Title:
ポイントチップ及び放物線状切削溝を備えた歯科治療器具
Document Type and Number:
Japanese Patent JP4414887
Kind Code:
B2
Abstract:
A series of multi-tapered parabolic implements (18) is disclosed for endodontic use. The implements comprise different sections: a pilot tip (20), a first portion ( alpha ) adjacent the pilot tip and a second portion ( beta ) adjacent the shank. The two portions have different tapers. The tapers of the two different portions blend into each other along a parabola-shaped surface.
Inventors:
Leonardo Steven Buchanan
Application Number:
JP2004545578A
Publication Date:
February 10, 2010
Filing Date:
October 20, 2003
Export Citation:
Assignee:
Leonardo Steven Buchanan
International Classes:
A61C5/02; A61C3/02; A61C5/42
Domestic Patent References:
| JP2012088B2 | ||||
| JP58500688A | ||||
| JP58501854A |
Foreign References:
| US5855479 | ||||
| US5947730 | ||||
| US4850867 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita