Arthrex AR-1998 Cannulated Hex Screwdriver Shaft 3.5mm Orthopedic 6-3/4"

Arthrex AR-1998 Cannulated Hex Screwdriver Shaft 3.5mm Orthopedic 6-3/4"

• Model: AR-1998
• Diameter: 3.5mm
• Type: Hex
• Cannulated
• Overall Length: 6-3/4 inches

The AR-1998 cannulated hex screwdriver shaft from Arthrex is a reusable precision instrumentation piece designed for orthopedic surgical workflows, especially when dealing with cannulated screws in ligament reconstruction or fixation procedures. Its 3.5 mm hex drive fits a wide variety of screws in Arthrex’s system, allowing a surgeon to insert or remove cannulated screws over a guide wire with controlled accuracy. The cannulated design (hollow center) enables the shaft to slide over a guide pin, which helps maintain proper trajectory and alignment during fixation—a key consideration when working in anatomically constrained spaces or near critical structures.

In practical surgical use, the AR-1998 is typically paired with a screwdriver handle (ratcheting or non-ratcheting) and inserted through a tunnel or portal. The surgeon places the guide pin, advances the appropriate screw, and then connects the AR-1998 to the handle to engage the screw head. Because the shaft is cannulated, the guide pin remains in place, preventing rotation or deviation when engaging the screw head, which fosters consistent placement and optimal fixation. This precision helps reduce risks such as cross‐threading or pull‐out, and supports anatomical constructs in ligament repair or reconstruction settings.

From a workflow and instrumentation standpoint, the AR-1998 contributes to improved efficiency and surgical reproducibility. Having a dedicated shaft dimension and drive interface means the operative team can standardize tools across cases, which simplifies inventory and tray setup, reduces intraoperative errors, and streamlines turnover. As with all reusable surgical instruments, proper cleaning, inspection (for wear, burrs or damage), sterilization and handling according to Arthrex’s instructions for use are required to maintain instrument integrity and patient safety. When used as intended, the AR-1998 supports both the mechanical demands of screw placement and the logistical demands of high-throughput instrumentation management.

These surgical instruments have been previously used and show visible signs of wear consistent with their prior usage. Despite these signs, they remain in a usable condition, suitable for continued medical procedures. AR-1998