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Background
The Masimo Radical-7 is a clinical-grade Pulse CO-Oximeter designed for continuous, noninvasive patient monitoring. It functions as a bedside monitor, a detachable handheld unit, or a transport monitor. Its core technology is Masimo's SET (Signal Extraction Technology) pulse oximetry. Key measurements include oxygen saturation (SpO2), pulse rate, perfusion index (Pi), pleth variability index (PVi), and respiration rate (RRp).
The device features a multi-touch, high-definition LCD display,a rechargeable battery providing approximately 4 hours of handheld use, built-in 802.11 Wi-Fi and Bluetooth connectivity, and up to 72 hours of trending data.
It was given initial FDA clearance and released in October 2005. The device is still used in medical facilities today and remains actively listed and sold by Masimo and third-party medical equipment distributors. It is a prescription-only medical device intended for use by trained healthcare professionals, including clinicians, nurses, anesthesiologists, and biomedical technicians in acute and general care settings. It is not intended to be used as a consumer or home-use device.
New units are priced as a professional medical device and are generally not listed with public retail pricing by Masimo directly.
The Radical-7 is a highly regarded device in pulse oximetry, largely due to Masimo's SET technology. The device's upgradeable rainbow SET platform also sets it apart, as it allows facilities to expand their capabilities through upgrading software rather than replacing hardware.
No formal FDA recall has been issued specifically for the Radical-7. However, it is important to know that battery swelling is a known issue across Masimo products.
The Radical-7 represents the generation of Masimo monitors that transitioned to touchscreen interfaces and modular software-based upgradability, making it a pivotal model in the company's clinical monitoring lineup. The Radical-7 is part of Masimo's broader line of SET and rainbow SET pulse oximeters, which includes devices such as the Rad-8, Rad-57, Rad-87, and Rad-97.
Sources:
- https://www.accessdata.fda.gov/scripts/c...
- https://techdocs.masimo.com/globalassets...
- https://www.masimo.com/products/root/rad...
- https://norsomedical.com/masimo-root-wit...
Identification
The overall design of the Masimo Radical-7 is clean and purposeful, consistent with professional medical equipment intended for high-visibility clinical environments. It consists of two primary components:
- Handheld monitor unit
- Separate docking station
The Masimo logo and Radical-7 branding are prominently displayed on the device. The sensor cable connector port is located on the bottom of the handheld unit, and a docking connector is located on the back for interfacing with the RDS docking station.
Technical Specifications
The handheld unit measures 8.9" x 3.5" x 2.1" and weighs 1.2 lbs. It operates in humidity of 5–95% (non-condensing) and at altitudes up to 18,000 ft. Connectivity includes 802.11 Wi-Fi and Bluetooth.
The device operates on 100–240 VAC (47–63 Hz) and includes a rechargeable lithium-ion battery providing approximately 4 hours of handheld use. An optional NiMH docking station battery is also available.
The display is a 480 x 272 TFT color LCD (also available in monochrome blue), with multi-touch support and automatic gravity-activated rotation. The device stores up to 72 hours of trending data at 2-second resolution.
Sources:
- https://www.masimo.com/products/bedside-...
- https://mfimedical.com/products/masimo-r...
- https://norsomedical.com/masimo-root-wit...
Additional Information
Queen's University Touchscreen Training Guide
