STEINERPistol enables physician to inject a reproducible amount of fluid together with embryos into uterine cavity avoiding Stick-Slip-Effect during embryo transfer. With every click it is possible to transfer 5 or 10?l (2 models) at desired pressure and velocity. At the same time you can watch the scan, because you can feel and hear each click. A tuberculin syringe with ET Catheter has to be clicked and fixed at STEINERPistol and the device is is ready for use.