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Journal of biomedical materials research最新文献

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Porous-surfaced metallic implants for orthopedic applications. 骨科用多孔表面金属植入物。
Journal of biomedical materials research
Pub Date : 1987-04-01
R M Pilliar

The fixation of orthopedic implants in bone by tissue ingrowth presents a possible solution to the problem of long-term implant loosening. To achieve this objective, metallic implants formed with porous surface coatings have been developed. This article reviews the methods proposed for fabricating such implants. Some possible problems related to loss of mechanical properties due to the processing to form the porous surface zone are described. For some of the porous-surfaced implant systems, processes have been developed to avoid the occurrence of such changes. It is particularly important at this stage of the evaluation of porous-surfaced implants in clinical situations that manufacturers are fully cognizant of the effects of processing on mechanical properties of these devices.

通过组织向内生长固定骨科植入物为解决长期植入物松动问题提供了一种可能的解决方案。为了实现这一目标，已经开发出具有多孔表面涂层的金属植入物。本文综述了制备此类植入物的方法。描述了由于形成多孔表面区域的加工而导致的机械性能损失的一些可能的问题。对于一些多孔表面的植入系统，已经开发了一些工艺来避免这种变化的发生。在临床评估多孔表面植入物的这个阶段，制造商充分认识到加工对这些设备机械性能的影响是特别重要的。
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引用次数: 0
Cardiac valve prostheses: review of clinical status and contemporary biomaterials issues. 心脏瓣膜假体:临床现状及当代生物材料问题综述。
Journal of biomedical materials research
Pub Date : 1987-04-01
F J Schoen
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引用次数: 0
Biomaterial surfaces. 生物材料的表面。
Journal of biomedical materials research
Pub Date : 1987-04-01
B D Ratner, A B Johnston, T J Lenk

The nature of a biomaterial surface governs the processes involved in biological response. Surface properties such as surface chemistry, surface energy, and morphology may be measured in order to understand the surface region of a biomaterial. In this article, we describe the surface characteristics of a few common biomaterials, review the techniques used to measure surface properties, and discuss the application of surface information in developing novel and improved biomaterials.

生物材料表面的性质决定了生物反应的过程。为了了解生物材料的表面区域，可以测量表面性质，如表面化学、表面能和形态。在本文中，我们描述了几种常见的生物材料的表面特性，回顾了用于测量表面特性的技术，并讨论了表面信息在开发新型和改进生物材料中的应用。
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引用次数: 0
Adhesion and spreading of fibroblasts on sepiolite-collagen complexes. 成纤维细胞在海泡石-胶原复合物上的粘附和扩散。
Journal of biomedical materials research
Pub Date : 1987-01-01
M A Lizarbe, N Olmo, J G Gavilanes

In this study, adhesion, spreading, and attachment of human fibroblasts on collagen-sepiolite complexes have been studied. The behavior of the cultured cells has been compared to that of fibroblasts cultured on plastic dishes and collagen-coated dishes. This has been considered by studying the time course of the cell attachment and scanning electron microscopic observation of the events occurring during this process. The results obtained allow the conclusion that the collagen-sepiolite complexes are adhesive for cells.

在这项研究中，研究了人成纤维细胞在胶原-海泡石复合物上的粘附、扩散和附着。将培养细胞的行为与在塑料培养皿和胶原包被培养皿中培养的成纤维细胞进行了比较。通过研究细胞附着的时间过程和扫描电镜观察这一过程中发生的事件，可以考虑到这一点。实验结果表明胶原-海泡石复合物对细胞具有粘附作用。
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引用次数: 0
Reply to comments on "use of megnetostrictive transducers for stress measurements within methylmethacrylate 'bone cement'". 回复关于“在甲基丙烯酸甲酯‘骨水泥’内使用磁致伸缩传感器进行应力测量”的评论。
Journal of biomedical materials research
Pub Date : 1973-03-01
G V Cochran
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引用次数: 0
Comments on "use of magnetostrictive transducers for stress measurements within methylmethacrylate 'bone cement'". 关于“使用磁致伸缩传感器测量甲基丙烯酸甲酯‘骨水泥’内的应力”的评论。
Journal of biomedical materials research
Pub Date : 1973-03-01
E Y Robinson
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引用次数: 0
Children's oral problems in Costa Rica and programs leading to their solution. 哥斯达黎加儿童的口腔问题和解决方案。
Journal of biomedical materials research
Pub Date : 1969-10-01
R Pauly
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引用次数: 0
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