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发明名称
无形变柔性钛镍根管锉
摘要
一种口腔疾病治疗用根管锉,该根管锉具有不同的锥度及较深的螺槽,其切削刃的纵剖面形状包括矩形+锥形其切削刃沿锉的轴线方向呈螺旋线锥状展开。该根管锉采用新型医用钛镍形状记忆合金材料,可随复杂根管系统的结构自由弯曲,在治疗过程中无真实形变,提拉和转动操作便利并且切削效果好、效率高,因螺槽深使得碎屑容易排出,多次使用不断裂,切刃不容易磨损。消毒处理时表面不容易生锈,使用寿命长。
申请公布号
CN2501467Y
申请公布日期
2002.07.24
申请号
CN00258208.2
申请日期
2000.10.23
申请人
郑玉峰;黄兵民
发明人
郑玉峰;黄兵民
分类号
A61C3/00
主分类号
A61C3/00
代理机构
代理人
主权项
1.一种无形变柔性钛镍根管锉,由锥形细棒和手柄组成,所述锥形细棒沿棒长方向设置有外螺纹,其特征为所述外螺纹的牙顶面为等宽带形弧面(1),所述外螺纹的牙底所形成的沟槽沿轴向纵剖面还可以为梯形(2),所述梯形沟槽的轴向纵剖面所形成的梯形的封闭底边大于开口边,即根管锉的切削刃纵剖面形状是矩形+梯形结构。
地址
100085北京市海淀区上地东路29号留学人员创业园508圣玛特公司
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