This study is a randomized controlled trial comparing the use of two different surgical techniques--free-hand versus distal targeting jig-based for distal interlock screw--placement and their effects on total operative time and intraoperative radiation exposure.
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Patient Radiation Exposure
Timeframe: During surgery: The first fluoroscopy shot for distal interlocking screw placement to final fluoroscopy shot confirming the final screw's placement
Total Screw Placement Time
Timeframe: During surgery: the first fluoroscopy shot to localize the jig or obtain a perfect circle (start) to the last shot to confirm complete seating of the screw (end time)
Measurement of Screw Placement Angle
Timeframe: Intraoperatively (at end of surgery)
Amount of Cumulative Radiation Exposure (in Grays)
Timeframe: During surgery: The first fluoroscopy shot for distal interlocking screw placement to final fluoroscopy shot confirming the final screw's placement