# K001930: Model 8500, Hand Held Pulse Oximeter, Model 8500

- Pathway: 510(k) (Special)
- Applicant: Nonin Medical, Inc.
- Decided: Jul 20, 2000 after 24 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.
65 later devices descend from it; 3 cite it directly.
0 of 66 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
- K050056: Model 2500A Palmsat Pulse Oximeter (2005), 62 descendants of its own
- K071285: Digital Pulse Oximeter, Model 7500 (2007), 29 descendants of its own
- K100077: Nellcor Compatible Reusable SPO2 Soft-Finger Sensor, Model T100A-090103 (2010), 22 descendants of its own
- K101674: WVSM (Wireless Vital Signs Monitor), Model 5.0 (2010), 17 descendants of its own
- K142832: Unimed Disposable and Reusable SPO2 Sensors (2015), 14 descendants of its own

Source page: https://510kreport.com/device/K001930
Methodology: https://510kreport.com/methodology