Devices descending from K122456
4 later devices reach Mrii Crainial Drill through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K170442 | Cranial Drill Bits and Accessories | Ad-Tech Medical Instrument Corporation | 2017 | 0 | 2 |
| +1 | K160129 | MRII Cranial Drill and Accessories | Mri Interventions, Inc. | 2016 | 1 | — |
| +1 | K151536 | SmartTwist MRII Hand Drill, SmartTip MRII Drill bit Kit, 4.5mm, 6.0mm | Mri Interventions, Inc. | 2015 | 2 | — |
| +1 | K132436 | Varioguide Drill Kit | Mri Interventions, Inc. | 2014 | 0 | — |