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Patent Searching and Data


Title:
INVISIBLE ORTHODONTIC DEVICE WITHOUT OCCLUSAL SURFACE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/057392
Kind Code:
A1
Abstract:
Provided is an invisible orthodontic device (1) without an occlusal surface, the device comprising an inner side face (11) and an outer side face (12), wherein one end of each of the inner side face (11) and the outer side face (12) is connected by means of a top face (13), and the other ends thereof are in an open state and comprise a wearing hole (15); lateral sides of the inner side face (11) and the outer side face (12) are connected by means of a connection face (16); the inner side face (11), the outer side face (12), the top face (13) and the connection face (16) enclose an accommodation groove (14) in the middle, and the wearing hole (15) is in communication with the accommodation groove (14); the invisible orthodontic device (1) is divided into a front tooth area and a molar area; and the top face (13) comprises at least one opening, the opening covering the front tooth area and/or the molar area, such that when the invisible orthodontic device (1) is used, upper surfaces of all teeth in the front tooth area and/or in the molar area can be exposed by the opening.

Inventors:
YUE JIANG (CN)
PAN JINGSONG (CN)
WEI HAILIN (CN)
WANG GUAN (CN)
SUN ZHIXUE (CN)
Application Number:
PCT/CN2020/112482
Publication Date:
April 01, 2021
Filing Date:
August 31, 2020
Export Citation:
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Assignee:
CHENGHENG SHANGHAI HEALTH&MEDICAL DEVICES CO LTD (CN)
International Classes:
A61C7/08
Foreign References:
CN110638538A2020-01-03
CN211213599U2020-08-11
CN209187012U2019-08-02
CN209187012U2019-08-02
CN106109029A2016-11-16
CN206324864U2017-07-14
CN109730786A2019-05-10
US20190282334A12019-09-19
Other References:
See also references of EP 3960116A4
Attorney, Agent or Firm:
B&A PATENT LAW FIRM (CN)
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