| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an endoscope which improves the ventilation between the inside and the atmosphere by a vent valve in a process to mount and demount a sterilization cap after a variety of sterilization, and surely makes an internal atmospheric pressure approximately the same as the atmospheric pressure regardless of the difference of an internal capacity. <P>SOLUTION: The endoscope 1 includes a check valve unit 20, the sterilization cap 50, and a vent valve unit 30. The check valve unit 20 includes a guide groove 21a of a prescribed length which guides a guide pin 54 of the sterilization cap 50 inserted thereto, and a projection 21b formed in an upper part of the groove 21a to keep the condition that an opening edge section 55 touches the guide pin 54 and pushes the vent valve 31 of the vent valve unit 30 in the process to mount or demount the sterilization cap 50 by turning. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
