ENDOSCOPIC DEVICE INTENDED, IN PARTICULAR, FOR A MEDICAL USAGE

摘要

The subject matter is an endoscopic device (1) comprising an optical guide head (2) intended to be at least partially inserted into a body or a cavity in order to view or image an object or a site that is poorly accessible to the naked eye. The optical guide head of such an endoscopic device is formed from an optical rod with a refractive index gradient.