Contact glass for ophthalmologic surgery

US8623001B2 · kind B2 · utility

Assignee

• Carl Zeiss Meditec AG · DE

Inventors

• Dirk Preuss · Jena, DE
• Elke Ebert · Jena, DE
• Gregor Stobrawa · Jena, DE
• Mark Bischoff · Jena, DE
• Dietmar Steinmetz · Bucha, DE

Key dates

• Filing date: Aug 1, 2006
• Grant date: Jan 7, 2014
• Expiry date: Jun 6, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2009/00872
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A contact glass for ophthalmic surgery, including a concave anterior lens surface for placement on the eye and a suction channel annularly surrounding the periphery of the anterior lens surface. The suction channel allows the contact glass to be fixed to the eye by means of a vacuum, it is envisaged that the suction channel comprise a multiplicity of suction orifices, which are annularly arranged with respect to the anterior lens surface and through which the vacuum acts on the eye.