產品參數/ Product parameter
由推桿、尾絲、膠棒和膠棒膜層組成。主要供臨床婦產科宮腔診查前的子宮頸擴張用，
It is composed of push rod, tail filament, rubber rod and film layer of rubber rod, which is mainly for clinical gynecology and obstetrics uterine cavity before examination of cervical dilatation.
