Fluorescent image obtaining apparatus

Details Fluorescent image obtaining apparatus Fluorescent image obtaining apparatus

2007-02-20

2007-02-20

Casler, Brian L. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S473000, C600S477000, C600S478000

Reexamination Certificate

active

10000956

ABSTRACT:
A fluorescent image obtaining apparatus for obtaining as an image the data relating to the fluorescent light emitted from a measurement portion upon the irradiation thereof by an excitation light, wherein by amplifying only the intensity of the fluorescent light, the S/N ratio of the fluorescent image based thereon is improved, is provided. The statistical quantities of a fluorescent image obtained by a wide-band fluorescent image obtaining element and a narrow-band fluorescent image obtaining element are computed by a statistical quantity computing means. If the statistical quantity is smaller than a predetermined value, the magnification rate of the imaging optical system is controlled by a magnification rate control means so that the fluorescent image is reduced and focused on the wide-band fluorescent image obtaining element and the narrow-band fluorescent image obtaining element.

REFERENCES:
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patent: 5813987 (1998-09-01), Modell et al.
patent: 6364829 (2002-04-01), Fulghum
patent: WO 88/08272 (1988-11-01), None
patent: WO 95/26673 (1995-10-01), None
patent: WO 98/29050 (1998-07-01), None
patent: WO 99/53832 (1999-10-01), None
patent: WO 00/15101 (2000-03-01), None
patent: WO 00/42910 (2000-07-01), None

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