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    • 93. 发明授权
    • Method for treating polymer materials and products produced therefrom
    • 用于处理由其制备的聚合物材料和产品的方法
    • US06774155B2
    • 2004-08-10
    • US10196692
    • 2002-07-16
    • Paul MartakosThomas M. SwanickTheodore Karwoski
    • Paul MartakosThomas M. SwanickTheodore Karwoski
    • C08F248
    • C08J7/123A61F2/06A61F2250/0023
    • The invention is directed to methods for fabricating devices from polymer precursors, along with devices so fabricated. The methods of the invention include the steps of plasma treating a polymer based resin, paste, preform billet, or extrudate, and employing the treated polymer in the fabricated device. According to one embodiment, the fabricated device can include implantable prosthetics such as heart valves, sutures, vascular access devices, vascular grafts, shunts, catheters, single layered membranes, double layered membranes, and the like. Devices fabricated according to one embodiment of the invention include regions having selected porosity, permeability and/or chemistry characteristics.
    • 本发明涉及从聚合物前体制造器件的方法以及如此制造的器件。 本发明的方法包括以下步骤:等离子体处理聚合物基树脂,糊料,预成型坯坯或挤出物,并在制造的装置中使用经处理的聚合物。 根据一个实施例,制造的装置可以包括可植入假肢,例如心脏瓣膜,缝线,血管通路装置,血管移植物,分流器,导管,单层膜,双层膜等。 根据本发明的一个实施方案制造的装置包括具有选择的孔隙率,渗透性和/或化学特性的区域。
    • 98. 发明申请
    • Tissue separating device with reinforced support for anchoring mechanisms
    • 组织分离装置,具有用于锚固机构的加强支撑
    • US20080113001A1
    • 2008-05-15
    • US11980155
    • 2007-10-30
    • Steve HerweckJoseph FerraroPaul MartakosTheodore KarwoskiAnthony Horton
    • Steve HerweckJoseph FerraroPaul MartakosTheodore KarwoskiAnthony Horton
    • A61F2/02
    • A61L31/14A61F2/0063A61L31/08
    • A barrier layer device is formed of an underlying biocompatible structure having a barrier layer coating that can exhibit anti-inflammatory properties, non-inflammatory properties, and/or adhesion-limiting properties, as well as generate a modulated healing effect on injured tissue. As implemented herein, the barrier layer is a non-polymeric cross-linked gel derived at least in part from a fatty acid compound, and may include a therapeutic agent. The underlying structure can be in the form of a surgical mesh. The barrier device is further provided with reinforced sections or portions to aid with the fastening of the barrier device for implantation purposes and prohibits or substantially reduces the occurrence of excessive stretching and tearing. The barrier device is implantable in a patient for short term or long term applications, and can include controlled release of the therapeutic agent.
    • 阻挡层装置由潜在的生物相容性结构形成,该结构具有可显示抗炎性质,非炎症性质和/或粘附限制性质的阻隔层涂层,并且对损伤的组织产生调节的愈合作用。 如本文所实施的,阻挡层是至少部分地由脂肪酸化合物衍生的非聚合交联凝胶,并且可以包括治疗剂。 底层结构可以是手术网的形式。 阻挡装置还设置有加强部分或部分,以帮助阻挡装置紧固以用于植入目的,并且禁止或基本上减少过度拉伸和撕裂的发生。 阻挡装置可植入患者体内以进行短期或长期应用,并且可包括治疗剂的受控释放。