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    • 92. 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。
    • 100. 发明授权
    • Removable covering for implantable frame projections
    • 用于可植入框架突起的可移除覆盖物
    • US07563277B2
    • 2009-07-21
    • US11583395
    • 2006-10-19
    • Brian C. CaseCharles W. Agnew
    • Brian C. CaseCharles W. Agnew
    • A61F2/06
    • A61F2/2475A61F2/06A61F2/2418A61F2/848A61F2220/0016A61F2230/0026A61F2230/0054A61F2230/0095
    • Medical devices for implantation in a body vessel, and methods of using and making the same, are provided. A medical device can include a frame with one or more projections each having at least one edge extending from the surface of the frame, and a biocompatible, water-soluble removable material coated over at least a portion of the at least one edge. The projections can be barbs positioned to engage the interior wall of a body vessel or to attach a material, such as a valve leaflet or graft, to the frame. The removable material can be dissolved within a body vessel upon implantation, thereby exposing the at least one edge. Methods of making an implantable medical device and methods of treating a subject are also disclosed.
    • 提供了用于植入体内的医疗装置及其使用和制造方法。 医疗装置可以包括具有一个或多个突起的框架,每个突起具有从框架的表面延伸的至少一个边缘以及涂覆在至少一个边缘的至少一部分上的生物相容性的水溶性可移除材料。 突起可以是定位成接合身体容器的内壁的倒钩或者将诸如瓣膜小叶或移植物的材料附接到框架。 可移植材料可以在植入时溶解在体内容器中,从而暴露至少一个边缘。 还公开了制造可植入医疗装置的方法和治疗受试者的方法。