| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an endoscope which enables the observation of a tool operated by an introduction guiding tube in the best observation condition regardless of a distance to a region to be observed, and an endoscopic treatment apparatus. <P>SOLUTION: The endoscope 1 for observing tools which are inserted in the introduction guiding tubes 2a and 2b to be guided includes an observation optical system which can change an angle view θ to capture an image of an observation optical field. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
