我们利用旧电线内的紫铜丝制成一种定名为“弹簧传冷眼科冷冻器”,经临床应用尚称满意。取一直径约2毫米粗的旧电线内紫铜丝,长约1.5米,一端磨成约1毫米粗1公分长作为接触头,将紫铜丝绕成直径约2公分的弹簧形,套上比弹簧长2—3公分的条状布袋,接触头穿出布袋底。使用前高压灭 We use the old wire made of copper wire made of a known as “spring-cooled ophthalmic freezer”, still satisfied with the clinical application. Take a diameter of about 2 mm thick old wire copper wire, about 1.5 meters, one end of the ground into about 1 mm thick 1 cm long as a contact head, the copper wire wound into a diameter of about 2 cm spring-shaped, set than the spring Length of 2-3 cm strip bag, the contact head piercing out of the bottom of the bag. High pressure before use off