Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate
2006-12-26
2006-12-26
Patel, Mital (Department: 3743)
Surgery
Respiratory method or device
Face mask covering a breathing passage
C128S206280, C128S206240, C128S206270
Reexamination Certificate
active
07152602
ABSTRACT:
A face mask comprises a sealing collar (1) extending around the mouth with a shelf (4) extending under the nose supporting a gel insert (7) that makes sealing contact between the nostrils and a passage (6) through the shelf. A curved, rigid window (30) is a push fit in a central opening (2) of the collar (1) and has a gas inlet (33) attached with it so that the window can be removed or connected with the sealing collar as necessary. The collar (1) supported on the head by a harness (20) having two triangular portions (21) on opposite sides encircling respective ears.
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Bateman Timothy
Bishop Giles Andrew
Field Stephen James
Lee Andrew James
Pagan Eric
Patel Mital
Smiths Group PLC
Woo Louis
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