Cemented or non-cemented femoral stem IntraBlock™ TwinStem™

The non-cemented stems are made of a titanium alloy. They are coated with TPS (Titanium Plasma Spray) and BONIT® in the proximal area of the hip stem. The cemented versions of the hip stems are made of Vivium®, and are available in seven sizes. Cemented and non-cemented IntraBlock™ TwinStem™ prosthetic stems are available in eight sizes apiece for Standard and Lateral variants. Properties / technical data Allows 6 mm lateralisation by shifting the femoral neck axis of the implant in conjunction with an offset extension for the lateral variant The 12/14 stem taper corresponds to Merete taper specifications and can be combined with the BioBall™ system or Merete heads, i.e. metal heads with Merete GmbH XPE inlays and BIOLOX® delta* ceramic heads with BIOLOX® delta* inlays or XPE inlays Non-cemented stem material: TiAl6V4 ELI alloy (DIN EN ISO 5832-3) with TPS coating and BONIT® Cemented stem material: Vivium®** (High Nitrogen Stainless Steel DIN ISO 5832-9) *BIOLOX® delta is a registered trademark of CeramTec GmbH. **Vivium® (High Nitrogen Stainless Steel DIN ISO 5832-9) is a registered trademark of Merete GmbH. Indications Advanced wear of the hip joint secondary to the degenerative and rheumatic diseases or post-traumatic disorders, including advanced avascular head necrosis, which cannot be treated conservatively or by using joint salvage surgical techniques