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    • 1. 发明申请
    • POROUS METAL DEVICES
    • 多孔金属器件
    • WO2018009582A1
    • 2018-01-11
    • PCT/US2017/040770
    • 2017-07-05
    • POROSTEON DEVELOPMENT LLC
    • AIHARA, HokutoZIDER, JohnZIDER, Robert, BFANTON, Gary, S.CARPENTER, ScottDUERIG, Thomas
    • B22F3/23C22C1/08A61L27/04A61L27/14A61L27/56
    • Devices comprising a component which has an open porous structure composed of an alloy of nickel and titanium or a mixture of nickel and titanium. The devices can be implanted in a mammalian body and provide desired interaction with protein, blood, ions, bone cells, and tissue. The devices are particularly useful for providing a substrate for the ingrowth of bone. In the open pore structure, preferably more than 95 % of the pores having a size of 50-1000 pm, particularly 50-600 μητι, with a pore size standard deviation of 250 μητι or less, particularly of 150 pm or less, and an average porosity by volume of 40-80%. When the device is implanted adjacent to a cancellous bone, the porous component preferably has a modulus of 0.1-1.2 GPa. When the device is implanted adjacent to cortical bone, the porous component preferably has a modulus of 16 to 24 GPa. The devices are also useful for filtering a liquid.
    • 包括具有由镍和钛的合金或镍和钛的混合物构成的开放式多孔结构的器件的器件。 这些装置可以植入哺乳动物体内并提供与蛋白质,血液,离子,骨细胞和组织的所需相互作用。 这些装置对于为骨头向内生长提供基材特别有用。 在开孔结构中,优选具有50-1000微米,特别是50-600微米的尺寸的孔的95%以上,孔尺寸标准偏差为250微米或更小,特别是150微米或更小,以及 平均孔隙率按体积计为40-80%。 当装置邻近松质骨植入时,多孔部件优选具有0.1-1.2GPa的模量。 当装置邻近皮质骨植入时,多孔部件优选具有16至24GPa的模量。 这些设备也可用于过滤液体。
    • 2. 发明申请
    • METALLIC MATRIX COMPOSITES SYNTHESIZED WITH UNIFORM IN SITU FORMED REINFORCEMENT
    • 合成均匀原位成形的金属基复合材料
    • WO2017190247A1
    • 2017-11-09
    • PCT/CA2017/050544
    • 2017-05-04
    • LUMIANT CORPORATION
    • HOLLOWAY, Scott Richard
    • C04B35/65B22F3/23
    • Metallic matrix composites are synthesized by mixing a first reactant, a second reactant and a nucleator compound to obtain a reaction mixture, and heating the reaction mixture to an auto-activation temperature to initiate a self- propagating high-temperature synthesis reaction between the first and second reactants. The metallic matrix composite can include a metallic matrix and an in situ formed reinforcement. The reinforcement can be formed of discrete particles substantially uniformly dispersed within the metallic matrix. Each of the particles can have a reinforcement constituent disposed about a core formed of the nucleator compound.
    • 通过将第一反应物,第二反应物和成核剂化合物混合以获得反应混合物并将反应混合物加热至自激活温度以引发自蔓延高的温度来合成金属基质复合材料 第一和第二反应物之间的温度合成反应。 金属基质复合材料可以包括金属基质和原位形成的增强材料。 增强物可以由基本上均匀分散在金属基体内的离散颗粒形成。 每个颗粒可以具有围绕由成核剂化合物形成的核心设置的增强成分。