US Patent 7387512 Orthodontic correction device

Orthodontic correction device includes a locking device for an arch in the form of a bracket in which is provided for a groove aimed at co-operating with the arch. The groove includes a blocking device for the arch in the form of at least one pin extending at least partly above the groove at the level of the opening of the said groove. The opening is shaped so as to allow, during the insertion of the arch into the groove, passing around the pin.