What is a Nonin Pulse Oximeter?

A Nonin 9500 pulse oximeter is a medical device which fundamentally measures the arterial oxygen saturation of haemoglobin (Hb) of a patient. The Nonin oximeter does this with a probe attached to the body where the blood flow is excellent for more concise results. The ideal spots are finger, toe or ear lobe which is then linked to a computerized unit.

This method of measuring oxygen in blood is known as Pulse Oximetry. How Does A Nonin Pulse Oximeter Work? The Nonin pulse oximeter uses red and infrared light to detect oxygen in the patient’s blood stream.

Infrared light would be absorbed more by hemoglobin which carries the oxygen, but red light will be allowed to pass through. On the other hand, red light would be absorbed more by hemoglobin without much oxygen but infrared light will be allowed to pass through. Once the information is gathered and transmitted to the machine or device, the ratios of red to infrared light are calculated and compared to a model table to determine the ... more.

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