# K950483: Hewlett Packard M2475B Codemaster 100 Defibrillator/Monitor

- Pathway: 510(k) (Traditional)
- Applicant: Hewlett-Packard Co.
- Decided: May 22, 1995 after 108 days
- Product code: DRO (Pacemaker, Cardiac, External Transcutaneous (Non-Invasive))
- Device class: 2
- Regulation: 21 CFR 870.5550
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
25 later devices descend from it; 1 cites it directly.
4 of 26 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
- K973486: Life Pak 12 (1998), 24 descendants of its own
- K991910: Lifepak 12 Biphasic (1999), 22 descendants of its own
- K012274: Medtronic Physio-Control Lifepak 20 Defibrillator/Monitor/Pacemaker (2002), 21 descendants of its own
- K033275: Lifepak 12, 20, 500, CR Plus (2003), 20 descendants of its own
- K040775: Lifepak 12 (2004), 10 descendants of its own

Source page: https://510kreport.com/device/K950483
Methodology: https://510kreport.com/methodology