The stem used in this RCT was supplied with three tantalum markers, one of which was attached to a cone in the neck, the second in the medial side of the collar and the third on the distal tip of the stem. (C) CoCrMo 28 mm femoral head (left) and Oxinium 28 mm femoral head (right). Spectron EF stem taper size 12/14, standard offset (in the middle). (D) Reflection All‐Poly UHMWPE cup. " width="100%" height="100%">
Journal: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Article Title: Similarly low blood metal ion levels at 10‐years follow‐up of total hip arthroplasties with Oxinium, CoCrMo, and stainless steel femoral heads. Data from a randomized clinical trial
doi: 10.1002/jbm.b.35193
Figure Lengend Snippet: (A) Charnley flanged 40 monoblock, oval, 316 L stainless steel, matte surface (Ra 0.8 μm) femoral stem with a 22.2 mm head, which articulated with a Charnley Ogee UHMWPE acetabular cup. (B) Spectron EF CoCrMo femoral stem with a 28 mm CoCrMo modular femoral head, retrieved from study case n° 819, with abrasive marks on the stem‐cement interface, mainly on the posterior‐distal‐medial side. The collared Spectron EF stem was fabricated with a matte distal surface (Ra 0.7 μm) and a grit blasted roughened surface (Ra 7.3 μm) on the proximal third of the stem. The neck and collar are highly polished. 15 The stem used in this RCT was supplied with three tantalum markers, one of which was attached to a cone in the neck, the second in the medial side of the collar and the third on the distal tip of the stem. (C) CoCrMo 28 mm femoral head (left) and Oxinium 28 mm femoral head (right). Spectron EF stem taper size 12/14, standard offset (in the middle). (D) Reflection All‐Poly UHMWPE cup.
Article Snippet: The other four groups received a Spectron EF CoCrMo femoral stem (Figure ) with either a 28 mm CoCrMo or a 28 mm Oxinium femoral head (Figure ), which articulated with either an ethylene oxide‐sterilized Reflection All‐Poly UHMWPE cup or a Reflection All‐Poly highly cross‐linked polyethylene (XLPE) cup (Smith&Nephew, UK) (Figure ).
Techniques: