Devices descending from K211873
11 later devices reach PSX Interbody System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K231438 | Calibrate PSX Interbody System, Calibrate NanoTec PSX Interbody System | Alphatec Spine, Inc. | 2023 | 7 | — |
| +1 | K222455 | Calibrate LTX Interbody System | Alphatec Spine, Inc. | 2022 | 8 | — |
| +2 | K243461 | Calibrate Interbody Systems | Alphatec Spine, Inc. | 2025 | 0 | — |
| +2 | K242364 | IdentiTi™ II Interbody System | Alphatec Spine, Inc. | 2024 | 4 | — |
| +2 | K232504 | Calibrate CCX Interbody System | Alphatec Spine, Inc. | 2023 | 1 | 1 |
| +2 | K223611 | Calibrate LTX Interbody System | Alphatec Spine, Inc. | 2023 | 7 | — |
| +3 | K261020 | Symmetrix™ L Spinal System | Medtronic Sofamor Danek USA, Inc. | 2026 | 0 | — |
| +3 | K251575 | IdentiTi™ II ALIF Standalone Interbody System; Transcend™ ALIF Standalone Interbody System | Alphatec Spine | 2025 | 0 | — |
| +3 | K251080 | IdentiTi II Cervical Interbody System | Alphatec Spine, Inc. | 2025 | 0 | — |
| +3 | K251617 | X-PAC® TLIF Expandable Posterior Cage System; X-PAC® LLIF Expandable Lateral Cage System | Expanding Innovations, Inc. | 2025 | 0 | — |
| +3 | K242147 | Calibrate LTX Interbody System; Calibrate NanoTec LTX Interbody System | Alphatec Spine, Inc. | 2024 | 1 | — |