There is discomfort after surgery, which is managed with pain medication. Most patients find the pain manageable within the first few days. The frame itself does not cause ongoing pain once the initial healing begins.

Can I walk with the frame?

In most cases, yes — walking with the frame is encouraged as part of recovery. The extent of weight-bearing depends on the specific procedure and will be guided by Dr. Hoda.

How do I care for the pins?

Pin site care is taught before discharge. It involves cleaning around each pin with saline or as instructed, and monitoring for signs of infection such as redness, swelling or discharge.

How long until the frame is removed?

This depends on the condition being treated, the amount of correction needed, and how well the bone heals. It is usually several weeks to months. Dr. Hoda will give a more specific estimate after reviewing your X-rays.

How do you know how much lengthening my child will need?

For growing children, we use established prediction methods within computer-assisted planning to estimate the expected difference at the end of growth, and review it at each visit.

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Limb Lengthening

Written and medically reviewed by Dr. Shamsul Hoda, MBBS, D.Ortho., MS Ortho, M.Ch. Orth., Dip. Ilizarov (Kurgan) – Ilizarov & Limb Reconstruction Specialist

Last reviewed: November 2026 · About the author

Gradual, controlled lengthening of a short limb using the Ilizarov circular fixator or monolateral rail fixator.

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What is it?

Limb lengthening is a surgical procedure that gradually increases the length of a bone. A small cut is made in the bone (osteotomy), and an external fixator frame is applied. The frame is adjusted daily — usually 1 mm per day in small increments — which slowly pulls the bone apart. New bone forms in the gap as the bone is distracted. Once the desired length is achieved, the frame is kept in place while the new bone hardens.

Who needs it?

Congenital short limb (one leg shorter than the other from birth)
Limb length discrepancy after fracture or infection
Short stature due to bone conditions
Post-polio limb shortening
Growth arrest following childhood injury

How is it treated?

Your treatment is planned digitally on full-length X-rays using computer-assisted deformity analysis, and we explain the plan to you on screen before surgery. Surgery is performed under anaesthesia. The bone is cut and the frame is applied. After a short rest period, the patient begins adjusting the frame at home as instructed — typically four times a day. Regular clinic visits monitor the new bone formation on X-ray. Once the target length is reached, the frame remains until the bone is solid enough to bear weight without support.

How We Plan Your Treatment

Precise correction starts with precise planning. We analyse deformity and limb length on calibrated full-length X-rays and plan each correction digitally before surgery, using Bone Ninja — a deformity-planning application developed at the Rubin Institute for Advanced Orthopedics, Baltimore. This helps us:

measure the deformity and the exact point (CORA) and amount of correction
predict leg length difference at skeletal maturity in growing children
plan the frame or implant and the correction schedule
show patients and families their planned correction before they decide

Digital tools also help us document and review every case in a structured way. All clinical decisions are made by the surgeon.

Digital deformity planning on screenSquare image – 1080 × 1080 px

What to expect

Hospital stay is usually a few days. The frame is worn for several weeks to months depending on the amount of lengthening required. Physiotherapy is an important part of recovery to keep the joints moving and the muscles strong. Follow-up continues until the frame is removed and the bone is fully healed.

X-ray / illustration — upload your own image hereSquare image – 1080 × 1080 px

Risks and Limitations

Like any surgery, this treatment carries risks. These can include pin-site infection, joint stiffness, delayed bone healing, and the need for further procedures. Results depend on age, general health, the condition being treated and following the treatment plan. Dr. Hoda will explain the risks that apply to you before you decide.

Frequently Asked Questions

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