US 12,303,349 B2
Orthodontic appliance
Tingjin Zhong, Guangdong (CN); Zien Xu, Guangdong (CN); Li Ji, Guangdong (CN); and Wei Yu, Guangdong (CN)
Assigned to GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED, Guangdong (CN)
Appl. No. 17/797,437
Filed by GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED, Guangdong (CN)
PCT Filed Mar. 5, 2021, PCT No. PCT/CN2021/079401
§ 371(c)(1), (2) Date Aug. 4, 2022,
PCT Pub. No. WO2021/175324, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 202010151547.7 (CN), filed on Mar. 6, 2020.
Prior Publication US 2023/0067670 A1, Mar. 2, 2023
Int. Cl. A61C 7/14 (2006.01)
CPC A61C 7/141 (2013.01) 12 Claims
OG exemplary drawing
 
1. An orthodontic appliance, comprising:
a main body comprising an archwire groove for accommodating an archwire; and
a movable part cooperating with the main body and movable between an open position and a closed position relative to the main body;
a fixing structure for fixing the movable part at least in the closed position, wherein the fixing structure comprises an elastic member and a movable element which are located in one of the main body and the movable part, the movable element comprises at least one protruding end, which is received in another of the main body and the movable part, the movable element is connected with the main body through a axis or an end of the movable element, the movable element is rotatable about the axis or the end of the movable element, the movable element is movable by squeezing the elastic member and cooperates with the elastic member to fix the movable part at least in the closed position.