| 摘要 |
PROBLEM TO BE SOLVED: To provide a mother's milk pump of not requiring to arrange unnecessarily large suction output by protecting a suction pump before contacting with mother's milk even if a scavenging vessel becomes full. SOLUTION: This mother's milk pump has the suction connecting end connected to a breast main body and a suction pump, a checking device of mother's milk between the breast main body and the suction connecting end and a connecting area which is connected to the breast main body and leads to a scavenging vessel. In this case, the mother's milk checking device has a movable valve element 6 in a valve housing 5, an introducing opening 7 is formed in a place of a first housing area 5a as the connecting part of the breast main body, a connecting opening 10 leading to the suction connecting end is formed in a place of a second housing area 5d connected to the first housing area through bypass passages 12a, 12b, 12c, and the valve element moves to the connecting opening together with a closing area 13f by mother's milk entering the valve housing so that the connecting opening is cut off by the closing area. |
