Patents by Inventor Hannes Niemi

Hannes Niemi 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).

  • Method and arrangement for identifying an existing connection in apparatus for the ventilation of a patient
    Patent number: 5782233
    Abstract: A method and arrangement in connection with the ventilation of a patient, wherein the lungs of the patient are ventilated mechanically by means of a ventilator or manually by means of a reservoir bag as the patient's own respiratory activity is insufficient or totally prevented. In order to eliminate a faulty connection, the behaviour of the pressure or the flow in the patient circuit, in the circuit associated with the ventilator or in the circuit associated with the reservoir bag is monitored in connection with ventilation and the obtained information is compared with the desired operation.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: July 21, 1998
    Assignee: Instrumentarium Oy
    Inventors: Hannes Niemi, Markku Hyvonen
  • Arrangement in connection with a ventilator
    Patent number: 5647352
    Abstract: An arrangement in connection with a ventilator that comprises a control unit, a bellows unit and a patient circuit, whereby the bellows unit is arranged to separate the control unit from the patient circuit and the control unit is arranged to implement control parameters characterizing lung ventilation. In order to eliminate human error, the arrangement is provided with an identification device that is arranged to identify the bellows unit to be used and to give notification on said bellows unit.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: July 15, 1997
    Assignee: Instrumentarium Oy
    Inventors: Hannes Niemi, Markku Hyvonen