It was reported that bd alaris smartsite needle-free valve the following information was received by the initial reporter with the verbatim: this material does not allow the cvc to be closed with positive pressure, which causes the blood to flow back, which is why some cvcs become obstructed.After an increase in the number of cases of obstruction of central venous catheters, we carried out tests and it was revealed that the valve in question is not neutral pressure.It presents significant backflow when the syringe is removed, causing the obstructions.
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