| TherOx Downstream System (P170027/S020) | Zoll Circulation, Inc. | 2025-10-29 |
| TherOx Downstream Cartridge (P170027/S019) | Zoll Circulation, Inc. | 2025-06-20 |
| TherOx Downstream System (P170027/S017) | Zoll Circulation, Inc. | 2024-12-19 |
| TherOx DownStream System (P170027/S016) | Zoll Circulation, Inc. | 2024-12-11 |
| TherOx Downstream System (P170027/S014) | Zoll Circulation, Inc. | 2024-10-03 |
| TherOx DownStream System (P170027/S015) | Zoll Circulation, Inc. | 2024-08-14 |
| TherOx Downstream System (P170027/S011) | Zoll Circulation, Inc. | 2024-06-06 |
| TherOx® DownStream® Cartridge (DSC-2) (P170027/S012) | Zoll Circulation, Inc. | 2024-06-06 |
| TherOx Downstream System (P170027/S013) | Zoll Circulation, Inc. | 2024-04-25 |
| TherOx Downstream System (P170027/S007) | Zoll Circulation, Inc. | 2023-10-20 |
| TherOx Downstream System (P170027/S008) | Zoll Circulation, Inc. | 2023-03-09 |
| TherOx Downstream Console (P170027/S010) | Zoll Circulation, Inc. | 2022-10-27 |
| TherOx Downstream System (P170027/S009) | Zoll Circulation, Inc. | 2022-03-10 |
| TherOx DownStream System (P170027/S006) | Zoll Circulation, Inc. | 2021-12-09 |
| TherOx Downstream System (P170027/S005) | Zoll Circulation, Inc. | 2021-06-01 |
| TherOx Downstream System (P170027/S004) | Zoll Circulation, Inc. | 2021-03-29 |
| TherOx Downstream System (P170027/S003) | Zoll Circulation, Inc. | 2021-03-26 |
| TherOx DownStream System (P170027/S001) | Zoll Circulation, Inc. | 2020-11-20 |
| TherOx Downstream System (P170027/S002) | Zoll Circulation, Inc. | 2020-03-11 |
| TherOx Downstream System (P170027) | Zoll Circulation, Inc. | 2019-04-02 |