发明名称 |
Root canal treatment instrument and manufacturing method for the root canal treatment instrument |
摘要 |
This invention relates to a root canal treatment instrument comprising: a needle extending in a rodlike form, comprising: working section made of a superelastic alloy extending from a distal end of the needle; and a shank extending axially between the working section and a proximal end of the needle, made of at least partially a non-superelastic alloy, and a handle attached to a proximal end of the needle and adapted to be manipulated by a hand of a dentist. The working section possesses flexible nature because of its superelastic alloy composition, whereas the shank possesses rigid nature because of its non-superelastic alloy composition.
|
申请公布号 |
US5775902(A) |
申请公布日期 |
1998.07.07 |
申请号 |
US19950577330 |
申请日期 |
1995.12.22 |
申请人 |
KABUSHIKI KAISHA MATSUTANI SEISKUSHO |
发明人 |
MATSUTANI, KANJI;HIRANO, HIROSHI;SATOH, KATSUTOSHI;MATSUMOTO, TAKAYUKI |
分类号 |
A61C5/04;A61C5/02;A61C19/04;(IPC1-7):A61C1/02 |
主分类号 |
A61C5/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|