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Synthes & Stryker Orthopedic Instrumentation Sell-Down | 50% Off Retail Preview (#1049544)

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Lot # 556

Synthes 312.05 Protection Sleeve 8.5mm Orthopedic 9" View Watchlist >

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Lot # 556
System ID # 1159461

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Description
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, periosteum, vessels, tendons) are less likely to be damaged by rotating or sliding instruments. It also helps maintain the correct trajectory for insertion, reducing drift or misalignment, which is especially important in headless screws that must be aligned precisely for proper compression and fixation. The working length gives enough capacity for the surgeon to seat the screw (or pass instruments) deep, while still affording firm handling near the outside. In clinical practice, surgeons would use this protection sleeve in fracture fixation or when using headless compression screws in difficult anatomical areas. By combining with drill sleeves, guide wires, or alignment tools, the 312.05 helps reduce complications from soft‑tissue trauma, inadvertent cuts, or over‑penetration. Also, because its dimensions are standardized (8.5 mm internal, 12 mm external), it fits within Synthes instrument systems, contributing to reliable repeatable performance in trauma or reconstructive surgeries. This item is slightly used and in excellent condition.