonova Ab
    Inventors: Stefan Willför, Christer Eckerman, Jarl Hemming, Bjarne Holmbom, Suvi Pietarinen, Anna Sundberg
  • Publication number: 20080124414
    Abstract: The use of i) finely divided knotwood, or ii) an extract, obtained by extracting knotwood with a polar solvent and recovering the extract, as an antioxidative agent. A fraction of the extract may also be used as an antioxidative agent.
    Type: Application
    Filed: October 21, 2004
    Publication date: May 29, 2008
    Inventors: Stefan Willför, Christer Eckerman, Jarl Hemming, Bjarne Holmbom, Suvi Pietarinen, Anna Sundberg