Handheld Pulse Oximeter

Handheld Pulse Oximeter with Real-Time Measurements, External Finger Probe, Advanced Data Storage and Review Functions

This Handheld Pulse Oximeter is intended for measuring and recording the pulse rate and functional oxygen saturation (SpO2). It is applicable for monitoring SpO2 and pulse rate of adult and pediatric patients in clinical institutions and homes.

Meaning of SpO2

SpO2 is the saturation percentage of oxygen in the blood, so called O2 concentration in the blood; it is defined by the percentage of oxyhemoglobin (HbO2) in the total hemoglobin of the arterial blood. SpO2 is an important physiological parameter to reflect the respiration function; it is calculated by the following method:

SpO2 = HbO2/ (HbO2 +Hb)×100%

HbO2 are the oxyhemoglobins (oxygenized hemoglobin), Hb are those hemoglobins which release oxyg.

Normal SpO2 Range and Default Low Limit

In campagna area, healthy people’s SpO2 value is greater than 94%, so the values below 94% are determined as hypoxia. SpO2<90% is considered as the default threshold for determining anoxia by most researchers, so SpO2 low limit of the oximeter is set as 90% generally.

Factors affecting SpO2 accuracy (interference reason)

1. Intravascular dyes such as indocyanine green or methylene blue
2. Exposure to excessive illumination, such as surgical lamps, bilirubin lamps, fluorescent lights, infrared heating lamps, or direct sunlight.
3. Vascular dyes or external used color-up product such as nail enamel or color skin care
4. Excessive patient movement
5. Placement of a sensor on an extremity with a blood pressure cuff, arterial catheter, or intravascular line
6. Exposure to the chamber with High pressure oxygen
7. There is an arterial occlusion proximal to the sensor
8. Blood vessel contraction caused by peripheral vessel

Factors causing low SpO2 value (pathology reason)

1. Hypoxemia disease, functional lack of HbO2
2. Pigmentation or abnormal oxyhemoglobin level
3. Abnormal oxyhemoglobin variation
4. Methemoglobin disease
5. Sulfhemoglobinemia or arterial occlusion exists near sensor
6. Obvious venous pulsations
7. Peripheral arterial pulsation becomes weak
8. Peripheral blood supply is not enough

Product Details

Measurement Parameters: SpO2, Pulse Rate, Perfusion Index
Waveform Display: Plethysmogram, Pulse intensity histogram
Alarm Function: Audio and Visual Alarm
Beep alarm for abnormal readings with adjustable limits (can be configured by user)
Mute function - suitable for use during longer-term sleep apnea monitoring
Automatic power-off after the finger is removed from the probe
Optional PC data management software for transmission and analysis of measurement data (software and computer cable available as an accessory set)
Includes metal stand with rubber feet to hold the unit in place while being used
Warranty: Two years
Certification: FDA, CE, RoHS, ISO 13485, MDD93/42/EEC

Package Contents

1 * Pulse Oximeter
1 * External Probe
1 * User Manual
1 * Warranty Card

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