Patents Assigned to Optovent Aktiebolag (publ)
  • Method and device to sense breathing
    Patent number: 6478747
    Abstract: Method and devices intended to be used at sensing of breathing of a man or an animal in order to with a breathing sensor securely sense the breathing regardless of whether it occurs through the nose or mouth. A device (1) conducts breathing air flows to and from the nose as well as the mouth past a position (5), at which the sensor is located. In one embodiment the device is tubular and has two orifices (2, 3) for location at the nose and mouth respectively, as well as a third orifice (5) onto which a sensor may be fastened by snap action.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 12, 2002
    Assignee: Optovent Aktiebolag (publ)
    Inventor: Hans Pettersson