Humidification face mask

Details Humidification face mask Humidification face mask

1989-03-16

1990-07-17

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820329, 12820311, 12820413, 12820622, A61M 1500, A62B 700, A62B 1802

Patent

active

049414674

ABSTRACT:
A humidification face mask comprises an inner mask member and an outer mask member which are bonded together in a sealed manner along the lower and side edges to define therebetween a concavity for receiving therein a moisturizing pad. The inner and outer mask members are formed respectively with a number of breathing perforations permitting a wearer of the face mask to inhale and exhale therethrough. The moisturizing pad is retained between the outer and inner mask members at the portions having the breathing perforations and is adapted to carry a volume of water which adds moisture to air to be inhaled. The sealed bonding of the innner and outer mask members not only prevents accidental leakage of water out of the face mask, but also serves to positively hold a large volume of water for ensuring a continued moisturizing effect over a prolonged period of time.

REFERENCES:
patent: 302949 (1884-08-01), Skene
patent: 612295 (1898-10-01), Woodling
patent: 718470 (1903-01-01), Jones
patent: 2435721 (1948-02-01), Lehmann
patent: 3042034 (1962-07-01), Gruenewaelder
patent: 3814094 (1974-06-01), De Angelis et al.

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