Separable valve assembly

Details Separable valve assembly Separable valve assembly

1990-06-05

1992-04-07

Burr, Edgar S.

Surgery

Respiratory method or device

12820227, 12820524, A61M 1500

Patent

active

051018160

ABSTRACT:
A valve assembly for use in breathing apparatus which is made in two sub-assemblies to facilitate repair at low cost. One assembly is adapted to be detachably mounted to a face mask and carries modules for communication accessories. A second subassembly is threadedly attached to the first sub-assembly and carries the valving members necessary to admit air or breathable gases to the face mask and to allow the escape of exhaled gases. The second sub-assembly valve portion is made in two sections which can be disassembled for repair with readily replacable valving elements for easy maintenance.

REFERENCES:
patent: 1615718 (1927-01-01), Olgard
patent: 1630209 (1927-05-01), Olgard
patent: 2684066 (1954-07-01), Glidden
patent: 2868198 (1959-01-01), Brooke
patent: 2953129 (1960-09-01), Bloom et al.
patent: 3348537 (1967-10-01), Miller et al.
patent: 4616646 (1986-10-01), Beaussant
patent: 4648394 (1987-03-01), Wise
patent: 4756308 (1988-07-01), Ryback

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