The effects of different wire and screw combinations on the stiffness of a hybrid external fixator

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine

Volumn 214, Issue 6, 2000, Pages 669-676

  Yang, L ^a   Saleh, M ^a   Nayagam, S ^a  

^a UNIVERSITY OF SHEFFIELD   (United Kingdom)

Author keywords

Biomechanics; External fixation; External fixator; Fractures; Stiffness

Indexed keywords

ARTICLE; BIOMECHANICS; BONE SCREW; ELASTICITY; EQUIPMENT DESIGN; EVALUATION; EXTERNAL FIXATOR; HUMAN; ILIZAROV TECHNIQUE; INSTRUMENTATION; KIRSCHNER WIRE; MATERIALS TESTING; NONLINEAR SYSTEM; REGRESSION ANALYSIS; WEIGHT BEARING;

BIOMECHANICS; BONE SCREWS; BONE WIRES; ELASTICITY; EQUIPMENT DESIGN; EXTERNAL FIXATORS; HUMANS; ILIZAROV TECHNIQUE; MATERIALS TESTING; NONLINEAR DYNAMICS; REGRESSION ANALYSIS; WEIGHT-BEARING;

BIOMECHANICS; FRACTURE; HUMAN REHABILITATION EQUIPMENT; SCREWS; STIFFNESS; FASTENERS; WIRE;

HYBRID EXTERNAL FIXATORS;

ORTHOPEDICS; SCREWS;

EXTERNAL FIXATION; EXTERNAL FIXATOR; FOUR POINT BENDING; FRAME CONSTRUCTION; MECHANICAL CHARACTERISTICS; OVERALL STIFFNESS; STIFFNESS CHARACTERISTICS; UNSTABLE FRACTURE;

EID: 0034565246     PISSN: 09544119     EISSN: None     Source Type: Journal    
DOI: 10.1243/0954411001535697     Document Type: Article

References (30)

1. Salch, M. and Rccs, A. Bifocal surgery for deformity and bone loss after lower-limb fractures. Comparison of bonetransport and compression-distraction methods. J. Bone Jt Surg., 1995, 77-B, 429-434.
2. Salch, M. and Royston, S. Management of nonunion of fractures by distraction with correction of angulation and shortening. J. Bone Jt Surg., 1996, 78-B, 105-109.
3. Marsh, J. L., Nepola, J. V., Wuest, T. K., Osteen, D., Cox, K. and Oppenheim, W. Unilateral external fixation until healing with dynamic axial fixator for severe open tibial fractures. J. Orthop. Trauma, 1991, 5, 341-348.
4. Brown, C., Hcndcrson, S. and Moore, S. Surgical treatment of patients with open tibial fractures. AORN (Ass. Perioperative Registered Nurses) J., 1996, 63(5), 875-881, 885-896.
5. Ilizarov, G. A. The tension-stress effect on the genesis and growth of tissues. Part I: the influence of stability of fixation and soft-tissue preservation. Clin. Orthop. Related Res., 1989, 238, 249-281.
6. Ilizarov, G. A. The tension-stress effect on the genesis and growth of tissues. Part II: the influence of the rate and frequency of distraction. Clin. Orthop. Related Res., 1989, 239, 263-285.
7. Aro, H. T., Markcl, M. D. and Chao, E. Y. Cortical bone reactions at the interface of external fixation half-pins under different loading conditions. J. Trauma, 1993, 35(5), 776-785.
8. Lawes, T. J. and Goodship, A. E. Cortical profile external fixation screws main torque in the metaphysis. J. Bone Jt Surg., 1998, 79-B (Suppl.), 460.
9. Reed, M. R., Yang, L., Saleh, M. and Pétrone, N. Metaphyseal 'no-man's land'-does it really exist? J. Bone Jt Surg., 1998, 79-B (Suppl.), 462.
10. Podolsky, A. and Chao, E. Y. Mechanical performance of Ilizarov circular external fixators in comparison with other external fixators. Clin. Orthop. Related Res., 1993, 293, 61-70.
11. Fleming, B., Paley, D., Kristianscn, T. and Pope, M. A biomechanical analysis of the Ilizarov external fixation. Clin. Orthop. Related Res., 1989, 241, 95-105.
12. Faure, C. and Merloz, P. Transfixation: Atlas of Anatomical Sections for the External Fixation of Limbs, 1987 (SpringerVerlag, New York).
13. Tornetta, P., Weincr, L., Bergman, M., Watnik, N., Steuer, J., Kclley, M. and Yang, E. Pilon fractures: treatment with combined internal and external fixation. J. Orthop. Trauma, 1993, 7, 489-496.
14. Gaudincz, R. F., Mallik, A. R. and Szporn, M. Hybrid external fixation in tibia plafond fractures. Clin. Orthop. Related Res., 1996, 329, 223-232.
15. Zccher, S. B., Danziger, M. B., Segal, D., Foster, T., Whitclaw, G. P. and Covall, D. J. Treatment of high-energy proximal tibal fractures using the Monticelli-Spinelli external fixator: a preliminary report. J. Orthop., 1996, 25, 49-54.
16. Salch, M. and Hakmi, A. Fixation of intra-articular fractures of the tibia using hybrid external fixation-a preliminary report. Injury, 1998, 29, 155.
17. Caja, V. L., Larsson, S., Kim, W. and Chao, E. Y. Mechanical performance of the Monticelli-Spinelli external fixation system. Clin. Orthop. Related Res., 1994, 309, 257-266.
18. Lundy, D. W., Albert, M. J. and Hutton, W. C. Biomechanical comparison of hybrid fixators. J. Orthop. Trauma, 1998, 12, 496-503.
19. Khalily, C., Voor, M. J. and Seligson, D. Fracture site motion with Ilizarov and 'hybrid' external fixation. J. Orthop. Trauma, 1998, 12, 21-26.
20. Saleh, M. The Sheffield hybrid fixator: design considerations and clinical experience. Orthop. Product News, 1998, May/June, 33-35.
21. Finlay, J. B., Moroz, T. K., Rorabcck, C. H., Davey, J. R. and Bourne, R. B. Stability of 10 configurations of the Hoffmann external fixation frame. J. Bone Jt Surg., 1987, 69-A, 734-744.
22. Brockhuizcn, A. H., Boxma, IL, van der Mculcn, P. A. and Snijders, C. J. Performance of external fixation devices in femoral fractures; the ultimate challenge? A laboratory study with plastic rods. Injury, 1990, 21, 145-151.
23. Huiskes, R. and Chao, E. Y. S. Guidelines for external fixation frame rigidity and stresses. J. Orthop. Res., 1986, 4, 68-75.
24. Gasscr, B., Boman, B., Wyder, D. and Schneider, E. Stiffness characteristics of the circular device as opposed to conventional fixators. J. Biomed. Engng, 1990, 112, 15-21.
25. Churches, A. E., Tanner, K. E. and Harris, J. D. The Oxford External Fixator: fixator stiffness and the effects of bone pin loosening. Engng Medicine, 1985, 14, 3-11.
26. Churches, A. E., Tanner, K. E. and Harris, J. D. An engineering evaluation of the Oxford External Fixator with sliding clamps: fixator stiffness and fracture healing assessment. Engng Medicine, 1985, 14, 21-29.
27. Kenwright, J., Richardson, J. B., Goodship, A. E., Evans, M., Kelly, D. J., Spriggins, A. J., Newman, J. H., Burrough, S. J., Harris, J. D. and Rowley, D. I. Effect of controlled axial micromovement on healing of tibial fractures. Lancet, 1986,2(8517), 1185-1187.
28. Aro, H. T., Kelly, P. J., Lewallen, D. G. and Chao, E. Y. S. The effects of physiologic dynamic compression on bone healing under external fixation, din. Orthop. Related Res., 1990, 256, 260-273.
29. Wu, J., Shyr, H. S., Chao, E. Y. S. and Kelly, P. J. Comparison of osteotomy healing under external fixation devices with different stiffness characteristics. J. Bone Jt Surg., 1984, 66-A, 1258-1264.
30. Ilizarov, G. A. Transosseoits Osteosynthesis: Theoretical and Clincial Aspects of the Regeneration and Growth of Tissue, 1992 (Springer-Verlag, Berlin).