亚洲精品一区久久久久一品AV_老子影院午夜伦手机不卡国产_国产一区2区3区_欧美18aaaⅹxx_91免费在线看片_欧美一区免费看

In modern medical, how to collect blood become more and more improvement, which from the single collection become to vacutainer collection, now with the use in clinic the vacuum tube blood collection become the main.

At the clinic use, main for blood test and kinds of blood cell culture. In the finished tubes there are EDTA and other medical to prevent blood on wall of tube, and the EDTA can stop blood congeal.

With this kind blood collection device use in clinic which help a lot in cell study, include the blood cell test and analyze, when collect the blood in this kind tube, it can keep blood in activity for long time.

Also the medical add into vacuum tube can keep long time of the effective of the medicine, when blood into the tube can reacted fast and sufficient.