PT tube is used for blood coagulation test and
applicable to fibrinolytic system(PT,TT, APTT and fibrinogen, etc.
The
mixing ratio is 1 part citrate to 9 parts blood.
Accurate ratio can guarantee
effectiveness of the testing result and avoid misdiagnosis, as the sodium
citrate has very little toxicity, it is also used for blood storage, do draw
sufficient blood volume to ensure accurate testing result.
PT tube with
double-deck is with little dead space, Which can be used to monitor the test of
vWF, F Ⅷ , platelet functions, Heparin therapy