Hansson Pinloc System from Swemac

The Hansson Pinloc System is an evolution of the Hansson Pin System. It has been developed to overcome the problem of fracture re-displacement while maintaining the core features and benefits of the Hansson Pin System.

Traditional internal fixation implants like cannulated screws or sliding hip screws will often fail to hold a fracture. Re-displacement of the fracture occurrs in bout 5 % of the undisplaced fractures and up to 30 % of displaced fractures. This is because traditional implants cannot provide enough mechanical stability to allow the fracture to remain and heal in its reduced position.

By locking three Hansson Pins in a plate, Hansson Pinloc acts as a single unit which allows dynamization (compression along the axis of the femoral neck during healing) while providing and unparallelled level of stability. The Hansson Pinloc implant can recreate the stability of an unbroken hip.

Until this date, over 10.000 patients have been treated with the Hansson Pinloc System. Results clearly show that the Hansson Pinloc System can reduce the occurrence of fracture healing complications and increase the quality of life for the patient.

pinloc pin


  • Femoral neck fractures in adults
  • Slipped capital femoral epiphyses in children

  • Three point contact with cortical bone provides maximum stability. The inferior Pin contacts inferior cortex of the femoral neck.
  • The posterior Pin contacts the posterior cortex of the femoral neck. The anterior Pin contacts the anterior cortex of the femoral neck.
  • The Hansson Pinloc has the ability to compress the fracture, maintain length and prevent posterior tilt.
  • Parallel placement of the Pins ensures continous compression at the fracture site.
  • Conclusion


    The finite element analysis show that the two (2) isolated Hansson Pins had significantly lower stiffness and torsional rigidity than three (3) Hansson Pins locked in a Plate.

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