This component is a prototype of a hip stem endoprosthesis, which shows the potential of additive manufacturing for medical applications, demonstrating the feasibility to integrate different functions in one part.
The inner cellular structure allows adaption of the implant’s stiffness and density to the patient needs (specific bone properties).
The Macro-porous surface structure can be applied either to selected surface areas or to the implant’s entire surface, enhancing the bone ingrowth (osseointegration).
Internal channels and cavities could provide a variety of integrated functions, e.g.:
- post-operative medical treatment using a drug depot (cavity)
- better implant fixation by inserting bio-resorbable filler material through the channels
- post-surgery endoscopic inspection through the channels
- AM-Technology used: Laser Beam Melting (LBM)
- Material: Ti-6Al-4V
Concept Study / Demonstrator
Müller, Bernhard; Töppel, Thomas; Rotsch, Christian; Böhm, Andrea; Bräunig, Jan; Neugebauer, Reimund (2012): Functional integration in implants through additive manufacturing technology and smart materials. European Forum on Rapid Prototyping; Rapid Prototyping & Manufacturing. AFPR. Paris (Frankreich), 12.06.2012.
Mueller, Bernhard; Toeppel, Thomas; Gebauer, Mathias; Neugebauer, Reimund (2011): Innovative features in implants through Beam Melting - a new approach for Additive Manufacturing of endoprostheses. In: Paulo Jorge et al Bártolo (Hg.): Innovative developments in Virtual and Physical Prototyping. 5th International Conference on Advanced Research in Virtual and Rapid Prototyping. Leiria, Portugal, 28 September - 1 October, 2011: CRC Press, S. 519–523.
Thomas Töppel, firstname.lastname@example.org, +49 351 4772 2152