Endoscope apparatus having light source movable between on and o

Details Endoscope apparatus having light source movable between on and o Endoscope apparatus having light source movable between on and o

1998-09-14

2000-10-24

Leubecker, John P.

Surgery

Endoscope

Having imaging and illumination means

600160, A61B 106

Patent

active

061359475

ABSTRACT:
An endoscope apparatus includes an endoscope having a light guide fiber for guiding illumination light and a battery-powered light source detachably mounted on the endoscope. A lamp in the light source is switched between a turned-on state and a turned-off state by changing a relative position between the battery-powered light source and the endoscope while the battery-powered light source is mounted on the endoscope. With this arrangement, it can be easily discerned whether the lamp is turned on or off from a glance at the outside appearance of the endoscope apparatus.

REFERENCES:
patent: 3315207 (1967-04-01), Speelman
patent: 3592199 (1971-07-01), Ostensen
patent: 5060633 (1991-10-01), Gibson
patent: 5170775 (1992-12-01), Tagami
patent: 5178131 (1993-01-01), Upsher
patent: 5588950 (1996-12-01), Sano et al.
patent: 5924978 (1999-07-01), Koeda et al.

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