Ear tubes

Details Ear tubes Ear tubes

A - Human Necessities

61

F

A61F 11/00 (2006.01)

Patent

CA 2612933

The invention provides a flexible ear tube (10) for draining and ventilating the middle ear, the tube (10) having a flexible substantially tubular stem (12) with a lumen (14), the stem (12) being sized to be inserted through an incision in the eardrum (16) and the tube having at least two separate flexible contact surfaces (18) extending from the stem (12) and adapted to engage different spaced-apart inner surfaces of the eardrum 16, each of the contact surfaces (18) having a first axis XX extending substantially perpendicularly to the central axis of the stem and a second axis YY extending substantially perpendicularly to the first axis wherein one of the axes is between 0.6 and 3 mm and the second of the axes is between 1 and 7 mm in length.

Une tige souple (10) de drainage et ventilation de l'oreille moyenne formé d'un élément sensiblement tubulaire souple (12) présentant une lumière (14) et dont la taille permet son insertion dans une incision pratiquée dans la membrane du tympan (16). La tige présente au moins deux surfaces de contact souples séparées (18) s'étendant depuis l'élément tubulaire (12) et destinées à entrer en contact avec différentes surfaces internes espacées de la membrane du tympan (16), chaque surface de contact (18) présentant un premier axe XX s'étendant sensiblement perpendiculaire par rapport à l'axe central de l'élément tubulaire et un second axe YY s'étendant sensiblement perpendiculaire au premier axe, la longueur du premier axe étant comprise entre 0,6 et 3 mm et celle du second entre 1 et 7 mm.

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