Porous coatings are used in the field of joint replacement, particularly in cementless total hip/knee arthroplasty. This article reviews the offerings and biomaterial properties in orthopedic surgery for the contemporary class of highly porous metals. It describes the traditional porous metal/coating having an open-cell structure, high porosity, and a microsctructure resembling that of cancellous bone. The traditional porous metal/coating includes fiber-metal mesh, cobalt-chromium (CoCr) beads, cancellous-structured titanium, and plasma spray. The article discusses other porous metal/coating due to the limitations of traditional porous metals for numerous open-cell-structured metals, such as titanium-base foams and trabecular metal.
D.W. Fabi, B.R. Levine, Porous Coatings on Metallic Implant Materials, Materials for Medical Devices, Vol 23, ASM Handbook, Edited By Roger J. Narayan, ASM International, 2012, p 307–319, https://doi.org/10.31399/asm.hb.v23.a0005656
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