Manually operated apparatus, and balloon unit and valve housing for a breathing apparatus operated manually

摘要

Breathing apparatus manually operated (1), comprising a housing breathing (2), provided with a passage or breathing channel (4) for connection with a patient who is to be applied respiraciónartificial, such that said breathing channel (4) is connected via a valve system (5) with a port (6) of inflow, connected to a unit balloon (3) for supplying air to the patient travésdel breathing channel ( 4), and one or more ports (7) of efferent flow, designed to evacuate the environment the aireexhalado by the patient within the breathing-channel, so that the drive balloon (3) comprises elastic unfuelle (10) provided with an inlet opening (8) and an outlet opening (9), such that, further, in the inlet opening (8) of the bellows (10), has included a check valve (11), modoque and the outlet opening (9) of the bellows (10) is connected to the lu mbrera (6) Inflow housing derespiración (2), characterized in that the bellows (10) is provided with a protection (16) against overpressure, inorder evacuating air from the bellows (10) when a value is exceeded predetermined pressure.