Nova Patents
ATE227435T1

Vitrectomy lens

Abstract

A self-adhering contact lens made of flexible material for adhering to cornea and scleral regions of the eye includes a central lens portion optically shaped for viewing interior regions of the eye. The central lens portion has an interior concave surface with a radius of curvature R1 for contacting the cornea. An outer flange formed integrally with the central lens portion extends radially outwardly from the central lens portion. The outer flange has an interior concave surface extending from the interior concave surface of the central lens portion. The interior concave surface of the outer flange is designed to contact the sclera and has a radius of curvature R2 that is greater than the radius R1 of. The outer flange is shaped for deflecting relative to the central lens portion for conforming the interior concave surface of the outer flange to the sclera.

Term

Term ended

Projected expiry passed 14 March 2020, 6.5 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
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11 members in 7 offices

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
DocumentOfficeKindDate
27142199United States of AmericaA
0000500International Bureau of the World Intellectual Property Organization (WIPO)W

Members11

Family members, oldest first
DocumentOfficeKind
US6120147AUnited States of AmericaA
WO0055679A1World Intellectual Property Organization (WIPO)A1
AU3667500AAustraliaA
EP1161705A1European Patent Office (EPO)A1
US6412946B1United States of AmericaB1
EP1161705B1European Patent Office (EPO)B1
AT227435TAustriaT
ATE227435T1This recordAustriaT1
DE60000731D1GermanyD1
ES2186640T3SpainT3
DE60000731T2GermanyT2