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    • 12. 发明授权
    • Apparatus for releasing a self-expanding endoprosthesis
    • 用于释放自膨胀内置假体的装置
    • US5919204A
    • 1999-07-06
    • US249821
    • 1994-05-26
    • Goran LukicEugen Hofmann
    • Goran LukicEugen Hofmann
    • A61B17/00A61F2/06A61F2/84A61M29/00
    • A61F2/95A61F2/966
    • When installed in the device, the endoprosthesis is compressed radially and located in a cylindrical chamber (14), one proximal area (A) of this endoprosthesis lies within a first outer catheter (3) and a second distal area (B) is in a second outer catheter (30). In order to release the endoprosthesis (1) in a vessel (11), for example, the second outer catheter (30) is first retracted. The endoprosthesis (1) is then held in the first outer catheter (3) by friction and can be re-folded and thus repositioned by advancing the second outer catheter (30). Finally, the endoprosthesis (1) is released by retracting the first outer catheter (3). Because the friction is distributed over at least two outer catheters (3, 30), even endoprostheses (1) that generate a high level of friction on the outer catheter, for example because of a coating, of greater expansion force, or because of great length, can be released.
    • 当安装在装置中时,内假体被径向地压缩并且位于圆柱形腔室(14)中,该内用假体的一个近侧区域(A)位于第一外导管(3)内,第二远端区域(B)处于 第二外导管(30)。 为了在容器(11)中释放内用假体(1),例如,第一外导管(30)首先缩回。 内置假体(1)然后通过摩擦保持在第一外导管(3)中,并且可以通过前进第二外导管(30)被重新折叠并因此重新定位。 最后,通过缩回第一外导管(3)来释放内假体(1)。 因为摩擦分布在至少两个外部导管(3,30)上,甚至是在外部导管上产生高水平摩擦的假体内(1),例如由于涂层而具有较大的膨胀力,或者由于较大的膨胀力 长度,可以释放。
    • 16. 发明授权
    • Catheter with a stent
    • 导管与支架
    • US5725571A
    • 1998-03-10
    • US752273
    • 1996-11-20
    • Christian ImbertEugen HofmannMarc Gianotti
    • Christian ImbertEugen HofmannMarc Gianotti
    • A61M25/00A61F2/90A61M27/00A61F2/06A61M29/00
    • A61F2/95A61F2/90A61F2/966
    • A catheter with a self-expanding stent of a permeable mesh of stiff intersecting fibers is provided. A tubular outer catheter shaft holds the stent under tension at its distal end and from which the stent can be released for placement. A displaceable inner catheter inside the tubular outer catheter shaft supports the stent axially at its proximal end. In order to release the stent, the outer catheter shaft is retracted with respect to the inner catheter. A process for producing this catheter is also described. The stent is secured by gripping it at its proximal end in such a way that it forms a permeable mesh cone that expands automatically together with the stent and has a radius that increases gradually to the radius of the relaxed stent. The stent is securely anchored on the inner catheter with the help of the mesh cone.
    • 提供了具有刚性交叉纤维的可渗透网的自膨胀支架的导管。 管状外导管轴将支架保持在其远端处的张力处,并且支架可以从该导管释放以放置。 管状外导管轴内的位移内导管在其近端轴向支撑支架。 为了释放支架,外导管轴相对于内导管缩回。 还描述了用于生产该导管的方法。 通过在其近端处夹持支架来固定支架,使得其形成与支架一起自动扩张的可渗透的网孔,并且具有逐渐增加到松弛支架的半径的半径。 借助于网孔,支架可靠地固定在内导管上。
    • 17. 发明授权
    • Catheter with a stent
    • 导管与支架
    • US5607466A
    • 1997-03-04
    • US433281
    • 1995-04-28
    • Christian ImbertEugen HofmannMarc Gianotti
    • Christian ImbertEugen HofmannMarc Gianotti
    • A61M25/00A61F2/90A61M27/00A61F2/06A61M5/178A61M29/00
    • A61F2/95A61F2/90A61F2/966
    • A catheter with a self-expanding stent of a permeable mesh of stiff intersecting fibers is provided. A tubular outer catheter shaft holds the stent under tension at its distal end and from which the stent can be released for placement. A displaceable inner catheter inside the tubular outer catheter shaft supports the stent axially at its proximal end. In order to release the stent, the outer catheter shaft is retracted with respect to the inner catheter. A process for producing this catheter is also described. The stent is secured by gripping it at its proximal end in such a way that it forms a permeable mesh cone that expands automatically together with the stent and has a radius that increases gradually to the radius of the relaxed stent. The stent is securely anchored on the inner catheter with the help of the mesh cone.
    • 提供了具有刚性交叉纤维的可渗透网的自膨胀支架的导管。 管状外导管轴将支架保持在其远端处的张力处,并且支架可以从该导管释放以放置。 管状外导管轴内部的位移内导管在其近端轴向支撑支架。 为了释放支架,外导管轴相对于内导管缩回。 还描述了用于生产该导管的方法。 通过在其近端处夹持支架来固定支架,使得其形成与支架一起自动扩张的可渗透的网孔,并且具有逐渐增加到松弛支架的半径的半径。 借助于网孔,支架可靠地固定在内导管上。