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    • 52. 发明授权
    • Prosthesis adapted for placement under external imaging
    • 假体适应放置在外部成像
    • US08157810B2
    • 2012-04-17
    • US10787307
    • 2004-02-26
    • Brian C. CaseJacob A. FlagleMichael L. GarrisonAndrew K. HoffaRay Leonard, II
    • Brian C. CaseJacob A. FlagleMichael L. GarrisonAndrew K. HoffaRay Leonard, II
    • A61F11/00
    • A61F2/2475A61B90/39A61F2/2418A61F2230/0026A61F2230/0095A61F2250/0098
    • A expandable prosthesis having an imageable structure comprising one or more elements visually distinguishable by an external (e.g., radiographic or ultrasonic) imaging system, the structure being located about a first axis that corresponds to a structural feature of the prosthesis that is configured to perform a specific function particular to that axis. The imageable structure is configured to assist in the rotational orientation of the prosthesis during placement within the implantation site. In one embodiment, the prosthesis comprises a venous valve that includes imageable elements or structure, such as a pair of radiopaque markers, that defines the orifice of the valve structure such that the orifice can be oriented with a particular anatomical feature under imaging, such as to align the orifice with the long axis of the vessel. In another embodiment, the imageable structure is configured to permit an aperture located about a stent graft to be oriented with a anatomical feature of the vessel, such as a branch vessel opening. The invention includes a method for using imageable structure to confirm that the orientation of the prosthesis within a delivery apparatus is consistent the desired delivery approach to be used.
    • 一种具有可成像结构的可扩张假体,其包括可由外部(例如,射线照相或超声)成像系统在视觉上区分的一个或多个元件,所述结构围绕与假体的结构特征对应的第一轴定位,所述第一轴构造成执行 特定于该轴的特定功能。 可成像结构构造成在放置在植入部位期间有助于假体的旋转取向。 在一个实施例中,假体包括静脉瓣,其包括可成像元件或结构,例如一对不透射线的标记,其限定瓣膜结构的孔,使得孔可以在成像下具有特定解剖特征,例如 以将孔与容器的长轴对准。 在另一个实施例中,可成像结构被配置为允许围绕支架移植物定位的孔与容器的解剖特征(例如分支血管开口)定向。 本发明包括一种使用可成像结构来确认假体在输送装置内的取向与所要使用的输送方法一致的方法。
    • 58. 发明授权
    • Prosthetic valve devices and methods of making such devices
    • 假体瓣膜装置及其制造方法
    • US07153324B2
    • 2006-12-26
    • US10909153
    • 2004-07-30
    • Brian C. CaseJacob A. Flagle
    • Brian C. CaseJacob A. Flagle
    • A61F2/06
    • A61F2/2412A61F2/2415A61F2/2418A61F2/2475A61F2220/0075
    • Prosthetic valve devices for implantation in body vessels, and methods of making same, are provided. The device has a main body with first and second ends and defining a lumen, with the second end being inverted into the lumen. A valve is disposed at the second end. In multiple valve devices, valves are disposed at the first and second ends, and individually may be inverted into the lumen. The prosthetic valve devices may further include a support structure such as a stent. Methods of making a prosthetic valve device include providing a main body having first and second ends and defining a lumen, forming a valve at the second end, and inverting the second end into the lumen. Methods may further comprise forming multiple valves and may also include attaching a support structure.
    • 提供用于植入体内血管的假体瓣膜装置及其制造方法。 该装置具有主体,其具有第一和第二端并且限定内腔,其中第二端被倒置成内腔。 阀设置在第二端。 在多个阀装置中,阀设置在第一和第二端处,并且可以单独地倒置到内腔中。 假体瓣膜装置还可以包括诸如支架的支撑结构。 制造假体瓣膜装置的方法包括提供具有第一和第二端并限定内腔的主体,在第二端处形成阀,并将第二端翻转成内腔。 方法还可以包括形成多个阀并且还可以包括附接支撑结构。