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BIOLOX® Material Combinations
Taper Fixation
A taper fixation is made up of a stem taper and a taper in the femoral ball head (drill hole). Each of these tapers has characteristic properties such as taper angle, diameter, straightness and roundness and surface properties, which are essential for a precise matching of the components. For secure taper locking, the fit of the taper fixation between the femoral ball head and the stem taper is very important.
There is still no standard for the stem taper. Implant manufacturers continue to use tapers with their own specifications (for example, various 12/14 tapers), which differ in terms of geometry, structure and surface properties. The intervals between the neck lengths (S, M, L and XL) are also not standardized and can vary from manufacturer to manufacturer by several millimeters.
It is vital that surgeons combine only those arthroplasty stems and femoral ball heads that the implant manufacturer has declared to be compatible. The implant manufacturers are responsible for the release of the stem taper / femoral ball head combinations and supply the components to the hospitals. The surgeon must comply with the details regarding approved combinations provided by the implant manufacturer in the instructions for use and other written information.
For more information please see the brochure “The Neck Taper in Hip Arthroplasty”.
Recommended Contacts
Please click on the button “Contacts” to the right, to get a list with the personal and direct responsible contacts within the CeramTec Group.
- Surgeons all over the world put their faith in our pink-colored BIOLOX®delta ceramic.
- The very color gives surgeons the certainty that they’re using implants of the highest quality and reliability for their patients – from CeramTec.
- BIOLOX®delta is the only ceramic with 15 years of successful clinical experience and with more than 8 million sold components.
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BIOLOX®delta and BIOLOX®forte ball heads and inserts, BIOLOX®OPTION, as well as the knee implants made of BIOLOX®delta are registered by CeramTec's customers. They are not registered /available in all countries. BIOLOX®DUO is registered by CeramTec‘s customers only in Japan. BIOLOX®CONTOURA and the shoulder implants made of BIOLOX®delta are under development and not approved by any authorities. The H1 Anatomic Ceramic Hip Resurfacing made of BIOLOX®delta is in clinical investigation in the EU by Embody Orthopaedic Ltd. The H1 is an investigational device currently undergoing clinical evaluation in a trial approved both ethically and by the MHRA. The H1 Anatomic Ceramic Hip Resurfacing is not approved by any authorities. Note for USA: CAUTION – BIOLOX®CONTOURA as well as the knee, shoulder and resurfacing implants made of BIOLOX®delta are under development and not approved by the FDA. BIOLOX®DUO is not cleared or approved by the FDA for distribution in the United States.