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Role Of Blood Bag In The Revolution Of Medical Ground
The blood bag may appear like a very basic piece of storage, but the development of this was a turning point in our medical ground.
Without the possibility of a blood transfusion there are a lot of operations which might not be carried out and would never have been tried. We take the concept of a blood transfusion for granted. But actually, a blood transfusion is a somewhat recent development.
At first there was no method to preserve blood, so each transfusion had to be absolutely from one vein into a second vein. This was certainly very limiting. Blood could not be preserved until a suitable anticoagulant was discovered. Richard Lewison discovered this in 1915; sodium citrate.
In just a few years blood was being donated and stored for few days at a time. This provided many of those wounded during the last years of the First World War an opportunity to survive.
The blood was being donated and stored in glass bottles. It was already found that blood could be divided into its constituent parts of blood plasma and packed cells; but this was very hazardous due to the chance of contamination during the process.
Nonetheless, with the development by Fenwal Company of the plastic blood bag in 1953 everything changed. This was a simple way to store and transfuse blood with little contamination risk; abruptly so much more was possible.
The first blood banks were established in the Soviet Union, United States and Europe in the late 1930s. Although it would take many years to upgrade the glass storage jars, in all areas, the process was established and immediately there were more and more uses of blood transfusions and more complicated surgeries were happening with this additional support.
So now the blood could be obtained, divided, and preserved; but transportation still needed to be conquered. Blood needs to be stored at the right temperature and a consistent temperature. Just as the mobile phone has gone from the volume and weight of brick to something not much bigger than a credit card; so the transport of blood has advanced.There are now thermal blood carrying bags which enable medics to take blood to where ever it is required. These are important for the quick and effective treatment we have all come to expect.
So the little blood bag has revolutionised our planet, and yet many people will never know the names of the people who are contributing for saving lives every minuet of every day.
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