Delivery system and method of use for the eye

A - Human Necessities – 61 – F

Patent

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Details

A61F 9/008 (2006.01) A61F 9/011 (2006.01) A61B 17/00 (2006.01) A61B 18/00 (2006.01) A61B 18/22 (2006.01) A61F 2/14 (2006.01) A61F 9/007 (2006.01)

Patent

CA 2446143

A method and delivery system are disclosed for creating an aqueous flow pathway in the trabecular meshwork, juxtacanalicular trabecular meshwork and Schlemm's canal of an eye for reducing elevated intraocular pressure. Pulsed laser radiation is delivered from the distal end of a fiber-optic probe sufficient to cause photoablation of selected portions of the trabecular meshwork, the juxtacanalicular trabecular meshwork and an inner wall of Schlemm's canal in the target site. The fiber-optic probe may be advanced so as to create an aperture in the inner wall of Schlemm's canal in which fluid from the anterior chamber of the eye flows. The method and delivery system may further be used on any tissue types in the body.

Procédé et système d'administration pour créer un flux d'écoulement aqueux dans le tissu trabéculaire, le tissu trabéculaire juxtacanaliculaire et le canal de Schlemm d'un oeil, et ce afin de réduire une pression intraoculaire élevée. On fournit un rayonnement laser pulsé à partir de l'extrémité distale d'une sonde à fibre optique, qui est suffisant pour provoquer la photoablation des parties sélectionnées du tissu trabéculaire, du tissu trabéculaire juxtacanaliculaire et d'une paroi interne du canal de Schlemm d'un site cible. On peut faire avancer la sonde à fibre optique pour créer une ouverture dans la paroi interne du canal de Schlemm par laquelle s'écoule le liquide provenant de la chambre antérieure de l'oeil. Ce procédé et système d'administration peuvent en outre être utilisés sur tous types de tissus dans un corps.

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