The pulse oximeter is reuse device and intended use for spot checking of the pulse oxygen
saturation and pulse rate for adult in clinic environment. This medical device can be reused. Not
for continuously monitoring.
Applicable people and scope
It is suitable for monitoring adults. It is used in clinic section office, out-patient department,
sickroom. It can also be used in the recovery and health care organizations, the community
medical treatments.
Contraindications
The product only applies to adults. Please don’t use the product for children, infant and neonatal.
The damaged skin tissue can’t be measured.
Measurement Principle
The operating principle is based on light transmission through the hemoglobin. The light
transmission of a substance is determined by the Beer-Lambert law, which determines the
concentration of a solute (oxyhemoglobin) in a solvent (hemoglobin) can be determined by light
absorption. The blood stain depends on the blood oxygen levels, and the blood with high oxygen
concentration presents red color due to high concentration of oxyhemoglobin. When the
concentration is reduced, the blood takes on a more bluish, due to a greater presence of
deoxyhemoglobin (combination of hemoglobin molecules with carbon dioxide). That is, blood is
based on spectrophotometry, measuring the amount of light transmitted through the capillaries of
the patient, synchronized with the heart pulse.
1. Infrared Light Emitting 2. Infrared Light receiver
Safety Information
⚫ The person who uses the pulse oximeter must receive adequate training before use.
⚫ The pulse oximeter is intended only as adjunct in patient assessment. It must be used in
conjunction with clinical signs and symptoms. It is not intended as a device used for
treatment purposes.
⚫ When using the pulse oximeter together with the electrical surgery equipment, the user
should pay attention to and guarantee safety of the patient being measured.
⚫ EXPLOSION HAZARD: Do not use the pulse oximeter in the presence of flammable
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