Device for providing protection to the respiratory system

Details Device for providing protection to the respiratory system Device for providing protection to the respiratory system

2006-05-16

2006-05-16

Patel, Mital (Department: 3743)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

C128S206120, C128S201230

Reexamination Certificate

active

07044126

ABSTRACT:
A device for providing purified atmospheric air to a user. Air passes passively through a filter and partitions into a mouse-nose compartment and a face compartment. The air from the face compartment flushes a visor and subsequently passes into the mouse-nose compartment. A hood compartment sealed at the neck region and also around the face compartment. Unidirectional valves maintain the directional flow of air, and seal elements provide partitioning into compartments.

REFERENCES:
patent: 2821192 (1958-01-01), Monro
patent: 5431156 (1995-07-01), Sundstrom
patent: 6158429 (2000-12-01), Gardner et al.
patent: 6340024 (2002-01-01), Brookman et al.

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