| 摘要 |
FIELD: aids for cleaning spaces among teeth. ^ SUBSTANCE: device has handle with head and single-use holder. Holder intends for placing part of floss. Holder has main part and pair of jaws disposed at some distance. Jaws are disposed apart base. Head of handle is disposed between jaws when holder is placed in correctly coincided position in relation to handle. Device has lock, which lock provides ability of mutual connection of holder with handle if only holder is disposed in correctly coincided position with head. Lock has part in form of recesses disposed onto head, and part in form of corresponding ridges onto holder. There are two recesses and corresponding ridges, which are made for getting into mutual connection and slide when holder and head are both at correctly coincided position. If holder turns to position that it is brought into coincidence with head improper way, ridges of lock onto holder prevent connection of holder with head. ^ EFFECT: safety at usage; improved efficiency of cleaning. ^ 36 cl, 22 dwg |
