Videoendoscopic system

Details Videoendoscopic system Videoendoscopic system

2007-05-01

2007-05-01

Perkey, W. B. (Department: 2851)

Photography

Body examination photography

Endoscope

C348S068000, C348S073000, C348S075000, C600S172000

Reexamination Certificate

active

11058674

ABSTRACT:
A videoendoscopic system (1) including an endoscope optical system (2) and a camera portion (3), the endoscope optical system (2) having an elongated shaft (4) through which an optical image guide (5) and a fiber light guide (6) pass, and an end housing (7), which is proximally connected to the shaft (4) and has an image exit window (10) and a light entry window (8) with radiation directions that are parallel to one another and to the axis of the shaft (4). The camera portion (3) includes a camera housing (15), from which an image signal cable (24) and a light guide cable (20) pass out, and an image entry window (18) and a light exit window (19), which are arranged with parallel radiation directions at a distance from the windows (8, 10) in the end housing (7) and the end housing (7). The camera housing (15) is constructed with a rotationally fixedly lockable coupling device (7, 16, 25, 26, 19) for coupling the windows (8, 19; 10, 18) to one another in a centering manner. The the coupling device has a cylinder (7) on one of the housings and a matching bore (16) on the other housing (15). The windows (8, 10; 19, 18) are arranged in the end wall (11) of the cylinder (7) and the base wall (17) of the bore (16).

REFERENCES:
patent: 4884133 (1989-11-01), Kanno et al.
patent: 4905082 (1990-02-01), Nishigaki et al.
patent: 5609561 (1997-03-01), Uehara et al.
patent: 5682199 (1997-10-01), Lankford
patent: 6361491 (2002-03-01), Hasegawa et al.
patent: 6494826 (2002-12-01), Chatenever et al.
patent: 7077804 (2006-07-01), Ota

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