Patent · US Active

System and method for examining an illuminated object

US8929974B2 · kind B2 · utility

19Cited by

4References

20Claims

0Family size

Assignee

Carl Zeiss Meditec AG · DE

Inventors

Christoph Hauger · Aalen, DE
Werner Nahm · Vellberg, DE
Theo Lasser · Crissier, CH
Marcel Leutenegger · Oebisfelde, DE
Erica Martin-Williams · Pully, CH
Antonio Lopez · Troy, US

Key dates

Filing date	Apr 8, 2010
Grant date	Jan 6, 2015
Priority date	—
Expiry date	Nov 7, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/30016
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In a system and a method for examining an object containing a fluid liquid, the object is illuminated with measuring light and images are temporarily shortly subsequently recorded. The images are evaluated per pixel to determine perfusion data from a high frequency portion above 1 kHz and to determine further information about properties of the object from a low frequency portion below 100 Hz, such as a degree of oxygenation of hemoglobin, a concentration of hemoglobin or a concentration of ICG. This information determined by evaluation is displayed in a form of an image in superposition with a white light image of the object.

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