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    • 2. 发明公开
    • DISPOSITIF TRANSCATHETER POUR L'ABLATION DE TISSUS CALCIFIES AU NIVEAU DES VOLETS D'UNE VALVE AORTIQUE
    • KATHETERVORRICHTUNG ZUR ABLATION VON VERKALKTEM GEWEBE AN DEN KLAPPEN EINER AORTENKLAPPE
    • EP3151763A1
    • 2017-04-12
    • EP15733805.4
    • 2015-06-04
    • AORTICLAB SARLCentre Hospitalier Universitaire De Saint Etienne
    • PAIN, BernardVOLA, MarcoPASQUINO, Enrico
    • A61B17/22A61F2/24
    • A61B17/320783A61B17/2202A61B17/320758A61B2017/22038A61B2017/22071A61B2017/22079A61B2017/22098A61B2017/320791A61B2090/3966A61F2/2496
    • This transcatheter device for the ablation of calcified tissue at the flaps of an aortic valve, is characterised in that it comprises a flexible body (1) acting as a catheter and having a soft and flexible end piece (2) that engages with a previously inserted wire guide (g) suitable for passing through the flaps of the valve above the part where the calcified tissue needs to be removed, said end piece (2) having at least one cutting system (3) comprising two motorised rotating cutting heads (3a) and (3b) disposed coaxially one above the other, the head (3a) located at the end of the end piece and acting first to remove the calcified tissue, has arrangements suitable for making a rough cut by grinding, while the other head (3b) has arrangements suitable for making a fine cut by grinding, said cutting system being mounted in combination with a vacuum suction means (4), said end piece (2) being provided with an adjustable guide means (5) suitable for engaging with the calcified tissue over the course of the ablation operation performed by the cutting system (3) in combination with a spiral path effect applied to the end piece.
    • 用于在主动脉瓣的瓣片处消融钙化组织的经导管装置的特征在于,其包括用作导管的柔性体(1),并且具有柔软且柔性的端部件(2),其与先前插入的 所述端部件(2)具有至少一个切割系统(3),所述切割系统(3)包括两个电动旋转切割头(3a),所述切割系统(3)包括两个电动旋转切割头(3a) 和(3b)彼此同轴地设置,位于端件端部并首先起作用以移除钙化组织的头部(3a)具有适于通过研磨进行粗切割的结构,而另一个头部(3b) )具有适于通过研磨进行精细切割的布置,所述切割系统与真空抽吸装置(4)组合安装,所述端部件(2)设置有适于与钙化的接合的可调导向装置(5) 组织ove r由切割系统(3)执行的消融操作的过程与施加到端部件的螺旋路径效应相结合。
    • 7. 发明公开
    • DISPOSITIF D'INTRODUCTION TRANSCATHETER DANS LA RACINE AORTIQUE AU NIVEAU DE LA JONCTION SINO TUBULAIRE
    • VORRICHTUNGFÜRDEN KATHETEREINSATZ IN DIE AORTENWURZEL AN DER SINOTUBULAREN VERBINDUNG
    • EP3151783A1
    • 2017-04-12
    • EP15733803.9
    • 2015-06-04
    • AORTICLAB SARLCentre Hospitalier Universitaire De Saint Etienne
    • PAIN, BernardVOLA, MarcoPASQUINO, Enrico
    • A61F2/01A61F2/24
    • A61F2/013A61F2/2412
    • This device for transcatheter insertion into the aortic root at the sinotubular junction by means of a wire guide and a catheter (1) with a means for protecting the surrounding tissues
      is characterised in that it comprises an assembly (E) acting as a valved embolic filter, mounted with the ability to slide in a guided manner into said catheter (1), said assembly (E) having arrangements capable of producing, in each aortic root (RA), a safety chamber carrying out a valve function and a protective function protecting against embolic accidents, said arrangements comprising a tubular body (2) secured, at one of the ends of same, to a part (2a) capable, as required, of being either deployed outside the catheter (1), or retracted into the catheter (1), said part (2a) having filtration arrangements combined with means capable of reproducing the temporary valve function corresponding to opening during the systolic phase and to closing during the diastolic phase in order to prevent any regurgitation of blood in a deployed position of said part to cover the native aortic valve with a seat secured in the aortic root at the sinuses of Valsalva without blocking the blood flow.
    • 该装置用于通过线导向器和具有用于保护周围组织的装置的导管(1)在导管(1)处经由导管插入主动脉根部的特征在于其包括用作阀瓣栓塞过滤器 安装有能够以导向方式滑入所述导管(1)的能力,所述组件(E)具有能够在每个主动脉根部(RA)中产生安全室,其执行阀功能和保护功能保护 所述装置包括一个管状体(2),该管状体(2)在其一个端部处固定到能够根据需要部署在导管(1)外部或缩回到导管内的部分(2a) (1),所述部分(2a)具有过滤装置,其结合了能够再现与收缩期期间的开放相对应的临时瓣膜功能的装置,并且在舒张期期间闭合以防止任何反流 在所述部分的展开位置处的血液覆盖原生主动脉瓣,其中座位固定在Valsalva窦的主动脉根部,而不阻塞血流。