Vacuette - plastic evacuated tubes
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  • 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 patientís 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


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