The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1998
Filed:
Nov. 29, 1995
Ryuzo Kanomi, Himeji, JP;
Katsuyuki Nakagawa, Otawara, JP;
Sankin Kogyo Kabushiki Kaisha, Osaka, JP;
Abstract
An orthodontic appliance includes a configuration which makes it difficult for dental plaque to be deposited thereon and which prevents lateral movement of an arch wire as well as precisely preforming a torque shift without an auxiliary attachment wire. The orthodontic appliance is used in dental treatment includes a bracket having an arch wire passage formed therein to extend substantially horizontally and a lock pin insertion passage for insertion of a lock pin therethrough, the lock pin being substantially vertically oriented between the surface of a tooth and the arch wire passage for pressing the arch wire toward a side further from the tooth surface to thereby position the arch wire. The lock pin insertion passage has a bow-shape jetting toward the tooth surface and the lock pin is bow-shaped such that the following mathematical expression is satisfied: