Porous implant material
A technology of implants and porous metals, applied in prosthesis, medical science, surgery, etc., can solve the problems of making implants close to human bones, and achieve the effects of avoiding stress shielding, easy access, and ensuring combination
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[0066] Example
[0067] A green sheet was produced by the slurry foaming method, and a porous metal body was produced from the green sheet. Titanium metal powder (as a raw material), polyvinyl alcohol (as a binder), glycerin (as a plasticizer), alkylbenzene sulfonate (as a surfactant), heptane (as a Foaming agent) was kneaded with water as a solvent to prepare a slurry. The slurry is shaped into a plate shape and dried, and then a plurality of the green sheets are laminated, degreased and sintered, thereby obtaining a laminate of porous metal bodies.
[0068] The laminated body of the porous metal body was compressed by a calender, and the surface and the cross section in the thickness direction were observed with an optical microscope.
[0069] Figure 4 Is the surface photo, Figure 5 It is a photo of the profile. As apparent from these figures, the pores opening on the surface are approximately circular, but the cross section is a flat shape squashed in the thickness direction....
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