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The Masimo 2220 rainbow® is a single-patient-use adhesive Pulse CO-Oximetry sensor that measures SpO2, SpCO, SpMet from one application site for infant (3-30 kg) patients. Designed for use with the Rad-57 and other rainbow SET devices, it is a core tool for carbon-monoxide poisoning assessment in fire-based EMS, hazmat response, and emergency medicine.
Product Highlights
Three parameters, one sensor: SpO2, SpCO, SpMet via Masimo rainbow Pulse CO-Oximetry®
Adhesive sensor for infant (3-30 kg) patients
10/box, single-patient use, non-sterile
Requires a rainbow® RC patient cable (20-pin) — not compatible with standard M-LNC cables
Ground & Flight EMSRuggedized for ambulance bags and rotor-wing transport. Standard on paramedic and critical-care transport rigs.
Fire-Based EMSFast setup for first-arriving engines and squad units. Works in strobe-light and sunlight conditions typical of scene work.
Hospital & EDSpot-check and continuous monitoring in emergency departments, ICUs, and procedural areas.
Dental, Clinic & Urgent CareConscious sedation monitoring, pre-op assessment, and general oxygenation checks for outpatient practices.
Frequently Asked Questions
What is the difference between SpO2, SpCO, and SpMet?
SpO2 is oxygen saturation — the classic pulse-ox reading. SpCO is noninvasive carboxyhemoglobin, used to screen for carbon-monoxide exposure and poisoning. SpMet is noninvasive methemoglobin, relevant to certain drug exposures (benzocaine, dapsone, nitrites). This sensor measures all three from one application site.
Why does this need a rainbow RC cable and not an M-LNC?
Rainbow sensors carry extra wavelengths for SpCO and SpMet measurement and use the 20-pin rainbow connector. Standard 14-pin M-LNC cables are SpO2-only and cannot transmit the rainbow data channels.
How long can a single sensor stay on a patient?
This is a single-patient-use adhesive. Per Masimo's instructions for use, the site should be rotated per facility protocol, typically every 4 hours or sooner if skin integrity is a concern. Always follow the Masimo IFU and your agency policy.
Are these genuine Masimo products?
Yes. Pacific Biomedical stocks authentic Masimo OEM product. All items ship new in original Masimo packaging with full manufacturer warranty.
How quickly does this ship?
Most in-stock items ship within 1–2 business days from our warehouse. Expedited and overnight options are available at checkout.
How do I place an order or request a quote?
Email CustomerService@pacificbiomedical.com or call us at (844) 436-3526. We support net terms for agencies and hospitals, and we ship to all 50 states.