Patent ID: 6397844
Filing Date: 2002-06-04
Classification: A61M,F04B

Abstract:
A portable apparatus for ventilation support to persons with respiratory distress comprises:a tube device for connection to a mouth or nose; a compressed air pump for generating of pressure pulses with an individually adaptable air volume, the pump being connected to the tube device and including a rigid container having two halves with a flexible membrane therebetween, the flexible membrane being laterally displaceable between the two container halves, each container half having check valves for permitting ambient air to be fed into the pump and from the pump to the tube device when the flexible membrane is moved to generate a pressure pulse; flexible pull means for reciprocating the flexible membrane in the container, the pull means extending via pulley wheels into the air pump; and a driving device located adjacent to the container, the driving device being connected to the pull means for moving the pull means to reciprocate the flexible membrane.