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Use of Awl-Tipped Pedicle Screws Reduces Surgical Time
Steve Balsis1, Jack Mancuso1,2, Gemma S Krautzel1,2
1Department of Psychology, University of Massachusetts Lowell, Lowell, MA, USA.
International Journal of Spine Surgery
|January 9, 2026
Summary
Awl-tipped pedicle screws significantly reduce surgical time in spine fusion procedures compared to conventional screws. While blood loss was similar, the time savings offer potential patient benefits.
Area of Science:
- Orthopedic Surgery
- Spine Surgery Instrumentation
Background:
- Awl-tipped screws represent an advancement in spine surgery instrumentation.
- This innovation aims to streamline procedures, potentially decreasing surgical time and enhancing efficiency.
Purpose of the Study:
- To evaluate if awl-tipped pedicle screws reduce surgical time and blood loss compared to conventional pedicle screws.
Main Methods:
- Retrospective review of 410 patients undergoing open posterior lumbar spinal fusion.
- Comparison of 205 cases using awl-tipped screws against 205 matched controls using conventional, tapping-required pedicle screws.
- Groups were matched for fused spine levels and patient characteristics.
Main Results:
- Surgeries with awl-tipped screws were significantly shorter (94.35 min) than those with conventional screws (111.11 min; P < 0.001).
- No significant difference in blood loss was observed between the groups, although a trend was noted.
Conclusions:
- Awl-tipped pedicle screws offer reduced surgical time compared to traditional ones.
- The time savings associated with awl-tipped screws may provide clinical benefits to patients undergoing spinal fusion.

