Devices descending from K904799
16 later devices reach CHF-B20 Choledochoscope through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K082576 | XCHF-T160 Videoscope | Olympus Medical Systems Corporation | 2008 | 1 | — |
| +1 | K051886 | Olympus Choledochoscope, Model XCHF-BP160F | Olympus Medical Systems Corporation | 2005 | 13 | — |
| +2 | K123704 | Automated Endoscope Leak Tester | Olympus Medical Systems Corp. | 2013 | 1 | — |
| +2 | K113120 | CHF-Y0005 | Olympus Medical Systems Corp. | 2012 | 0 | — |
| +2 | K090170 | Spyscope Access and Delivery Catheter | Boston Scientific Corp | 2009 | 10 | — |
| +3 | K212201 | PENTAX Medical Auto Leakage Tester SHA-P6 | Pentax of America, Inc. | 2021 | 0 | — |
| +3 | K142922 | SpyGlass DS Direct Visualization System | Boston Scientific Corporation | 2015 | 9 | 1 |
| +4 | K254153 | Single-use Video Scope; PB Digital Controller | Mirco-Tech (Nanjing) Co., Ltd. | 2026 | 0 | — |
| +4 | K241444 | Biliary Pancreaticobiliary Scope System | Shenzhen HugeMed Medical Technical Development Co., Ltd. | 2025 | 0 | — |
| +4 | K221784 | Single-use Video Pancreaticobiliary Scope, PB Digital Controller | Micro-Tech (Nanjing) Co., Ltd. | 2023 | 2 | — |
| +4 | K181439 | SpyGlass DS and DS II Direct Visualization System | Boston Scientific Corporation | 2018 | 7 | — |
| +5 | K252492 | Visualized Access and Delivery Catheter; PB Digital Controller | Micro-Tech (Nanjing) Co., Ltd. | 2026 | 0 | — |
| +5 | K233752 | Dragonfly™ Pancreaticobiliary Scope; Dragonfly™ Digital Controller; Dragonfly™… | CenterPoint Systems, LLC | 2024 | 0 | — |
| +5 | K183636 | SpyScope DS Access and Delivery Catheter, SpyScope DS II Access and Delivery Catheter… | Boston Scientific Corporation | 2019 | 5 | — |
| +6 | K251338 | Cholangioscope Visualization System (Single-use Video Cholangioscope: SCV-P-01G… | Scivita Medical Technology Co., Ltd. | 2026 | 0 | — |
| +6 | K200483 | SpyGlass Discover Digital Catheter, SpyGlass Discover Digital Controller | Boston Scientific Corporation | 2020 | 3 | — |