# K903699: Passy-Muir Tracheostomy Speaking Valve 15MM / 22MM

- Pathway: 510(k) (Traditional)
- Applicant: Passy & Passy, Inc.
- Decided: Sep 4, 1990 after 20 days
- Product code: JOH (Tube Tracheostomy And Tube Cuff)
- Device class: 2
- Regulation: 21 CFR 868.5800
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K041485: Marpac Messenger Model #501 (2004), 0 descendants of its own

Source page: https://510kreport.com/device/K903699
Methodology: https://510kreport.com/methodology