The Effect of Screw Parameters on Pullout Strength of Screw Fixation in Cervical Spine
The pullout strength had an effect on the stability of
plate screw fixation when inserted in the cervical spine. Nine
different titanium alloy bone screws were used to test the pullout
strength through finite element analysis. The result showed that the
Moss Miami I can bear the highest pullout force at 1,075 N, which
causes the maximum von Mises stress at 858.87 MPa, a value over
the yield strength of titanium. The bone screw should have large
outer diameter, core diameter and proximal root radius to increase the
pullout strength.
[1] T.A. Mattei, M.S. Meneses, J.B. Milano and R. Ramina. “Free-hand”
technique for thoracolumbar pedicle screw instrumentation: critical
appraisal of current “state of art” Neurol India. 2009 vol. 57(6), pp. 715-
721.
[2] J.D. Thompson, J.B. Benjamin and J.A. Szivek “Pullout strengths of
cannulated and non-cannulated cancellous bone screws” Clinical
Orthopaedics and Related Research 1997 vol. 341, pp. 241-249.
[3] T. Hirano, K. Hasegawa, H.E. Takahashi, S. Uchiyama, T. Hara, T.
Washio, T. Sugiura, M. Yokaichiya and M. Ikeda. “Structural
characteristics of the pedicle and its role in screw stability” Spine 1997
vol. 22, pp. 2504-2509
[4] T.H. Lim, H.S. An, C. Evanich, K.Y. Hasanoglu, L. Mcgrady and C.R.
Wilson. “Strength of anterior vertebral screw fixation in relationship to
bone mineral density” Journal of Spinal Disorder 1995 vol. 8, pp. 121-
125.
[5] Q.H. Zhang, S.H. Tan and S.M. Chou. “Investigation of fixation screw
pull-out strength on human spine” J. Biomechanics 2004 vol. 37, pp.
479-485.
[6] C.H. Ching, K.C. Ching, L.W. Jaw, M.H. Sheng, T.T. Ying and L. Jinn.
“Increase of pullout strength of spinal pedicle screws with conical core:
biomechanical tests and finite element analyse” J. Orthopaedic Research
2005 vol. 23, pp. 788-794. [7] E.E. Karaikovic, S. Kunakornsawat, M.D. Daubs, R. Madsen and R.W.
Jr. Gaines. “Surgical anatomy of the cervical pedicles (landmarks for
posterior cervical pedicle entrance localization)” J. Spinal Disord 2000
vol. 13, pp. 63-72.
[8] A. Perez, A. Mahar, C. Negus, P. Newton and T. Impelluso. “A
computational evaluation of the effect of intramedullary nail material
properties on the stabilization of simulated femoral shaft fractures” J.
Med Eng & Phy 2007 vol. 20, pp. 755-760.
[9] A. Ramos and J.A. Simoes. “Tetrahedral versus hexahedral finite
elements in numerical modeling of the proximal femur” J. Med
Eng&Phy 2006 vol. 28, pp. 916-924.
[10] Z. Paul, B. David, E.G. Allan and P. Marcello. “Nothching of the
Anterior Femoral Cortex during Total Knee Arthoplasty” J. Arthroplasty
2006 vol. 21, pp. 737-743.
[11] S.L. Chen, R.M. Lin and C.H. Chang. “Biomechanical investigation of
pedicle screw-vertebrae complex: a finite element approach using
bonded and contact interface conditions” Med Eng & Phy 2003 vol. 25,
pp. 275-282.
[12] J. Black and G. Hastings. 1998 “Handbook of biomaterials properties”
Chapman & Hall, UK.
[13] Q.H. Zhang, S.H. Tan and S.M. Chou. “Effects of bone materials on the
screw pull-out strength in human spine” Med Eng & Phy 2006 vol. 28,
pp. 795-801.
[14] J.R. Chapman, R.M. Harrington, K.M. Lee, P.A. Anderson, A.F. Tencer
and D. Kowalski. “Factors affecting the pullout strength of cancellous
bone screws” J. Biomech Eng. 1996 vol. 118, pp. 391-398.
[15] A. Ono, M.D. Brown, L.L. Latta, E.L. Milne and D.C. Holmes.
''Triangulated pedicle screw construct technique and pull-out strength of
conical and cylindrical screw'' J. Spinal Disord 2001 vol. 14, pp. 323-
329.
[16] B.B. Abshire, R.F. McLain, A. Valdevit and H.E. Kambic.
''Characteristics of pullout failure in conical and cylindrical pedicle
screws after full insertion and back-out'' J. Spine 2001 vol. 1, pp. 408-
414.
[17] T. Gausepohl, R. Mohring, D. Penning and J. Koebke. ''Fine thread
versus coarse thread: a comparison of the maximum holding power''
Injury2001 vol. 32, pp. 1-7.
[18] C. Altieri, J. Flores, V. Gonzalez and A. Rodriguez. “Biomechanics of
orthopaedic fixations” 2003 Mechanics of Materials I. University of
Puerto Rico.
[1] T.A. Mattei, M.S. Meneses, J.B. Milano and R. Ramina. “Free-hand”
technique for thoracolumbar pedicle screw instrumentation: critical
appraisal of current “state of art” Neurol India. 2009 vol. 57(6), pp. 715-
721.
[2] J.D. Thompson, J.B. Benjamin and J.A. Szivek “Pullout strengths of
cannulated and non-cannulated cancellous bone screws” Clinical
Orthopaedics and Related Research 1997 vol. 341, pp. 241-249.
[3] T. Hirano, K. Hasegawa, H.E. Takahashi, S. Uchiyama, T. Hara, T.
Washio, T. Sugiura, M. Yokaichiya and M. Ikeda. “Structural
characteristics of the pedicle and its role in screw stability” Spine 1997
vol. 22, pp. 2504-2509
[4] T.H. Lim, H.S. An, C. Evanich, K.Y. Hasanoglu, L. Mcgrady and C.R.
Wilson. “Strength of anterior vertebral screw fixation in relationship to
bone mineral density” Journal of Spinal Disorder 1995 vol. 8, pp. 121-
125.
[5] Q.H. Zhang, S.H. Tan and S.M. Chou. “Investigation of fixation screw
pull-out strength on human spine” J. Biomechanics 2004 vol. 37, pp.
479-485.
[6] C.H. Ching, K.C. Ching, L.W. Jaw, M.H. Sheng, T.T. Ying and L. Jinn.
“Increase of pullout strength of spinal pedicle screws with conical core:
biomechanical tests and finite element analyse” J. Orthopaedic Research
2005 vol. 23, pp. 788-794. [7] E.E. Karaikovic, S. Kunakornsawat, M.D. Daubs, R. Madsen and R.W.
Jr. Gaines. “Surgical anatomy of the cervical pedicles (landmarks for
posterior cervical pedicle entrance localization)” J. Spinal Disord 2000
vol. 13, pp. 63-72.
[8] A. Perez, A. Mahar, C. Negus, P. Newton and T. Impelluso. “A
computational evaluation of the effect of intramedullary nail material
properties on the stabilization of simulated femoral shaft fractures” J.
Med Eng & Phy 2007 vol. 20, pp. 755-760.
[9] A. Ramos and J.A. Simoes. “Tetrahedral versus hexahedral finite
elements in numerical modeling of the proximal femur” J. Med
Eng&Phy 2006 vol. 28, pp. 916-924.
[10] Z. Paul, B. David, E.G. Allan and P. Marcello. “Nothching of the
Anterior Femoral Cortex during Total Knee Arthoplasty” J. Arthroplasty
2006 vol. 21, pp. 737-743.
[11] S.L. Chen, R.M. Lin and C.H. Chang. “Biomechanical investigation of
pedicle screw-vertebrae complex: a finite element approach using
bonded and contact interface conditions” Med Eng & Phy 2003 vol. 25,
pp. 275-282.
[12] J. Black and G. Hastings. 1998 “Handbook of biomaterials properties”
Chapman & Hall, UK.
[13] Q.H. Zhang, S.H. Tan and S.M. Chou. “Effects of bone materials on the
screw pull-out strength in human spine” Med Eng & Phy 2006 vol. 28,
pp. 795-801.
[14] J.R. Chapman, R.M. Harrington, K.M. Lee, P.A. Anderson, A.F. Tencer
and D. Kowalski. “Factors affecting the pullout strength of cancellous
bone screws” J. Biomech Eng. 1996 vol. 118, pp. 391-398.
[15] A. Ono, M.D. Brown, L.L. Latta, E.L. Milne and D.C. Holmes.
''Triangulated pedicle screw construct technique and pull-out strength of
conical and cylindrical screw'' J. Spinal Disord 2001 vol. 14, pp. 323-
329.
[16] B.B. Abshire, R.F. McLain, A. Valdevit and H.E. Kambic.
''Characteristics of pullout failure in conical and cylindrical pedicle
screws after full insertion and back-out'' J. Spine 2001 vol. 1, pp. 408-
414.
[17] T. Gausepohl, R. Mohring, D. Penning and J. Koebke. ''Fine thread
versus coarse thread: a comparison of the maximum holding power''
Injury2001 vol. 32, pp. 1-7.
[18] C. Altieri, J. Flores, V. Gonzalez and A. Rodriguez. “Biomechanics of
orthopaedic fixations” 2003 Mechanics of Materials I. University of
Puerto Rico.
@article{"International Journal of Medical, Medicine and Health Sciences:69250", author = "S. Ritddech and P. Aroonjarattham and K. Aroonjarattham", title = "The Effect of Screw Parameters on Pullout Strength of Screw Fixation in Cervical Spine", abstract = "The pullout strength had an effect on the stability of
plate screw fixation when inserted in the cervical spine. Nine
different titanium alloy bone screws were used to test the pullout
strength through finite element analysis. The result showed that the
Moss Miami I can bear the highest pullout force at 1,075 N, which
causes the maximum von Mises stress at 858.87 MPa, a value over
the yield strength of titanium. The bone screw should have large
outer diameter, core diameter and proximal root radius to increase the
pullout strength.
", keywords = "Pullout strength, Screw parameter, Cervical spine,
Finite element analysis.", volume = "9", number = "3", pages = "247-4", }
