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1. Important safety instructions
Follow instructions for use. This document provides
important product operation and safety information
regarding this device. Please read this document thor-
oughly before using the device and keep for future
reference.
This device may only be used for the purposes
described in these instructions. The manufacturer
cannot be held liable for damage caused by incorrect
application.
Precaution: Do not self diagnose or treat based on
measurement results, please always consult a doctor. The
product has no contraindications. The device has no side-
effects if used correctly and residual risk is acceptable.
Never immerse this device in water or other liquids.
For cleaning please follow the instructions in the
« Cleaning and disinfecting» section.
Do not use this device if you think it is damaged or
notice anything unusual.
Never open this device.
This device comprises sensitive components and must
be treated with caution. Observe the storage and oper-
ating conditions described in the «Technical specifica-
tions» section.
Protect it from:
water and moisture
Microlife OXY 210
extreme temperatures
impact and dropping
contamination and dust
direct sunlight
heat and cold
The function of this device may be compromised when
used close to strong electromagnetic fields such as
mobile phones or radio installations and we recom-
mend a distance of at least 1 m (according to 60601-1-
2 table 5). In cases where you suspect this to be
unavoidable, please verify if the device is working prop-
erly before use.
Do not use the device in an MRI or CT environment.
This device is not intended for continuous monitoring.
Do not sterilize this device using autoclaving or
ethylene oxide sterilizing. This device is not intended
for sterilization.
If the device is not going to be used for a prolonged
period the batteries should be removed.
Ensure that children do not use this device unsu-
pervised; some parts are small enough to be swal-
lowed. Be aware of the risk of strangulation in
case this device is supplied with cables or tubes.
Use of this device is not intended as a substitute
for a consultation with your doctor.
2. General description
Oxygen saturation indicates the percentage of hemoglobin
in arterial blood that is loaded with oxygen. This is a very
important parameter for the respiratory circulation system.
Many respiratory diseases can result in lower oxygen satu-
ration within human blood.
Following factors can reduce oxygen saturation: Auto-
matic regulation of organ dysfunction caused by anes-
thesia, intensive postoperative trauma, injuries caused by
some medical examinations. These situations may result in
light-headedness, asthenia and vomiting. Therefore, it is
very important to know the oxygen saturation of a patient
so that doctors can detect problems in a timely manner.
3. Measurement principles
Principle of this fingertip pulse oximeter: A mathemat-
ical formula is established making use of Lambert Beer
Law according to spectrum absorption characteristics of
deoxygenated hemoglobin (Hb) and oxyhemoglobin
(HbO2) in red and near-infrared zones.
Operation principle of this device: Based on full digital
technology, the fingertip pulse oximeter non-invasively
measures the actual content (oxygen saturation) of oxyhe-
moglobin (HbO2) in arterial blood using the optical trans-
mittance method. The fingertip pulse oximeter measures
the blood oxygen saturation and pulse rate of a human
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