Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1997-06-24
2000-03-28
Weiss, John G.
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820616, 12820527, 12820529, A62B 710
Patent
active
06041782&
ABSTRACT:
A respiratory mask 1 has a molded, cup-shaped, shape-retaining shell 10 on the concave side of which is a layer of filter material 11 and, on the concave side of the filter material, without any intermediate shape-retaining layer, a layer of nonwoven material 12. The layer of filter material 11 and the inside layer 12 are conformed into the cup-shaped configuration of the shape-retaining shell 10. The inside layer 12 is preferably a smooth BMF material offering improved comfort to the wearer.
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Moldex Respiratory Mask.
Angadjivand Seyed Abolhassan
Bostock Graham J.
Chalmers Tammy M.
Dyrud James F.
Mortimer Simon A.
3M Innovative Properties Company
Hanson Karl G.
Hill Cecilia
Srivastava V.
Weiss John G.
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