# K921497: Propaq Monitors, Modification

- Pathway: 510(k) (Traditional)
- Applicant: Protocol Systems, Inc.
- Decided: Mar 23, 1993 after 377 days
- Product code: CCK (Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase)
- Device class: 2
- Regulation: 21 CFR 868.1400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
17 later devices descend from it; 1 cites it directly.
0 of 18 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
- K101264: Tempus IC Professional Patient Monitor (2010), 16 descendants of its own
- K113105: Tempusic Patient Monitor (2011), 8 descendants of its own
- K152124: Tempus IC2 (2015), 7 descendants of its own
- K152645: Dictum Health (2016), 6 descendants of its own
- K130773: Tempus Pro Patient Monitor (2013), 6 descendants of its own

Source page: https://510kreport.com/device/K921497
Methodology: https://510kreport.com/methodology