Biocompatible ocular implants
First Claim
Patent Images
1. A method for treating an eye condition which comprises:
- providing an implant comprising a physiologically active therapeutic agent encapsulated in a pharmacologically acceptable biocompatible polymer;
producing by surgical means an avascular region external to the vitreous and proximal to the site of said eye condition; and
introducing said implant into the avascular region produced by said surgical means, thereby permitting diffusion of said therapeutic agent from said implant into the vitreous, and in proximity to said eye condition;
wherein said agent is maintained at an effective dosage for said eye condition at the site of said eye condition for an extended period of time.
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Abstract
Implants comprising active agents are employed for introduction into a suprachoroidal space or an avascular region of an eye for therapeutic purposes. The administration of drugs is controlled and maintained for long periods of time, while ensuring the substantial absence of significant levels outside the site of administration.
597 Citations
17 Claims
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1. A method for treating an eye condition which comprises:
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providing an implant comprising a physiologically active therapeutic agent encapsulated in a pharmacologically acceptable biocompatible polymer; producing by surgical means an avascular region external to the vitreous and proximal to the site of said eye condition; and introducing said implant into the avascular region produced by said surgical means, thereby permitting diffusion of said therapeutic agent from said implant into the vitreous, and in proximity to said eye condition; wherein said agent is maintained at an effective dosage for said eye condition at the site of said eye condition for an extended period of time. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for treating an eye condition which comprises:
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providing an implant comprising a non-biodegradable outer surface and a refillable reservoir, said reservoir comprising a physiologically active therapeutic agent; producing by surgical means an avascular region external to the vitreous and proximal to the site of said eye condition; and introducing said implant into the surgically-induced avascular region produced by said surgical means, thereby permitting diffusion of said therapeutic agent form said implant into the vitreous, and in proximity to said eye condition; wherein said agent is maintained at an effective dosage for said eye condition at the site of said eye condition for an extended period of time. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification