为在施行眼内异物吸取术时,能使电磁头无创伤地进入眼内,并防止因异物被迅速吸向磁头而损伤眼组织,将常用的Bronson橡子头改制成20号电磁头,易经伤口或扩大的巩膜切口插入眼内,并朝向异物。当磁石作用时,异物移行至磁石头,并附着于其上。指出,20号头的长度应为5mm,以使其顶部产生的磁力减至最弱。在异物可以直接看见,或在玻璃 In the implementation of intraocular foreign body aspiration surgery, the head can make the noninvasive access to the eye and to prevent the foreign body was quickly attracted to the head and eye tissue damage, the commonly used Bronson acorn head into a 20 # head, easy The wound or enlarged scleral incision is inserted into the eye and toward the foreign body. When the magnet is acting, the foreign body travels to the magnet head and attaches to it. Point out that the length of head 20 should be 5mm to minimize the magnetic force generated at the top. In the foreign body can be seen directly, or in the glass