Læknablaðið - 01.04.1969, Page 20

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The B.D.Vacutainer System
UMBODA
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for ease and simplicity in biood collection

D

Screw needle into holder and place
tube in holder. (Fig.1.) Push tube
forward until top of stopper meets
guide line (see cross section) thus
avoiding blood leakage on entry into
vein or premature loss of vacuum.

J
With rear point embedded
in stopper. enter tissue.
If in vein, blood flows immediately. NOTE: Technician with small
4. hands. proceed as you would with a hypodermic syringe.
VESSEL 1

If in tissue instead of
vein—blood will not be
drawn. Therefore. con-
tinue until vempuncture
is signalled by intake of
blood into Vacutainer.
as shown in Fig. 4
Where vein cannot be located — to conserve
vacuum — release tube from rear cannula (see
arrow) before withdrawing needle from tissue.
What is a VACUTAINER Tube ?
An evacuated tube. used with a holder and sterile needle to draw blood
specimens.
When are they used ?
Any time a blood specimen is needed.
How are they used ?
Basically, like a syringe and needle.
tube stoppers anticoagulants
What do they replace ?
Syringes ... needles . test tubes
What are their advantages ?
TECHNIQUE
★ Specimen goes directly from vem into clean vacuum tube A
closed system every time . a good specimen every time
★ No need to transfer specimen from syringe to tube less
spoilage or damage to specimen.
Specimen ready to use or to transport to clinical laboratory
★ Tubes available with anticoagulant m proper proportion to
volume of blood to be drawn
★ Noneedtoaspiratetolocatevem
★ Tube and holder-needle can also serve as a dropper for
performance of tests
Becton, Dickinson U.K. Ltd.
To obtain blood drops
grasp holder as illustra-
ted and press bottom of
tube.
ADDITIONAL INFORMATION
INCOMPLETE VENIPUNCTURE which
may cause the tube to fill slowly or partially
may be corrected by deeper vein entry.
TRANSFIXING OF THE VEIN may be
corrected by coming back slowly with needle
until flow of blood indicates vein re-entry.
MULTIPLE SPECIMENS (2. 3 or more)
may be taken with one venipuncture and
without loss of blood by releasing tourniquet
and switching tubes while needle remains in
the vein.
VEIN OCCLUSION can be minimized by
using Vacutainer Adapter and smaller gauge
needles (23. 24 or 25 gauge) thus. slowing
up flow of blood.
CONVENIENCE
* Ready-to-use ehmmates time-consuming processing of
synnge. needle. etc
* Easier to use than syringe and needle . can be used with one
hand.
* Allows multiple specimens with single vempuncture.
* Ideal for taking field specimens for later laboratory analysis.
Elimuiar -s necessity of .mixing and measurmg anti-
coaguiants
A LABORATORV TEST IS NO BETTER THAN THE
SPECIMEN AND THE SPEClMEN NO BETTER THAf
THE MANNER IN WHICH IT WAS COLLECTED
B D AND VACUTAINtR ARE TRADEMARKS