How The Blood Bag Changed The Face Of Hospital Management
The blood bag may sound like a fairly basic piece of thing, but the development of this was a turning point in our medical ground.
Without the advantage of a blood transfusion there are many operations which could not be performed and would never have been tried. We take the idea of a blood transfusion for granted. But precisely, a blood transfusion is a quite recent development.
At first there was no means to store blood, so a transfusion had to be absolutely from one vein into a second vein. This was obviously very restricting. Blood could not be preserved until a suitable anticoagulant was discovered. Richard Lewison invented this in 1915; sodium citrate.
Within just a couple of years blood was being donated and stored for few days at a time. This provided many of those injured during the last years of the 1st World War a possibility to thrive.
The blood was being donated and stored in glass containers. It was already discovered that blood could be divided into its component parts of blood plasma and RBCs; but this was very unsafe due to the possibility of contamination during the procedure.
Nonetheless, with the growth by Fenwal Company of the plastic blood bag in 1953 everything changed. This was a great way to store and transfer blood with minimal contamination risk; quickly so much more was possible.
The first blood banks were launched in the Soviet Union, United States and Europe during the late 1930s. Although it would need many years to upgrade the glass storage jars, in all areas, the process was established and immediately there were increasingly more uses of blood transfusions and more daring surgeries were happening with this extra support.
So now the blood could be obtained, divided, and preserved; but transport still needed to be discovered. Blood needs to be stored at the appropriate temperature and a constant temperature. Just as the mobile phone has gone from the volume and weight of brick to something not much larger than a credit card; so the transport of blood has progressed.There are now thermal blood carrying bags which allow medics to take blood to where ever it is necessary. These are important for the quick and efficient treatment we have all come to expect.
So the small 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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