FIELD: medical engineering; hygiene. SUBSTANCE: device has head with bristle, neck and handle with coutersliding members. The coutersliding members are made in the form of perforated cylindric insert. The perforated cylindric insert is mounted on the handle forming a cavity between them. EFFECT: enhanced effectiveness in cleaning teeth. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TOOTH-BRUSH | 1992 |
|
RU2041694C1 |
| TOOTH-BRUSH | 1992 |
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| TOOTH BRUSH | 1992 |
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| TOOTH-BRUSH | 1990 |
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RU2032364C1 |
| TOOTH BRUSH | 1992 |
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| TOOTH BRUSH | 1991 |
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RU2039501C1 |
| TOOTH BRUSH | 1992 |
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RU2020846C1 |
| TOOTH-BRUSH | 1992 |
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RU2039509C1 |
