Analysing the bone cement flow in the injection apparatus during vertebroplasty
Abstract: Vertebroplasty, a medical procedure for treating vertebral fractures, requires medical practitioners to inject bone cement inside the vertebra using a cannula attached to a syringe. The required injection force must be small enough for the practitioner to apply it by hand while remaining stable for a controlled injection. Several factors could make the injection force unintuitive for the practitioners, one of them being the non‐Newtonian nature of the bone cement. The viscosity of the bone cement varies as it flows through the different parts of the injection apparatus and the porous cancellous interior of the vertebra. Therefore, it is important to study the flow of bone cement through these parts. This work is a preliminary study on the flow of bone cement through the injection apparatus. Firstly, we obtained the rheological parameters for the power law model of bone cement using experiments using standard clinical equipment. These parameters were then used to obtain the shear rate, viscosity, and velocity profiles of the bone cement flow through the cannula. Lastly, an analysis was carried out to understand the influence of various geometrical parameters of the injection apparatus, in which the radius of the cannula was found to be the most influential parameter.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Analysing the bone cement flow in the injection apparatus during vertebroplasty ; volume:23 ; number:1 ; year:2023 ; extent:6
Proceedings in applied mathematics and mechanics ; 23, Heft 1 (2023) (gesamt 6)
- Urheber
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Trivedi, Zubin
Gehweiler, Dominic
Wychowaniec, Jacek K.
Ricken, Tim
Gueorguiev-Rüegg, Boyko
Wagner, Arndt
Röhrle, Oliver
- DOI
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10.1002/pamm.202200295
- URN
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urn:nbn:de:101:1-2023060115090852106350
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:46 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Trivedi, Zubin
- Gehweiler, Dominic
- Wychowaniec, Jacek K.
- Ricken, Tim
- Gueorguiev-Rüegg, Boyko
- Wagner, Arndt
- Röhrle, Oliver
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