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Cementless femoral stem Bencox® II

cementless femoral stem
cementless femoral stem
cementless femoral stem
cementless femoral stem
cementless femoral stem
cementless femoral stem
cementless femoral stem
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Characteristics

Fixture type
cementless

Description

Femoral Component Femoral Component is a typical double-tapered wedge stem, designed to suit the anatomical structure in the marrow cavity. The section is rectangular-shaped, allowing a strong initial press-fit fixation in the femoral marrow cavity. There are 15 sizes covering a developmental dislocation of a hip joint to a large marrow cavity. MAO (Micro Arc Oxidation) To maximize bone ongrowth, the surface of the Femoral Stem is treated with micro arc oxidation, maintaining average 5.5im of surface roughness. Micro arc oxidation has 1 -5#ni diameter of numerous porosity structure, maximizing the contacting area with the surrounding bone and assisting in adhering the osteoblast. Also, MAO contains calcium and phosphate, the principal components of bones, on its surface which provides an excellent environment for bone ongrowth. Grit-Blasting Surface The Bencox Stem is manufactured from titanium alloy (Ti6A|4V ELI), according to ASTM F136 / ISO 5832-3 and has a proven grit blasted surface finish (4-6/an) with about two decades of clinical experience. Wide Range of Motion The innovative design on the 'Neck' of the Femoral Component (Patent #: 7311735, USA / ZL 2005 1 0081090.4, China / 10-0566584, Korea) minimizes possible impingement when flexing and extending a joint; using a 32mm or 36mm head maximizes the range of motion.^ Femoral-Neck Resections After the exposure of the hip joint via the surgical approach, femoral-neck resection can be carried out, following the gentle dislocation of the femoral head. If dislocation is difficult, the femoral head can be removed using a cork screw after neck resection.

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