A - Human Necessities
61
C
A61C 7/30 (2006.01)
Patent
CA 2458757
A bracket for orthodontic treatments comprises a closing spring, which is fixedly anchored at the bracket and which covers an arch wire slot formed in the bracket for receiving an arch wire in a closing position. In an end section of the closing spring covering the slot, a tongue is formed in the center and folded at a right angle towards a base plate of said bracket. The spring has an end section which is held by projections formed at the bracket structure to secure the spring in its closing position. The spring may be dimensioned and pre-loaded in a manner that an arch wire inserted into the slot is loaded by the closing spring with forces from the top and from the side.
Heiser Wolfgang
Ridout & Maybee Llp
LandOfFree
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