FIELD: medicine.
SUBSTANCE: invention refers to medicine. A coupling device for a patient for connecting gas flow to patient's airway comprises a support element, a sealing element and a sleeve element operatively connected to the sealing element. The support element comprises a central support portion and a pair of buccal supports extending from respective opposite sides of the central support portion. The central support portion and buccal supports represent a single structure generally made of a rigid material consisting of metal, plastic or a combination thereof. The central support portion specifies a socket for the sealing element. Each buccal support is configured so as to apply a force to the side of the user's cheek-bone, and apply substantially no force above the apex of the user's cheek-bone in response to the above coupling device used. Each buccal support comprises one element applicable to extend above the apex of the cheek-bone in response to the above coupling device used. The sealing element is inserted in coupled or mated relation into the socket for the sealing element so as to hold the sealing element on the above support element. The sealing element is configured to adjoin tightly the user's surface to connect the gas flow and user's airway.
EFFECT: invention provides preventing user's discomfort caused by a relatively high tightening force required to ensure a reliable adherence to the user, and fills less the user's requirements.
14 cl, 16 dwg
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Authors
Dates
2016-02-10—Published
2011-02-14—Filed