Initial results of the s3-humerus plate

Area of Science:

• Orthopedic surgery
• Traumatology
• Biomedical engineering

Background:

• Proximal humerus fractures are common, especially in older adults, with surgical intervention often necessary for unstable or displaced fractures.
• The S3 Proximal Humerus Plate is a specialized implant designed for the complex anatomy of the proximal humerus, aiming to prevent impingement.
• Current treatment options vary, with open reduction and internal fixation being a preferred surgical approach.

Purpose of the Study:

• To evaluate the efficacy and safety of the S3 Proximal Humerus Plate for treating acute proximal humerus fractures.
• To assess functional outcomes using the Constant Score in patients treated with this device.

Main Methods:

• A prospective study involving 5 patients with acute proximal humerus fractures treated with the S3 Proximal Humerus Plate.
• Inclusion criteria included primary operative stabilization within 7 days and a minimum 3-month follow-up.
• Fracture classification was based on the Neer system, and outcomes were measured using the Constant Score.

Main Results:

• The mean age of the patients was 59.0 years.
• Fractures were classified as Neer 2, 3, and 4.
• A mean Constant Score of 72.3 points was achieved, with no observed complications such as avascular necrosis, loss of reduction, infection, or hardware failure.

Conclusions:

• The S3 Proximal Humerus Plate demonstrates a safe and effective method for surgically managing acute proximal humerus fractures.
• The study indicates good functional recovery and a low complication rate when using this implant.