Protective breathing hood

Details Protective breathing hood Protective breathing hood

2007-02-27

2007-02-27

Mitchell, Teena (Department: 3771)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

C128S201250, C128S201280

Reexamination Certificate

active

10506816

ABSTRACT:
A protective breathing hood comprising a hood made of a stretchable fire resistant material and which is also impermeable to gases and biologic material. The hood is sized and shaped for placing over a head of a user in an airtight manner with an opening of the hood scalingly engaging a neck portion of the user. At least a visor portion of the hood is transparent and a pair of respiratory units are disposed offset with respect to the nose location. Each respiratory unit comprises a housing formed with an inhalation flow path accommodating activated charcoal particles, and an exhalation flow path fitted with a one way exhaling valve, wherein at a donned position of the hood a chamber is formed at a mouth
ose location thereof.

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