Corneal inlay with holes

Details Corneal inlay with holes Corneal inlay with holes

1984-09-26

1986-11-25

Frinks, Ronald L.

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

Eye prosthesis

Corneal implant

128 1R, 623 11, A61F 214

Patent

active

046246690

ABSTRACT:
A corneal inlay for implant within the cornea and of a material such as polysulfone or PMMA, including a plurality of small holes or pores to pass nutrients and fluids from the bottom surface layer of the cornea to the top surface layer of the cornea. The holes can be round, the holes can be rectangular in configuration, or the holes can be slits in configuration, preferably small enough so that the holes are not visible to the naked eye. The holes can be particularly slots of a finite width and length, either adjacent to the edges of the inlay or across the surface of the inlay. The holes also provide for breathing and passage of nutrients and fluids, as well as oxygen transmission, between the upper and lower surfaces of the cornea in which the inlay has been implanted.

REFERENCES:
patent: 2714721 (1955-08-01), Stone
patent: 3699956 (1972-10-01), Kitrilakis et al.
Corneal Surgery (book) by Louis J. Girard, Advanced Techniques in Ophthalmic Microsurgery, Vol. Two, 1981, pp. 143-149, FIG. 6-2 on pp. 146-147.

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