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    • 19. 发明申请
    • EXPANDABLE STENT VALVE
    • 可扩展的阀门
    • US20170014228A1
    • 2017-01-19
    • US15039510
    • 2014-11-26
    • Children's Medical Center Corporation
    • Sitaram EmaniJames E. LockPedro J. del NidoAudrey C. Marshall
    • A61F2/24
    • A61F2/2418A61F2/2409A61F2002/061A61F2220/0008A61F2220/0075A61F2230/0067A61F2250/0039A61F2250/0069
    • An expandable valve (100) and valve frame device that may be implanted within the body, for example, at a position of the heart. The device may be surgically implanted and subsequently expanded at a later time. The device may include an expandable sewing member (160) surrounding the valve frame (130) at a region between upstream and downstream ends of the device, for attaching the device to surrounding tissue. The device may include a membrane (140) for blocking leakage out the side of the valve frame between opposite ends. However, the membrane may include a side opening (170) for guiding fluid flow toward an appropriate anatomical outflow tract. The device may include a hood-like covering attached to a tissue wall, for smoothly receiving and guiding fluid flow along a perpendicular bend. The device may further include a flared opening at a downstream end, providing adequate space for device attachment.
    • 可膨胀阀(100)和阀框架装置,其可被植入体内,例如在心脏的位置。 该装置可以手术植入,随后在稍后的时间内扩大。 该装置可以包括在装置的上游和下游端之间的区域处围绕阀框架(130)的可扩张缝合构件(160),用于将装置附接到周围组织。 该装置可以包括用于在相对端部之间阻挡泄漏出阀架侧面的膜片(140)。 然而,膜可以包括用于将流体流引向适当的解剖学流出道的侧开口(170)。 该装置可以包括附接到组织壁的罩状覆盖物,用于沿着垂直弯曲部平滑地接收和引导流体流动。 该装置还可以包括在下游端的扩口开口,为装置附接提供足够的空间。