Devices descending from K211639
7 later devices reach BTL-785W through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K251988 | Boston iFace (Boston iFace) | Boston Aesthetics, Inc. | 2026 | 0 | — |
| +1 | K222556 | BTL-785X | BTL Industries, Inc. | 2023 | 5 | — |
| +2 | K233849 | BTL-499 | BTL Industries, Inc. | 2024 | 0 | — |
| +2 | K233604 | BTL-785S | BTL Industries, Inc. | 2024 | 3 | — |
| +3 | K253750 | BTL-785NEH | BTL Industries, Inc. | 2026 | 0 | — |
| +3 | K242532 | BTL-785BNF-E | BTL Industries, Inc. | 2024 | 1 | — |
| +4 | K260945 | Ultima System (UL-800);Ultimate Face Package (UL-800-Face-Set);Ultimate Shape Extension… | Fit-Pro KFT (Ltd.) - DBA E-Fit | 2026 | 0 | — |