Influence of powder-to-liquid monomer ratio on properties of an injectable iodine-containing acrylic bone cement for vertebroplasty and balloon kyphoplasty
作者： Gladius Lewis , Leo H. Koole , Catharina S. J. van Hooy-Corstjens
DOI: 10.1002/JBM.B.31427
关键词: Curing (chemistry) 、 Bone cement 、 Fatigue limit 、 Cement 、 Radiodensity 、 Monomer 、 Materials science 、 Methyl methacrylate 、 Differential scanning calorimetry 、 Composite material
摘要: The interventional radiological techniques of vertebroplasty (VP) and balloon kyphoplasty (BKP) are widely used in cases where the pain secondary to compression fractures vertebral bodies is severe, persistent, refractory conservative treatments. In majority VP BKP cases, an injectable poly(methyl methacrylate) (PMMA) bone cement different values powder-to-liquid monomer ratio (PLMR) used. A systematic study influence PLMR on relevant properties lacking. This was subject present study, with PMMA being experimental one whose radiopacity provided by iodine-containing compound powder. PLMRs used—1.54, 2.22, 3.08 g mL−1—are within range clinical reports BKP. One property curing cement, namely, polymerization rate at 37°C (k′), estimated using nonisothermal differential scanning calorimetry results. fatigue lives (Nf) cured specimens were obtained under axial loading corresponding stresses (S) ±20.0, 15.0, 12.5, 10.0 MPa, a frequency 2 Hz. limit from fit S − Nf results Olgive equation. With increase PLMR, k′ increased significantly, but another also ln not significant. © 2009 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater,
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