Electronic endoscope apparatus capable of displaying hemoglobin

Details Electronic endoscope apparatus capable of displaying hemoglobin Electronic endoscope apparatus capable of displaying hemoglobin

1989-01-18

1990-04-03

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 6, A61B 106, H04N 718

Patent

active

049145126

ABSTRACT:
In an electronic endoscope apparatus, there are provided a brightness converter for converting brightness of a color image signal of a biological body under examination while the biological body is irradiated by monochromatic light; a plurality of image memories for storing a plurality of brightness-converted image signals; and a calculating circuit for calculating the plurality of brightness-converted image signals to obtain a concentration of hemoglobin of the biological body and an oxygen saturation of hemiglobin thereof. Then, the concentration of hemoglobin and oxygen saturation of the biological body are displayed as a color image.

REFERENCES:
patent: 4593313 (1986-06-01), Nagasaki et al.
patent: 4716457 (1987-12-01), Matsuo
patent: 4737842 (1988-04-01), Nagasaki
patent: 4768089 (1988-08-01), Kato
E. Gordy, et al., "Journal of Biological Chemistry", Spectrophotometric Studies, vol. 227 (1957) pp. 285-299.

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