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Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

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[Total knee replacement in a below-knee amputee. Technical reference points and possible solutions].

N Vanin¹, J Zeichen, J Brand

¹Unfallchirurgische Klinik, Medizinische Hochschule Hannover.

Der Unfallchirurg

|February 16, 2008

Summary

This case study details a successful total knee replacement in a 62-year-old man with posttraumatic osteoarthritis and a history of below-knee amputation. The procedure yielded excellent 2-year outcomes, addressing challenges in tibial component implantation.

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Last Updated: Jul 7, 2026

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Published on: May 8, 2014

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Area of Science:

Orthopedic surgery
Biomedical engineering
Prosthetics and orthotics

Background:

Posttraumatic osteoarthritis following tibial head fracture can significantly impair knee function.
Previous below-knee amputation presents unique challenges for total knee replacement due to altered anatomy.
Chronic diabetic foot ulcers necessitate limb salvage or amputation, impacting subsequent orthopedic interventions.

Observation:

A 62-year-old male patient with a history of below-knee amputation due to diabetic foot ulcer experienced posttraumatic osteoarthritis.
The patient underwent total knee replacement surgery.
Two-year postoperative follow-up demonstrated a very good clinical outcome.

Findings:

Total knee replacement is a viable option for patients with posttraumatic osteoarthritis and a history of below-knee amputation.
Excellent clinical outcomes are achievable despite the absence of normal anatomical landmarks for tibial component implantation.
Navigation technology may offer potential benefits in addressing the challenges of component placement in amputee patients.

Implications:

This case highlights the potential for successful total knee arthroplasty in complex cases involving prior amputation.
Further research into the utility of surgical navigation is warranted for optimizing tibial component placement in amputee knee replacements.
Improved surgical techniques and technologies can enhance functional recovery and quality of life for patients with combined osteoarthritis and amputation history.