Title:
HOLDER DEVICE FOR DIGITAL OVERDENTURE
Document Type and Number:
WIPO Patent Application WO/2021/075636
Kind Code:
A1
Abstract:
The present invention provides a holder device for a digital overdenture, in order to fasten a digital overdenture in an oral cavity, wherein the holder device is fixed to a plurality of fixtures implanted in a target arch such that the digital overdenture is detachably fastened thereto and connects a fixing bar, and the holder device comprises: a holder abutment of which the lower end portion is inserted into the inside of the upper end of the fixture, and which has formed therein a hollow insertion portion formed to be open in both directions of an upwardly protruding body portion, and a fastening hole that is penetrated along the longitudinal direction while having a locking step protruding in the radially inward direction on the inner circumference thereof; a fastening screw that is inserted into the fastening hole such that the lower end portion of the fastening screw is fastened to the inside of the upper end of the fixture by being screwed thereto, and that has a head portion that extends in the radially outward direction at the upper end portion thereof so as to be caught on the locking step; and a pressing means for providing a pressing force while being coupled to the upper end of the body portion such that the outer surface of the fixing bar is fixed to the inside of the hollow insertion portion by being pressed thereagainst.
Inventors:
KIM JIN CHEOL (KR)
KIM JIN BAEK (KR)
KIM JIN BAEK (KR)
Application Number:
PCT/KR2019/017340
Publication Date:
April 22, 2021
Filing Date:
December 10, 2019
Export Citation:
Assignee:
DIO CORP (KR)
International Classes:
A61C13/265; A61C8/00; A61C9/00; A61C13/10; A61C13/107; A61C13/34
Foreign References:
| KR101360813B1 | 2014-02-11 | |||
| KR20190030817A | 2019-03-25 | |||
| KR20180019643A | 2018-02-26 | |||
| US5630717A | 1997-05-20 | |||
| KR101612671B1 | 2016-04-14 |
Attorney, Agent or Firm:
OH, Se Kuk (KR)
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