Process for producing implantable, porous, ceramic, bone substitution, bone connection or prosthesis anchoring materials

Claim 1

THE PROCESS FOR PRODUCING AN IMPLANTABLE, POROUS, CERMAIC BONE SUBSTITUTION- OR BONE CONNECTION - OR PROSTHESIS ANCHORING MATERIAL, AND THE LIKE, WHICH HAS OPEN PORES OF SUBSTANTIALLY REGUALR OR UNIFORM SIZE, DISTRIBUTION AND DISPOSITION WHICH COMPRISES: (A) PRODUCING A FRAME WHICH CORRESPONDS APPROXIMATELY TO THE PORES AND PORE INTERCONNECTIONS OF THE DESIRED FINISHED PRODUCT, THE FRAME BEING FORMED BY PREPARING A COMPACT ARRANGEMENT OF SPHERICAL BODIES, WHICH ARE APPROXIMATELY OF EQUAL OR UNIFORM SIZE, FILLING SAID COMPACT ARRANGEMENT OF SPHERICAL BODIES WITH A LIQUID WHICH GRADUALLY, GENTLY DISSOLVES SAID BODIES, SAID LIQUID GRADUALLY, GENTLY DISSOLVING PART OF SAID FILLER BODIES, THE TIME OF DISSOLVING BEING SUFFICIENT TO DISSOLVE ENOUGH OF SAID FILLER BODIES SO THAT BRIDGES OF THE DISSOLVED PORTION OF SAID FILLER BODIES CAN FORM BRIDGES AFTER SAID LIQUID IS REMOVED, AND REMOVING SAID LIQUID SO THAT A LIQUID FILM REMAINS ON SAID BODIES, SAID FILM CONSTITUTING A LIQUID MEDIUM MENISCUS AT THE POINTS OR EDGES OF CONTACT OF SAID BODIES, WHEREBY BRIDGES OF SAID DISSOLVED PORTION SAID FILLER BODIES FORM BETWEEN SAID FILLER BODIES, (D) FILLING THE FRAME WITH A PHYSIOLOGICALLY SUITABLE AND BIOLOGICALLY COMPATIBLE CASTABLE OR POURABLE CERMAIC MASS, AND (C), AFTER AT LEAST A PARTIAL HARDENING OF THE CERAMIC MASS, DISMANTING OR DECOMPOSING AND REMOVING THE FRAME, WHEREBY SAID DESIRED FINISHED PRODUCT OR SAID CERAMIC MATERIAL IS OBTAINED.