Method of operating a sputum apparatus, artificial respiration system and sputum device

摘要

An object of the present invention is to provide a sputum device capable of safely suction of phlegm automatically. A sputum apparatus according to an embodiment of the present invention includes a suction line, a switching unit, a measuring unit and a control unit. The suction line includes a housing portion that is maintained and the suction port capable of aspirating sputum generated in the airways of the patient, the housing and the negative pressure of the aspirated the sputum. The switching unit is switchable between a first state for communicating between the suction port and the housing portion, and a second state for blocking between the suction port and the housing part, in the suction line It is placed. The measuring unit measures the exhalation sucked into the accommodating portion in the first state. The control unit is capable of switching the said switching unit upon patient exhalation from said second state to said first state, the switching unit when the amount of breath is measured by the measurement unit is less than a predetermined value the possible held in the first state. .The