| 摘要 |
<P>PROBLEM TO BE SOLVED: To clean an observation window certainly without leaving water drop while keeping high washing ability without weakening water flow of the washing liquid even if there are a plurality of washing liquid nozzles. <P>SOLUTION: A rigid endoscope includes an endoscope body, a sheath, a fluid tube path, and a plurality of washing liquid nozzles, and the endoscope body has an operation part and a rigid inserting part which is connected to the front end of the operation part, and the sheath is inserted with the inserting part of the endoscope body, and the fluid tube path is composed of a gap between the inserting part inserted in the sheath and the inner wall of the sheath, and the plurality of washing liquid nozzles connect to the fluid tube path and receive the supply of washing liquid from the fluid tube path to eject the washing liquid on the front end surface of the inserting part, and the directions of the plurality of washing liquid nozzles are arranged not to cross the directions of washing liquid flows ejected from each washing liquid nozzle mutually on the front end surface, and the rigid endoscope is provided. <P>COPYRIGHT: (C)2012,JPO&INPIT |
