Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m ...Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m 1/2 fracture toughness. Femur head prosthesis of hip joint was prepared by using this material; Ti alloy femur handle was sprayed bioactive hydroxyapatite (HA) by plasma on surface, which improves the chemistry stability and biocompatibility of Ti alloy; ceramic metal combination artificial hip joint femur prosthesis was made by combining Al 2O 3 femur head with Ti alloy femur handle, so the manufacturing process is improved and the property and application flexibility are advanced.展开更多
The hydroxyapatite/polylactide biocomposites were prepared by absorption process in liquid phase. The method avoided many disadvantages, such as inaterfusion of chemical impurity substances, nonuniformity dispersal o...The hydroxyapatite/polylactide biocomposites were prepared by absorption process in liquid phase. The method avoided many disadvantages, such as inaterfusion of chemical impurity substances, nonuniformity dispersal of HA in PLA, low molecular weight of PLA . HA particles were uniformly dispersed in PLA matrix, and showed well ndhesion with PLA matrix. The biocomposites have the higher mechanical properties and suitable decomposable capability.展开更多
The influence of heat source by laser irradiating on tissue temperature was simulated with the Ansys program, and the distribution of tissue temperature under the heat source was shown. Compared with others, the simul...The influence of heat source by laser irradiating on tissue temperature was simulated with the Ansys program, and the distribution of tissue temperature under the heat source was shown. Compared with others, the simulation method with aasys program is more intuitionistic and can offer very good reference for Laser-induced iaterstitial thermotherapy.展开更多
文摘Al 2O 3 material was synthesized by using high purity alumina micro powder and Mg Zr Y composite additives at temperature of 1 600 ℃, which had good mechanics property of 416 MPa bending strength and 5.46 MPa·m 1/2 fracture toughness. Femur head prosthesis of hip joint was prepared by using this material; Ti alloy femur handle was sprayed bioactive hydroxyapatite (HA) by plasma on surface, which improves the chemistry stability and biocompatibility of Ti alloy; ceramic metal combination artificial hip joint femur prosthesis was made by combining Al 2O 3 femur head with Ti alloy femur handle, so the manufacturing process is improved and the property and application flexibility are advanced.
文摘The hydroxyapatite/polylactide biocomposites were prepared by absorption process in liquid phase. The method avoided many disadvantages, such as inaterfusion of chemical impurity substances, nonuniformity dispersal of HA in PLA, low molecular weight of PLA . HA particles were uniformly dispersed in PLA matrix, and showed well ndhesion with PLA matrix. The biocomposites have the higher mechanical properties and suitable decomposable capability.
文摘The influence of heat source by laser irradiating on tissue temperature was simulated with the Ansys program, and the distribution of tissue temperature under the heat source was shown. Compared with others, the simulation method with aasys program is more intuitionistic and can offer very good reference for Laser-induced iaterstitial thermotherapy.
