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Wedges

Wedges

A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...

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Updated: Jan 10, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

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Published on: January 24, 2018

Closing Wedge Distal Tibial Osteotomy.

Shannon M Rush¹, Jonathan Nigro²

¹Bay Area Fellowship of Reconstruction, Arthroplasty, Trauma, Sports Medicine, Tri-Valley Orthopedic Specialists Inc., 4626 Willow Road, Pleasanton, CA 94588, USA.

Clinics in Podiatric Medicine and Surgery

|November 20, 2025

Summary

This summary is machine-generated.

Closing wedge distal tibial periarticular osteotomy (DTPO) corrects ankle deformities by realigning the tibiotalar joint. This surgical technique helps restore function and may delay or prevent ankle replacement surgery.

Keywords:

Ankle valgus Deformity correction Tibial osteotomy

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Area of Science:

Orthopedic surgery
Biomechanics
Surgical innovation

Background:

Ankle deformities from trauma, congenital issues, or arthritis impair joint function.
Current treatments may involve invasive procedures like arthrodesis or ankle replacement.
Distal tibial periarticular osteotomy (DTPO) offers a reconstructive alternative.

Purpose of the Study:

To describe the application and benefits of closing wedge distal tibial periarticular osteotomy (DTPO).
To highlight DTPO's role in correcting tibiotalar joint misalignment.
To emphasize DTPO as a joint-preserving procedure.

Main Methods:

DTPO involves a surgical osteotomy to realign the distal tibia.
Accurate pre-operative planning identifies the center of rotation of angulation.
A medial closing wedge approach is utilized for surgical execution.

Main Results:

DTPO effectively realigns the tibiotalar joint.
The procedure restores ankle function and joint mechanics.
It serves as a viable option to delay or avoid arthrodesis or ankle replacement.

Conclusions:

Closing wedge DTPO is a valuable technique for ankle deformity correction.
It offers predictable healing and stability with minimally invasive execution.
DTPO is particularly suitable for younger patients and as a precursor to future arthroplasty.