Devices descending from K123226
15 later devices reach Lessray through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K142243 | LessRay with Tracking | Saferay Spine, LLC | 2014 | 13 | — |
| +1 | K132970 | Lessray | Saferay Spine, LLC | 2013 | 14 | — |
| +2 | K173314 | LessRay System | Nu Vasive, Incorporated | 2017 | 4 | — |
| +2 | K170800 | NuVasive LessRay with Enhanced Tracking | Nu Vasive, Incorporated | 2017 | 12 | — |
| +3 | K240199 | IntraOp Alignment System | Alphatec Spine, Inc. | 2024 | 1 | — |
| +3 | K230185 | ANT-X System | Ndr Medical Technology Pte., Ltd. | 2023 | 0 | — |
| +3 | K180038 | NuVasive Pulse System | Nu Vasive, Incorporated | 2018 | 3 | — |
| +3 | K173736 | TrackX | Track X Technology, LLC | 2018 | 3 | 2 |
| +4 | K253216 | IntraOp Alignment System; CONTOUR3D Bending System | Alphatec Spine, Inc. | 2026 | 0 | — |
| +4 | K251992 | ArmSure Fluoroscopic Positioning System | Savfe Co., Ltd. | 2026 | 0 | — |
| +4 | K210574 | NuVasive Pulse System | Nu Vasive, Incorporated | 2021 | 2 | 1 |
| +4 | K200360 | TrackX | Track X Technology, LLC | 2020 | 2 | 2 |
| +5 | K243814 | NuVasive Pulse System | Globus Medical, Inc. | 2025 | 0 | — |
| +5 | K230989 | Rod Registration Frame | Nu Vasive, Incorporated | 2023 | 0 | — |
| +5 | K213768 | Bolt Navigation System | Circinus Medical Technology, LLC | 2022 | 0 | — |