Devices descending from K903699
1 later device reach Passy-Muir Tracheostomy Speaking Valve 15MM / 22MM through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K041485 | Marpac Messenger Model #501 | Marpac, Inc. | 2004 | 0 | — |