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Updated: May 22, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
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Prosthesis-free solution for below-knee amputations.

Hitesh Lal1, Deepak Kumar Sharma, Deepak Mittal

  • 1Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Janakpuri, New Delhi 110058, India drhiteshlall@gmail.com

Orthopedics
|May 17, 2012
PubMed
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The Ilizarov fixator enabled successful limb lengthening for a young man with severe shortening, allowing him to walk prosthesis-free. This bone regeneration technique offers improved mobility and proprioception for amputees.

Area of Science:

  • Orthopedic Surgery
  • Regenerative Medicine
  • Biomedical Engineering

Background:

  • Severe lower limb shortening and amputation present significant challenges for mobility and quality of life.
  • Congenital or acquired limb length discrepancies often necessitate complex reconstructive procedures.
  • The goal of limb lengthening is to restore functional length and improve ambulation, potentially avoiding prosthesis use.

Observation:

  • A 17-year-old male patient presented with a 12 cm left lower limb length discrepancy due to childhood burns affecting physes and causing scarring.
  • The patient desired to be free from prosthesis use.
  • Limb lengthening was performed using the Ilizarov fixator.

Findings:

  • The Ilizarov fixator facilitated successful limb lengthening, enabling the patient to ambulate without a prosthesis.

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  • The patient regained the ability to perform daily activities in normal footwear, benefiting from a functional heel pad.
  • Restoration of a sensate limb provided significant proprioceptive feedback during ambulation.

    • Implications:

    • The Ilizarov fixator shows promise as a bone regenerator for correcting limb length discrepancies in amputees.
    • This technique may be applicable to other below-knee amputations, potentially utilizing myoplasty or padding for improved weight-bearing.
    • Successful limb lengthening can lead to improved functional independence and quality of life for patients.