Mechanical testing of a smart spinal implant locking mechanism based on nickel-titanium alloy

Spine

Volumn 31, Issue 20, 2006, Pages 2296-2303

  Yeung, Kelvin W K ^a   Lu, William W ^a   Luk, Keith D K ^a   Cheung, Kenneth M C ^a  

^a UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

Implant locking mechanism; Implant stability; Nitinol; Spinal implant

Indexed keywords

NICKEL; TITANIUM;

ARTICLE; CORROSION; ELASTICITY; METAL IMPLANTATION; PRIORITY JOURNAL; SPINE FUSION;

ALLOYS; BIOCOMPATIBLE MATERIALS; BIOMECHANICS; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; HUMANS; MATERIALS TESTING; NICKEL; ORTHOPEDIC FIXATION DEVICES; PROSTHESES AND IMPLANTS; SPINAL FUSION; TITANIUM;

EID: 33748914299     PISSN: 03622436     EISSN: 15281159     Source Type: Journal    
DOI: 10.1097/01.brs.0000238967.82799.3d     Document Type: Article

References (24)

1. Senaran H, Atilla P, Kaymaz F, et al. Ultrastructural analysis of metallic debris and tissue reaction around spinal implants in patients with late operative site pain. Spine 2004;29:1618-23.
2. Kasai Y, Iida R, Uchida A. Metal concentrations in the serum and hair of patients with titanium alloy spinal implants. Spine 2003;28:1320-6.
3. Hallab NJ, Cunningham BW, Jacobs JJ. Spinal implant debris-induced osteolysis. Spine 2003;15 28:S125-38.
4. Wang JC, Yu WD, Sandhu HS, et al. Metal debris from titanium spinal implants. Spine 1999;24:899-903.
5. Cheung K, Yeung K, Lu W, et al, inventors; Device for gradual correction of spinal deformities. US Non-provisional Patent 10/648,158. August 25, 2003.
6. Yeung KWK, Cheung KMC, Lu WW, et al. Optimization of thermal treatment parameters to alter austenitic phase transition temperature of NiTi alloy for medical implant. Mater Sci Eng 2004;383:213-8.
7. Magerl F. Stabilization of the lower thoracic and lumbar spine with external skeletal fixation. Clin Orthop 1984;189:125-41.
8. Kotani Y, Cunningham BW, Parker LM, et al. Static and fatigue biomechanical properties of anterior thoracolumbar instrumentation systems. A synthetic testing model. Spine 1999;24:1406-13.
9. Stanford RE, Loefler AH, Stanford P, et al. Multiaxial pedicle screw designs: Static and dynamic mechanical testing. Spine 2004;29:367-75.
10. Balabaud L, Gallard E, Skalli W, et al. Biomechanical evaluation of a bipedicular spinal fixation system: A comparative stiffness test. Spine 2002;27:1875-80.
11. Glazer PA, Colliou O, Lotz JC, et al. Biomechanical analysis of lumbosacral fixation. Spine 1996;21:1211-22.
12. McNaney JM, Imbeni V, Jung Y, et al. An experimental study of the superelastic effect in a shape-memory Nitinol alloy under biaxial loading. Mech Mater 2003;35:969-86.
13. Hisaaki T, Yoshirou S, Takashi H, et al. Influence of strain rate on superelastic properties of TiNi shape memory alloy. Mech Mater 1998;30:141-50.
14. Liu Y, Tan GS. Effect of deformation by stress-induced martensitic transformation on the transformation behaviour of NiTi. Intermetallics 2000;8:67-75.
15. Liu Y. Mechanistic simulation of deformation-induced martensite stabilisation. Mater Sci Eng 2004;378:459-64.
16. Melton KN, Mercier O. The mechanical properties of NiTi-based shape memory alloys. Acta Metall 1981;29:393-8.
17. Liu Y, McCormick PG. Criteria of transformation sequences in NiTi shape memory alloys. Mater Trans 1996;37:691-6.
18. Liu Y, Liu Y, Van Humbeeck J. Two-way Shape Memory Effect Developed by Martensite Deformation in NiTi. Acta Mater 1999;47:199-209.
19. Lim TH, An HS. Biomechanics of spinal instrumentation. In: An HS, Cotler JM, eds. Spinal Instrumentation. 2nd ed. Philadelphia, PA: Lippincott Williams & Wilkins; 1999:59-72.
20. Christensen JM, Kristiansen J, Nielsen NH, et al. Nickel concentrations in serum and urine of patients with nickel eczema. Toxicol Lett 1999;108:185-9.
21. Kuphasuk C, Oshida Y, Andres CJ, et al. Electrochemical corrosion of titanium and titanium-based alloys. J Prosthet Dent 2001;85:195-202.
22. Iijima M, Endo K, Yuasa T, et al. Galvanic corrosion behavior of orthodontic archwire alloys coupled to bracket alloys. Angle Orthod 2005;76:705-11.
23. Yeung K, Poon R, Ho J, et al. Corrosion resistance, mechanical properties and cyto-compatibility of NiTi shape memory alloys using nitrogen, and oxygen plasma immersion ion implantation. J Biomed Mater Res A 2005;75A:256-67.
24. Yeung KWK, Poon RWY, Liu XY, et al. Investigation of nickel suppression and cytocompatibility of surface-treated nickel-titanium shape memory alloys by using plasma immersion ion implantation. J Biomed Mater Res A 2005;72A:238-45.