Patent ID: 8800557
Filing Date: 2014-08-12
Classification: A61M

Abstract:
1. A system for providing breathing assistance to a user, the system comprising: a housing; an exhalation valve interface coupled to or defined in the housing; a pressure control valve in fluid communication with the exhalation valve interface; an exhalation flow inlet coupled to or defined in the housing and defining a portion of an exhalation flow path; and a pressure sensor inside or coupled to the housing in pressure communication with the exhalation valve interface capable of generating a pressure signal; wherein the exhalation valve interface, the pressure control valve, and the pressure sensor are located along an exhalation valve control path, the exhalation valve control path being separate from the exhalation flow path such that exhaled gas flows through the exhalation flow path but not though the exhalation valve control path; and wherein the pressure sensor is located between the pressure control valve and an exhalation valve along the exhalation valve control path.