| Spencer Probe Depth Electrodes (K223269) | Ad-Tech Medical Instrument Corporation | 2023-05-18 |
| Anchor Bolts as Accessories to Depth Electrodes (K223276) | Ad-Tech Medical Instrument Corporation | 2023-05-18 |
| Subdural Strip/Intraoperative Split Electrode, Subdural Grid/Intraoperative Grid Electrode, Dual-Sided Interhemispheric Subdural Electrode, Multi-Strip and Slit Grid Subdural Electrode, Intraoperative Mapping Grid Subdural Electrode (K191186) | Ad-Tech Medical Instrument Corporation | 2020-01-25 |
| Anchor Bolt (as an accessory to Depth Electrodes) (K181544) | Ad-Tech Medical Instrument Corporation | 2018-08-09 |
| Cranial Drill Bits and Accessories (K170442) | Ad-Tech Medical Instrument Corporation | 2017-09-07 |
| Depth Electrodes, Foramen Ovale Depth Eletrodes, Marco-Micro Depth Electrodes, Spencer Probe Depth Electrodes (K163355) | Ad-Tech Medical Instrument Corporation | 2017-04-12 |
| FREMAP ELECTRODE (K152769) | Ad-Tech Medical Instrument Corporation | 2016-05-06 |
| DNAP Electrode (K152547) | Ad-Tech Medical Instrument Corporation | 2016-03-04 |