| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage case for endodontic instrument which enables to easily know how many time the stored endodontic instrument has been used and can be dumped before it is broken by fatigue during treatment. SOLUTION: This storage case for endodontic instrument has a bottom and a lid for storing a tray. An endodontics instrument such as a handle for holding a flexible cutter is laid in a normal angle on the tray. Instruments of a same diameter are identified by specific color of the handle. The operation procedure is roughly showed on the tray as the order of use. Multiple slots 4, 5, 6 are equipped on the lid 3 corresponding to color of handles of instruments. Sliders 7, 8, 9 slide in the slots within a range 0 to 10. The numbers how many times instruments are used can be respectively known at a glance. Thus when an instrument has to be dumped can be easily decided. |
