Front | Back |
15-17 gauge
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Special needle attached to collection bag
Collection of donor units, autologous blood donation, and therapeutic phlebotomy. |
Syringe - 18 gauge
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Used primarily as a transfer needle rather than for blood collection; safety issues have diminished use.
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Multisample syringe - 20 gauge
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Sometimes used when large- volume tubes are collected or large- volume syringes are used on patients with normal- size veins.
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Multisample syringe - 21 gauge
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Considered the standard venipuncture needle for routine venipunture on patients with normal veins or syringe blood culture collection.
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Multisample syringe - 22 gauge
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Used on older children and adult patients with small veins or syringe draws on difficult veins.
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Butterfly - 23 gauge is most common
25 gauge is to collect blood from scalp or other tiny veins of premature infants and other neonates. |
Veins of infants and children and difficult or hand veins of adults.
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23 gauge
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Using a needle smaller than a 23 gauge increases the chance of hemolyzing the specimen.
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