# K992674: HP Viridia CMS Patient Monitor with Eeg Parameter, Model M1027A

- Pathway: 510(k) (Abbreviated)
- Applicant: Hewlett-Packard GmbH
- Decided: Nov 8, 1999 after 90 days
- Product code: MHX (Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms))
- 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
Longest line of descent: 4 generations back to K941811 (1994). 11 ancestors in all.
409 later devices descend from it; 2 cite it directly.
0 of 421 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K990125: HP Viridia Component Monitoring System, Model Rev. K, Hewlett-Packard GmbH (1999) Summary page 1.
- K922974: Portable Patient Monitor, Hewlett-Packard Co. (1992) Summary page 1.
- K914571: Neurotrac II, Moberg Medical, Inc. (1992) Summary page 1.
- K932842: Spacelabs Medical Model 90481 Eeg Module, Spacelabs Medical, Inc. (1994) Summary page 1.

## Most influential descendants
- K021778: Philips Component Compact Monitor, Release a.04, Model #M1275B (2002), 407 descendants of its own
- K023871: M3046A (M2/M3/M4) Compact Portable Patient Monitor and MP60 & MP70 Intellivue Patient Monitor with Portal Technology (2002), 406 descendants of its own
- K030038: Philips MP60, MP70 and MP90 Intellivue Patient Monitors with Portal Technology and M3185 Opt C41 Wireless Bedside Adaptr (2003), 404 descendants of its own
- K031481: The Philips Intellivue MP60, MP70, and MP90 Patient Monitors, Release a.20 (2003), 376 descendants of its own
- K032858: The Philips Intellivue MP40, MP50, MP60, MP70,and MP90 Patient Monitors, Release B.O. (2003), 375 descendants of its own

## Indications for use
The Hewlett-Packard Viridia CMS Patient Monitoring System, Rel.K, with M1027A EEG Measurement Module is intended for measurement and display of the electroencephalogram of adults, pediatrics, and neonates in the Operating Room and intermediate/critical care environments.

Source page: https://510kreport.com/device/K992674
Methodology: https://510kreport.com/methodology