Respirator triggering mechanism

Details Respirator triggering mechanism Respirator triggering mechanism

1990-06-01

1991-09-24

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, A61M 1620

Patent

active

050505939

ABSTRACT:
Mechanism for triggering the inspiratory phase of a respirator having a three-way connector with an inspiratory conduit and an expiratory conduit, each communicating with the respirator and with a patient communicating conduit. Valve mechanism associated with both the expiratory and inspiratory conduits are automatically operated by a patient attempting to breathe, such that he is only exposed to the air volume in the three-way connector and not to the greater air volume of the respirator and its connected tubing.

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patent: 4575042 (1986-03-01), Grimland et al.
patent: 4838257 (1989-06-01), Hatch

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