The pulse oximeter technology has been in place for a very long time since it was first made commercially available in 1970s. At the time of introduction, the devices were so cumbersome and could weigh up to 35lbs. They were also uncomfortable to use and were so expensive selling at an average price of 10, 000 each. This has so far changed and getting a nice looking sizable recording pulse oximeter is not an issue any more.
The working of these gadgets depends on scientific principles commonly used. Oxygenated blood usually absorbs red light about 660nm while the deoxygenated blood absorbs infrared light at 940nm. The oximeters are thus designed with two LEDs at 660nm and 960nm and two sensors to gather the same. Once emitted, the LED lights go through tissues from where given amount is absorbed depends on oxygen levels in the blood. The rest is detected by sensors that process it into readable data. Some of the information made available from the device include pulse rate, oxygen absorption rate and the cardiovascular data.
Not all of these devices work in the same manner. It is therefore important to understand features of an ideal oximeter before setting off to buy one. The decisions should be based on the brand name or prices only, rather, focus on getting high quality devices at significantly lower price tag.
To start with, the model must be FDA approved. Given that pulse oximeter falls in the class II classification of medical gadgets, it must have FDA approval before it can be sold to the public. Presently, the greater part of them have FDA approval, but just for confirmation, it is advisable to run through the FDA medical Device Database, enter the model name or manufacturer name and get details regarding its approvals.
The most significant aspect however is to find out is the device is able to give very accurate and reliable readings at its specific working range. The role is to measure the oxygen saturation level in the blood tissue and the results are very useful. As such, your goal is to obtain the device that gives the best possible results. You can compare it with those used in medical facilities for its accuracy level.
As much as possible, your device should be easy to use. In fact, the manual guide should be enough to help you through. If you find yourself having to find an expert to help you, then the device is possibly not the right one. In addition to this, the size also matters. Most people prefer a sizable one that is easy to carry around and safely store.
In addition the above mentioned features, there are several other features to look for in an oximeter. This includes its memory capacity, the possibility to connect with computers or phones for data processing. More so, the devices that have multi-person memory (store data for more than one person) are also considered superior.
Other issues that should also put into consideration are the battery lifespan, the case for the device, its logbook, the ease of storage and general appearance among others. If all these are put into consideration, then the value for money is likely to be realized.
The working of these gadgets depends on scientific principles commonly used. Oxygenated blood usually absorbs red light about 660nm while the deoxygenated blood absorbs infrared light at 940nm. The oximeters are thus designed with two LEDs at 660nm and 960nm and two sensors to gather the same. Once emitted, the LED lights go through tissues from where given amount is absorbed depends on oxygen levels in the blood. The rest is detected by sensors that process it into readable data. Some of the information made available from the device include pulse rate, oxygen absorption rate and the cardiovascular data.
Not all of these devices work in the same manner. It is therefore important to understand features of an ideal oximeter before setting off to buy one. The decisions should be based on the brand name or prices only, rather, focus on getting high quality devices at significantly lower price tag.
To start with, the model must be FDA approved. Given that pulse oximeter falls in the class II classification of medical gadgets, it must have FDA approval before it can be sold to the public. Presently, the greater part of them have FDA approval, but just for confirmation, it is advisable to run through the FDA medical Device Database, enter the model name or manufacturer name and get details regarding its approvals.
The most significant aspect however is to find out is the device is able to give very accurate and reliable readings at its specific working range. The role is to measure the oxygen saturation level in the blood tissue and the results are very useful. As such, your goal is to obtain the device that gives the best possible results. You can compare it with those used in medical facilities for its accuracy level.
As much as possible, your device should be easy to use. In fact, the manual guide should be enough to help you through. If you find yourself having to find an expert to help you, then the device is possibly not the right one. In addition to this, the size also matters. Most people prefer a sizable one that is easy to carry around and safely store.
In addition the above mentioned features, there are several other features to look for in an oximeter. This includes its memory capacity, the possibility to connect with computers or phones for data processing. More so, the devices that have multi-person memory (store data for more than one person) are also considered superior.
Other issues that should also put into consideration are the battery lifespan, the case for the device, its logbook, the ease of storage and general appearance among others. If all these are put into consideration, then the value for money is likely to be realized.
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