Light source device for endoscope has biasing member which biases aperture mechanism continuously in opening or closing direction

摘要

The device includes a light source for providing illumination light via a light guide (2). An aperture mechanism arranged between the light source and the end of the light guide is operated by an adjustment mechanism. A biasing member (9) biases the aperture mechanism continuously in the direction in which it is opened or closed. The aperture mechanism may comprise a pair of aperture members (10), between which a beam path (L) is arranged. An Independent claim is included for a light source device for an endoscope.