Clin Orthop Surg.  2015 Jun;7(2):261-263. 10.4055/cios.2015.7.2.261.

Breakage of a Lag Screw of Cephalomedullary Nail: A Technique of Removal

  • 1Department of Orthopaedic Surgery and Rehabilitation, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.


A broken lag screw of the cephalomedullary nail is a rare condition. Removal of the retained lag screw from the femoral head is also very challenging. This article describes a surgical technique and the modified instrument that was available in the operating room for removing the broken implant by closed technique.


Femur fractures; Implant breakage; Lag screw; Gamma nail; Remove

MeSH Terms

*Bone Screws
Device Removal/instrumentation/*methods
Equipment Design
*Femur Head
Fracture Fixation, Intramedullary/*instrumentation
Hip Fractures/*surgery
Middle Aged
*Prosthesis Failure


  • Fig. 1 Radiograph showed nonunion of subtrochanteric fracture of right femur and breakage of a lag screw of long cephalomedullary.

  • Fig. 2 Postoperative radiograph showed union of subtrochanteric fracture of right femur without complication.

  • Fig. 3 The customized removal tool was created by modifying a 12 × 400 mm Arbeitsgemeinschaft für Osteosynthesefragen femoral interlocking nail.

Cited by  2 articles

Breakage of the Tail Portion of the Lag Screw during Removal of Proximal Femoral Zimmer Natural Nail: Report of Two Cases with Technical Notes
Asep Santoso, Ik-Sun Choi, Kyung-Soon Park, Taek-Rim Yoon
Hip Pelvis. 2017;29(3):199-203.    doi: 10.5371/hp.2017.29.3.199.

Failure of a Rotation Control Gamma 3 Lag Screw Used to Treat a Trochanteric Fracture
Kyungho Choi, Yongtae Kim, Shicheng Zhou, Jihyo Hwang
Hip Pelvis. 2018;30(2):129-133.    doi: 10.5371/hp.2018.30.2.129.


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