# K002598: Emerson Cough Assist Model CA-3000 W/Automatic Timing and Model CM-3000 W/Manual Timing

- Pathway: 510(k) (Special)
- Applicant: J. H. Emerson Co.
- Decided: Nov 22, 2000 after 93 days
- Product code: NHJ (Device, Positive Pressure Breathing, Intermittent)
- Device class: 2
- Regulation: 21 CFR 868.5905
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
24 later devices descend from it; 7 cite it directly.
5 of 25 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
- K072292: Negavent Plus Pegaso Cough, Model: DA-3 Plus (2008), 16 descendants of its own
- K121955: Coughassist T70 Device (2012), 14 descendants of its own
- K162877: VOCSN Unified Respiratory System (2017), 6 descendants of its own
- K120277: Vital Cough (2012), 6 descendants of its own
- K181166: Trilogy Evo (2019), 5 descendants of its own

Source page: https://510kreport.com/device/K002598
Methodology: https://510kreport.com/methodology