Ilizarov apparatus

Last revised by Mostafa Elfeky on 5 Dec 2022

The Ilizarov apparatus (aka Ilizarov frame) is an external metallic orthopedic fixation device used to length or reshape limbs from congenital deformity or following injury. It acts through the slow bone extension and soft tissues including nerves, blood vessels and muscles. 


  • bone lengthening

    • used when the lower extremities length discrepancy is more than 5 cm

    • used for limb lengtheing in short stature, especially achondroplasia

  • fractures

    • it was first used to treat fracture non-union in the 1950s

    • currently, it is widely used to treat open and compound fractures

    • used to treat bone deformities, like angular deformity

    • it enables early weight bearing due to circular construction and tentioned wires

History and etymology

The procedure was pioneered by the Soviet orthopedic surgeon Gavrill Abramovich Ilizarov (1921-1992).

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.