Related Experiment Video
Updated: Jun 20, 2026
08:43
Potentiodynamic Corrosion Testing
Published on: September 4, 2016
17.6K
Custom-made Trabecular Metal Acetabular Component in Total Hip Revision
Roberto Dantas Queiroz1, David Jeronimo Peres Fingerhut1,2, Luiz Henrique Saito1,3
1Serviço de Ortopedia e Traumatologia, Hospital do Servidor Público Estadual de São Paulo, São Paulo, SP, Brasil.
Revista Brasileira De Ortopedia
|July 19, 2024
Summary
This case report details a total hip arthroplasty revision surgery (THARS) using a custom implant to fix a severe acetabular defect. It highlights the surgical approach for complex hip reconstruction challenges.
Area of Science:
- Orthopedic Surgery
- Biomaterials Engineering
- Medical Device Design
Background:
- Severe acetabular defects pose significant challenges in total hip arthroplasty revision.
- Existing literature lacks detailed descriptions of surgical planning and procedures for custom prostheses.
- Technical complexity and high costs associated with custom implants limit their widespread reporting.
Purpose of the Study:
- To demonstrate a total hip arthroplasty revision surgery (THARS) utilizing a custom-made trabecular metal acetabular component.
- To provide a detailed account of the surgical planning and procedural steps for a complex acetabular defect reconstruction.
- To contribute to the literature by documenting the use of customized implants in challenging revision hip surgeries.
Main Methods:
- Case report of a patient with a severe acetabular defect requiring revision surgery.
- Utilized a custom-designed trabecular metal acetabular component for anatomical reconstruction.
- Detailed surgical technique including pre-operative planning and intra-operative execution.
Main Results:
- Successful implantation of the custom trabecular metal acetabular component.
- Correction of the severe acetabular defect was achieved.
- The procedure addressed the complex reconstructive needs of the patient.
Conclusions:
- Custom-made trabecular metal acetabular components are a viable option for correcting severe acetabular defects in THARS.
- Detailed reporting of such complex cases is crucial for advancing surgical techniques and patient outcomes.
- Further research into cost-effective planning and manufacturing of custom implants is warranted.
Related Concept Videos
02:37Metallic Solids
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
02:50Spindle Assembly
Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
In most cells, centrosomes are the primary microtubule nucleation centers. In the centrosome-mediated pathway, the G2-prophase transition triggers centrosome maturation and increased microtubule nucleation. Progressive nucleation results in a microtubule array...
In most cells, centrosomes are the primary microtubule nucleation centers. In the centrosome-mediated pathway, the G2-prophase transition triggers centrosome maturation and increased microtubule nucleation. Progressive nucleation results in a microtubule array...
00:55Composite Bodies
A composite body is a body made up of multiple parts, connected to form a larger, unified object. Each part has its own weight and center of gravity, which must be considered to determine the center of gravity of the composite body. In cases where the density or specific weight is constant, the center of gravity coincides with the centroid.
Composite bodies have widespread applications in mechanical engineering, from automobiles to aircraft to rockets. For example, an automobile wheel comprises...
Composite bodies have widespread applications in mechanical engineering, from automobiles to aircraft to rockets. For example, an automobile wheel comprises...
01:24Metal-Semiconductor Junctions
The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
01:11Bending of Members Made of Several Materials
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
01:29Imperfections in Crystal Structure: Non-Stoichiometric Defects
Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...