DynaNail® TTC Fusion System– Surgical Technique Guide DynaNail® TTC Fusion System– Surgical Technique Gu | Page 31

15 OPTIONAL Proximal Tibial Screw Placement (for DynaNail XL Implants Only) Instruments Used: 1. Cortical Screw 2. 4 mm Free-Hand Drill 3. 8 mm Guide Sleeve (9) 4. Free-Hand Screw Depth Gauge 5. 3.5 mm Hex Driver Shaft (26) 6. T-Handle Ratchet Driver (31) For 260 mm and 300 mm length Implants, a screw may also be free-handed into the most proximal tibial screw hole. This screw can also be a substitute for the tibial screw described in Step 15. Drill using the 4 mm Freehand Drill in the most proximal tibial screw hole using perfect circles technique under fluoroscopy. Determine the appropriate screw length by inserting the Free-Hand Screw Depth Gauge. Insert the Cortical Screw as described in Step 12. Use fluoroscopy to determine when desired depth is reached and the screw is fully seated. Free-Hand Screw Depth Gauge 31