# K033048: Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL, 740-2NN, 740M-2NN, 740-3MS, 740M-3MS

- Pathway: 510(k) (Special)
- Applicant: Cas Medical Systems, Inc.
- Decided: Jun 1, 2004 after 246 days
- Product code: MHX (Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms))
- Device class: 2
- Regulation: 21 CFR 870.1025
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K962603 (1997). 21 ancestors in all.
272 later devices descend from it; 4 cite it directly.
1 of 294 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K982776: 9303 Neonatal/Adult Vital Signs Monitor, Cas Medical Systems, Inc. (1998) Summary page 2.
- K982135: Oscillomate Ems Nibp Monitor Model 9001, Cas Medical Systems, Inc. (1998) Summary page 2.
- K980879: Oscillomate Nibp / SP02 Ems Monitor, Cas Medical Systems, Inc. (1998) Summary page 2.
- K021090: Oximax N-550 Pulse Oximeter,Model N-550 Pulse Oximeter, Nellcor Puritan Bennett, Inc. (2002) Summary page 2.
- K012891: Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and Cables (Aka Accessories), Nellcor Puritan Bennett, Inc. (2002) Summary page 2.
- K990966: Masimo Set 2000 Pulse Oximeter, Masimo Lnop -Adt-Adult/Pediatric Disposable Sensor, Masimo Lnop -PDT-Pediatric/Small Dis, Masimo Corp. (1999) Summary page 2.

## Most influential descendants
- K050844: 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS, 750CM-3MS, 750C-3NL, 750CM-3NL (2005), 264 descendants of its own
- K060065: CAPNOSTREAM20 Two Parameter Bedside Monitor & CAPNOSTREAM10 One Parameter Bedside Monitor (2006), 250 descendants of its own
- K072295: Capnostream 20 with A2 Adaptive Averaging Software (2007), 197 descendants of its own
- K082268: CAPNOSTREAM20 with Integrated Pulmonary Index (2009), 170 descendants of its own
- K091241: Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-Oximeter (2009), 155 descendants of its own

## Recalls of this device
- Jun 24, 2008 · Not classified · Z-2203-2008: Software: Audible alarm may be silenced if changed from the factory setting

## Indications for use
The CAS 740 Series Vital Signs Monitor is indicated for use for non-invasive monitoring of blood pressure, oxygen saturation, pulse and temperature of adult, pediatric and neonatal patients, in the care of health professionals.

Source page: https://510kreport.com/device/K033048
Methodology: https://510kreport.com/methodology