venipuncture equipment chapter 8 Flashcards
equipment needed for venipuncture
Antiseptic cleaning solutions
bandages
collection tubes
gauze pads
gloves
marking pens
needles
needle holders
needle disposal containers
tourniquets
wing infusion sets(butterflies)
how often should empty and disinfect the tray?
once a week or more often
w a 10% bleach solution
the smaller the gauge number
the larger the lumen diameter
the larger the number
the smaller the lumen
needed packs are color coded by?
gauge
for easy identification
choice of gauge ?
is determine by type of collection
collection tube size and condition of patient
largest diameter needles routinly used in phlebotomy is …
21-22
blood banks uses needle size…
16-18 gauge
smallest needles commonly used
23 gauge
(for collection from small , fragile veins
gauge for rutine adult collection
21 gauge
large needle deilver blood more quickly BUT
are more damaging to the tissue and may collapse the vein
small needles are less damaging BUT
slower collection and the blood cells may be hemolyzed as they pass through the narrower opening
COLOR CODED NEEDLES
blsck
green
yellow
22- 1inch,1 1/4 1 1/2
21- 1inch,1 1/4 1 1/2
20- 1/2 inches
Evacuated Collection Tubes
Color-coded collection tubes for draws
* Each tube contains an additive
* Expiration date
Tops
Thick rubber stoppers or rubber stoppers covered with plastic tops
* Minimizes the chance of aerosol spray forming when the stopper is removed
* Shatter-resistant plastic, OSHA mandates
