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Updated: Jun 15, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

[Knee arthroplasty revision].

H-P Scharf¹, A Schulze

¹Orthopädisch-Unfallchirurgisches Zentrum, Universitätmedizin Mannheim, Theodor-Kutzer-Ufer 1-3, Mannheim, Germany. hanns-peter.scharf@medma.uni-heidelberg.de

Der Chirurg; Zeitschrift Fur Alle Gebiete Der Operativen Medizen

|February 27, 2010

Summary

This summary is machine-generated.

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Knee Joint

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...

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Total knee arthroplasty (TKA) revision surgery is increasing due to implant loosening. Preoperative evaluation and specialized implants help restore knee function and alignment.

Area of Science:

Orthopedic Surgery
Biomedical Engineering

Background:

The incidence of primary total knee arthroplasty (TKA) in Germany is rising by approximately 6.8% annually.
This increase is paralleled by a growing frequency of TKA revision surgeries, posing a significant challenge for orthopedic specialists.
Aseptic or septic mechanical loosening of the implant is the primary indication for revision procedures, followed by persistent pain, instability, or limited range of motion.

Purpose of the Study:

To outline the diagnostic and surgical considerations for TKA revision surgery.
To emphasize the importance of understanding implant failure mechanisms for successful revision outcomes.
To highlight the role of modern reconstructive techniques in restoring knee function.

Main Methods:

Preoperative evaluation involving clinical examination, radiographic assessment (X-ray), and laboratory serum tests to determine the cause of implant failure.

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The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

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Published on: August 4, 2022

Surgical planning focused on achieving stable mechanical fixation of the revision implant.

Reconstruction of critical anatomical and biomechanical parameters including limb alignment, joint line, and extension/flexion gaps.

Main Results:

Successful TKA revision requires addressing the underlying mechanism of failure.
Restoration of proper limb alignment, joint line, and balanced joint gaps is crucial for optimal outcomes.
Modular revision implants and bone grafts are essential tools for reconstructing bone defects and achieving stable fixation.

Conclusions:

Comprehensive preoperative assessment is vital for planning effective TKA revision surgery.
Achieving stable fixation, correct alignment, and balanced joint mechanics are key to successful revision outcomes.
Advanced reconstructive techniques, including modular implants and bone grafting, enable surgeons to restore pain-free knee function in revision cases.