# K013905: Modification EZ-1 System Repiratory Sensors

- Pathway: 510(k) (Special)
- Applicant: Pro-Tech Services, Inc.
- Decided: Apr 22, 2002 after 147 days
- Product code: MNR (Ventilatory Effort Recorder)
- Device class: 2
- Regulation: 21 CFR 868.2375
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
14 later devices descend from it; 1 cites it directly.
0 of 15 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K040194: Compumedics Summit IP (2004), 13 descendants of its own
- K043132: Universal Xacttrace (2004), 10 descendants of its own
- K090273: Kai Sensors Non-Contact Respiratory Rate Spot Check, Model 100, Kai Rspot, Model 100 (2009), 7 descendants of its own
- K151940: Thora-3Di, Model T-01 (2016), 3 descendants of its own
- K242001: Philips VSC-MEDlib (2025), 2 descendants of its own

Source page: https://510kreport.com/device/K013905
Methodology: https://510kreport.com/methodology