Nasal dilation device

A - Human Necessities – 61 – F

Patent

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Details

A61F 5/08 (2006.01) A61F 5/56 (2006.01) A61M 29/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2667897

A nasal dilation device comprises a pair of dilating frames for insertion into respective nasal passages. An external abutment member is joined between the pair of dilating frames to abut an external nasal valve. Each dilating frame comprises a frame member wound in a generally helical pattern about a longitudinal axis of the dilating frame to form a plurality of windings spaced from one another in a direction of the longitudinal axis. By providing a frame formed of a helical member, a resulting open frame design of a dilating frame is provided which is easy to manufacture, of simple structure, with substantially no protruding ends or edges so that the device can be easily and safely inserted into a nasal passage without tearing or causing harm to the soft internal tissues thereof. Outward dilating pressure applied to the internal nasal passage is also distributed over a larger area for comfort.

La présente invention concerne un dispositif de dilatation nasale qui comprend une paire de structures de dilatation destinés à être insérées dans des conduits nasaux correspondants. Un élément de butée externe relie les deux structures et vient en butée contre une valve nasale externe. Chaque structure de dilatation comprend un élément de structure enroulé en forme généralement hélicoïdale sur un axe longitudinal de la structure de dilatation et forme une pluralité d'enroulements espacés les uns des autres dans le sens longitudinal. Avec une structure ayant une telle forme hélicoïdale, on dispose d'une structure de dilatation ouverte facile à fabriquer, de structure simple, pratiquement sans extrémité ni bord saillant de sorte que le dispositif peut être inséré facilement et sûrement dans un conduit nasal sans déchirer ni blesser les tissus mous internes de celui-ci. Une pression de dilatation vers l'extérieur appliquée audit passage est également répartie sur une plus grande surface pour plus de confort.

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