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Endoprosthesis component
专利权人:
Helmut D. Link
发明人:
Helmut D. Link
申请号:
US12234468
公开号:
US08241361B2
申请日:
2008.09.19
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An endoprosthesis component is formed from a ceramic material and in which the ceramic material is partially coated with a titanium alloy. An uncoated surface portion of the endoprosthesis component is designed to interact as slide surface with another endoprosthesis component. A coated surface portion of the endoprosthesis component is designed to establish a connection to a bone. The part of the ceramic material forming an interface to the coating has a roughness Ra of between 2.5 μM and 7 μM, creating a firm connection between the coating and the ceramic material. The invention further relates to a method for producing such an endoprosthesis component. To achieve the desired roughness of the surface, the ceramic component is presintered at a temperature of between 880° C. and 980° C. and is then treated with a blasting material.
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