US 12,364,578 B2Granted

Lockable orthodontic appliance

AssigneeGuangzhou Oo Medical Scientific Limited

InventorsQinhui Zhang, Zien Xu, Li Ji

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Abstract

A lockable orthodontic appliance, comprising a main body. An arch wire groove is formed on the main body, the main body is provided with a movable accessory, the accessory comprises a traction portion and a space occupying portion, the accessory can move between an available position and an unavailable position, and during the movement, the traction portion can drive the space occupying portion to enter the arch wire groove; or a traction member and a space occupying member are provided on the main body, the traction member can move, and during the movement, the traction member drives the space occupying member to enter the arch wire groove. The orthodontic appliance may have a plurality of states, the first is a locked state, the second is a traction state, the third is a traction locked state, and the fourth is a non-locked and non-traction state.

Claims11

Dependent claims

An orthodontic appliance comprising:

a main body on which an arch wire groove is formed;
a movable accessory, wherein the main body is provided with the movable accessory, the movable accessory comprises:
a traction portion, wherein the traction portion is able to move between an available position and an unavailable position, the traction portion is available for traction when the traction portion is in the available position, the traction portion is unavailable for traction when the traction portion is in the unavailable position;
and
a space occupying portion connected to the traction portion, wherein the traction portion is able to drive the space occupying portion to enter the arch wire groove when the traction portion moves from the unavailable position to the available position,
wherein the traction portion and the space occupying portion are parts of the movable accessory and are integrated,
wherein the space occupying portion is an elastic portion, and the space occupying portion is configured to press against different sizes of arch wires, the space occupying portion and the elastic portion are a single element, and the elastic portion is configured to directly contact the arch wire.

4 more elements

An orthodontic appliance comprising:

a main body on which an arch wire groove is formed;
a traction member, wherein the main body is provided with the traction member, and the traction member is able to move between an available position and an unavailable position, wherein the traction member is available for traction when the traction member is in the available position, the traction member is unavailable for traction when the traction member is in the unavailable position;
and
a space occupying member, wherein the traction member drives the space occupying member to enter the arch wire groove when the traction member moves from the unavailable position to the available position,
wherein the main body, the traction member and the space occupying member are not integrated,
wherein the orthodontic appliance further comprises a transmission member, the traction member is in contact with the transmission member, and the traction member drives the space occupying member to move through the transmission member,
wherein when the traction member is in the available position, the traction member drives the transmission member, when the traction member is in the unavailable position, the traction member does not drive the transmission member.

4 more elements

Dependencies are inferred from the claim text.