Patent ID: 7722735
Filing Date: 2010-05-25
Classification: A61F,A61L,B22F

Abstract:
1. A method of forming a porous structure on a surface of a solid metallic material, comprising a prosthetic bone implant, wherein a microstructure appliqué of specific shape and thickness is assembled from metallic particles and vaporizable binder and affixed to the solid metallic material and permanently attached by application of appropriate sintering treatment, comprising the steps of: a) dispensing metallic particles into a tray to form a single layer of uniformly, close-packed particles; b) preparing a pad in the shape of the area to be coated and adhesively securing the pad to a support block; c) applying an adhesive over the surface of the pad; d) pressing the adhesive-coated pad onto the packed layer of metallic particles in the tray; e) adding binder solution to fill the space in-between particles and the pad surface; f) curing the binder with application of appropriate heat; and g) recovering the microstructure appliqué from the pad and adhesively attaching to the surface of the solid metallic material in an area of similar shape.