Medizinische Vorrichtung zur Beobachtung eines Teilweise Fluoreszierenden Objekts unter Verwendung eines Filtersystems mit einem Übertragungsfenster

Details

Veröffentlichungs-Nr.

EP3251578

Aktenzeichen

EP16171887

Anmeldetag

30. Mai 2016

Veröffentlichung

11. März 2026

Erteilung

11. März 2026

Rechtsraum

EP

IPC

A61B1/00A61B1/04A61B1/06// G01N21/64G02B21/06G02B23/24G02B26/00G02B26/02

Abstract

The invention relates to a medical device (1) for the observation of a partly fluorescent object (2) such as tissue (3) comprising at least one fluorophore (4). The fluorophore (4) absorbs light in at least one spectral excitation waveband (46) and emits fluorescent light in at least one spectral emission waveband (54). In order to be able to observe also non-fluorescent regions in the tissue (3) without complicated filter arrangement, the medical device (1) according to the invention comprises at least one filter system (16, 38) which comprises, in a filter plane (18), comprises a filter area (20) and a transmission window (22). The filter area (20) comprises a band pass filter (24) having at least one passband (44) comprising the at least one excitation waveband. The transmission window has a passband (48) which is wider than the passband (44) of the filter area (20). In particular, a filter layer (64) of the filter area (20) may be missing in the transmission window (20).

Anmelder

Firma

Leica Instruments (Singapore) Pte. Ltd.

Land

🇸🇬 Singapur

Fachgebiete