SPUTUM DEVICE, ARTIFICIAL RESPIRATION SYSTEM, AND METHOD FOR OPERATING SPUTUM DEVICE

摘要

[purpose] provides being capable of a safely automatically saliva device of aspirate saliva. [solution] saliva device includes a suction line, a switch unit, a measurement unit and a control unit. Suction line has the suction inlet for being pumped in the saliva produced in patient respiratory region; One is maintained at the holding part of the extraneous connection of negative pressure, accommodates aspirated saliva. Switch unit is in suction line, and the holding part and the second state communication that wherein suction inlet is in communication with the outside can switch between first state, and wherein suction inlet is the closing of the holding part from external world's connection. Measurement unit measurement is to be drawn into the expiration of the holding part of extraneous connection, under first state. Control unit can switch switch unit from the second state to first state during expiring, and keep first state when the expiration measured by measurement unit is below predetermined value.