强生 狂关节置换与假体设计PPT.pptx

CORAIL? SYSTEM CORAIL? SYSTEM DESIGNERSARTRO GROUP FOUNTED IN 1981HISTORICAL RECORD历史回顾 1984 TITAN stem launched钛合金柄上市 1985 Clinical trails of TITAN / HA临床试验 1986 1st implantation of the CORAIL? stem 第一个假体柄植入体内 1996 FDA approval FDA 通过 2005 Corail AMTCORAIL? DESIGN PRINCIPL设计原理SURFACE TREATMENT表面处理RANGE OF IMPLANTS假体尺寸SURGICAL TECHNIQUE外科技术CLINICAL RESULTS临床结果CORAIL? DESIGN PRINCIPLES设计原理FEMORAL HEADS 股骨头Alumina (Biolox Forte)氧化铝Tribological properties摩擦学属性Compatible with alumina or cobalt chrome liners 与氧化铝或钴铬内衬匹配CORAIL? DESIGN PRINCIPLES设计原理Straight stem直柄Thin distal tip远端较细CORAIL? DESIGN PRINCIPLES设计原理135° neck angle 颈干角12/14 Morse taper锥度Progressive offset 偏心距逐渐扩大CORAIL? DESIGN PRINCIPLES设计原理四边形横截面轴向及旋转稳定性CORAIL? DESIGN PRINCIPLES设计原理Double taper geometry gives stero-stability 双锥度设计提供 立体稳定性CORAIL? DESIGN PRINCIPLES设计原理Progressive horizontal macrostructure on the proximal stem柄的近端逐渐扩大的横行结构CORAIL? DESIGN PRINCIPLES设计原理Horizontal proximal macrostructure近端横行结构 Size 9 = 11 grooves沟 Size 20 = 21 grooves沟CORAIL? DESIGN PRINCIPLES设计原理Vertical distal macrostructre 远端垂直结构CORAIL? DESIGN PRINCIPLES设计原理Optional collar for calcar loading股骨距负荷-带领，不带领CORAIL? DESIGN PRINCIPLES设计原理HYDROXYAPATITEBioactive coating生物活性涂层BONE COMPOSITION骨组成ORGANIC PHASE 有机期 30% collagen胶元, specific proteins特殊蛋白质MINERAL PHASE 矿物质期60% carbonated apatite 碳酸磷灰石WATER水 10% HYDROXYAPATITE羟基磷灰石Chemical Formula 化学分子式 Ca10 (PO4)6 (OH)2 Similar to the mineral phase of human bone与人类骨的矿物质期相似 Biocompatible, non resorbable生物相容，不可吸收Osteo-conductive properties骨传导性HYDROXYAPATITENON TOXIC无毒NON INFLAMMATORY不引起炎症反应NON ALLERGIC无过敏反应NON CARCINOGENIC不引起癌症HYDROXYAPATITECoating thickness涂层厚度 = 150μmCoatings 75μm ? early resorbtion 早期吸收Coatings 200μm ? risk of delamination 脱层的危险HYDROXYAPATITEADVANTAGES优点 Increased bone ingrowth 增加骨内生No fibrous tissue interposition无纤维组织插入Gap filling孔隙充填HYDROXYAPATITENO FIBROUS TISSUE INTERPOSITION 无纤维组织插入 New bone formation 新骨形成 HA coating HA涂层 Metal 金属HYDROXYAPATITEWhy is Cor