# K193242: Masimo Rad-97 Pulse CO-Oximeter and Accessories, Masimo Radical-7 Pulse CO-Oximeter and Accessories, Masimo Radius-7 Pulse CO-Oximeter and Accessories - Pathway: 510(k) (Traditional) - Applicant: Masimo Corporation - Decided: Feb 27, 2020 after 94 days - Product code: MWI (Monitor, Physiological, Patient (Without Arrhythmia Detection Or Alarms)) - Device class: 2 - Regulation: 21 CFR 870.2300 - Recalls of this device: none - Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026 ## Lineage Longest line of descent: 22 generations back to K962603 (1997). 94 ancestors in all. 7 later devices descend from it; 5 cite it directly. 2 of 102 devices in its family (counting itself) have a Class I recall. ## Predicates on the family tree (from the FDA summary) - K183697: Masimo Rad-97 and Accessories, Masimo Corporation (2019) Summary page 9. - K171121: Masimo Root Monitoring System and Accessories, Masimo Corporation (2017) Summary page 10. ## Most influential descendants - K223498: Radius VSM and Accessories (2023), 1 descendant of its own - K201770: Masimo Rad-G Pulse Oximeter, Masimo Rad-G YI sensor, Masimo Rad-G Reusable sensor (2020), 1 descendant of its own - K253196: Midmark 800 Digital Vital Signs Device (1-300-0100, 1-300-0200, 1-300-0300, 1-300-0400) (2026), 0 descendants of its own - K250757: Radius VSM and Accessories (2025), 0 descendants of its own - K241411: Welch Allyn Connex® Spot Monitor; 901058 Vital Signs Monitor Core (CSM) (2024), 0 descendants of its own ## Indications for use Masimo Rad-97 Pulse CO-Oximeter and Accessories: The Masimo Rad-97 and Accessories can communicate with network systems for supplemental remote viewing and alarming (e.g., at a central station). In addition, the Masimo Rad-97 and Accessories are indicated to provide the continuous non-invasive monitoring data obtained from the Masimo Rad-97 and Accessories for functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (PR) to multi-parameter devices for the display on those devices. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (PR) of adult, pediatric, and neonatal 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. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of carboxyhemoglobin saturation (SpCO) of adult, pediatric, and infant patients during no motion conditions in hospitals and hospital-type facilities. The Masimo Rad-97 and Accessories are not intended to be used as the sole basis for making diagnosis or treatment decisions related to suspected carbon monoxide poisoning; it is intended to be used in conjunction with additional methods of assessing clinical signs and symptoms. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of methemoglobin saturation (SpMet) of adult, pediatric, and neonatal patients during no motion conditions in hospitals and hospital-type facilities. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of total hemoglobin concentration (SpHb) of adult and pediatric patients during no motion conditions in hospitals and hospital-type facilities. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of respiratory rate (RRa) for adult, pediatric, and neonatal patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. The optional Nomoline Capnography product family is intended to be connected to other medical backboard devices for monitoring of breath rate and CO2. The Nomoline Capnography product family is intended to be connected to a patient breathing circuit for monitoring of inspired/expired gases during anesthesia, recovery and respiratory care. The environment is the operating suite, intensive care unit and patient room. The intended patient population is adult, pediatric and infant patients. The optional non-invasive blood pressure (NiBP) module is indicated for the noninvasive measurement of arterial blood pressure. The NiBP module is designed to measure blood pressure for patient population described in the following Table: Patient Population Approximate Age Range Newborn (neonate) Birth to 1 month of age Infant 1 month to 2 years of age Child 2 to 12 years of age Adolescent 12-21 years of age Adult 21 years of age and older Devices with Masimo technology are only to be used with Masimo sensors and cables. The Masimo Rad-97 and Accessories are indicated for the continuous non-invasive monitoring of Respiratory Rate from photoplethysmogram (RRp) for adult and pediatric patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. Masimo Radical-7 Pulse CO-Oximeter and Accessories The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (PR) of adult, pediatric, and neonatal 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. The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of carboxyhemoglobin saturation (SpCO) of adult, pediatric, and infant patients during no motion conditions in hospitals and hospital-type facilities. The Masimo Radical-7 and Accessories are not intended to be used as the sole basis for making diagnosis or treatment decisions related to suspected carbon monoxide poisoning; it is intended to be used in conjunction with additional methods of assessing clinical signs and symptoms. The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of methemoglobin saturation (SpMet) of adult, pediatric, and neonatal patients during no motion conditions in hospitals and hospital-type facilities. The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of total hemoglobin concentration (SpHb) of adult and pediatric patients during no motion conditions in hospitals and hospital-type facilities. The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of respiratory rate (RRa) for adult, pediatric, and neonatal patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. The Radical-7 and Accessories are indicated for the continuous non-invasive monitoring of Respiratory Rate from photoplethysmogram (RRp) for adult and pediatric patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. Masimo Radius-7 Pulse CO-Oximeter and Accessories: The Radius-7 Accessories are indicated for the continuous non-invasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (PR) of adult, pediatric, and neonatal 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. The Radius-7 and Accessories are indicated for the continuous non-invasive monitoring of carboxyhemoglobin saturation (SpCO) of adult, pediatric, and infant patients during no motion conditions in hospitals and hospital-type facilities. The Masimo Radius and Accessories are not intended to be used as the sole basis for making diagnosis or treatment decisions related to suspected carbon monoxide poisoning; it is intended to be used in conjunction with additional methods of assessing clinical signs and symptoms. The Radius-7 and Accessories are indicated for the continuous non-invasive monitoring of methemoglobin saturation (SpMet) of adult, pediatric, and neonatal patients during no motion conditions in hospitals and hospital-type facilities. The Radius-7 and Accessories are indicated for the continuous non-invasive monitoring of total hemoglobin concentration (SpHb) of adult and pediatric patients during no motion conditions in hospitals and hospital-type facilities. The Radius-7 and Accessories are indicated for the continuous non-invasive monitoring of respiratory rate (RRa) for adult, pediatric, and neonatal patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. The Radius-7 and Accessories are indicated for the continuous non-invasive monitoring of Respiratory Rate from Pleth (RRp) for adult and pediatric patients during no motion conditions in hospitals, hospital-type facilities, home environments, and transport within healthcare facilities. Source page: https://510kreport.com/device/K193242 Methodology: https://510kreport.com/methodology