A flusher (1) for rinsing/flushing of follicles comprising a flushing pump, a flushing fluid receptacle (3), such as a syringe, and a heating unit (4), wherein the heating unit comprises a first section (410) adapted for receiving and warming at least a part of said flushing fluid receptacle, at least one second section (411, 412) adapted for receiving and warming at least one receptacle for holding the aspirated folliclulat fluid, said at least one second section being adapted to be removable from said flusher, and a heat source arranged to provide heat to said first section and said at least one second section.
