A biopsy system, comprising: a motor assembly (12) having a source (28) of electromechanical power with a battery (34) and with a first housing (24) configured to be grasped by a user, said first housing having a first cavity (241)； and a biopsy probe assembly (14) configured for detachable attachment to a motor assembly, said biopsy probe assembly having a frame (141), a biopsy probe (44), a transmission device (42) and a second housing (57), said biopsy probe and said second housing being mounted on said frame, said second housing containing at least a portion of said transmission device with said biopsy probe operably coupled to said transmission device, and being said transmission device configured for the driven coupling so that it can be released from said electromechanical power source of said drive assembly, said first cavity of said drive assembly being configured to receive said second housing of said biopsy probe assembly when said drive assembly it is mounted on said biopsy probe assembly, said second housing having a first shape； the system being characterized by: a loading platform (704) having a third housing (724) and a charging unit (744) contained in said third housing, said charging unit having a group of electrical contacts (728), said said third housing a second form substantially the same as said first form of said second housing of said biopsy probe assembly, said third housing being received in said first cavity of said motor assembly with said electrical contacts coupled in electrical communication with said motor assembly when said Drive assembly is mounted on said loading platform for loading.Un sistema de biopsia, que comprende: un conjunto (12) motriz que tiene una fuente (28) de potencia electromecánica con una batería (34) y con una primera carcasa (24) configurada para ser agarrada por un usuario, teniendo dicha primera carcasa una primera cavidad (241)； y un conjunto (14) de sonda de biopsia configurado para su unión separable a un c
