Device for photodynamic diagnosis or treatment

US6640131B1 · kind B1 · utility

Assignee

• Karl Storz GmbH & Co. KG · DE

Inventors

• Klaus Irion · Liptingen, DE
• Herbert Stepp · Planegg, DE
• Andre Erhardt · Wurmlingen, DE
• Hans Tafelmaier · Rosenheim, DE

Key dates

• Filing date: Mar 14, 2001
• Grant date: Oct 28, 2003
• Expiry date: Mar 14, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B5/0071
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An endoscopic or microscopic apparatus for diagnosis by means of a light-induced reaction in biologic tissue “in vivo” which is created by a photo-amboceptor or by autofluorescence is provided. The inventive apparatus is characterized by the feature that at least one reference wavelength &lgr;r is provided which is longer by up to 2&Dgr;&lgr; at maximum or smaller than the wavelength &lgr;s at the point of intersection.