Flexible intraocular implant

Details Flexible intraocular implant Flexible intraocular implant

A - Human Necessities

61

F

A61F 2/16 (2006.01)

Patent

CA 2439104

The invention relates to a one-piece intraocular implant made from a flexible material comprising a more or less circular optical part (10) and a haptic part consisting of two haptic elements (12, 14) which are disposed more or less diagonally opposite each other. Each haptic element comprises: - two more or less identical solid support elements (18, 20), each having a support edge (18a, 20a) on the inner wall of the eye; and - two more or less identical flexure arms (22, 24), each flexure arm having a first end that is mechanically connected to the periphery (10a) of the optical part and a second end that is connected to a support element (18, 20) which is disposed away from the support edge (18a, 20a) thereof. The thickness (w) of each flexure arm (22, 24), along the direction of the optical axis (XX'), is greater than the height (h) of said arm over at least part of the length thereof.

L'invention concerne un Implant intraoculaire monobloc réalisé en un matériau souple comprenant une partie optique (10) sensiblement circulaire et une partie haptique constituée par deux ensembles haptiques (12, 14) sensiblement diamétralement opposés. Chaque ensemble haptique comprend: deux éléments d'appui (18, 20) massifs et sensiblement identiques, présentant chacun un bord d'appui (18a, 20a) sur la paroi interne de l'oeil; et deux bras de flexion sensiblement identiques (22, 24), chaque bras de flexion ayant une première extrémité raccordée mécaniquement à la périphérie (10a) de la partie optique et une deuxième extrémité raccordée à un élément d'appui (18, 20) en dehors de son bord d'appui (18a, 20a), chaque bras de flexion (22, 24) ayant sur au moins une partie de sa longueur une épaisseur selon la direction de l'axe optique supérieure à sa largeur.

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