Patent · US Active

OCT-based ophthalmological measuring system

US8845097B2 · kind B2 · utility

0Cited by

8References

17Claims

0Family size

Assignee

Carl Zeiss Meditec AG · DE

Inventors

Martin Hacker · Jena, DE
Thomas Pabst · Leonberg, DE
Ralf Ebersbach · Schmölln, DE
Gerard Antkowiak · Jena, DE

Key dates

Filing date	Jul 2, 2011
Grant date	Sep 30, 2014
Priority date	—
Expiry date	Jul 18, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B3/1005
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An ophthalmological measuring system for determining distances and/or for tomographic imaging of ocular structures, based on an OCT method. The measuring system includes a light source with a spectral centroid (λ), an interferometric measuring device, a scanner system, which in addition to the lateral deflection of the sample beam also has axial modulations with a frequency (f) in the sample arm, and a control and evaluation unit. The scanner performs a lateral, two-dimensional deflection of the sample beam with the aid of one or even two separate mirror elements and can in particular have axial modulation amplitudes zM>>λ/2. The system can also be used for scanner systems in other fields that use an OCT method, in particular a swept-source OCT method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.