Removal of a well fixed cemented acetabular component using biomechanical principles
A Gordon Burgess1, Colin R Howie1
1Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, United Kingdom.
Journal of Orthopaedics
|April 27, 2017
Summary
Revision hip arthroplasty presents challenges in removing well-fixed cemented acetabular components. This study details a reproducible technique to safely remove these components, minimizing bone damage.
Area of Science:
- Orthopaedic Surgery
- Biomaterials Science
Background:
- Revision hip arthroplasty is increasingly common, posing challenges for surgeons removing well-fixed components.
- Cemented acetabular components require specific removal considerations due to the properties of polymethylmethacrylate (PMMA) bone cement and polyethylene.
Purpose of the Study:
- To present a reliable and safe step-by-step technique for removing well-fixed cemented acetabular components during revision hip arthroplasty.
- To illustrate the technique with intra-operative photography and detailed procedural descriptions.
Main Methods:
- A detailed, reproducible surgical technique is described for the removal of well-fixed cemented acetabular components.
- Intra-operative photography is used to visually guide the described steps.
Main Results:
- The presented technique offers a method for reproducible removal of well-fixed cemented acetabular components.
- The technique aims to reduce risks to the underlying bone during revision hip surgery.
Conclusions:
- Understanding the biomechanical properties of PMMA bone cement and polyethylene is crucial for safe component removal.
- This technique can aid orthopaedic surgeons in safely managing well-fixed cemented acetabular components in revision hip surgery.


