Devices descending from K821993
12 later devices reach Shiley Laryngectomy Tube through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K962173 | Shikey Tracheostomy Tubes and Accessories | Mallinckrodt Medical | 1996 | 7 | Class I |
| +1 | K961449 | Tracheostomy Tubes Tracoe-Flex | Tracoe Medical GmbH | 1996 | 3 | — |
| +2 | K150844 | Shiley Adult Flexible Tracheostomy Tube Cuffless, Reusable Inner Cannula, Shiley Adult… | Covidien | 2015 | 1 | Class I |
| +2 | K142296 | Shiley Adult Flexible Tracheostomy Tube Cuffless, Disposable Inner Cannula; Shiley Adult… | Covidien | 2015 | 3 | Class I |
| +2 | K123699 | Fahl Tracheostomy Tubes (Multiple) | Andreas Fahl Medizintechnik-Vertrieb GmbH | 2013 | 1 | — |
| +2 | K120079 | Primed Tracheostomy Tubes (Multiple) | Primed Halberstadt Medizintechnik GmbH | 2012 | 2 | — |
| +2 | K062104 | Talking Trach | Engineered Medical Systems, Inc. | 2007 | 0 | — |
| +2 | K030787 | Shiley Flextra Tracheostomy Tube | Nellcor Puritan Bennett, Inc. | 2003 | 0 | 1 |
| +2 | K971267 | Shiley Extended Length, Disposable Cannula, Tracheostomy Tube: Cuffed, Distal Extension… | Mallinckrodt Medical | 1997 | 0 | — |
| +3 | K251313 | Shiley™ Adult Flexible Tracheostomy Tube XLT with TaperGuard™ Cuff, Distal with… | Covidien, LLC | 2025 | 0 | — |
| +3 | K233713 | Pilling Tracheostomy Tubes | Teleflex Medical | 2024 | 0 | — |
| +3 | K193077 | Shiley Adult Flexible Evac Tracheostomy Tube with TaperGuard Cuff | Covidien | 2020 | 0 | — |