The device (1) for transferring and dosing biomedical fluids between hospital containers comprises a syringe body (2) for the containment of a biomedical fluid (F1 F2, F3, F4) and a piston (3) sealed fitted in a sliding way in the syringe body (2), the syringe body (2) comprising a first extremity (2a), having joining means (4) to at least a first container (R1, R2, R3, R4) from which taking the biomedical fluid (F1, F2, F3, F4) and to at least a second container (P1, P2, P3, P4) in which dispensing the biomedical fluid (F1,F2, F3, F4), and a second extremity (2b) opposite the first extremity (2a), wherein the device (1) comprises: a handle (9) for the manual grip by a user and having a coupling seat (10) for the fastening to the second extremity (2b) of the syringe body (2) motorised means (12) mounted in the handle (9) for the operation of a thrust rod (13) suitable for pushing the piston (3) first temporary fastening means (16, 17) placed between the coupling seat (10) and the second extremity (2b) of the syringe body (2) second temporary fastening means (18, 19) placed between the piston (3) and the thrust rod (13) and - control means (20, 21) mounted on the handle (9), associated with the motorised means (12) and suitable for the volumetric dosing both of the quantity of biomedical fluid (F1, F2, F3, F4) to take from the first container (R1, R2, R3, R4) and of the quantity of biomedical fluid (F1, F2, F3, F4) to dispense in the second container (P1, P2, P3, P4).Linvention porte sur un dispositif (1) de transfert et de dosage de fluides biomédicaux entre des contenants dhôpital, lequel dispositif comprend un corps de seringue (2) pour le confinement dun fluide biomédical (F1 F2, F3, F4) et un piston (3) introduit de manière étanche, dune manière coulissante, dans le corps de seringue (2), le corps de seringue (2) comprenant une première extrémité (2a), ayant des moyens dassemblage (4) à au moins un premier contenant (R1, R2, R3, R4) à partir duquel prélever le f
