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US 5,429,683 AGranted
Face mask for breathing
OwnerAnne Le Mitouardinventor
Life of this patent
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OwnerAnne Le Mitouardinventor
Estimating the term…
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.
A face mask, in particular for mechanically ventilating a patient, the mask comprising means interposed between a breath-in/breath-out pipe and at least one of the nose and mouth orifices of the patient to provide a sealed connection between a breath-in/breath-out pipe and the respiratory tract of the patient, said means having a thin shell delimited by a substantially ovoid concave inside surface whose apex is provided with an opening, a thick and flexible lining engaging the inside of the shell and projecting beyond said shell to form a sealing rim that deforms to match the shape of the portion of the face that surrounds the opening to the respiratory tract and a harness for fixing said face mask to the head of the user and including straps that are fixed to the shell, wherein said lining has a tubular endpiece projecting through the opening of said shell and forming a sleeve for connection to a breath-in/breath-out pipe.
Dependencies are inferred from the claim text.