Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes
Abstract Background 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 accelera...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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BMC
2022-04-01
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| Series: | BioMedical Engineering OnLine |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12938-022-00990-z |
| _version_ | 1811280203524079616 |
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| author | Lena Risse Steven Woodcock Jan-Peter Brüggemann Gunter Kullmer Hans Albert Richard |
| author_facet | Lena Risse Steven Woodcock Jan-Peter Brüggemann Gunter Kullmer Hans Albert Richard |
| author_sort | Lena Risse |
| collection | DOAJ |
| description | Abstract Background 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. Results 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. Conclusions 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. |
| first_indexed | 2024-04-13T01:10:17Z |
| format | Article |
| id | doaj.art-be6f47f932fa4f60886b751972603cf2 |
| institution | Directory Open Access Journal |
| issn | 1475-925X |
| language | English |
| last_indexed | 2024-04-13T01:10:17Z |
| publishDate | 2022-04-01 |
| publisher | BMC |
| record_format | Article |
| series | BioMedical Engineering OnLine |
| spelling | doaj.art-be6f47f932fa4f60886b751972603cf22022-12-22T03:09:12ZengBMCBioMedical Engineering OnLine1475-925X2022-04-0121111310.1186/s12938-022-00990-zStiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processesLena Risse0Steven Woodcock1Jan-Peter Brüggemann2Gunter Kullmer3Hans Albert Richard4Institute of Applied Mechanics, Paderborn UniversityInstitute of Applied Mechanics, Paderborn UniversityAdvanced Mechanical Engineering GmbHInstitute of Applied Mechanics, Paderborn UniversityInstitute of Applied Mechanics, Paderborn UniversityAbstract Background 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. Results 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. Conclusions 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.https://doi.org/10.1186/s12938-022-00990-zStructural optimizationHip implantSelective laser melting |
| spellingShingle | Lena Risse Steven Woodcock Jan-Peter Brüggemann Gunter Kullmer Hans Albert Richard Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes BioMedical Engineering OnLine Structural optimization Hip implant Selective laser melting |
| title | Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| title_full | Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| title_fullStr | Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| title_full_unstemmed | Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| title_short | Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| title_sort | stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes |
| topic | Structural optimization Hip implant Selective laser melting |
| url | https://doi.org/10.1186/s12938-022-00990-z |
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