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    • 6. 发明申请
    • HIGHLY CONVERTIBLE ENDOLUMENAL PROSTHESES AND METHODS OF MANUFACTURE
    • 高度可转换的内孔假体和制造方法
    • WO2005051227A2
    • 2005-06-09
    • PCT/US2004/038386
    • 2004-11-17
    • SYNECOR, LLCWILLIAMS, Michael, S.LANGER, Robert, S.WANG, Yadong
    • WILLIAMS, Michael, S.LANGER, Robert, S.WANG, Yadong
    • A61F
    • A61F2/06A61L31/04A61L31/041A61L31/14A61L2400/16
    • Endolumenal prostheses that readily and extensively convert from a delivery configuration to a deployed configuration are disclosed. Endolumenal prostheses may be fabricated from one or more shape memory polymers, a high modulus elastomer, a polymer that is both elastomeric and exhibits shape memory behavior, a hydrogel, or some combination thereof Polymers used to fabricate the prostheses are selectively synthesized to exhibit desired characteristics such as crystallinity, strain fixity rate, strain recovery rate, elasticity, tensile strength, mechanical strength, cross-linking density, extent, physical cross-linking, extent of covalent cross-linking, extent of interpenetrating networks, rate of erosion, heat of fusion, crystallization temperature, and acidity during erosion. The endolumenal prostheses convert to the deployed configuration following delivery to a treatment site, upon exposure to an initiator either present within the body naturally or introduced into the body.
    • 公开了容易并广泛地从输送构造转变为展开构造的内径假体。 体腔内假体可由一种或多种形状记忆聚合物,高模量弹性体,兼具弹性和呈现形状记忆行为的聚合物,水凝胶或其一些组合制成。选择性合成用于制造假体的聚合物以展现所需特性 如结晶度,应变固定率,应变恢复率,弹性,拉伸强度,机械强度,交联密度,程度,物理交联,共价交联程度,互穿网络程度,侵蚀速率, 融化,结晶温度和侵蚀过程中的酸度。 在暴露于自然存在于身体内或引入身体内的引发剂后,内径假体在递送至治疗部位后转变为展开构型。