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.
Other than that, the issue of accuracy and dependability is very important. With the basic role of measuring the oxygen absorption rate and the pulse rate, the point is to get the devices that have the highest possible accuracy level with the most reliable readings. Most people compare the available options to those in hospitals so as to be sure of their dependability.
Other than this, simplicity also matters. As much as possible, the user guide should be enough to guide you through without having to hire services from an expert which significantly increases expenses. What this means is that the ideal device is very easy to use, read and interpret data. Additionally, its size should also be comfortable to carry around and store as required.
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.
Other than that, the issue of accuracy and dependability is very important. With the basic role of measuring the oxygen absorption rate and the pulse rate, the point is to get the devices that have the highest possible accuracy level with the most reliable readings. Most people compare the available options to those in hospitals so as to be sure of their dependability.
Other than this, simplicity also matters. As much as possible, the user guide should be enough to guide you through without having to hire services from an expert which significantly increases expenses. What this means is that the ideal device is very easy to use, read and interpret data. Additionally, its size should also be comfortable to carry around and store as required.
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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