以下是引用sophywang在2008-10-1 0:35:00的发言：
我今天买了几个奶瓶，还有一个二手的medela pump
三个月内的衣服用我姐的旧的，让公婆从国内带过来
I read something about 2nd hand pump. Unless the pump is for rental, FDA does not recommend using 2nd hand pump. Even if you change all the accessories, there is a built in diaphram. It cannot be cleaned, which can cause contamination.