Patent ID: 9526654
Filing Date: 2016-12-27
CPC Classification: A61F,A61M

Claim Text:
1. An implantable therapeutic device to treat a patient, comprising: a hollow refillable housing for implantation within the posterior segment of an eye through a penetration in the sclera of the eye, the housing having a proximal end region; a proximal retention structure protruding outward from the proximal end region and comprising an access portion opening; a penetrable barrier positioned at least in part within the access portion opening, the penetrable barrier configured to be repeatedly penetrated, wherein the penetrable barrier has an upper region having an outer diameter that is larger than an outer diameter of a lower end of the penetrable barrier; a rigid porous structure positioned within a region of the housing away from the access portion opening; a reservoir chamber extending along an axis between the penetrable barrier and the porous structure, the reservoir chamber comprising a volume sized to deliver therapeutic amounts of a therapeutic agent to the eye for an extended period of time, wherein the access portion opening opens into the reservoir chamber; and an anchor positioned within the access portion opening that is annular in shape and in contact with at least a portion of the penetrable barrier such that the anchor encircles the at least a portion of the penetrable barrier.