Popular Pulse Oximeter

A pulse oximeter is a noninvasive medical device that is used to measures the oxygen diffusion in a patient’s blood and pulse rates. This medical measuring instrument is very convenient and useful as it can be used with no trouble anytime and anywhere. These are abundant benefits and usages of this pulse measuring device.

Types of Pulse Oximeters There are many types of pulse oximeters. Each are made to cater to one’s medical needs. One of the most widely known and used type of pulse oximeters is the finger pulse oximeter.   Tips in Buying Buying a pulse oximeter can prove to be a good investment for you, especially if you really need to monitor your blood. Buying pulse oximeters has become a fad.

Pulse oximeters are clipped to a semi-transparent part of a patient’s body which can be usually a finger or earlobe. A photodiode is faced with a pair of small light-emitting diodes, which has two different wavelengths. One LED is an infrared and the other is red.

Absorption at the said wavelengths differs a lot between oxygenated and deoxygenated blood, thus, making it possible to calculate the ratio between the two. There are possibly four pulse oximeter types which includes fingertip, wrist, handheld and tabletop. Each of these types is made to cater to one’s medical needs.