Definition of Hallux Valgus
Hallux valgus is a common forefoot deformity characterized by a valgus deviation of the great toe and a varus deviation of the first metatarsal, resulting in a prominent medial bump or “bunion.” It often leads to pain, reduced mobility, and discomfort in footwear.
According to radiographic evaluation standards, severity can be defined by:
Hallux Valgus Angle (HVA) > 20°
Intermetatarsal Angle (IMA) > 13°
Often accompanied by sesamoid subluxation and metatarsus primus varus
Product Overview: Opening Wedge Locking Plate
The Opening Wedge Locking Plate is a specialized orthopedic implant designed for proximal metatarsal osteotomy, particularly in the treatment of moderate to severe hallux valgus deformities. Its locking mechanism and anatomical contouring provide excellent mechanical stability, ensuring precise realignment of the first metatarsal and durable fixation of the osteotomy site.
This plate is typically used in combination with a bone graft or spacer to maintain the desired correction angle, and it allows for early postoperative mobilization, enhancing patient recovery.
Advantages, Indications, and Contraindications
Advantages:
Precise Correction of HVA and IMA
Stable Fixation even with compromised lateral cortex
Supports Bone Healing via rigid fixation and compression
Allows Early Mobilization without cast immobilization,Compatible with bone graft insertion for enhanced structural support
Indications:
Moderate to severe hallux valgus (HVA > 20°, IMA > 13°–15°)
Metatarsus primus varus
Failed previous bunion surgery
Patients needing robust fixation with reliable outcomes
Contraindications:
Severe osteoporosis impairing bone quality
Active infection in the surgical site
Peripheral vascular disease limiting healing potential
Mild hallux valgus deformities where distal techniques are sufficient
Clinical Outcomes
Clinical studies and case reports have shown that the Opening Wedge Locking Plate yields:
High union rates (average healing time ~6.5 weeks)
Sustained correction over 12 months post-surgery
Improved functional scores, including pain relief and mobility
Low recurrence and complication rates when combined with distal soft tissue balancing
Radiographic follow-ups demonstrate significant improvements in HVA and IMA, with corrections typically maintained within the desired range (HVA < 15°, IMA < 8°).
Conclusion
The Opening Wedge Locking Plate represents a modern, safe, and effective technique for correcting moderate to severe hallux valgus deformities. With its ability to offer strong fixation, predictable outcomes, and early rehabilitation, it has become an essential foot & ankle locking plate for orthopedic surgeons.
As surgical techniques and implant technology continue to evolve, the use of locking plate systems in proximal metatarsal osteotomy is expected to grow, providing patients with long-term relief and functional restoration.