Berend Denkena

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BACKGROUND Material wear testing is an important technique in the development and evaluation of materials for use in implant for total knee arthroplasty. Since a knee joint induces a complex rolling-gliding movement, standardised material wear testing devices such as Pin-on-Disc or Ring-on-Disc testers are suitable to only a limited extent because they(More)
BACKGROUND Ceramic materials are used in a growing proportion of hip joint prostheses due to their wear resistance and biocompatibility properties. However, ceramics have not been applied successfully in total knee joint endoprostheses to date. One reason for this is that with strict surface quality requirements, there are significant challenges with regard(More)
For the b etter part of the 20 th century many large companies have b een focussed on optimizing their mass production process as a way of maximizing their profits. Nowadays, in the existing environment of glob al competitiveness, enhancing the production process remains a significant issue as well. Product configuration b ased on integrated modular product(More)