Surgery – Miscellaneous – Devices placed entirely within body and means used therewith
Patent
1994-11-22
1997-02-11
Sykes, Angela D.
Surgery
Miscellaneous
Devices placed entirely within body and means used therewith
604 8, A61M 2700
Patent
active
056010940
ABSTRACT:
The invention is directed to an ophthalmic shunt implantable in a human eye. The shunt includes a central portion, an anterior tab extending from one end of the central portion and a posterior tab extending from an opposite end of the central portion. The tabs are disposed at an angle to the central portion. When the shunt is implanted, the curvature substantially corresponds to the exterior curvature of the eye at and adjacent to the location of the limbus, and the overall length of the shunt is sufficient to allow the anterior tab to be disposed intracorneally and the posterior tab to extend into a suprachoroidal space formed between the sclera and the choroid. During implantation, an opening is formed at the location of the limbus and extends into the anterior chamber of the eye. The shunt is disposed to bridge the opening and maintains a gap above the opening. Accordingly, the aqueous fluid from the anterior chamber flows along the shunt and into the suprachoroidal space, thereby reducing the intraocular pressure.
REFERENCES:
patent: 4729761 (1988-03-01), White
patent: 5338291 (1994-08-01), Speckman et al.
patent: 5397300 (1995-03-01), Baerveldt et al.
Gilbert Samuel
Sykes Angela D.
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