Vacuette
- plastic evacuated tubes
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a Glance
The evacuated
blood collection
system consisted of a needle assembly which had a distal needle that was
inserted into the patient and a proximal needle that was in the backend
of the holder.
During a blood
drop procedure,
the distal end of the needle would enter into the patient’s vein.
The evacuated tube
would be pushed down onto the proximal needle so that blood entry from
the patient would fill up the evacuated tube.
The vacuum enabled
the tube to
fill out with the appropriate volume of blood.
When multiple
specimens were
required, additional evacuated tubes would then be inserted into the
holders after the completion of the previous draw.
Two companies are
major players supplying products world wide