Abstract
Objective: Evaluate the efficacy of a new orthotic-made super-elastic alloy brace to correct hallux valgus (HV) deformity.Methods: Five female patients diagnosed with HV deformity wore the newly developed orthotic daily for six weeks. The orthotic wasdeveloped using a super-elastic alloy brace to correct great toe lateral deviation, first metatarsal medial deviation, and fixation belts.The correction was evaluated by measuring the load at which the big toe begins to move and the distance moved by 15 gf force whenpulled from the side. Results: The orthotic was worn by all patients without causing any sleep disruptions. In the initial state, a strong force was required to move the big toe, but after two weeks, it was significantly improved to be mobile in all patients. Conclusion: The developed HV orthotic has a high wearability without causing pain or discomfort. Long-term use can provide a consistent and continuous correction force to the big toe, resulting in the successful release of the big toe metatarsophalangeal joint contracture within two weeks. Level of Evidence: Level 4.
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