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:
Feb. 06, 2024
Filed:
Feb. 25, 2021
Mani, Inc., Tochigi, JP;
MANI, Inc., Tochigi, JP;
Abstract
Provided is a dental file exhibiting high performance and having high flexibility and excellent root canal followability. A dental file () of the present invention includes a working portion () in a spiral shape. An outer edge of the sectional shape of the working portion () at any position includes a single arc () and three or more lines (). One end of the arc () forms a first cutting blade. The three or more lines () are positioned inside a virtual circle () partially including the arc (). The length of the arc () may be equal to or greater than 1/12 and equal to or less than ⅓ of the circumferential length of the virtual circle (), or a second cutting blade () may be further provided inside the virtual circle ().