Abstract: A placental-blood extraction device comprising at least one extraction needle (10, 11) for piercing the vein of the umbilical cord and/or of the placenta, and a collection vessel (20) connected to said at least one needle (10, 11) via at least one tube (40), the device further comprising suction means (30) connected to said at least one needle,(10, 11) and adapted to suck the placental blood so as to feed said collection vessel (20), said suction means (30) comprising a vacuum bottle (20), in particular of the Redon type, that simultaneously forms a collection vessel.