【化学】去除、电解的【纺织；造纸】去除、电解的

Pars plana vitrectomy(vitrector)-complicated Removal of epiretinal membrance

Hysteroscopic removal of foreign body or polyp

Removal of Karlex sponge s/p APR

Removal of intraocular foreign body with magnet (embeded)

chip removal

removal

Exploratory cardiotomy including removal of foreign body

Ureteroscopy & removal of ureteral stone--simple endoscopic