A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 31/16 (2006.01) A61F 2/14 (2006.01) A61F 9/00 (2006.01) A61L 31/06 (2006.01) A61L 31/14 (2006.01) A61M 31/00 (2006.01) A61M 37/00 (2006.01) A61K 31/522 (2006.01)
Patent
CA 2544460
Controlled release devices are disclosed which are biocompatible and can be implanted into the eye. The devices have a core comprising a drug and a polymeric outer layer which is substantially impermeable to the entrance of an environmental fluid and substantially impermeable to the release of the drug during a delivery period, and drug release is affected through an orifice in the outer layer. These devices have an orifice area of less than 10 % of the total surface area of the device and can be used to deliver a variety of drugs with varying degrees of solubility and or molecular weight. Methods are also provided for using these drugs delivery devices.
Berger Donald E. Jr.
Hu Mae W. L.
Wong Vernon G.
Allergan Inc.
Borden Ladner Gervais Llp
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