Medical breathing apparatus

Details Medical breathing apparatus Medical breathing apparatus

1979-03-15

1980-11-11

Recla, Henry J.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820421, 12820511, 12820524, A61M 1600

Patent

active

042326664

ABSTRACT:
A breathing apparatus having a pair of inspiration manifolds in series disposed with interposition of flow regulating means. A pressure stabilizer and governor is disposed upstream of the pair of inspiration manifolds. The pressure stabilizer employs a constant volume reservoir connected to a source of fluid under pressure and contains a variable volume chamber connected to the first inspiration manifold. A detector is provided for detecting the volume changes of the variable volume member and controlling flow in the inspiration circuit. An expiration circuit is directly connected to the atmosphere with interposition of flow regulating and intercepting means. Provision is made for coupling the expiration circuit to a source of vacuum.

REFERENCES:
patent: 2121311 (1938-06-01), Anderson et al.
patent: 3434471 (1969-03-01), Liston
patent: 3859994 (1975-01-01), Almquist et al.
patent: 3905363 (1975-09-01), Dudley
patent: 3910270 (1975-10-01), Stewart
patent: 4026283 (1977-05-01), Banjavich et al.
patent: 4137912 (1979-02-01), O'Neill

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