Corneal onlay

US6454800B2 · kind B2 · utility

Assignee

• Novartis AG · CH

Inventors

• Beatrice Ann Dalton · Mona Vale, AU
• John Gerard Steele · Parramatta, AU
• Margaret Diana Macrea Evans · Chatswood, AU
• Janet Fitton · Jabiru, AU
• Graham Johnson · Parramatta, AU
• Ilene Kay Gipson · Concord, US

Key dates

• Filing date: Feb 12, 2001
• Grant date: Sep 24, 2002
• Expiry date: Feb 12, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2/142
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A corneal onlay or corneal implant is disclosed which is to be placed within or onto the surface of the cornea, being a biocompatible, optically transparent, synthetic and biostable polymeric material, said material comprising a surface that supports the attachment and growth of tissue cells, and where the exterior surface of the implant onto which epithelial tissue is to be attracted and to become attached, or in the case of a corneal onlay the anterior surface of the onlay, has a topography comprising a plurality of surface indentations.