# K002725: Micropaq, Models 402 and 404

- Pathway: 510(k) (Traditional)
- Applicant: Protocol Systems, Inc.
- Decided: Nov 21, 2000 after 82 days
- Product code: DRT (Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm))
- Device class: 2
- Regulation: 21 CFR 870.2300
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
127 later devices descend from it; 4 cite it directly.
0 of 128 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
- K021681: Micropaq, Models 402, 404 (2002), 113 descendants of its own
- K033378: Vital Signs Monitor, Propaq LT (2004), 108 descendants of its own
- K121013: Connex Vital Signs Monitor 6000 Series (2012), 65 descendants of its own
- K022453: Modification to Acuity Central Monitoring System (2002), 63 descendants of its own
- K140188: Masimo Root Monitoring System (2014), 58 descendants of its own

Source page: https://510kreport.com/device/K002725
Methodology: https://510kreport.com/methodology