HOMOGENEOUS, INTRINSIC RADIOPAQUE EMBOLIC PARTICLES
    51.
    发明申请
    HOMOGENEOUS, INTRINSIC RADIOPAQUE EMBOLIC PARTICLES 审中-公开
    均匀的,本质的不透射线的嵌入粒子

    公开(公告)号:WO2008054205A3

    公开(公告)日:2008-06-05

    申请号:PCT/NL2007050522

    申请日:2007-10-31

    CPC classification number: A61L24/001 A61L24/04 A61L2430/36

    Abstract: The invention is directed to embolic material comprising spherical, homogeneous and substantially non-porous radiopaque polymer particles based on at least one hydrophilic monomer and at least one radiopaque monomer according to general formula (I): wherein R is H, methyl or ethyl, and R 1 is I, Br or formula (II): wherein R 2 is O, NH, 0-[CH 2 -CH 2 -O] P -C(O)-, O- [CH 2 ] m -O-C(O)-, O-[CH 2 ] p -, NH-[CH 2 -CH 2 -O] p -C(O)-, NH-[CH 2 ] m -O-C(O)- or NH-[CH 2 ] p - wherein m>l and p=l, R 3 is I or Br and n is 1, 2 or 3, the iodine and/or bromine content being at least 5 wt.% based on the dry weight of the particle, the said particles having an average particle diameter of at least 10 µm and being able to imbibe water up to a volume increase of the particle of at least 10 %.

    Abstract translation: 本发明涉及包含基于至少一种亲水性单体和至少一种根据通式(I)的不透射线单体的球形,均匀和基本上无孔的不透射线聚合物颗粒的栓塞材料:其中R是H,甲基或乙基,和 R 1是I,Br或式(II):其中R 2是O,NH,O- [CH 2 SUB-CH 1且p = 1,R 3是I或Br,并且n是1,2或3,碘和/ 或溴含量基于颗粒干重为至少5重量%,所述颗粒具有至少10μm的平均颗粒直径,并且能够吸收水直到颗粒的体积增加至少10 %。

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