# K121955: Coughassist T70 Device

- Pathway: 510(k) (Traditional)
- Applicant: Respironics, Inc.
- Decided: Dec 14, 2012 after 164 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
Longest line of descent: 2 generations back to K002598 (2000). 2 ancestors in all.
14 later devices descend from it; 6 cite it directly.
3 of 17 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K002598: Emerson Cough Assist Model CA-3000 W/Automatic Timing and Model CM-3000 W/Manual Timing, J. H. Emerson Co. (2000) Summary page 2.
- K072292: Negavent Plus Pegaso Cough, Model: DA-3 Plus, Dima Italia Srl (2008) Summary page 2.

## Most influential descendants
- K162877: VOCSN Unified Respiratory System (2017), 6 descendants of its own
- K181166: Trilogy Evo (2019), 5 descendants of its own
- K122111: Respironics Simplyclear Device (2012), 4 descendants of its own
- K193586: Vivo 45 LS (2021), 2 descendants of its own
- K140598: Pegaso Cough, Pegaso a-Cough, Pegaso a-Cough Perc (2014), 1 descendant of its own

## Indications for use
The Philips Respironics CoughAssist T70 is intended for use on adult or pediatric patients unable to cough or clear secretions effectively. It may be used either with a facemask or mouthpiece, or with an adapter to a patient's endotracheal or tracheostomy tube. The device is intended to be used in the hospital, institutional environment or in the home.

Source page: https://510kreport.com/device/K121955
Methodology: https://510kreport.com/methodology