# K073454: Fingertip Pulse Oximeter, Model CMS-50C

- Pathway: 510(k) (Traditional)
- Applicant: Contec Medical System Co., Ltd.
- Decided: May 5, 2008 after 147 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
Longest line of descent: 3 generations back to K001085 (2000). 3 ancestors in all.
10 later devices descend from it; 1 cites it directly.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K070371: Fingertip Pulse Oximeter MD300C, Beijing Choice Electronic Technololgy Co., Ltd. (2007) Summary page 2.

## Most influential descendants
- K082641: Fingertip Pulse Oximeter, Models CMS-50D, CMS-50L, CMS-50DL (2008), 9 descendants of its own
- K140582: Fingertip Pulse Oximeter (2014), 6 descendants of its own
- K163135: Finger Pulse Oximeter (2017), 4 descendants of its own
- K203854: Pulse Oximeter (2021), 1 descendant of its own
- K213430: Fingertip Pulse Oximeter (2022), 0 descendants of its own

## Indications for use
The Pulse Oximeter CMS-50C is a non-invasive device intended for the spot-check of oxygen saturation of arterial hemoglobin (SpO2) and the pulse rate of adult and pediatric patients in home and hospital environments (including clinical use in internist/surgery, anesthesia, intensive care etc.). This device is not intended for continuous monitoring.

Source page: https://510kreport.com/device/K073454
Methodology: https://510kreport.com/methodology