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    • 2. 发明申请
    • Mesh implant for use in reconstruction of soft tissue defects
    • 网状植入物用于重建软组织缺损
    • US20070299542A1
    • 2007-12-27
    • US11472563
    • 2006-06-22
    • Torbjorn MathisenHenrik Magnusson
    • Torbjorn MathisenHenrik Magnusson
    • A61F2/02
    • A61F2/0063
    • The present invention relates to a resorbable polymeric mesh implant, that is intended to be used in the reconstruction of soft tissue defects. The mesh implant comprises at least a first and a second material, wherein the second material is substantially degraded at a later point in time than the first material following the time of implantation. The mesh implant is adapted to have a predetermined modulus of elasticity that gradually is decreased until the mesh implant is completely degraded and subsequently resorbed. Due to the gradual decrease in the modulus of elasticity of the inventive mesh implant, the regenerating tissue may gradually take over the load applied to the tissue defect area.
    • 本发明涉及可再吸收的聚合物网状植入物,其旨在用于重建软组织缺陷。 网状植入物包括至少第一和第二材料,其中在植入时间之后,第二材料在稍后的时间点比第一材料基本上劣化。 网状植入物适于具有逐渐降低的预定的弹性模量,直到网状植入完全降解并随后再吸收。 由于本发明的网状植入物的弹性模量的逐渐降低,再生组织可逐渐地承受施加于组织缺损区域的负荷。
    • 10. 发明申请
    • Polyureaurethane material and method of producing a polyureaurethane material
    • 聚脲氨酯材料及其制备方法
    • US20060211839A1
    • 2006-09-21
    • US11356441
    • 2006-02-17
    • Basse AsplundJons HilbornTorbjorn Mathisen
    • Basse AsplundJons HilbornTorbjorn Mathisen
    • C08G18/00
    • C08G18/10C08G18/4277C08G18/73C08G18/7621C08G18/7664C08G18/771C08G2230/00C08G18/302
    • The present invention relates to a linear polyureaurethane polymer, produced without the use of any chain extender. The hard block of the resulting polymer thus consists of diisocyante groups linked to each other via without the presence of any chain extender component. The hard block of the polyureaurethane material is preferably synthesized by using diisocyante groups in the form of lysine diisocyanate (LDI). The soft block component of the polyureaurethane material is preferably poly(epsilon-caprolactone) (PCL). The invention also relates to a method of producing a polyureaurethane polymer, which in short comprises the steps of reacting a soft block component with a diisocyante group in order to prepare a prepolymer component, combining the prepolymer component with a catalyst in order to define a reaction solution and adding water to the reaction solution, preferably carried to the reaction solution in vapour phase.
    • 本发明涉及在不使用任何扩链剂的情况下生产的线型聚脲聚氨酯聚合物。 因此,所得聚合物的硬嵌段由相互连接的二异氰酸酯基组成,而不存在任何扩链剂组分。 优选通过使用赖氨酸二异氰酸酯(LDI)形式的二异氰酸酯基团来合成聚脲氨酯材料的硬块。 聚脲氨酯材料的软嵌段成分优选为聚(ε-己内酯)(PCL)。 本发明还涉及一种制备聚脲氨酯聚合物的方法,其中包括以下步骤:使软嵌段组分与二异氰酸酯基反应,以制备预聚物组分,将预聚物组分与催化剂组合以限定反应 溶液并向反应溶液中加入水,优选以气相方式携带到反应溶液中。