You don't need EMS to control the Kyuubi ...he couldnt of got one in the uchiha clan massacre cos he need EMS to cntrol the nine tails that time.
he couldnt implanted it cos he hd two sharingan eyes.
sasuke's regular sharingan was enough to surpress the kyubi.so a regular sharingan can control a bijuhe couldnt of got one in the uchiha clan massacre cos he need EMS to cntrol the nine tails that time.
he couldnt implanted it cos he hd two sharingan eyes.