| Nota | Cochlea | Ferens | Numerus dentium | Rota motrix | Applicabilis |
| Hitachi | M10 | 6204 et 6205 | 121 | 21 | Scalae mobiles Hitachi |
Coniunctio impulsoris scalae mobilis Hitachi
141 ferens 6204/21 dens ferens 6205 axis M16
158 ferens 6205/23 dens ferens 6305 axis M20
158 ferens 6205/23 dens ferens 6305 axis M16
158 ferens 6204/23 dens ferens 6206 axis M16