Recently,the fabrication methods of orthopedic implants and devices have been greatly developed.Additive manufacturing technology allows the production of complex structures with bio-mimicry features,and has the poten...Recently,the fabrication methods of orthopedic implants and devices have been greatly developed.Additive manufacturing technology allows the production of complex structures with bio-mimicry features,and has the potential to overcome the limitations of conventional fabrication methods.This review explores open-cellular structural design for porous metal implant applications,in relation to the mechanical properties,biocompatibility,and biodegradability.Several types of additive manufacturing techniques including selective laser sintering,selective laser melting,and electron beam melting,are discussed for different applications.Additive manufacturing through powder bed fusion shows great potential for the fabrication of high-quality porous metal implants.However,the powder bed fusion technique still faces two major challenges:it is high cost and timeconsuming.In addition,triply periodic minimal surface(TPMS)structures are also analyzed in this paper,targeting the design of metal implants with an enhanced biomorphic environment.展开更多
基金the financial support for this research by the Australian Research Council through the Discovery Projects DP170102557 and DP180100762.
文摘Recently,the fabrication methods of orthopedic implants and devices have been greatly developed.Additive manufacturing technology allows the production of complex structures with bio-mimicry features,and has the potential to overcome the limitations of conventional fabrication methods.This review explores open-cellular structural design for porous metal implant applications,in relation to the mechanical properties,biocompatibility,and biodegradability.Several types of additive manufacturing techniques including selective laser sintering,selective laser melting,and electron beam melting,are discussed for different applications.Additive manufacturing through powder bed fusion shows great potential for the fabrication of high-quality porous metal implants.However,the powder bed fusion technique still faces two major challenges:it is high cost and timeconsuming.In addition,triply periodic minimal surface(TPMS)structures are also analyzed in this paper,targeting the design of metal implants with an enhanced biomorphic environment.
