shut off to passage or view or hindered from action;
"a partially obstructed passageway"
"an obstructed view"
"justice obstructed is not justice"
For severe cases we used guided-wire for recanalization.After alternative pushing and injecting for several times, most of the obstructed fallopian tubes could be recanalized. 对于阻塞较严重的病人，直接进入导丝再通，在推注及导丝的反复作用下，大部分阻塞的输卵管均可复通。