一些控制磷酸钙骨水泥可注射性的因素。
Some factors controlling the injectability of calcium phosphate bone cements.
作者信息
Khairoun I, Boltong M G, Driessens F C, Planell J A
机构信息
Department of Materials Science and Metallurgy, Universitat Politecnica de Catalunya, Avda, Diagonal 647, E-08028 Barcelona, Spain.
出版信息
J Mater Sci Mater Med. 1998 Aug;9(8):425-8. doi: 10.1023/a:1008811215655.
The injectability of four calcium phosphate bone cements (CPBCs) was measured using a commercial disposable syringe. It varied considerably with the cement powder composition, with the liquid/powder ratio, with the time after starting the mixing of liquid and powder, with the accelerator concentration (% Na2HPO4), and with the ageing time of the cement powder which was prepared by milling. The injectability test could be used to determine accurately the dough time of CPBCs. Relations between the setting time and the cohesion time are discussed.
使用商用一次性注射器测量了四种磷酸钙骨水泥（CPBC）的可注射性。其可注射性随骨水泥粉末成分、液粉比、液体与粉末开始混合后的时间、促进剂浓度（% Na2HPO4）以及通过研磨制备的骨水泥粉末的老化时间而有很大差异。可注射性测试可用于准确确定CPBC的面团期。讨论了凝固时间和内聚时间之间的关系。
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