METHOD OF PRODUCING A TUBE FOR USE IN THE FORMATION OF A STENT, AND SUCH TUBE
    2.
    发明公开
    METHOD OF PRODUCING A TUBE FOR USE IN THE FORMATION OF A STENT, AND SUCH TUBE 有权
    用于生产中使用的TUBUS这种支架要和TUBUS生产

    公开(公告)号:EP2909003A1

    公开(公告)日:2015-08-26

    申请号:EP13771185.9

    申请日:2013-09-24

    CPC classification number: B29C55/26 B29K2995/006

    Abstract: Bioresorbable polymeric tubes suitable for use in a stent have been produced by a using a die drawing technique, comprising: —deforming an orientable, thermoplastic polymer tubing (4) in the solid phase by drawing it over a mandrel (1) and/or through a die (3), where the mandrel (1) has a lead end and an exit end and the die (3) has an entry side and an exit side, wherein a drawing mechanism applies a drawing tension to the tubing (4) from the exit end of the mandrel (1) and/or the exit side of the die (3), said tension being insufficient to cause tensile failure of the tubing but sufficient to deform the tubing, thereby drawing the tubing over the mandrel (1) and/or through the die (3) in the solid phase to induce uniaxial or biaxial orientation of the polymer; and —collecting the deformed tubing from the exit end of the mandrel (1) and/or the exit side of the die (3).

    Abstract translation: 用于在支架使用已经由生物可吸收的生产高分子软管适合一个使用绘图技术中,包括:-deforming上取向,热塑性聚合物管(4)在通过绘制它在心轴上(1)和/或通过在固相 a是(3),其中,所述心轴(1)具有一个引线端,并在出口端与所述阴模(3)具有入口侧和出口侧,worin绘图机构施加一个拉伸张力到管道(4)从 心轴(1)和/或所述阴模(3)的出口侧的出口端,所述张力不足以导致管材的拉伸破坏但足以变形的管材,从而将所述管在所述心轴(1) 和/或通过在固相中以诱导聚合物的单轴或双轴取向的模头(3); 和-collecting从心轴(1)和/或管芯(3)的出口侧的出口端的变形管。

    Method of making expanded polytetrafluoroethylene products
    3.
    发明公开
    Method of making expanded polytetrafluoroethylene products 失效
    一种生产发泡Polytetrafluoroethylenprodukten方法

    公开(公告)号:EP2298537A3

    公开(公告)日:2015-08-12

    申请号:EP10181987.8

    申请日:1998-02-02

    Abstract: Method for shaping expanded polytetrafluoroethylene tubes into a shaped three-dimensional article, comprising the steps of extruding an admixture of polytetrafluoroethylene resin and lubricant into a tubular extrudate, drying the tubular extrudate of at least a major fraction of lubricant, longitudinally expanding the tubular extrudate to impart a polytetrafluoroethylene microstructure having a plurality of nodes interconnected by fibrils, at least partially sintering the longitudinally expanded tubular extrudate to impart a dimensional stability in the tubular extrudate greater than the unsintered tubular extrudate, radially expanding the at least partially sintered tubular extrudate to a diameter greater than that of the tubular extrudate by introducing the tubular extrudate into a constraining chamber having an inner surface and an inner diameter 200 to 400 % greater that the outer diameter of the tubular extrudate and by applying a radially directed force against the lumenal surface of the tubular extrudate, so that the outer surface of the tubular extrudate is radially expanded into intimate contact with the inner surface of the constraining chamber, engaging the radially expanded at least partially sintered tubular extrudate circumferentially about a shaping mandrel, the shaping mandrel having a three-dimensional conformation and heating the shaping mandrel and the at least partially sintered tubular extrudate, thereby shrinking the partially sintered tubular extrudate into intimate contact with the shaping mandrel thereby shaping the partially sintered tubular extrudate about the shaping mandrel.

    BALLOON TUBE, BALLOON, BALLOON CATHETER, AND BALLOON TUBE FABRICATION METHOD
    4.
    发明公开
    BALLOON TUBE, BALLOON, BALLOON CATHETER, AND BALLOON TUBE FABRICATION METHOD 审中-公开
    BALLONSCHLAUCH,BALLON,BALLONKATHETER UND HERSTELLUNGSVERFAHRENFÜRDEN BALLONSCHLAUCH

    公开(公告)号:EP2813256A1

    公开(公告)日:2014-12-17

    申请号:EP13746450.9

    申请日:2013-02-07

    Abstract: In a balloon tube (10) which is processed after it is mounted on a mold, a bag part (14) has a plurality of parts having a different drawability in a radial direction centered around an axial direction X, disposed along the axial direction X. The highest drawability part (11), which has the highest drawability, is disposed to separate from both ends of the bag part (14) in the axial direction X thereof. The balloon tube (10) is preferable to stably fabricate a balloon having a uniform film thickness.

    Abstract translation: 在将其安装在模具上之后加工的气囊管(10)中,袋部(14)具有多个沿着轴方向X的径向不同的拉伸性的部位,沿轴向X 具有最高可拉伸性的最高可拉伸性部分(11)设置成沿着袋部件(14)的轴线方向X从袋部分(14)的两端分离。 气囊管(10)优选稳定地制造具有均匀膜厚度的球囊。

    METHOD FOR MAKING EPTFE AND STRUCTURE CONTAINING SUCH EPTFE, SUCH AS A VASCULAR GRAFT
    7.
    发明授权
    METHOD FOR MAKING EPTFE AND STRUCTURE CONTAINING SUCH EPTFE, SUCH AS A VASCULAR GRAFT 有权
    工艺用于生产和膨体聚四氟乙烯THIS含膨体聚四氟乙烯结构,如支架移植体

    公开(公告)号:EP1838360B1

    公开(公告)日:2009-11-11

    申请号:EP05855763.8

    申请日:2005-12-29

    Abstract: A method for making a vascular graft includes providing a PTFE green tube extrudate (12) which is un-sintered, and then initially expanding the un-sintered extrudate (17) to produce an initial node and fibril micro-structure therein. This is followed by heating the extrudate to raise the temperature thereof for a time period of sufficient duration such that the extrudate is partially sintered. The partially sintered extrudate is subsequently expanded (25) to make the vascular graft. The subsequent expansion produces a subsequent node and fibril micro­structure in the vascular graft. An alternative method for making a vascular graft includes providing a PTFE green tube extrudate which is un-sintered, longitudinally expanding the un­sintered extrudate to form an ePTFE tube structure, and radially expanding the un-sintered ePTFE tube structure. ePTFE made according to the method is fabricated into various structures, such as tube structures, filament structures, and sheet structures.

    METHOD FOR SHAPING A MATERIAL OF RETICULAR STRUCTURE, INSTALLATION FOR IMPLEMENTING THE METHOD AND RETICULAR MATERIAL RESULTING FROM THE METHOD
    9.
    发明公开
    METHOD FOR SHAPING A MATERIAL OF RETICULAR STRUCTURE, INSTALLATION FOR IMPLEMENTING THE METHOD AND RETICULAR MATERIAL RESULTING FROM THE METHOD 有权
    法形成网络状的材料,工厂实现从过程的方法和网络类材料

    公开(公告)号:EP2006077A2

    公开(公告)日:2008-12-24

    申请号:EP07730429.3

    申请日:2007-04-03

    Abstract: Method for shaping a material with a reticular structure, plant for performing same and reticular material resulting from the method.
    This method is applicable for handling a reticular tubular structure, in particular one of those obtained by extruding a synthetic plastics material, wherein its filaments, which form the sides of the net mesh, have a greater thickness at the crossover points than the actual thickness of the filaments.
    This method consists in the synthetic plastics material with a reticular tubular structure being subjected, while hot and with its tubular flattened shape, to two-dimensional molecular orientation operations, through drawing, followed by an operation to equal the thicknesses of the reticular tubular reticular structure by laminating it in a calendering machine.

    Abstract translation: 用于成形材料与网状结构的方法,计划用于执行相同和网状材料的方法得到。 这种方法适用于处理一个网状的管状结构,特别是其中的一个通过挤压合成塑料材料,worin其长丝,其形成网眼的侧面获得,以比实际厚度的交叉点具有更大的厚度 细丝。 besteht在合成塑料材料具有网状的管状结构经受趁热并用其管状此方法扁平形状,以二维分子取向的操作,通过图中,然后在外科手术为等于网状管状网状结构的厚度 通过在压延机将其层叠。

    METHOD OF MAKING EXPANDED POLYTETRAFLUOROETHYLENE PRODUCTS
    10.
    发明授权
    METHOD OF MAKING EXPANDED POLYTETRAFLUOROETHYLENE PRODUCTS 失效
    制造扩展聚四氟乙烯产品的方法

    公开(公告)号:EP0956189B1

    公开(公告)日:2006-11-02

    申请号:EP98908467.8

    申请日:1998-02-02

    Abstract: A method of shaping three-dimensional products by manipulating an expanded polytetrafluoroethylene tubular body into a desired three-dimensional conformation. The present invention entails radially expanding a longitudinally expanded polytetrafluoroethylene (ePTFE) tube (48) to form a radially expanded ePTFE (rePTFE) tube, engaging the rePTFE tube circumferentially about a shaping mandrel (50, 70, 140), heating the assembly to a temperature below the crystalline melt point temperature, or sintering temperature, of polytetrafluoroethylene to radially shrink the diameter of the rePTFE tube into intimate contact with the shaping mandrel, and heating the assembly to a temperature above the crystalline melt point temperature of polytetrafluoroethylene to amorphously lock the microstructure of the shaped polytetrafluoroethylene body.

    Abstract translation: 通过操纵膨胀的聚四氟乙烯管状体成为所需的三维结构来成形三维产品的方法。 本发明需要径向扩张纵向膨胀的聚四氟乙烯(ePTFE)管(48)以形成径向膨胀的ePTFE(rePTFE)管,使rePTFE管沿周向与成型心轴(50,70,140)接合,将组件加热到 温度低于聚四氟乙烯的结晶熔点温度或烧结温度,以使rePTFE管的直径径向收缩成与成型心轴紧密接触,并且将组件加热至高于聚四氟乙烯的结晶熔点温度的温度以无定形地锁定 成型聚四氟乙烯体的微观结构。

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