Diaphragm type gastrointestinal decompression device is mainly used for continued gastrointestinal decompression after surgical operation on ileus or resection of stomach.This machine is characterized with low noise level,exquisite appearance,convenient use and durability. MM30 Electric amiotic fluid suction unit is a special device for the suction of amniotic fluid and fluid in oral cavity.It can avoid suffocation-caused death of newborn babies.It is a indispensable medical appliance for the department of gynaecology and obstetrics in hospitals.