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Wear Prediction on Total Ankle Replacement - Effect of Design Parameters
von: Amir Putra Bin Md Saad, Ardiyansyah Syahrom, Muhamad Noor Harun, Mohammed Rafiq Abdul Kadir
Springer-Verlag, 2015
ISBN: 9783319217239 , 63 Seiten
Format: PDF, OL
Kopierschutz: Wasserzeichen
Preis: 53,49 EUR
Preface
7
Acknowledgments
8
Contents
9
Abstract
11
1 Introduction
12
1.1 Ankle Joint Anatomy
13
1.1.1 Ankle Biomechanics
15
1.1.2 Loading on the Ankle
16
1.1.3 Kinematics of the Ankle
18
1.2 Ankle Joint Problems that Lead to Surgical Treatment
18
1.3 Ankle Joint Treatment
20
1.3.1 Ankle Fusion
21
1.3.2 Total Ankle Replacement (TAR)
21
1.4 Total Ankle Replacement (TAR)
23
1.4.1 Agility TAR (DePuy, Warsaw, iN, USA)
23
1.4.2 Scandinavian Total Ankle Replacement (STAR) (Waldmar Link, Hamburg, Germany)
24
1.4.3 Buechel-Pappas (BP) TAR
25
1.4.4 Bologna, Oxford Total Ankle Replacement (BOX)
26
1.5 Complications
26
References
27
2 Contact Pressure of Total Ankle Replacement (TAR)
29
Abstract
29
2.1 Geometric Model
29
2.2 Finite Element Analysis
30
2.2.1 Development of Finite Element Analysis of Gait Cycle
31
2.2.1.1 Create Model
32
2.2.1.2 Define Materials
32
2.2.1.3 Configure Analysis
33
2.2.1.4 Apply Loads and Boundary Conditions
33
2.2.1.5 Mesh the Model
33
2.2.1.6 Run Analysis
34
2.3 Contact Analysis
35
2.3.1 Contact Pressure of Total Ankle Replacement (TAR)
36
2.4 Sliding Distance
37
2.5 Validity of Contact Analysis
38
2.5.1 Mesh Sensitivity Test
39
2.5.2 Contact Analysis
40
References
41
3 Wear of Total Ankle Replacement (TAR)
43
Abstract
43
3.1 Fundamental of Wear Modelling
43
3.1.1 Wear of Total Ankle Replacement (TAR)
44
3.2 Wear Model of Total Ankle Replacement (TAR)
45
3.3 Update Contact Geometry of Total Ankle Replacement (TAR)
46
3.4 Wear Sensitivity Study
48
References
50
4 Effect of Design Parameter Towards Wear Generation
52
Abstract
52
4.1 Parametric Study
52
4.1.1 Thickness of Meniscal Bearing
52
4.1.2 Radial Contact of Meniscal Bearing
56
4.1.2.1 Conformable Radius of Curvature of Meniscal Bearing
56
4.1.2.2 Unconformable Radius of Curvature of Meniscal Bearing
59
References
61
5 Conclusion
63
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