# K100617: Masimo Responsable Oximetry Sensors Model S2-25/25D; S2-20/20D

- Pathway: 510(k) (Special)
- Applicant: Masimo Corporation
- Decided: May 28, 2010 after 85 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: 15 generations back to K941811 (1994). 77 ancestors in all.
39 later devices descend from it; 1 cites it directly.
0 of 117 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K051212: Modification to LNCS Oximetry Sensors, Masimo Corporation (2005) Summary page 1.
- K090165: Rainbow Resposable Pulse CO-Oximeter Sensors, Models R2C-25, R2-25, R2C-20 and R2-20, Masimo Corporation (2009) Summary page 1.

## Most influential descendants
- K111621: Masimo Resposable SPO2 Series Oximetry Sensors, Masimo LNCS / M-LNCS Oximetry Sensors (2011), 38 descendants of its own
- K120657: Masimo Set and Masimo Rainbow Set Pulse Oximeters and Sensors (2012), 37 descendants of its own
- K150975: Philips IntelliVue MP2/MP5/MPSC Patient Monitors, Philips IntelliVue X1 and X2 multi-msrmt-modules for use with IntelliVue patient monitors (2015), 34 descendants of its own
- K161531: IntelliVue Patient Monitors MP2, MP5, MP5T, MP5SC, and Multi-Measurement Module X2; IntelliVue Patient Monitors MP20, MP30, MP40, MP50, MP60; IntelliVue Patient Monitors MP70, MP80, MP90;IntelliVue Patient Monitors MX400, MX430, MX450, MX500, MX550, MX600;IntelliVue Patient Monitors MX700, MX800 (2016), 31 descendants of its own
- K171801: IntelliVue Patient Monitor MX100 and Multi-Measurement Module X3; intelliVue Hemodynamic Extension, Capnography Extension, Microstream Extension;Transpac IV Dual IBP Cable (2017), 8 descendants of its own

## Indications for use
The Masimo Resposable Oximetry Sensors are indicated for the continuous noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (measured by an SpO2 sensor) for use with adult and pediatric patients during both no motion and motion conditions, and for patients who are well or poorly perfused in hospitals, hospital-type facilities, mobile, and home environments.

Source page: https://510kreport.com/device/K100617
Methodology: https://510kreport.com/methodology