Patent ID: 8460203
Filing Date: 2013-06-11
Classification: A61B

Abstract:
1. A tube section for a respiratory measurement device, the tube section comprising: a) a tubular member defining an interior passage, an inlet end and an outlet end; b) at least one restricting member disposed within the tubular member to create a pressure drop in a gas flow flowing through the tubular member; c) a number of measuring sleeves spaced from one another and extending through the tubular member and the at least one restriction into the interior passage; and d) a gas flow diverter positioned concentrically with the inlet end of the tubular member and offset longitudinally toward the inlet from the at least one restricting member and the number of measuring sleeves, the diverter including a blunt surface disposed adjacent the inlet end and a generally tapered surface extending from the blunt surface towards the interior passage and ending short of the at least one restricting member.