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Sheet based triply periodic minimal surface implants for promoting osseointegration and methods for producing same
Sheet based triply periodic minimal surface implants for promoting osseointegration and methods for producing same
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机译:基于片的三个周期性最小表面植入物,用于促进骨整合和制造方法
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摘要
Provided herein are implants and methods for producing implants. In at least one embodiment, the implants include sheet-based, triply periodic, minimal surface (TPMS) portions. According to one embodiment, the TPMS portions include a gyroid architecture that provides for improved osseointegration and mechanical performance over previous implants due to novel ratios of porosity to compressive strength, among other features. In one or more embodiments, the gyroid architecture is organized into unit cells that demonstrate anisotropic mechanical performance along an insertion direction. In various embodiments, the present methods include novel selective laser melting (SLM) techniques for forming the TPMS portions of implants in a manner that reduces defect formation, thereby improving compressive performance and other implant properties.
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