Implementation instrument and method

Details Implementation instrument and method Implementation instrument and method

Category

A - Human Necessities

Subcategory

61

Subsubcategory

F

IPC codes

A61F 9/007 (2006.01) A61B 17/00 (2006.01)

Type

Patent

Patent number

CA 2271007

Description

The disclosure relates to a method and instrument for implanting retinal tissue into the sub-retinal space (80) of the eye. The method includes the steps of inducting a fragment of retinal tissue (120) into a tubular nozzle (110) of an instrument by retracting a mandrel (106) telescoped internally of the nozzle, incising the pars plana (70) region of the eye, incising the retina (68) of the eye to expose a sub-retinal target area, inserting the nozzle of the instrument through the incisions in the pars plana and retina of the eye, orientating an open end (118) of the nozzle over the target area of the retina, and retracting the nozzle relative to the mandrel of the instrument to deposit the tissue in the target area of the eye.

Cette invention se rapporte à un procédé et à un instrument permettant d'implanter du tissu rétinien à l'intérieur de l'espace sous-rétinien de l'oeil. Ledit procédé consiste à introduire un fragment de tissu rétinien (120) à l'intérieur d'une busette tubulaire (110) d'un instrument en escamotant un mandrin (106) télescopé à l'intérieur de ladite busette, à inciser la région postérieure (70) de l'oeil, à inciser la rétine (68) de l'oeil de manière à exposer une zone cible de la sous-rétine, à insérer la busette de l'instrument à travers les incisions pratiquées dans la région postérieure et la rétine de l'oeil, et à escamoter la busette par rapport au mandrin de l'instrument afin de déposer le tissu dans la zone cible de l'oeil.

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