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    • 5. 发明申请
    • Implantable Device For Promoting Repair Of A Body Lumen
    • 用于促进身体内腔修复的植入式装置
    • US20090210050A1
    • 2009-08-20
    • US12429803
    • 2009-04-24
    • Robert A. Van TasselDavid R. Holmes, JR.Robert S. Schwartz
    • Robert A. Van TasselDavid R. Holmes, JR.Robert S. Schwartz
    • A61F2/06
    • A61F2/82A61B5/0031A61B5/028A61B5/6862A61B5/6876A61F2/0077A61F2/91A61L31/14
    • An implantable stent having surface features adapted to promote an organized growth pattern of infiltrating cells when implanted in a tubular organ is provided. The surface features comprise depressions, pores, projections, pleats, channels or grooves in the stent body and are designed to increase turbulence or stagnation in the flow of a liquid, such as blood through the stent, and/or to promote the growth of infiltrating cells in an organized pattern. Alternatively, the invention stent can be populated with living cells prior to implant and can be heatable from an external source of energy, thereby inducing production of therapeutic bioactive agents from ingrowing cells. The invention also provides an implantable heatable stent for transcutaneously monitoring the flow of fluid through a lumen into which the stent is implanted by measuring the rate at which the heated stent cools in response to blood flow when the source of heat is removed.
    • 提供了一种植入式支架,其具有适于在植入管状器官时促进浸润细胞的有组织生长模式的表面特征。 表面特征包括支架主体中的凹陷,孔,突起,褶皱,通道或凹槽,并且被设计成增加液体如血液通过支架的流动中的湍流或停滞,和/或促进渗透的生长 细胞以有组织的模式。 或者,本发明支架可以在植入之前填充活细胞,并且可以从外部能量源加热,从而从向内生长细胞诱导治疗性生物活性剂的产生。 本发明还提供了一种可植入的可加热支架,用于通过测量当热源移除时响应于血液流动而被加热的支架冷却的速率,通过测量支架植入其中的内腔来经皮监测流体的流动。