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    • 43. 发明申请
    • SURGICAL STENT HAVING MICRO-GEOMETRIC PATTERNED SURFACE
    • 具有微量几何图形表面的外科手术
    • WO2005086733A3
    • 2008-01-03
    • PCT/US2005007222
    • 2005-03-03
    • BIOLOK INT INC
    • ALEXANDER HAROLDRICCI JOHN L
    • A61F2/06A61F2/00A61F2/90
    • A61F2/915A61F2/0077A61F2/91A61F2002/0081A61F2002/91533A61F2002/9155A61F2250/0068
    • A surgical stent having thereon micro-geometric patterned surface and the method of use for inhibiting smooth muscle cell growth into stent lumen are disclosed. The surgical stent has a generally cylindrical stent frame configured to be implanted into a body lumen, and the stent frame has thereon a micro-geometric patterned surface with includes a multiplicity of microgrooves distributed in a pre-determined pattern. Each of the microgrooves has a width in a range of from about 4 to about 40 microns and a depth in a range of from about 4 to 40 microns. The surgical stent can further include drug wells, and the surgical stent can have a biocompatible chemical compound, such as thrombosis inhibitor or cell growth inhibitor, embedded in the microgrooves or drug wells.
    • 公开了一种其上具有微几何图案化表面的手术支架和用于抑制平滑肌细胞生长到支架内腔中的方法。 手术支架具有被配置为植入体腔中的大致圆柱形的支架框架,并且支架框架上具有微型几何图案化表面,其包括以预定图案分布的多个微槽。 每个微槽的宽度在约4至约40微米的范围内,深度在约4至40微米的范围内。 手术支架还可以包括药物孔,并且手术支架可以具有嵌入在微槽或药物孔中的生物相容化学化合物,例如血栓形成抑制剂或细胞生长抑制剂。