Not sure if this will help any, but I tried to write out out the tab with a fingering that may make iteasy for you (M = middle finger, I = index finger, R = ring finger). I changed the last note, the bend, to the 17th fret on the G string.

M R I M R I M R I M R I M R I M
e |----------------------------|-------------|--------------------------|
b |-18h20p15h18h20p15h18h22-|-p15h18h20-|--p15h18h22p15-----------|
g |----------------------------|o-----------o|-----------------17b(19)-|
d |----------------------------|o-----------o|--------------------------|
a |----------------------------|-------------|--------------------------|
e |----------------------------|-------------|--------------------------|