Facial surgical mask with easier breathing device

Details Facial surgical mask with easier breathing device Facial surgical mask with easier breathing device

1996-05-03

1998-12-01

Jones, Mary Beth

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820621, 12820628, 12820711, A62B 710, A62B 1802, A62B 2302

Patent

active

058424709

ABSTRACT:
A facial surgical mask of the type worn over the nose, mouth, chin and portions of the wearer's cheeks and held in place by one or more bands extending about the back of the head or about the ears. A first band on the inside surface of the mask attaches to the wearer's nose while a second band counterbalances the first to minimize the forces applied to the wearer's nose.

REFERENCES:
patent: 4966140 (1990-10-01), Herzberg
patent: 5003633 (1991-04-01), Itoh
patent: 5143061 (1992-09-01), Kaimer
patent: 5474060 (1995-12-01), Evans
patent: 5553608 (1996-09-01), Reese et al.
patent: 5617849 (1997-04-01), Springett et al.

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