Device for reversibly attaching an implant in an eye

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/14 (2006.01)

Patent

CA 2643843

The aim of the invention is to create a device for reversibly attaching an implant to an eye, which allows the implant to be easily attached to and removed or explanted from the eye again. Said aim is achieved by a device for attaching an implant by means of a nail (1) that is provided with a substantially elongate shaft, the implant comprising an implant film (4) for contacting living tissue or nerves in the visual system of the eye. The implant film is fitted with an opening (5) through which at least part of the nail can be guided. The invention is characterized in that the device encompasses a holding element (10) which can be disposed on the shaft of the nail such that the holding element contacts the shaft of the nail and is fixed to the nail in a mounted position. The implant is reliably attached and can be removed from the retina again by detaching the holding element or retainer, without also having to remove the nail that is anchored to the eye.

L'invention vise à mettre en oeuvre un dispositif de fixation réversible d'un implant à l'oeil, permettant de fixer l'implant de façon simple à l'oeil, puis de le détacher ou de l'extraire à nouveau. A cet effet, le dispositif de fixation fait intervenir un clou (4) présentant une tige essentiellement tendue. Par ailleurs, l'implant comporte une pellicule (4) destinée à la mise en contact de tissus vivants ou de nerfs dans le système visuel de l'oeil, la pellicule présentant une ouverture (5) pouvant être traversée au moins partiellement par le clou. Le dispositif selon l'invention est caractérisé en ce qu'il comporte un élément de fixation (10) pouvant être fixé sur la tige du clou de telle manière que l'élément de fixation entre en prise avec la tige et est fixé au clou dans une position de fixation. L'implant est d'une part fixé de façon fiable mais peut également être détaché de la rétine par retrait de l'élément de fixation ou de l'élément de retenue, le clou ancré dans l'oeil ne devant pas être retiré.

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