A na-eji agịga mkpokọta ọbara nru ububa yana Vacuum Blood Collection Tubes maka mkpokọta ọbara yana nlele ọbara n'ụlọọgwụ ma ọ bụ ụlọ ọgwụ. A na-emechi usoro nchịkọta ọbara iji hụ na a naghị ekpuchi tube agịga ahụ, a na-ekpuchikwa ọbara ahụ n'ime oghere dị nchebe, ọ bụghị na kọntaktị na gburugburu ebe obibi, iji zere mmetọ nke abụọ mgbe ị na-echebe gburugburu ebe obibi.