IMPLANT INFORMATION: Skeletal System (“Endoprosthesis”)


What … for? (Indications)Skeleton implants serve for the replacement of bone structures or joints, e. g. hip endoprosthesis, osteoarthritis (pain), fractures and more special diseases.
NumbersKnee 49%, Hip 42% (global, 2012) 310.800, hip endoprostheses, U.S.A. (2010) 400.000, joint implants (220.000 hip, 150.000 knee, Germany 2014)
TimesDependend on technique mobilization is possible after 1 -7 days. Rehabilitation happens after 6-12 weeks dependend on many individual factors.
Risks (Contraindications)short term:Inflammation, thrombosis, hematoma, injury of nerves or vessels, hemorrhagia, metal hypersensitivity, metal toxicity, leg length inequality.
long term:Loosening, dislocation, osteolysis, inflammation, chronic pain, death (<1%).
Failures5% after 1st surgery
Materials availableTitanium (TiAl6V4 a.o.), CoCrMo-alloys, Polyethylen (Teflon), PMMA
StatisticsHip replacement lasts 25 years in around 58% of patients (The Lancet, 2019)
95% more than 10 years
90% 20 years, 95% are satisfied, 2017: failure rate 2,2 – 3,2% (3rd year)(hip, Germany, Dtsch Ärzteblatt 2018)
LiteratureBasicPatient Information (manufacturer/Zimmer) (english)
Endoprotheses: regaining independence and mobility (english)
Endoprothetik – Zwischen Anspruch und Realität (german)
PreventionAge-in-Place Home Improvements: A Room-by-Room Guide (Kris Lindahl Real Estate)
ProblemsHip-Replacement-Recalls (Drugwatch)
103.104 hip prosthesis injuries between 2008-2017, USA (AP/FDA) 2018
Selbsthilfegruppe für schadhafte Hüftprothesen (german)
Der Spiegel: Rückruf von Hüftgelenksprothesen (german)
Kniearthrose (Gonarthrose)
Science/Future3D-printed spine
Register (links)Canadian Joint Replacement Registry (Canada)
Czech National Register of Joint Replacement (NRKN, Czech Republic) Deutschland Endoprothesenregister (german)
Romanian Arthroplasty Register (Romania)
Slovak Arthroplasty Register (Slovakia)
Swedish Hip Arthroplasty Register (swedish)
UK National Joint Registry (UK)
Gelenkersatz: Anwendungsstandards und Register verbessern Qualität (german)
Register und Netzwerke: Zusammenarbeit ist wichtig für den Erfolg (german)In the register of the registries you can check which ones are available.
If your implant is not covered:
The Implant-Register offers registration of implants online (fee) and you can download a printable version (free) for your personal use.
The information and links and whatsoever shown on this page are compiled with care. However, Implant-Register can´t take any responsibility for the information given, nor their content, nor their up-to-date nature, particularly in interlinked pages. You may help us with your contribution, granting us the decision to publish or not. Be careful with conclusions for yourself, in doubt double-check and consider medical solutions are individual and have to be found with an educated medical person.
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