Patents by Inventor Chris Dawber

Chris Dawber 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).

  • Methods and devices for controlling negative pressure at a wound site
    Patent number: 10625000
    Abstract: The invention relates to a method for estimating a negative pressure at a wound site during a negative pressure wound therapy. The method comprises the steps of determining a negative pressure value by means of a pressure sensor, determining a pump speed associated with the electrical pump, multiplying the pump speed by a constant to obtain a modification value, and combining said modification value with the negative pressure value determined by means of the pressure sensor to obtain a modified negative pressure value. Said modified negative pressure value corresponds to the estimated negative pressure present at the wound site. The invention further relates to a negative pressure wound therapy system adapted to execute said method of estimating a negative pressure at a wound site.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: April 21, 2020
    Assignee: Paul Hartmann AG
    Inventors: Pierre Croizat, Jürgen Hofstetter, James Stein, Chris Dawber, Mark Hsieh
  • PORTABLE NEGATIVE PRESSURE DEVICE
    Publication number: 20170209630
    Abstract: A portable negative pressure wound therapy device adapted to be carried by a user, comprising an electrically actuated suction pump for draining wound fluids from a patient, at least one microelectronic controller, at least one electronic memory and a housing for containing the electrical and/or electronic components. The device further comprises at least one microelectronic impact sensor, wherein the impact sensor is adapted to detect an impact acting on the device.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 27, 2017
    Inventors: Johanna Klusmann, Karina Beyrle, Axel Eckstein, Jürgen Hofstetter, Pierre Croizat, Mark Hsieh, James Stein, Chris Dawber
  • METHODS AND DEVICES FOR CONTROLLING NEGATIVE PRESSURE AT A WOUND SITE
    Publication number: 20170189588
    Abstract: The invention relates to a method for estimating a negative pressure at a wound site during a negative pressure wound therapy. The method comprises the steps of determining a negative pressure value by means of a pressure sensor, determining a pump speed associated with the electrical pump, multiplying the pump speed by a constant to obtain a modification value, and combining said modification value with the negative pressure value determined by means of the pressure sensor to obtain a modified negative pressure value. Said modified negative pressure value corresponds to the estimated negative pressure present at the wound site. The invention further relates to a negative pressure wound therapy system adapted to execute said method of estimating a negative pressure at a wound site.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 6, 2017
    Inventors: Pierre Croizat, Jürgen Hofstetter, James Stein, Chris Dawber, Mark Hsieh