Surgical prosthesis with grainy surface

Details Surgical prosthesis with grainy surface Surgical prosthesis with grainy surface

1979-11-05

1982-10-26

Eickholt, E. H.

A61F 120

Patent

active

043554288

ABSTRACT:
The invention relates to a process for manufacture of parts having a grainy surface and to parts obtained by this process. The process comprises making a rough wax pattern of the desired part, applying fusible particles to the surface of said pattern, obtaining a refractory mold from said pattern, and casting a material in the mold to form the finished part after removal of the mold. The resulting part has a grainy surface.
The invention applies in particular to the manufacture of stems of articulating prostheses to be inserted into bone without addition of cement.

REFERENCES:
patent: 2258207 (1941-10-01), Irwin
patent: 2599044 (1952-06-01), Brennan
patent: 2936490 (1960-05-01), Mason
patent: 3375582 (1968-04-01), Myerson
patent: 3729825 (1973-05-01), Linkow et al.
patent: 3760502 (1973-09-01), Hirsch
patent: 3826241 (1974-07-01), Bucalo
patent: 3829972 (1974-08-01), Pasqualini et al.
patent: 3855638 (1974-12-01), Pilliar
patent: 3905047 (1975-09-01), Long
"The Dental Laboratory", Official Publication of the Association of German Dental Technician's Guilds, 6-14-65, p. 239.

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