What is it about?

The aim of this paper is to present the main results of a research project finished in 2008 which concerned the selective laser melted (SLM) prototype of a new kind of minimally invasive resurfacing hip arthroplasty (RHA) endoprosthesis with the original multi‐spiked connecting scaffold (MSC‐Scaffold). Previous attempts performed in the pre‐Direct Metal Manufacturing (DMM) era demonstrated that it was impossible to manufacture suitable prototypes of this RHA endoprosthesis (especially of the MSC‐Scaffold) using traditional machining technologies. Owing to the extensive development of DMM technologies observed in recent years the manufacturing of such prototypes has become possible.

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Why is it important?

For the first time, largely owing to selective laser melting technology, it was possible to manufacture the prototype of the original minimally invasive resurfacing hip arthroplasty endoprosthesis with the multi-spiked connecting scaffold suitable for further research.

Perspectives

It was found that selective laser melting can be successfully applied to the manufacturing prototypes of the original minimally invasive resurfacing hip arthroplasty endoprosthesis. The manufacturing quality of the 3D spikes system of the multi-spiked connecting scaffold, which mimics the interdigitations of articular subchondral bone, has been proved to be geometrically corresponding to the biological original.

Dr Mariusz Winiecki
Uniwersytet Kazimierza Wielkiego

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This page is a summary of: Selective laser melted prototype of original minimally invasive resurfacing hip endoprosthesis, Rapid Prototyping Journal, January 2011, Emerald,
DOI: 10.1108/13552541111098653.
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