# K002536: Liquichek Blood Gas Plus CO-Oximeter Control, Models 637, 638, 639 (Radiometer)

- Pathway: 510(k) (Traditional)
- Applicant: Bio-Rad
- Decided: Aug 30, 2000 after 14 days
- Product code: JJS (Controls For Blood-Gases, (Assayed And Unassayed))
- Device class: 1
- Regulation: 21 CFR 862.1660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 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
- K022525: Liquichek Blood Gas Plus CO-Oximeter Control (Radiometer 700 Series) Levels, 1,2 and 3, Model 507, 508, 509 (2002), 0 descendants of its own

Source page: https://510kreport.com/device/K002536
Methodology: https://510kreport.com/methodology