Endoscopic instrument for performing endoscopic procedures...

Details Endoscopic instrument for performing endoscopic procedures... Endoscopic instrument for performing endoscopic procedures...

2005-03-08

2005-03-08

Yu, Justine R. (Department: 3764)

Surgery

Endoscope

With tool carried on endoscope or auxillary channel therefore

C600S117000

Reexamination Certificate

active

06863650

ABSTRACT:
An endoscopic instrument, comprises a shaft, a handle arranged at a proximal end of said shaft, at least one working part arranged at a distal end of said shaft, and at least one marking having a fluorescing substance that can be excited to fluoresce by a light source, said marking is provided at a distal end section of said instrument. Said fluorescing substance is selected in such a way that its exciting range lies in an excitation range of a tumor-specific photosensitizer or in an excitation range of a tissue autofluorescence.

REFERENCES:
patent: 4541438 (1985-09-01), Parker et al.
patent: 4918000 (1990-04-01), Schubert
patent: 6258576 (2001-07-01), Richards-Kortum et al.
patent: 6294331 (2001-09-01), Ried et al.

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