# K890323: Max-1 (Exercise Electrocardiograph)

- Pathway: 510(k) (Traditional)
- Applicant: Marquette Electronics, Inc.
- Decided: Jun 16, 1989 after 144 days
- Product code: DSI (Detector And Alarm, Arrhythmia)
- Device class: 2
- Regulation: 21 CFR 870.1025
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
72 later devices descend from it; 1 cites it directly.
0 of 73 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
- K014108: Mac 5000 Ecg Analysis System (2002), 71 descendants of its own
- K091513: Smart Ecg Series Electrocardiograph, Models SE-3, SE-300A and 300B, SE-6, SE-600, SE-12, SE-12 Express and SE-1200 (2009), 32 descendants of its own
- K033492: Modification to Mac 5000 Ecg Analysis System (2003), 31 descendants of its own
- K042177: Modification to Mac 5000 Ecg Analysis System (2004), 30 descendants of its own
- K060833: 12SL Ecg Analysis Program (2006), 21 descendants of its own

Source page: https://510kreport.com/device/K890323
Methodology: https://510kreport.com/methodology