Patents by Inventor Marina WAHL

Marina WAHL 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).

  • Ventilation drive for an anesthesia device and method for operating such a ventilation drive
    Patent number: 11141551
    Abstract: A ventilation drive (10) for an anesthesia device and a method for operating such a ventilation drive (10) are provided. The ventilation drive includes a blower unit (12), a pressure chamber (14) and a flexible bag (16) located in the pressure chamber (14). An internal volume of the bag (16) is coupled to an inspiratory branch (20) of a ventilation line. The blower unit (12) can be coupled to the internal volume of an outlet side and to an air inlet (26) for feeding ambient air on an inlet side. Further, a flow sensor (36) is provided between the outlet side of the blower unit (12) and the pressure chamber (14).
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: October 12, 2021
    Assignee: Drägerwerk AG & Co. KGaA
    Inventors: Andreas Brandt, Ralf Heesch, Marina Wahl
  • VENTILATION DRIVE FOR AN ANESTHESIA DEVICE AND METHOD FOR OPERATING SUCH A VENTILATION DRIVE
    Publication number: 20180221606
    Abstract: A ventilation drive (10) for an anesthesia device and a method for operating such a ventilation drive (10) are provided. The ventilation drive includes a blower unit (12), a pressure chamber (14) and a flexible bag (16) located in the pressure chamber (14). An internal volume of the bag (16) is coupled to an inspiratory branch (20) of a ventilation line. The blower unit (12) can be coupled to the internal volume of an outlet side and to an air inlet (26) for feeding ambient air on an inlet side. Further, a flow sensor (36) is provided between the outlet side of the blower unit (12) and the pressure chamber (14).
    Type: Application
    Filed: August 4, 2016
    Publication date: August 9, 2018
    Inventors: Andreas BRANDT, Ralf HEESCH, Marina WAHL