# K903523: HP Model M1020A, Arterial Oxygen Sat/Pleth Module

- Pathway: 510(k) (Traditional)
- Applicant: Hewlett-Packard Co.
- Decided: Oct 23, 1990 after 78 days
- Product code: DQA (Oximeter)
- Device class: 2
- Regulation: 21 CFR 870.2700
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
463 later devices descend from it; 2 cite it directly.
0 of 464 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
- K990972: HP Viridia Component Monitoring System, HP Viridia CMS 24/26, HP Viridia Multi-Measurement Server and Compact Portable T (1999), 462 descendants of its own
- K013199: Philips Component Compact Monitor,Model M1275B, Philips Compenent Rack, Model M1276B (2001), 431 descendants of its own
- K021300: Modification of Philips Component Compact Monitor, Release a.03, Model M1275B (2002), 421 descendants of its own
- K020531: Philips Multi-Parameter Module, Model M3001A; Philips Component Compact Monitor, Release a.02, Model M1275B (2002), 416 descendants of its own
- K021778: Philips Component Compact Monitor, Release a.04, Model #M1275B (2002), 407 descendants of its own

Source page: https://510kreport.com/device/K903523
Methodology: https://510kreport.com/methodology