Arrangement and method for diagnosing malignant tissue by fluore

Details Arrangement and method for diagnosing malignant tissue by fluore Arrangement and method for diagnosing malignant tissue by fluore

1997-03-24

2000-05-09

Smith, Ruth S.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

607901, A61B 500

Patent

active

060615915

ABSTRACT:
The invention relates to an arrangement and method for diagnosing malignant tissue by fluorescence observation with an endoscope. A stroboscope is used as a white light source in order to illuminate the interesting tissue region through the endosocope. A laser is simultaneously used in order to stimulate the fluorescence. At a time, the analyzer is activated in the dark phase between two light flashes of the stroboscope and deactivated during a visible light flash. The tissue, with a continuous fluorescence stimulation by exposure to light with a stimulating wavelength, may be observed under a pseudo-white light. The spectrogram may be represented on a screen which displays a normal white light endoscopic picture.

REFERENCES:
patent: 4556057 (1985-12-01), Hiruma et al.
patent: 4768513 (1988-09-01), Suzuki

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