Hello everyone,
Bubbles are the eternal problem of all those who carry a bomb.
From our experience:
1.- Before loading the pump insulin cartridge, insulin must be approx.24h.Outside the fridge, having the insulin greater density than other íiquides, the cold makes a kind of bubble foam form.
2.- When you are loading the cartridge and are forming small bubbles before loading it completely you take it out and load air, so that a large bubble is formed that absorbs the small ones, moving it a little and giving some taps the small bubbles are "" "They integrate "in the big one. Once you have the large bubble you focus on the cartridge and you are expelling it by pressing the plunger, but before you completely expel it again to prick the cartridge in the road or pen and end up expelling that great that greatbubble inside the vial.Then and without taking the pricked cartridge on the road, finish loading the missing insulin.The cartridges are usually 350 units.But you can load a little more, load it butt so that you can then expel something of insulin when making the last purge.
We work this form very well.
When you change the cartridge, once installed in the pump, you also have to purge the infusion set, take advantage of this purged to, while the insulin is expelled, hitting the pump so that the bubbles rise and goleaving the catheter.
As insulin is transparent and the cannula as well and the air too, it is recommended that the load be made on a color surface pulling dark, we use a green kitchen cloth, so that it is contrast.
As soon as I can hang a video.
On YouTube a video circulates from an American girl who does is extract the air from the road, so that insulin is "in the void".It is not a bad way, the problem is that when loading the cartridge, when pulling the plunger, as in the vial there is a vacuum surface it costs a lot of loading, it costs a lot to pull the plunger, but there are people to whom it works.
By the way, what they say that the heat of the body causes bubbles to appear ..... a fallacy, a lie, and if it were true, that it is not, go because it would be the device that has manufactured in Medtronic.If the cartridge is full and without air inside it is physically impossible for bubbles to appear, air cannot enter and air cannot be formed.Try to heat a cartridge without air in the microhonda, loaded with water at a temperature of 35ºC, nothing happens, only if we happen you can melt the plastic of the cartridge.
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