Rigid video-endoscope having a rotatable device for adjusting th

Details Rigid video-endoscope having a rotatable device for adjusting th Rigid video-endoscope having a rotatable device for adjusting th

1989-12-12

1991-04-09

Ullah, Akm

Surgery

Truss

Pad

128 4, G02B 2326, A61B 100

Patent

active

050059432

ABSTRACT:
A rigid video-endoscope having an optical system which provide a rotatable image of an object to be observed is shown and described. The optical system is inside a rigid tube. A camera who's axis is in alignment with the optical axis of the optical system picks up the image provided by the optical system. A bundle of optical fibers passing along the tube is connected to a light source for illumination of the object to be observed. Rotation of the image provided by the optical system which adjusts the orientation of the image relative to an observer. The rotating device is disposed inside a handle of the video-endoscope together with the camera and disposed between the camera and the optical system.

REFERENCES:
patent: 4063796 (1977-12-01), Hiltebrandt
patent: 4140364 (1979-02-01), Yamashita et al.
patent: 4730909 (1988-03-01), Takahashi
patent: 4870950 (1989-10-01), Kanbara et al.
patent: 4905082 (1990-02-01), Nishigaki et al.

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