Patent 7607360 was granted and assigned to Nihon Kohden on October, 2009 by the United States Patent and Trademark Office.
In an adaptor for a flow sensor, a tubular body is adapted to allow respiratory gas to pass through. At least one fluid-resistant member is disposed in the tubular body. At least two pairs of first passages are formed in the fluid-resistant member and adapted to lead out pressures at two positions in the tubular body which are to be detected by the flow sensor.