Microscopy system for eye surgery and method of illumination

US7307785B2 · kind B2 · utility

Assignee

• CARL ZEISS SURGICAL GMBH · DE

Inventors

• Andreas Obrebski · Mülheim an der Ruhr, DE
• Christoph Hauger · Aalen, DE
• Peter Reimer · Ellwangen, DE
• Ludwin Monz · Mainz, DE
• Bernd Spruck · Heubach, DE
• Alfons Abele · Trochtelfingen, DE
• Hans Adolf Von Derschau · Oberkochen, DE
• Gerhard Moller · Aalen, DE
• Peter Amend · Clare, AU

Key dates

• Filing date: Feb 2, 2004
• Grant date: Dec 11, 2007
• Expiry date: May 8, 2024

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B21/18
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A microscopy system for eye surgery with an objective lens is suggested, which provides a retroillumination system to generate a so-called red reflex illumination during an eye-surgical treatment, in particular during a cataract operation.