Optical scanning probe device using low coherence light

摘要: A flexible shaft driven to rotate is inserted through a transparent sheath having pliability. By fiber the inside thereof, low-coherence light guided and made exit living-body tissue side which an observation target lens prism forming entrance portion at tip portion. Subsequently, reflected on in order produce image. In that case, positioning member for keeping proper distance formed of or endoscope optical probe and, therefore, stable tomogram image can be produced.