INTERFACE COMPRISING ROLLING NASAL BRIDGE PORTION

摘要

PROBLEM TO BE SOLVED: To provide an interface for use in providing positive pressure respiratory therapy.SOLUTION: An interface for positive pressure therapy includes a mask assembly, a headgear assembly and a connection port assembly. The mask assembly comprises a seal member that has an upper portion movably connected to an integrated lower portion, where the upper portion rolls during hinging movement of the upper portion relative to the lower portion. The headgear assembly allows connection of the mask assembly in a direction substantially normal to a direction of strap tension. The connection port assembly includes a swivel elbow with a valve member that controls a flow through a port that opens toward a user.SELECTED DRAWING: Figure 11