Endoscope system including endoscope and disposable protection cover
 In an endoscope system including an endoscope having an insertion section and an operation section and a disposable protection cover having an insertion section cover having formed therein a forceps channel and a forceps inlet opening through which a forceps can be inserted into the forceps channel, the forceps inlet opening is selectively closed by a forceps plug which is made of resilient material and separately formed from the insertion section cover. The forceps plug is preferably formed such that it can be detachably secured to a forceps inlet opening of an ordinary coverless (without-cover} endoscope. 
Olympus Optical Company, Ltd.
A A A A A A A A
A61B A61B A61B A61B A61B A61B A61B A61B
inventional inventional inventional additional additional inventional inventional additional
Masaaki Hisao Akira Yoshihiro Osamu Koji Minoru Yoshio Hideo
Nakazawa Yabe Suzuki Iida Tamada Yamaya Yamazaki Tashiro Ito