Contact glass for ophtalmologic surgery

• US 20080183159A1
• Filed: 08/01/2006
• Published: 07/31/2008
• Est. Priority Date: 08/25/2005
• Status: Active Grant

• Current Assignee: Carl Zeiss Meditec AG (Carl-Zeiss-Stiftung)
• Original Assignee: Carl Zeiss Meditec AG (Carl-Zeiss-Stiftung)
• Inventors: Stobrawa, Gregor, Bischoff, Mark, Ebert, Elke, Preuss, Dirk, Steinmetz, Dietmar
• Granted Patent: US 8,623,001 B2
• Time in Patent Office: Days
• US Class Current: 606/4
• CPC Class Codes: A61F 2009/00872 Cornea
• CPC Class Codes: A61F 9/00827 Refractive correction, e.g. lenticle
• CPC Class Codes: A61F 9/009 Auxiliary devices making contact with the eyeball and coupling in laser light, e.g. goniolenses apparatus for eye examination A61B3/0008

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.

Claims

1-9. -9. (canceled)

10. A contact glass for ophthalmic surgery, comprising:

an anterior lens surface, adapted for placement onto the eye; and

a vacuum fixator to removably fix the contact glass to the eye, wherein the anterior lens surface is annularly surrounded by a multiplicity of suction orifices through which a vacuum acts on the eye.