- Tytuł:
- Experimental investigations of the PMMA bone cement distribution inside a model of lumbar vertebrae
- Autorzy:
-
Bonik, Artur
Tyfa, Zbigniew
Ciupik, Lechosław Franciszek
Sobczak, Krzysztof
Kierzkowska, Agnieszka
Obidowski, Damian Stanisław
Witkowski, Dariusz
Pałczyński, Tomasz
Elgalal, Marcin
Komorowski, Piotr
Słoński, Edward
Jóźwik, Krzysztof
Walkowiak, Bogdan - Powiązania:
- https://bibliotekanauki.pl/articles/2232172.pdf
- Data publikacji:
- 2022
- Wydawca:
- Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
- Tematy:
-
percutaneous vertebroplasty
osteoporotic spinal fractures
spinal cement injection
cement distribution
bone cement preparation - Opis:
- The use of bone cement in procedures such as vertebroplasty and kyphoplasty can reduce pain and mechanically support the spine. This study aimed to evaluate whether air entrapped within bone cement affected its distribution in a vertebral body model. The study included 3D printed anatomical models of vertebrae together with their internal trabecular structure. Aeration was achieved by mixing the bone cement using three different altered procedures, whilst the control sample was prepared according to the manufacturer’s instructions. The further two samples were prepared by reducing or increasing the number of cycles required to mix the bone cement. A test rig was used to administer the prepared bone cement and introduce it into the vertebral model. Each time the injection was stopped when either the cement started to flow out of the vertebral model or when the entire cement volume was administered. The computer tomography (CT) scanning was performed to evaluate aerification and its influence on the bone cement distribution in each of the patient-specific models. The large number of small pores visible within the cement, especially in the cannula vicinity, indicated that the cement should not be treated as a homogenous liquid. These results suggest that a high level of aerification can influence the further cement distribution.
- Źródło:
-
Engineering of Biomaterials; 2022, 25, 165; 23--30
1429-7248 - Pojawia się w:
- Engineering of Biomaterials
- Dostawca treści:
- Biblioteka Nauki