Implant with subconjunctival arch

Details Implant with subconjunctival arch Implant with subconjunctival arch

1991-01-31

1992-07-07

Frinks, Ronald

Surgery

Devices transferring fluids from within one area of body to...

With flow control means

623 4, A61M 500

Patent

active

051279010

ABSTRACT:
An ophthalmic implant for draining aqueous humor from the anterior chamber of the eye comprises a transcleral conduit having an inlet opening at one end thereof for communicating with the anterior chamber of an eye, and an outlet opening at an opposite end of the conduit for draining fluid from the anterior chamber. An elongated arch shaped subconjunctival channel is connected to the conduit and has an inlet opening into the channel for communicating with the outlet opening of the conduit, the channel having an outlet openings for discharging fluid from the conduit, subconjunctivally over the sclera of the eye. A one-way flow resisting valve is provided in the conduit for allowing a flow of fluid to pass under resistance and in only one direction from the inlet to the outlet of the conduit, whereby pressure in the anterior chamber is relieved while avoiding excessive outflow of fluid from the anterior chamber.

REFERENCES:
patent: 3159161 (1964-12-01), Ness
patent: 3595240 (1971-07-01), Mishler
patent: 4037604 (1977-07-01), Newkirk
patent: 4402681 (1983-09-01), Haas et al.
patent: 4449974 (1984-05-01), Messingschlager
patent: 4886488 (1989-12-01), White

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