Patents by Inventor Leif Ward

Leif Ward 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: 6651652
    Abstract: A respiratory aid system has a device arranged for connection to a living creature in order to facilitate, support and/or control the respiration of the living creature. The device can be a ventilator or a neuroelectrical stimulation device. For faster and more efficient and more accurate respiratory aid the system contains a respiration detector, devised to pick up neuroelectrical signals from the living creature, identify respiration-related signals and send a control signal, related to the identified signals, to the device.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: November 25, 2003
    Assignee: Siemens-Elema AB
    Inventor: Leif Wård
  • Patent number: 6360740
    Abstract: A system for assisted breathing has a ventilator delivers a breathing gas to a living creature in order to facilitate, support and/or control the breathing of the living creature. The respiratory musculature is weakened during treatment with a ventilator, long-term treatment in particular, and this results in longer treatment times, especially weaning times. Accordingly, a stimulation apparatus, devised for connection to the living creature, is incorporated into the system for assisted breathing in order to stimulate the respiratory nervous system and/or respiratory musculature of the living creature. Weakening of the respiratory musculature can be reduced by the stimulation apparatus emitting a stimulation signal at specific intervals.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: March 26, 2002
    Assignee: Siemens Elema AB
    Inventors: Leif Ward, Siegfried Kallert, Harald Kirchner, Brigitte Stroetmann