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Patent Searching and Data


Title:
ENDODONTIC FILE FOR DENTAL ENDODONTIC TREATMENT
Document Type and Number:
WIPO Patent Application WO/2018/169362
Kind Code:
A3
Abstract:
The present invention provides an endodontic file for dental endodontic treatment, the endodontic file comprising: a head part inserted into and detachably coupled to an electric power tool; a tissue removing blade part which is inserted into a root canal of a patient and rotates to remove nerve tissue and the like of a diseased tooth; and a stress dispersing part including helical coil spring ribs having the same inner diameter and center axis between the head part and the tissue removing blade part, whereby the endodontic file can prevent stress concentration caused by rotation resistance generated when the endodontic file rotates in a root canal and minimize breaking of the endodontic file.

Inventors:
KIM, Hyung-Woo (307 dong 302 ho, 60 Hugok-ro, Ilsanseo-gu,Goyang-si, Gyeonggi-do, 10374, KR)
Application Number:
KR2018/003120
Publication Date:
November 08, 2018
Filing Date:
March 16, 2018
Export Citation:
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Assignee:
DENFLEX CO., LTD. (708 ho, 24 Digital-ro 27-gil,Guro-gu, Seoul, 08381, KR)
International Classes:
A61C5/42; A61C5/46; A61C5/48
Foreign References:
KR101344570B12013-12-26
US5366493A1994-11-22
US5488761A1996-02-06
US20120231413A12012-09-13
US20060210947A12006-09-21
Attorney, Agent or Firm:
JEONG, Young-Su (#505, 30 Digital-ro 32-gil,Guro-gu, Seoul, 08390, KR)
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