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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Related Experiment Video

Updated: May 2, 2026

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

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

Published on: May 8, 2014

Early Experience With the Quantum Total Ankle Prosthesis.

Lauren M Christie¹, Terrence M Philbin¹

¹Orthopedic Foot & Ankle Center, Worthington, Ohio.

Foot & Ankle Specialist

|January 8, 2025

Summary

This summary is machine-generated.

The Quantum total ankle prosthesis shows promising early results, with excellent survivorship and 100% correction of coronal deformity in patients receiving this new implant.

Keywords:

arthritis implant quantum survivorship total ankle arthroplasty total ankle replacement

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Area of Science:

Orthopedic surgery
Biomedical engineering
Implant technology

Background:

The Quantum total ankle prosthesis is a novel, FDA-approved, fourth-generation, 2-component, fixed-bearing implant.
This study presents the initial experience and early outcomes of this first-generation Quantum implant design.

Purpose of the Study:

To evaluate early outcome data of the Quantum total ankle prosthesis.
To present initial clinical and radiographic findings with a minimum 1-year follow-up.

Main Methods:

Retrospective, single-centered chart and radiographic review.
Inclusion of patients who underwent total ankle arthroplasty with the Quantum implant between December 2021 and August 2023.
Evaluation of implant survivorship, radiographic outcomes, clinical outcomes, and complications.

Main Results:

100% survivorship for the tibial component and 91.67% for the talar component.
Complete correction (100%) of pre-operative coronal plane deformity (greater than 10 degrees) into neutral alignment post-operatively.
Promising short-term implant survivorship with favorable clinical and radiographic results.

Conclusions:

The Quantum total ankle prosthesis demonstrates promising short-term outcomes.
The implant offers good survivorship and effective correction of coronal deformity.
This study provides the first report on the early performance of the Quantum total ankle prosthesis.