Devices descending from K180974
3 later devices reach CBit Series Digital Color Doppler Ultrasound System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K200780 | XBit Series Digital Color Doppler Ultrasound System | CHISON Medical Technologies Co., Ltd. | 2020 | 2 | — |
| +2 | K233697 | SonoMax Series Digital Color Doppler Ultrasound System | CHISON Medical Technologies Co., Ltd. | 2024 | 1 | — |
| +3 | K253949 | SonoPort Series Digital Color Doppler Ultrasound System (SonoPort 1, SonoPort 1 Exp… | CHISON Medical Technologies Co., Ltd. | 2026 | 0 | — |