Respiratory assistance apparatus
OwnerGeorges Boussignacinventor
Life of this patent
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Abstract
According to the invention, the respiratory assistance apparatus comprising a chamber (3), provided with a respiratory-gas inlet and a respiratory-gas outlet, and an inflatable flexible bladder (11), intended to bear sealingly on a part (9) of a patient, is noteworthy: in that it includes an inflatable flexible envelope (12) which surrounds said bladder (11); and in that the wall thickness of said envelope (12) is less than that of said inflatable bladder (11) in order to give said envelope a greater flexibility than the flexibility of the latter.
Claims12
A respiratory assistance apparatus making it possible for a respiratory gas coming from an external source to be taken into the lungs of a patient, said apparatus comprising:
- a chamber provided with a respiratory-gas inlet intended to be connected to said source and with a respiratory-gas outlet intended to be connected to an airway of said patient;
- a thin-wall inflatable flexible bladder intended to bear on a part of said patient in order to seal between said respiratory-gas outlet and the outside;
- and
- an inflatable flexible envelope surrounding said inflatable flexible bladder, a wall thickness of said envelope being less than a wall thickness of said inflatable bladder in order to give said envelope a greater flexibility than a flexibility of the inflatable bladder.
Dependencies are inferred from the claim text.