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Postoperative stabi...
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Hedelin, Henrik,1975Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för ortopedi,Institute of Clinical Sciences, Department of Orthopaedics,University of Gothenburg,Sahlgrenska universitetssjukhuset,Sahlgrenska University Hospital
(author)
Postoperative stability following a triple pelvic osteotomy is affected by implant configuration: a finite element analysis
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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2022-05-15
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Springer Science and Business Media LLC,2022
Numbers
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LIBRIS-ID:oai:gup.ub.gu.se/316648
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https://gup.ub.gu.se/publication/316648URI
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https://doi.org/10.1186/s13018-022-03169-3DOI
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https://research.chalmers.se/publication/530365URI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Background The triple pelvic osteotomy is an established surgical method with multiple modifications regarding surgical technique and choice of implant. The stability of the osteotomy is affected by numerous factors, and among these, the three-dimensional implant configuration is a scientifically less explored aspect. Methods We used a finite element model of a hemi-pelvis with a standardized triple osteotomy to calculate relative flexibility for loads in all translational degrees of freedom for five different implant configurations. Two of the configurations used entry points only feasible when implant removal was not necessary. Results The stability of the osteotomy improved with an increased distance between the implants in the plane of the osteotomy as well as for a more perpendicular angle relative to the osteotomy plane. The implant configurations with more entry points available made this easier to adhere to. Conclusion The use of bioabsorbable implants may provide better opportunities for optimal implant constructs which can, to a certain degree, compensate for the lesser mechanical stiffness of bioabsorbable polymers as compared to metal implants.
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Brynskog, Erik,1989Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)erikeli
(author)
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Larnert, PerGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för ortopedi,Institute of Clinical Sciences, Department of Orthopaedics,University of Gothenburg,Sahlgrenska universitetssjukhuset,Sahlgrenska University Hospital(Swepub:gu)xlarnp
(author)
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Iraeus, Johan,1973Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)iraeus
(author)
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Laine, TeroGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för ortopedi,Institute of Clinical Sciences, Department of Orthopaedics,Sahlgrenska universitetssjukhuset,Sahlgrenska University Hospital,University of Gothenburg
(author)
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Lagerstrand, Kerstin MGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences,University of Gothenburg,Sahlgrenska universitetssjukhuset,Sahlgrenska University Hospital(Swepub:gu)xlagke
(author)
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Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för ortopedi
(creator_code:org_t)
Related titles
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In:Journal of Orthopaedic Surgery and Research: Springer Science and Business Media LLC17:11749-799X
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