# K951978: Hewlett-Packard Model M1791A Acute Cardiac Ischemia-Time Insensitive Predicitive Instrument (Aci-Tipt)

- Pathway: 510(k) (Traditional)
- Applicant: Hewlett-Packard Co.
- Decided: Jan 4, 1996 after 252 days
- Product code: LOS
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 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
- K981265: Pagewriter 200I Interpretive Cardiograph Model M1770A with Acute Cardiac Ischemia Time Insensitive Predictive Instrumena (1998), 1 descendant of its own
- K982025: Hewlett-Packard M2475B with 12-Lead Option (#C90) Codemaster 100 Conitor/Defibrillator (1998), 0 descendants of its own

Source page: https://510kreport.com/device/K951978
Methodology: https://510kreport.com/methodology