Face mask for breathing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 1995
Grant Date -
N/A
app pub date -
Nov 22, 1993
filing date -
May 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A face mask, in particular for mechanically ventilating a patient, the mask comprising means interposed between a breathe-in/breathe-out pipe (10) and at least one of the nose and mouth orifices of the patient (5) to provide a sealed connection between the pipe and the respiratory tract of the patient, wherein said means comprise a thin shell (1) delimited by a substantially ovoid concave inside surface (7) whose apex is provided with an opening (2), a thick and flexible lining (6) suitable for engaging inside the shell (1) and projecting beyond said shell in the form of a sealing rim that deforms to match the shape of the portion of the face (5) that surrounds the opening to the respiratory tract, the lining having a tubular endpiece (8) suitable for being snap-fastened in the opening (2) of said shell (1) and forming a sleeve for connection to the pipe (10), the mask also having a harness (3, 4) for fixing it to the head of the user (5) and including straps that are fixed to the shell.
First Claim
Family
International Classification(s)
Cited Art Landscape
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