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Design-optimization and material selection for a femoral-fracture fixation-plate implant

Grujicic, M. / Arakere, G. / Xie, X. / LaBerge, M. / Grujicic, A. / Wagner, D.W. / Vallejo, A.

AbstractThe problem of size/thickness optimization of a distal femoral-fracture fixation-plate is addressed computationally using a combined finite-element/design-optimization procedure. To obtain realistic physiological loading conditions associated with normal living activities (cycling, in the present case), a musculoskeletal multi-body inverse-dynamics analysis is carried out of a human riding the bicycle. While optimizing the design of the femoral-fracture locking-plate, realistic functional requirements pertaining to attain the required level of fracture-femur fixation and longevity/lifecycle were used. It is argued that these types of analysis should be used to complement pre-clinical implant-evaluation tests, the tests which normally include a limited number of physiological loading conditions and single pass/fail outcomes/decisions with respect to a set of lower-bound implant–performance criteria.

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Design-optimization and material selection for a femoral-fracture fixation-plate implant

Grujicic, M. / Arakere, G. / Xie, X. / LaBerge, M. / Grujicic, A. / Wagner, D.W. / Vallejo, A.

AbstractThe problem of size/thickness optimization of a distal femoral-fracture fixation-plate is addressed computationally using a combined finite-element/design-optimization procedure. To obtain realistic physiological loading conditions associated with normal living activities (cycling, in the present case), a musculoskeletal multi-body inverse-dynamics analysis is carried out of a human riding the bicycle. While optimizing the design of the femoral-fracture locking-plate, realistic functional requirements pertaining to attain the required level of fracture-femur fixation and longevity/lifecycle were used. It is argued that these types of analysis should be used to complement pre-clinical implant-evaluation tests, the tests which normally include a limited number of physiological loading conditions and single pass/fail outcomes/decisions with respect to a set of lower-bound implant–performance criteria.

Design-optimization and material selection for a femoral-fracture fixation-plate implant

Grujicic, M. / Arakere, G. / Xie, X. / LaBerge, M. / Grujicic, A. / Wagner, D.W. / Vallejo, A.

AbstractThe problem of size/thickness optimization of a distal femoral-fracture fixation-plate is addressed computationally using a combined finite-element/design-optimization procedure. To obtain realistic physiological loading conditions associated with normal living activities (cycling, in the present case), a musculoskeletal multi-body inverse-dynamics analysis is carried out of a human riding the bicycle. While optimizing the design of the femoral-fracture locking-plate, realistic functional requirements pertaining to attain the required level of fracture-femur fixation and longevity/lifecycle were used. It is argued that these types of analysis should be used to complement pre-clinical implant-evaluation tests, the tests which normally include a limited number of physiological loading conditions and single pass/fail outcomes/decisions with respect to a set of lower-bound implant–performance criteria.

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Title:

Design-optimization and material selection for a femoral-fracture fixation-plate implant

Contributors:

Grujicic, M. (author) / Arakere, G. (author) / Xie, X. (author) / LaBerge, M. (author) / Grujicic, A. (author) / Wagner, D.W. (author) / Vallejo, A. (author)

Publication date:

2010-01-20

Size:

11 pages

ISSN:

DOI:

https://doi.org/10.1016/j.matdes.2010.01.036

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Musculoskeletal modeling and simulations , Femoral-fracture fixed-plate implant , Optimization

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