
Synthes 312.05 Protection Sleeve 8.5mm Orthopedic 9"
Synthes 312.05 Protection Sleeve 8.5mm Orthopedic 9" • Model: 312.05 • Inner Shaft Diameter: 8.5mm• Outer Shaft Diameter: 12mm• Working Length: 3-15/16 inches• Overall Length: 9 inches (22.8cm) The Synthes 312.05 protection sleeve is a surgical instrument used in orthopedic procedures to protect surrounding soft tissues and facilitate precise alignment when inserting hardware, specifically 6.5 mm headless compression screws. The sleeve has an inner diameter of 8.5 mm, which allows certain instruments or screws to pass through or alongside, while its outer diameter (~12 mm) and robust body offer protection and structural guidance. The long length (9 inches overall, with ~3‑15/16 inches as practical working portion) provides reach into deep surgical sites, enabling access while maintaining stability. In design, the protection sleeve acts somewhat like a conduit or guard: it is placed in the soft tissue track where drilling or screw insertion will occur so that soft tissues (muscle, perio