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Gap Nail

The Endo-Exo Medullary System
The unique locking nail for small medullary canal patients


The Gap endo-exo medullary systemTM consists of an intramedullary nail linked to a lateral buttress plate, via lag and mechanical screws, creating a combined Endomedullary / Exomedullary osteosythesis device. This novel approach of osteosynthesis creates a load sharing system between the nail and plate, thus limiting the risk of stress fractures and improving the implant stability in weak bones.


The Gap endo-exo medullary system is used for the treatment of fractures or correction of deformities in the femur, tibia and humerus of pediatric patients, who have reached skeletal maturity. Indications include:
Correction of deformities (OI, skeletal dysplasia, coxa vara, coxa valga)
Diaphyseal fracture of the femur, tibia and humerus
Subtrochanteric, intertrochanteric and combination fractures of the femoral neck.
Nonunions and malunions


Available sizes range from Ø4.8 to 8.0 mm
Endo/Exo hyperstatic system designed to improve load distribution
Plate offers support to greater trochanter
Coxa vara plate (guidance of k-wires and support of osteotomy)
Instrumentation allows for guided distal fixation and precise measurement of anteversion/derotation correction
Precise and simple surgical technique