Devices descending from K141131
6 later devices reach Tightrail Mini through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K142546 | TightRail Rotating Dilator Sheath/TightRail Mini Dilator Sheath | Spectranetics, Inc. | 2014 | 5 | — |
| +2 | K211679 | Xtractor device | Xcardia Innovation, Ltd. | 2022 | 0 | — |
| +2 | K161333 | TightRail Sub-C Rotating Dilator Sheath | Spectranetics, Inc. | 2016 | 2 | — |
| +2 | K150360 | TightRail Rotating Dilator Sheath, TightRail Mini Rotating Dilator Sheath | Spectranetics, Inc. | 2015 | 3 | — |
| +3 | K212784 | TightRail Guardian Motorized Dilator Sheath | Spectranetics, Inc. | 2022 | 1 | — |
| +4 | K223472 | TightRail Guardian Motorized Dilator Sheath, 9 French (575-009); TightRail Guardian… | Spectranetics, Inc. | 2022 | 0 | — |