Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes

L. Risse, S.C. Woodcock, J.-P. Brüggemann, G. Kullmer, H.A. Richard, BioMedical Engineering OnLine 21 (2022).

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Journal Article | Published | English
Author
Risse, LenaLibreCat; Woodcock, Steven CliffordLibreCat; Brüggemann, Jan-Peter; Kullmer, GunterLibreCat; Richard, Hans Albert
Abstract
<jats:title>Abstract</jats:title><jats:sec> <jats:title>Background</jats:title> <jats:p>Due to the steadily increasing life expectancy of the population, the need for medical aids to maintain the previous quality of life is growing. The basis for independent mobility is a functional locomotor system. The hip joint can be so badly damaged by everyday wear or accelerated by illness that reconstruction by means of endoprostheses is necessary.</jats:p> </jats:sec><jats:sec> <jats:title>Results</jats:title> <jats:p>In order to ensure a high quality of life for the patient after this procedure as well as a long service life of the prosthesis, a high-quality design is required, so that many different aspects have to be taken into account when developing prostheses. Long-term medical studies show that the service life and operational safety of a hip prosthesis by best possible adaptation of the stiffness to that of the bone can be increased. The use of additive manufacturing processes enables to specifically change the stiffness of implant structures.</jats:p> </jats:sec><jats:sec> <jats:title>Conclusions</jats:title> <jats:p>Reduced implant stiffness leads to an increase in stress in the surrounding bone and thus to a reduction in bone resorption. Numerical methods are used to demonstrate this fact in the hip implant developed. The safety of use is nevertheless ensured by evaluating and taking into account the stresses that occur for critical load cases. These results are a promising basis to enable longer service life of prostheses in the future.</jats:p> </jats:sec>
Publishing Year
Journal Title
BioMedical Engineering OnLine
Volume
21
Issue
1
Article Number
23
ISSN
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Risse L, Woodcock SC, Brüggemann J-P, Kullmer G, Richard HA. Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes. BioMedical Engineering OnLine. 2022;21(1). doi:10.1186/s12938-022-00990-z
Risse, L., Woodcock, S. C., Brüggemann, J.-P., Kullmer, G., & Richard, H. A. (2022). Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes. BioMedical Engineering OnLine, 21(1), Article 23. https://doi.org/10.1186/s12938-022-00990-z
@article{Risse_Woodcock_Brüggemann_Kullmer_Richard_2022, title={Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes}, volume={21}, DOI={10.1186/s12938-022-00990-z}, number={123}, journal={BioMedical Engineering OnLine}, publisher={Springer Science and Business Media LLC}, author={Risse, Lena and Woodcock, Steven Clifford and Brüggemann, Jan-Peter and Kullmer, Gunter and Richard, Hans Albert}, year={2022} }
Risse, Lena, Steven Clifford Woodcock, Jan-Peter Brüggemann, Gunter Kullmer, and Hans Albert Richard. “Stiffness Optimization and Reliable Design of a Hip Implant by Using the Potential of Additive Manufacturing Processes.” BioMedical Engineering OnLine 21, no. 1 (2022). https://doi.org/10.1186/s12938-022-00990-z.
L. Risse, S. C. Woodcock, J.-P. Brüggemann, G. Kullmer, and H. A. Richard, “Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes,” BioMedical Engineering OnLine, vol. 21, no. 1, Art. no. 23, 2022, doi: 10.1186/s12938-022-00990-z.
Risse, Lena, et al. “Stiffness Optimization and Reliable Design of a Hip Implant by Using the Potential of Additive Manufacturing Processes.” BioMedical Engineering OnLine, vol. 21, no. 1, 23, Springer Science and Business Media LLC, 2022, doi:10.1186/s12938-022-00990-z.

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