Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Reexamination Certificate
2006-12-26
2006-12-26
Mitchell, Teena (Department: 3743)
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
C128S206250
Reexamination Certificate
active
07152601
ABSTRACT:
The present invention relates to face masks to control and improve the quality of inhaled air. Claimed and described is a respiratory face mask comprising a flange and a filter layer, the flange having an inner periphery and an outer periphery and a first and a second width measured perpendicular to the inner periphery between the inner periphery and the outer periphery, characterised in that the first width is greater than the second width. Preferably, such face masks are strapless and rely on a hydrogel adhesive for attachment and sealing. Further claimed and described is an improved cover layer for an adhesive of such a face mask.
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Barakat Mohamed Ali
Brotto Gianluca
Link Rainer
Palumbo Gianfranco
Barakat Mohamed Ali
Mitchell Teena
Young & Thompson
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