Synthes 214.528 4.5MM Cannulated Scew Partially Threaded 28mm

Synthes 4.5mm Cannulated Screw | Partially Threaded | 28mm | 214.528

The Synthes 214.528 is a high-precision internal fixation implant engineered for stable anchorage and compression in metaphyseal and epiphyseal bone. As a 4.5mm diameter screw with a 28mm overall length, it is a foundational component of the Synthes 4.5mm Cannulated Screw System.

The "Cannulated" design allows the screw to be accurately guided over a 1.6mm guide wire, ensuring precise trajectory and placement in challenging anatomical corridors. The partially threaded configuration is specifically designed to create a "lag effect," providing active interfragmentary compression as the distal threads engage the far fragment while the smooth proximal shaft glides through the near fragment.

Key Specifications

• Manufacturer: Synthes (DePuy Synthes)

• Model / REF: 214.528

• Material: 316L Surgical Stainless Steel

• Diameter: 4.5 mm

• Overall Length: 28 mm

• Thread Type: Partially Threaded

• Thread Diameter: 4.5 mm

• Core Diameter: 2.7 mm

• Shaft Diameter: 3.1 mm

• Head Diameter: 6.5 mm

• Drive Type: 3.5 mm Large Hexagonal Socket

• Features: Self-Drilling, Self-Tapping, Cannulated

• Quantity: Individually Packaged

Technical & Clinical Advantages

• Interfragmentary Compression: The partially threaded design is the gold standard for achieving compression across a fracture line. Because the threads do not cross the fracture gap, tightening the screw head against the near cortex draws the far fragment toward it.

• Guided Accuracy: The internal cannulation allows for percutaneous or open placement over a guide wire. This allows the surgeon to verify the wire position via fluoroscopy before the screw is seated, significantly reducing operative time and technical error.

• Self-Drilling & Self-Tapping: The distal tip is engineered to cut and tap its own path. This eliminates the need for separate drilling and tapping steps in most cancellous bone applications, preserving bone stock and reducing surgical trauma.

• High-Torque Hex Drive: The 3.5mm hexagonal socket provides a robust interface for high-torque insertion into dense bone without the risk of head stripping or "cam-out."

• Low-Profile Head: The 6.5mm head is designed to minimize soft-tissue irritation, making it suitable for areas with limited coverage, such as the malleoli or the base of the fifth metatarsal.

Applications

• Ankle Surgery: Fixation of medial malleolar fractures and stabilization of syndesmotic injuries.

• Foot Surgery: Management of Jones fractures (base of the 5th metatarsal) and various tarsal/metatarsal osteotomies.

• Hand & Wrist: Stabilization of larger carpal fractures or distal radius fragments where a 3.5mm screw lacks sufficient strength.

• Pediatric Orthopedics: Precise fixation of epiphyseal fractures (Salter-Harris types) requiring guided placement to avoid growth plate interference.

Condition & Quality Assurance

• Status: NEW — Factory Sealed.

• Integrity: This implant is securely packaged within its original manufacturer's sterile or non-sterile packaging (depending on lot). It maintains full material integrity and lot traceability.

• Sterilization Note: If provided in non-sterile packaging, this device must be cleaned and sterilized (standard steam autoclave) according to hospital protocols and Synthes’ Instructions for Use (IFU) prior to clinical implantation in 2026.

• Professional Standards: With over 25 years of experience in orthopedic logistics, Primis Medical ensures all Synthes implants are stored and handled to maintain their mechanical and chemical precision.

Shipping & Handling

• Secure Logistics: Shipped in protective packaging to ensure the 28mm shaft remains perfectly aligned and the cannulation remains unobstructed.

• Fast Dispatch: Ships within 1 business day.