Patent ID: 6644311
Filing Date: 2003-11-11
Classification: A61M

Abstract:
A pressure support system comprising:a gas carrying conduit having a first end adapted to receive breathing gas from a gas source and a second end; a pressure generator disposed at a first location along the conduit for generating a flow of breathing gas within the conduit; a first port defined in the conduit at a second location; a second port defined in the conduit at a third location, wherein the conduit defines a tortuous path between the second location and the third location so as to induce a pressure differential in the flow of breathing gas between the second location and the third location without providing a flow restricting element in the conduit between the second location and the third location, and a sensor associated with the first port and the second port adapted to measure a characteristic of the breathing gas in the conduit resulting from the pressure differential and to output a signal indicative thereof.