It was reported when using the bd vacutainer® 9nc 0.109m plus blood collection tubes the negative pressure was not enough for blood collection.The following information was provided by the initial reporter.The customer stated: "the nurse collected the patient's blood for testing.The process of collecting the yellow tube was smooth, and then the blue tube was collected, and the blood did not flow out until enough blood was collected.The nurse judged that the negative pressure of the blood collection tube was not enough, and immediately replaced the blue tube for the patient, and the collection went smoothly.".
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