Intraocular lens implants

Patent 4664666 Issued on May 12, 1987. Estimated Expiration Date:

August 13, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Bioimplantable device from crosslinked, swollen, hydrophilic polymers
Patent #: 3961379
Issued on: 06/08/1976
Inventor: Highgate

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Issued on: 09/12/1978
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Patent #: 4242762
Issued on: 01/06/1981
Inventor: Tennant

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Patent #: 4249272
Issued on: 02/10/1981
Inventor: Poler

Accommodating intraocular implant
Patent #: 4254509
Issued on: 03/10/1981
Inventor: Tennant

Packaging means for an intraocular lens
Patent #: 4257521
Issued on: 03/24/1981
Inventor: Poler

Artificial intraocular lens with forward-positioned optics
Patent #: 4261065
Issued on: 04/14/1981
Inventor: Tennant

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Patent #: 4315336
Issued on: 02/16/1982
Inventor: Poler

Contact-lens construction
Patent #: 4402579
Issued on: 09/06/1983
Inventor: Poler

Packaging system for intraocular lens structures
Patent #: 4423809
Issued on: 01/03/1984
Inventor: Mazzocco

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Inventor

Barrett, Graham D.

Assignee

Ezekiel Nominees Pty. Ltd. (AU)

Application

No. 06/640098 filed on 08/13/1984

US Classes:

623/6.44Plate

Examiners

Primary: Frinks, Ronald L.

Attorney, Agent or Firm

Lowe, Price, Leblanc, Becker & Shur

International Class

A61F 2/16 (20060101)

Foreign Application Priority Data

1983-08-30 AU

Abstract

An intraocular lens suitable for implantation in the human eye to replace the natural crystalline lens comprising a self-supporting lens formed entirely of a hydrogel and having a relatively thick optical portion with relatively thin resilient flange means extending away from the optical portion, the flange means being arranged to retain the implant in place in the eye.

Other References

Lens Styles from Cilco (Brochure Advertisement-6 pp.) Cilco, Inc., 1616 13th Ave., Box 1680, Huntington, West Va 25717, pp. 1, 4 and 6 cited, Oct. 1982 (note Lenses on p. 4 & 6)
"The New Soft Intraocular Lens Implant" by K. R. Mehta et al., Am Intra-Ocular Implant Soc. J., vol. IV, Oct. 1978, pp. 200-205
"The Soft Intraocular Implant", by K. R. Mehta et al., The Cornea in Health & Disease (VIth Congress of the European Society of Ophthalmology); Royal Society of Medicine International Congress & Symposium Series No. 40, pp. 859-863, 1981
M. F. Refojo, "Ophthalmic Hydrogels", Technomic, Technomic Publishing Company, Inc. (1980), p. 171-185
Wichterle et al., "Ofthalmol.", vol. 16, pp. 154-159 (1960)
Epstein, British Journal of Ophthalmology, vol. 41, pp. 368-376 (1957)
Epstein, British Journal of Ophthalmology, vol. 43, pp. 29-33 (1959)
Edward Epstein, American Intraocular Implant Society Journal, vol. 7, No. 1, pp. 66-67, (1981)
Mazzocco et al., Soft Implant Lens In Cataract Surgery, Chapter 11, pp. 143-150, 1986, (Chapter 11 by Epstein)
Kwitco, Psuedophakia, Current Trends and Concepts, Chapter 1, pp. 3-30 (1980)