Studies on bending limitations for the optimal fit of orthopaedic bone plates

Malekani, Javad, Schmutz, Beat, Gudimetla, Prasad, Gu, Yuan Tong, Schuetz, Michael and Yarlagadda, Prasad (2013). Studies on bending limitations for the optimal fit of orthopaedic bone plates. In: Progress in Materials and Processes. 2nd International Conference on Materials and Products Manufacturing Technology (ICMPMT 2012), Guangzhou, China, (1181-1185). 22-23 September 2012. doi:10.4028/www.scientific.net/AMR.602-604.1181

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Author Malekani, Javad
Schmutz, Beat
Gudimetla, Prasad
Gu, Yuan Tong
Schuetz, Michael
Yarlagadda, Prasad
Title of paper Studies on bending limitations for the optimal fit of orthopaedic bone plates
Conference name 2nd International Conference on Materials and Products Manufacturing Technology (ICMPMT 2012)
Conference location Guangzhou, China
Conference dates 22-23 September 2012
Proceedings title Progress in Materials and Processes   Check publisher's open access policy
Journal name Advanced Materials Research   Check publisher's open access policy
Place of Publication Stafa-Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2013
Year available 2012
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/AMR.602-604.1181
ISBN 9783037855430
ISSN 1022-6680
Volume 602-604
Issue Part 2
Start page 1181
End page 1185
Total pages 5
Chapter number 11
Collection year 2014
Abstract/Summary Distal tibial fractures are now commonly treated via intermedullary plate fixation due to higher rates of union and lower rates of postoperative complications. However, patient specific bone morphology demands manual deformation of the plate to ensure appropriate fit along the bone contours, and depending on the material of the plate, different outcomes have been reported along with postoperative complications. A comparative analysis of Stainless Steel 316L and Ti-6Al-4V alloys was carried to estimate the safe bending limit for appropriate fits. The results from the ANSYS FEA simulations were validated with experiments based on ASTM F382-99. It is found that SS316L is better suited for large deformations (up to 16 ° in proximal tip and 7.5 ° in distal end) and Ti for smaller deformation contours (up to 3 ° in proximal tip and 1.8 ° in distal end). The results of this study have profound implications for the choice of plates based on preliminary radiographical fracture examinations to ensure better fixation and higher rates of union of distal tibial fractures.
Subjects 2200 Engineering
Keyword Bending
Deformation
Finite element analysis (FEA)
Mechanical properties
Orthopedic bone plates
Stainless steel 316L
Ti-6Al-4V
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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