Intervertebral Disk Replacement - Keivan Anbarani's Electronic ...

Recommendations

Info

Table of Contents Introduction..............................................................................................................................................................1 Spinal Fusion..........................................................................................................................................................3 History.......................................................................................................................................................................3 Mechanics of Spine................................................................................................................................................4 Background.............................................................................................................................................................4 Natural Loading ....................................................................................................................................................6 Case Study I: Finite Element Analysis .........................................................................................................7 Case Study II: Human Cadaver Analysis.....................................................................................................9 Materials .....................................................................................................................................................................9 Metal-‐on-‐Metal ...................................................................................................................................................10 Metal-‐on-‐Polymer .............................................................................................................................................11 Ceramic-‐on-‐Polymer........................................................................................................................................12 Ceramic-‐on-‐Ceramic ........................................................................................................................................13 Clinical Total Disc Implants ..........................................................................................................................14 Complications and Success Rates...............................................................................................................15 Future Directions................................................................................................................................................17 ICORD (International Collaboration on Repair and Discoveries) ................................................17 Conclusion...............................................................................................................................................................18 References...............................................................................................................................................................20 ii
Lists of Figures and Tables Figure 1. Examples of Disc Problems ...............................................................................................................2 Figure 2. Causes of SCI............................................................................................................................................3 Figure 3. Intervertebral Disc................................................................................................................................5 Figure 4. Intervertebral Disc under Compression......................................................................................5 Figure 5. Human Spine ...........................................................................................................................................6 Figure 6. Spinal Cord Movement........................................................................................................................6 Figure 7. Natural Loading of the Spine............................................................................................................7 Figure 8. Constructed 3D model of disc with applied force of 400N..................................................8 Figure 9. Stress Analysis with intact Disc and artificial Disc .................................................................8 Figure 10. Displacement analysis of intact Disc and artificial Disc.....................................................8 Figure 11. Comparison of Displacement angle for intact Discs and implanted Discs.................9 Figure 12. a) Cervicore and b) Prestige Disc..............................................................................................11 Figure 13. a) PCM and b) Bryan and c) Mobi-‐C Disc...............................................................................12 Table 1. Spinal Cord Injuries for each Province in 2000-‐2001.............................................................2 Table 2. International Statistics for SCI...........................................................................................................2 Table 3. Material Properties.................................................................................................................................7 Table 4. Goals for Total Disc Replacement..................................................................................................10 Table 5. Artificial Discs Statistics Exhibit ....................................................................................................13 Table 6. Comparison of Disc Design Types.................................................................................................15 iii
Page 1: 2010 Intervertebral Disk Replacemen
Page 6 and 7: Figure 1. Examples of Disc Problems
Page 8 and 9: which both studies lacked long-
Page 10 and 11: Figure 5. Human Spine Figure 6. Spi
Page 12 and 13: Figure 8. Constructed 3D model of d
Page 14 and 15: een used as a foundation for the ma
Page 16 and 17: The Prodisc-‐C prosthesis uses
Page 18 and 19: LP metal, and ii) ceramic-‐on-
Page 20 and 21: • Nerve damage or paralysis • P
Page 22 and 23: quality of life for those with SCI.
Page 24 and 25: References 1. Bartels, R. H.M.A., R

Intervertebral Disk Replacement - Keivan Anbarani's Electronic ...

Create successful ePaper yourself

Delete template?

Save as template?