Method of treating intraocular lens and the like

Details Method of treating intraocular lens and the like Method of treating intraocular lens and the like

1977-11-30

1979-10-09

Hoffman, James R.

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

3 13, 427164, 427444, A61F 900, B05D 300, B05D 118

Patent

active

041706617

ABSTRACT:
A method of treating an intraocular lens or ophthalmic surgical tool with a water-soluble adherent film forming material, such as polyvinyl alcohol, in a liquid media after which the liquid media is evaporatively removed to provide a dehydrated coating that is both water-soluble and liquid swellable. The device is packaged and sterilized, such as by ethylene oxide, and supplied to the ophthalmologist. Immediately prior to its use in surgery, the ophthalmologist rehydrates the coating by submerging in a sterile aqueous bath causing the coating to swell into a soft sluffable cushion for protecting a corneal endothelium during both static touch contact and dynamic sliding contact with the coated lens or tool.

REFERENCES:
patent: 2688139 (1954-09-01), Jardon
patent: 3711870 (1973-01-01), Deitrick
patent: 3906551 (1975-09-01), Otter
patent: 3996627 (1976-12-01), Deeg et al.
Newsweek, "New Lens for Cataracts", Jun. 30, 1975, p. 45.
Kaufman et al., "Endothelial Damage from Intraocular Lens Insertion", Inv. Ophth., vol. 15 (1976) pp. 996-1000.
Kaufman et al., "Prevention of Endothelial Damage from Intraocular Lens Insertion", Tr. Am. Acad. Ophth. & Otol., vol. 83 (1977) pp. 204-212.
Kaufman et al., "Pathology of the Corneal Endothelium", Inv. Ophth. Visual Sci., vol. 16 (1977) pp. 265-268.
Fechner, "Methyl Cellulose in Lens Implantation", J. Am. Intraocular Implant Soc., vol. 3 (1977), pp. 180-181.
Kaufman et al., "Corneal Endothelium Damage with Intraocular Lenses: Contact Adhesion Between Surgical Materials and Tissue", Science, vol. 198 (1977), pp. 525-527.

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