Devices descending from K021278
10 later devices reach EG-3630UR, Ultrasound Video Gastroscope through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K023401 | EG-3830UT, Video Ultrasound Gastroscope | Pentax Precision Instrument Corp. | 2003 | 9 | — |
| +2 | K090197 | EG-3870UTK | Pentax Medical Company | 2009 | 6 | 2 |
| +2 | K041397 | EG-3830UT | Pentax Precision Instrument Corp. | 2004 | 0 | 1 |
| +2 | K031789 | EG-3830UT, Video Ultrasound Gastroscope | Pentax Precision Instrument Corp. | 2003 | 0 | — |
| +3 | K130247 | Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision Preirus | Pentax of America, Inc. | 2013 | 5 | 1 |
| +4 | K162447 | PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I. Video Scope (Convex… | Pentax of America, Inc. | 2017 | 4 | — |
| +5 | K182004 | PENTAX Medical Endoscopic Ultrasound System | Pentax of America, Inc. | 2018 | 3 | 2 |
| +6 | K200090 | PENTAX Medical EG-J10U Endoscopic Ultrasound System - EG34-J10U Ultrasound Upper GI… | Pentax of America, Inc. | 2020 | 2 | 2 |
| +7 | K232518 | EndoSound Vision System; EVS | Endosound, Inc. | 2023 | 0 | — |
| +7 | K203166 | PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX Medical Ultrasound… | Pentax of America, Inc. | 2020 | 0 | — |