Devices descending from K121174
20 later devices reach Xpress Multi-Sinus Dilation Tool through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K181838 | Sinusway Dilation System | 3nt Medical, Ltd. | 2018 | 0 | — |
| +1 | K153341 | Relieva Scout Multi-Sinus Dilation System | Acclarent, Inc. | 2016 | 0 | — |
| +1 | K121943 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2012 | 17 | — |
| +2 | K160770 | Vent-Os Sinus Dilation family | Sinusys Corporation | 2016 | 0 | — |
| +2 | K133016 | Vent-OS Sinus Dilation System | Sinusys Corporation | 2013 | 0 | — |
| +2 | K132440 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2013 | 14 | — |
| +3 | K142252 | XprESS Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2014 | 13 | — |
| +4 | K201472 | VenSure Balloon Device, VenSure Nav Balloon Device | Fiagon GmbH | 2020 | 1 | — |
| +4 | K152434 | XprESS Multi-Sinus Dilation System | Entellus Medical, Inc. | 2015 | 11 | — |
| +5 | K230065 | VenSure™ Balloon Dilation System, VenSure™ Light Balloon Dilation System, VenSure™ Nav… | Fiagon GmbH | 2023 | 0 | — |
| +5 | K230258 | BB 8 Sinus Dilation Kit | Excelent, Inc. | 2023 | 0 | — |
| +5 | K163509 | XprESS ENT Dilation System | Entellus Medical, Inc. | 2017 | 9 | — |
| +6 | K220027 | Audion ET dilation system | Entellus Medical, Inc. | 2022 | 0 | — |
| +6 | K210841 | NuVent Eustachian Tube Dilation Balloon | Medtronic Xomed, Inc. | 2021 | 0 | — |
| +6 | K201398 | SINUSPRIME Dilation System | Stryker Ent | 2020 | 0 | — |
| +6 | K171761 | ACCLARENT AERA Eustachian Tube Balloon Dilation System | Acclarent, Inc. | 2018 | 5 | — |
| +7 | K230742 | ACCLARENT AERA Eustachian Tube Dilation System | Acclarent, Inc. | 2023 | 1 | — |
| +7 | K223542 | TubaVent Balloon Dilatation System | Spiggle & Theis Medizintechnik GmbH | 2023 | 0 | — |
| +7 | K201115 | Next Generation Balloon Dilation System | Acclarent, Inc. | 2020 | 0 | — |
| +8 | K253612 | Acclarent AERA Eustachian Tube Balloon Dilation System | Acclarent, Inc. | 2026 | 0 | — |