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 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
   

• Syringe & Needle History
• Blood Drawing Using Evacuated Tubes
• Preanalytics

Blood Collection

• Venepuncture
• Blood collection Techniques
• Safety
• Potassium Variability in VACUETTE® Serum Separator Tubes and Vacutainer® Serum Glass Tubes
• VACUETTE® Selection Chart
• Tubes & Multipurpose Beakers
• Procedures for preparing and shipping samples
   

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