发明名称 |
Hand-held pneumatic implement for removing dental scale |
摘要 |
A hand-held implement for removing dental scale provided with a rigid shaft to which is applied vibrations in a rotational or circumferential direction by a dynamically unbalanced air driven turbine. The rotor of the turbine is coupled to the shaft by a bearing and the shaft is restrained from rotating and restrained axially. Provision is made for supplying cooling water through the shaft to a dental scale removing tool mounted on a free end of the vibrated shaft.
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申请公布号 |
US4484892(A) |
申请公布日期 |
1984.11.27 |
申请号 |
US19820374952 |
申请日期 |
1982.05.05 |
申请人 |
MICRO-MEGA S.A. |
发明人 |
PERNOT, JACQUES;LACOUR, BERNARD |
分类号 |
A61C17/18;A61C17/20;(IPC1-7):A61C3/03 |
主分类号 |
A61C17/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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