Described herein are apparatus, compositions, systems and associated methods to occlude structures and malformations with radiopaque hydrogel filaments with delayed controlled rates of expansion permitting the repositioning of the device once inside the structure or malformation. Further described is a device for implantation in an animal comprising a difunctional, low molecular weight ethylenically unsaturated shapeable macromer; an ethylenically unsaturated monomer; and a radiopaque element, wherein said device contains no support members. Methods of forming such devices are also disclosed.
申请公布号
WO2009086208(A2)
申请公布日期
2009.07.09
申请号
WO2008US87846
申请日期
2008.12.19
申请人
MICROVENTION, INC.;CRUISE, GREGORY, M.;CONSTANT, MICHAEL, J.;KEELEY, E., MICHAEL;TERRANCE, TRAN, T.
发明人
CRUISE, GREGORY, M.;CONSTANT, MICHAEL, J.;KEELEY, E., MICHAEL;TERRANCE, TRAN, T.