oxford單髁學習-microplasty工具及技術

OxfordMicroplasty

工具及技術LindaLi2013-11-30CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨準備目的最大可能減少截骨深度保留盡可能多的骨表面積降低再次截骨發(fā)生率合適的后傾角度CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.SizingSpoons股骨測量勺測量勺半徑與股骨半徑相匹配測量勺厚度分別為1mm,2mm,3mm可以連接到脛骨觸針當與g-clamp連接時要與股骨部分緊貼以避免滑動ABCDCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨觸針“G-Clamp”與股骨測量勺相連接可以沿著脛骨截骨快滑動拔起時可以鎖定分3,4兩號，分別用于3,4mm墊片ABCD**脛骨截骨的厚度，相當于股骨髁脛骨底板加半月板墊片厚度的總和3.5mm脛骨底板+4mm墊片=7.5mmCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨截骨模塊及截骨墊片在矢狀位及冠狀位與脛骨機械軸平行截骨模塊自帶7°后傾模塊式墊片分0mm和+2mm兩種，帶開槽墊片可選Medialpinholeoptionhelpspreventplateaufracturebynotavoidingpinholesbelowhorizontalcut？DCA7oBCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨準備脛骨后傾角度設定平行于脛骨脊7d°后傾新的踝部定位避免過度后傾脛骨釘定位CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.2cm測量勺置于股骨髁正后方默認尺寸為1mm，2,3mm可選獲得合適的韌帶張力選擇3或4號G-clamp將測量勺和脛骨定位桿鎖定在一起CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨準備脛骨垂直截骨非常重要M/L位置盡可能接近ACL韌帶止點旋轉定位鋸片指向髂前上棘（ASIS）或略偏內側注意深度，不要提起鋸片CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨準備“回旋式”截骨注意保護MCL脛骨要截平或使用帶槽墊片墊片可選：額外加截2mmCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.脛骨準備目的與IM定位桿一起更精確的完成對線提高股骨定位的可復制性CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.股骨準備可連接的髓內IM定位桿中空的定位桿可旋轉的裝置根據股骨尺寸旋轉定位ABCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.股骨鉆孔導向器用來調節(jié)髁厚度以確定屈膝間隙IM連接孔設定v/v在7°設定flex/ext在10°股骨M-L形狀幫助設定假體位置狹窄的后髁幫助避免后中部骨贅的干擾寬的后髁底部：緊貼脛骨垂直截骨面幫助判斷墊片是否受外側壁的干擾CBAEDCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.中空的IM定位桿Flexion/extension伸曲Varusvalgus內外翻初始定位很重要柔性推進CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.股骨準備將連接器直臂裝在IM定位桿上彎臂裝在股骨導向器上導向器的足頂住脛骨截骨面股骨面在中三分之一處定位準確后再開始鉆孔鉆孔角度為10o

屈曲7o

外翻4mm6mmCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.股骨準備技術特點與股骨長軸相比有10°的屈曲角度“high-flex”高屈曲假體設計沒有邊緣荷載在深度屈曲時增加接觸面積10°CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.開槽的股骨后髁截骨導向器可控制的開槽設計提供截骨時的穩(wěn)定性可控制的弧線設計Capturecurvesforward便于鋸片置入不會影響軟組織ABCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.標準的初次研磨技術“0”號研磨栓CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.股骨準備間隙評判采用單柱股骨假體試模新的錐度間隙測量器減少軟組織的干擾確定間隙標準的研磨方法用以明確伸曲平衡1,2,3mm三種間隙測量器CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.避免碰撞目的減少早期及遠期并發(fā)癥避免采用傳統(tǒng)的“手工”技術CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.防碰撞導向器及磨銼有尺寸的不同，用以清除遠側髁截骨的周緣余骨，以避免伸膝時的碰撞合并使用后髁骨刀槽ACCONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.最后試模手工植入墊片試?？梢愿玫馗惺芩删o度評估活動軌跡檢查有否碰撞CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.移除墊片試模CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.OxfordTwinPeg股骨假體CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.設計特點均勻的球形設計，全方位的活動，減少接觸應力內部弧形幾何學設計減少截骨圓滑的邊角設計，減少軟組織損傷雙柱設計增加旋轉穩(wěn)定性。CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFORDISTRIBUTION.增加旋轉穩(wěn)定性前柱采用現有的4mm股骨鉆與生物型股骨部件在幾何學設計上一致CONFIDENTIAL-IntendedsolelyBiometDistributorsandtheirsalesassociates.NOTFOR