Title: Articulatory endoprostheses of nonmetallic materials

Abstract: An articulatory endoprosthesis having bearing surfaces of dense aluminum oxide ceramic are provided with anchoring elements formed from hot-pressed compounds of silicon with carbon and/or nitrogen having a bending strength of more than 600 N/mm.sup.2 ; preferred compositions comprise silicon nitride and silicon carbide.

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Inventors: Heimke, Gunther (Weinheim, DE, US)

Application Number: 915779
Filing Date: 1978-06-15
Publication_date: 1980-01-22
Assignee:
Primary Class(es): 623/23.61
Other Classes:
US Patent Ref:

3924275	Dec, 1975	Heimke et al.	3/1.
4012795	Mar, 1977	Doore et al.	3/1.
4031571	Jun, 1977	Heimke et al.	3/1.

Other Refs: 2134316232486524512752461339

Jan, 1972	DE
Nov, 1974	DE
May, 1976	DE
Jul, 1976	DE

Primary Examiner: Frinks, Ronald L.
Assistant Examiner:
Attorney: Fisher, Christen & Sabol