Respirator mask with system for measuring the effective duration of inhaled therapy

摘要

Title of the invention Respiratory mask with system for measuring the effective duration of inhaled therapy The invention relates to a respiratory mask (19), in particular nasal or facial, comprising a mask body (190) comprising a respiratory chamber ( 193) and a gas passage port (191) for introducing gas or withdrawing gas from said breathing chamber (193), and an opening (192) sized to receive a user's nose, during use of the mask , so that the user can breathe gas contained in the breathing chamber (193). The mask body (190) further includes a distance sensor (21) configured to measure at least one distance (D) within the breathing chamber (193), and output at least one signal representative of the measured distance (D). . Abstract figure: fig. 2