Subconjunctival implants for ocular drug delivery

Details Subconjunctival implants for ocular drug delivery Subconjunctival implants for ocular drug delivery

1992-08-10

1994-04-05

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

623 5, A61F 214

Patent

active

053001141

ABSTRACT:
A system for providing controlled release of an active agent in an eye includes a device with a shape thereof for enabling placement of the device under a conjunctiva of an eye and additionally preventing migration of the device in the eye after placement of the device under the conjunctiva. The device may be formed of a material permeable to the passage of an agent disposed in said device. In addition, a tracer may be incorporated in the device to enable visual indication of the amount of active agent in said device when said device is disposed under the conjunctiva. To selectively treat specific areas of the eye, an impermeable layer may be provided for preventing diffusion of the active agent from a selected area of the device.

REFERENCES:
patent: 3916899 (1975-11-01), Theeuwes et al.
patent: 3961628 (1976-06-01), Arnold
patent: 3995635 (1976-12-01), Higuchi et al.
patent: 4186184 (1980-01-01), Zaffaroni
patent: 4863457 (1989-09-01), Lee
patent: 5030230 (1991-07-01), White
patent: 5098443 (1992-03-01), Parel et al.

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