| 摘要 |
An elongated channel is inserted in an inserting portion that is inserted in a body cavity or the like, the distal end of the channel opens to the outside at the distal end of the inserting portion and the back end of the channel opens to the outside in the vicinity of the back end of an operating portion, and further, an elongated channel that is inserted mainly in a connecting cord has its back end opened at an injecting cap of a connector portion and its front end opened at the operating portion. By connecting the back end and the front end of the channel with a connecting tube, it is possible to inject liquid from the back end of the channel and send out the liquid rapidly from the front end of the channel when examining by an endoscope, and also sterilize or the like speedily with the two short channels by removing the connecting tube at the time of washing or sterilizing with high-temperature and high-pressure vapor. |
