US 12,350,123 B2
Self-ligating orthodontic bracket
Markus Hirsch, Wollerau (CH)
Assigned to Hirsch Dynamics Holding AG, Wollerau (CH)
Filed by Hirsch Dynamics Holding AG, Wollerau (CH)
Filed on Dec. 23, 2020, as Appl. No. 17/131,849.
Prior Publication US 2022/0202537 A1, Jun. 30, 2022
Int. Cl. A61C 7/28 (2006.01)
CPC A61C 7/287 (2013.01) 20 Claims
OG exemplary drawing
 
1. A self-ligating orthodontic bracket, comprising:
a bracket body having a mesial-distal arch wire slot extending in a labial direction of the bracket body, a base with a bonding surface and a channel oriented essentially perpendicular to the arch wire slot,
at least one covering door configured for occluding the arch wire slot in a closed position and opening the arch wire slot in an open position, wherein the at least one covering door is slidably coupled to the bracket body, the at least one covering door being essentially linearly moveable between the closed position and the open position of the at least one covering door and
at least one securing device, the at least one securing device having a longitudinal axis and wherein said longitudinal axis is orientated essentially parallel to the arch wire slot,
wherein the at least one securing device is completely arranged within the orthodontic bracket, and is completely enclosed by the bracket body and the at least one covering door in the closed position, the open position, and in all intermediate positions;
wherein the bracket body comprises at least two engagement positions for the at least one securing device on an outer surface of the bracket body, wherein the at least two engagement positions are separated from one another in an occlusal-gingival direction, wherein one engagement position corresponds to the open position and the other engagement position corresponds to the closed position;
wherein the at least one covering door comprises at least one notch, the at least one notch extending in a lingual direction, wherein the at least one securing device is arranged at least partially inside the at least one notch, wherein the at least one notch secures the at least one securing device in a labial direction in the closed position and the open position, wherein the at least one covering door occludes the at least one securing device exhaustively in the labial direction.