Title:
DENTAL RETRACTOR
Document Type and Number:
WIPO Patent Application WO/2018/074683
Kind Code:
A1
Abstract:
In order to acquire an accurate image inside the mouth of a person to be operated on, the present invention provides a dental retractor comprising: a retraction base part comprising an inner retraction portion which has an arcuate profile extending to surround the inner side of the gingiva of at least one of the upper and lower jaws in the mouth and includes a pressure clamping portion formed on the outer circumferential surface thereof so as to receive the tongue, and an outer retraction portion which extends integrally from both ends of the inner retraction portion and has an arcuate profile extending to surround the outer side of the gingiva; and a handle part including a grip portion connected to and extending outward from the retraction base part.
Inventors:
CHOI BYUNG HO (KR)
JUNG SEUNG MI (KR)
KIM JIN CHUL (KR)
KIM JIN BAEK (KR)
JUNG SEUNG MI (KR)
KIM JIN CHUL (KR)
KIM JIN BAEK (KR)
Application Number:
PCT/KR2017/003675
Publication Date:
April 26, 2018
Filing Date:
April 04, 2017
Export Citation:
Assignee:
DIO CORP (KR)
International Classes:
A61C9/00; A61B1/24; A61B1/32; A61B5/00; A61B13/00; A61C1/08; A61C3/00; A61C8/00; A61C19/04
Foreign References:
| US20130230822A1 | 2013-09-05 | |||
| US5199872A | 1993-04-06 | |||
| KR101222435B1 | 2013-01-15 | |||
| KR20090088485A | 2009-08-20 | |||
| KR101601144B1 | 2016-03-08 |
Other References:
See also references of EP 3530231A4
Attorney, Agent or Firm:
OH, Se Kuk (KR)
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