Endoscope apparatus

Details Endoscope apparatus Endoscope apparatus

1989-07-05

1990-09-04

Grieb, William H.

Surgery

Truss

Perineal

128633, A61B 106

Patent

active

049535390

ABSTRACT:
An endoscope apparatus has an illuminating device for applying at least infrared illuminating light to the interior of an organic body across the organic tissue of the body, an elongated insert portion to be inserted into the body, and an image pickup device having a light-receiving portion provided on an end of the insert portion and capable of picking up the infrared image of an object illuminated by the light transmitted through the tissue of the body. The endoscope apparatus further has an exposure amount control device capable of controlling the amount of exposure of the object by the illuminating device and applied to the object through the tissue of the body, and the amount of exposure of the object by illuminating light from another illuminating device which applies illuminating light to the object from inside of the body. The endoscope light source apparatus also comprises a body outside illuminating apparatus transmittively illuminating from outside the body the part observed with the endoscope. The exposure controlling apparatus controlling at least one of the exposure to the body inside illuminating light body from the body inside illuminating light source and the exposure to the outside illuminating light. The body outside illuminating light source can be made integral with the body inside illuminating light source and have a light transmitting member transmitting the light emitted from this body outside illuminating light source to a predetermined position outside the body and emitting it.

REFERENCES:
patent: 4429686 (1984-02-01), Hosoda
patent: 4618884 (1986-11-01), Nagasaki
patent: 4646743 (1987-03-01), Parris
patent: 4685451 (1987-08-01), Ando
patent: 4759347 (1988-07-01), Ando
patent: 4768089 (1988-07-01), Kato

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