Devices descending from K031451
12 later devices reach Xtracxl Plus Excimer Laser System, Model AL7000 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K073659 | Xtrac Ultra 2, Model AL10000 | Photo Medex, Inc. | 2008 | 7 | — |
| +1 | K041943 | Xtrac XL, Model AL8000 | Photo Medex, Inc. | 2004 | 11 | — |
| +2 | K230076 | Enhanced AURORA™ Medical Diode System, and related accessories | Psoria-Shield, Inc. | 2023 | 0 | — |
| +2 | K193478 | XTRAC Momentum Excimer Laser System | Strata Skin Sciences, Inc. | 2020 | 1 | — |
| +2 | K181480 | MMD Tip | Strata Skin Sciences, Inc. | 2018 | 0 | — |
| +2 | K103540 | Psoria-Light | Psoria-Shield, Inc. | 2011 | 3 | — |
| +2 | K062963 | Pharos Excimer Laser System, Model EX-308 | Ra Medical Systems,Inc | 2007 | 3 | 2 |
| +3 | K223588 | PALLAS Premium | Laseroptek Co., Ltd. | 2023 | 0 | — |
| +3 | K192411 | Psoria-Shield AURORA | Psoria-Shield | 2020 | 2 | — |
| +3 | K172639 | PALLAS 308/311 Solid-State UV Laser System | Laseroptek Co., Ltd. | 2017 | 2 | — |
| +4 | K254234 | Phototherapy System (DUV-COMBO) | Choyang Medics Co., Ltd. | 2026 | 0 | — |
| +4 | K191501 | PALLAS 308/311 Solid-State UV Laser System | Laseroptek Co., Ltd. | 2020 | 1 | — |