Expandable face mask with engageable stiffening element

Details Expandable face mask with engageable stiffening element Expandable face mask with engageable stiffening element

2008-12-18

2011-12-13

Bianco, Patricia (Department: 3772)

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

C128S205270, C128S206120, C128S206190, C128S206210, C128S206280

Reexamination Certificate

active

08074660

ABSTRACT:
Face masks that are provided in a generally flat configuration and are capable of being expanded to a cup-shaped configuration. Such masks include at least one porous layer that includes at least one pleat and that is capable of being expanded by at least partially unfolding the at least one pleat. The mask further includes at least one stiffening element that comprises at least one engaging feature. Upon expanding the porous layer, the engaging feature engages with the porous layer so as to enhance the ability of the mask to maintain the expanded, cup-shaped configuration.

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International Search Report PCT/US2009/065609, Jun. 28, 2009, 3 pages.

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