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The oCare Wrist Pulse Oximeter, Model Pro 100, is a wrist-worn device indicated for use in noninvasive measuring, displaying, and storing functional oxygen saturation of arterial hemoglobin (% SpO2) and pulse rate (PR). The intended measuring site of this device is the wrist skin surface. It is intended for spot-checking or continuous monitoring of adult patients during no motion conditions, in hospital-type facilities, and home environments.

The oCare™ Wrist Pulse Oximeter, Model Pro 100 is a wrist-worn device for noninvasive measuring, displaying, and storing functional oxygen saturation of arterial hemoglobin (% SpO2) and pulse rate. The intended measuring site of this device is the lateral side of wrist and slightly above the wrist bone (ulnar styloid processus). The oCare™ Wrist Pulse Oximeter, Model Pro 100 is a watch-like device with a reflectance pulse oximetry sensor located at the bottom of the watch case and on top of the wrist. The reflectance pulse oximetry sensor includes three light emitting diodes (LEDs) of red, infrared and green wavelength and one photodiode light detector placed next to each other. Light beams are emitted from LEDs through the skin to the arteriolar bed of the tissue. Changes in light absorption during the pulsing cycle are measured by the photodiode light detector as scattered lights are reflected back from the pulsating arteriolar bed. The functional oxygen saturation of arterial hemoglobin (% SpO2) and pulse rate are measured by the well-established non-invasive pulse oximetry technology where the red and infrared light is absorbed in different amounts depending on the oxygenation of the blood during the arterial pulsing. The maximum optical output power is less than 2 mW. The oCare™ Wrist Pulse Oximeter, Model Pro 100 is a single-patient use, non-sterile pulse oximeter. It is available in one configuration as a standalone device with a wrist pulse oximeter and a detachable watchband for wearing the pulse oximeter on the wrist. The oCare™ Wrist Pulse Oximeter, Model Pro 100 is a compact and light weight device which consists of a reflectance pulse oximetry sensor, a color graphic OLED display, a lithium ion polymer rechargeable battery, a memory, an analog and digital unit, a microprocessor and an operating software.