发明名称 |
Boring needle device for treatment of a dental root canal |
摘要 |
PCT No. PCT/JP78/00026 Sec. 371 Date July 17, 1979 Sec. 102(e) Date July 16, 1979 PCT Filed Nov. 15, 1978 PCT Pub. No. WO79/00300 PCT Pub. Date May 31, 1979 A boring needle device for treatment of a dental root canal has a boring needle useful upon treating a dental root canal. The needle can be adjusted, without resort to any special adjustment expedient, to a boring effective needle length which is corresponding to a depth of the canal preliminarily determined by separate means. The needle is secured at the proximal end to a grip member which is caused to stepwisely minutely slide relative to a sleeve member whereby a length of the needle projecting from the sleeve member can be finely adjusted by a determined minute distance.
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申请公布号 |
US4268251(A) |
申请公布日期 |
1981.05.19 |
申请号 |
US19790101862 |
申请日期 |
1979.07.16 |
申请人 |
TAKASUGI, MITSUO;OKUYAMA, YOSHIO |
发明人 |
TAKASUGI, MITSUO;OKUYAMA, YOSHIO |
分类号 |
A61C5/02;(IPC1-7):A61C5/02 |
主分类号 |
A61C5/02 |
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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