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Problems And Countermeasures of Using One-time Blood Collection

Views: 0     Author: Site Editor     Publish Time: 2024-08-28      Origin: Site

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Problems And Countermeasures of Using One-time Blood Collection

(1)    The blood collection needle slips out of the blood vessel. After successfully punctured, need one hand to held tail needle of blood collection device and one hand held vacuum blood collection vessel for blood collection. The hand handle is easy to slide left or right, resulting in the needle slipping out of the blood vessel and causing blood collection failure. Measures: After successfully punctured, fix the needle handle with tape immediately to prevent the needle handle from sliding, and then blood collection can be assured.



(2)    The tail needle falls off or the tail needle and the hose seat leak blood, resulting in blood waste. Measures: Connect the hose seat to the tail needle firmly before blood collection, and fix the hose seat tightly with the middle finger of the tail needle holder during blood collection.



(3)    Blood vessels deflated and collapsed during blood collection. After the vacuum collection vessel is connected, the blood vessel will be deflated and collapsed due to the greater negative pressure in the tube for a moment, and the needle will be close to the blood vessel wall, resulting in blood collection difficulties or blood collection failure. Measures: Try to choose adequate blood volume, straight blood vessels.



(4)    There is still excess blood in the transparent hose after blood collection. The vacuum blood collection tube uses negative pressure to draw blood into the tube. When the blood collection is completed, most of the blood in the transparent hose cannot be injected into the tube again due to the equal pressure inside and outside the tube. Measures: When the last blood collection tube is connected, the tourniquet will be untied, and the needle will be withdrawn when the required blood amount is nearly full, so that the blood in the transparent hose will be sucked into the tube by negative pressure, which will not cause the above waste.



(5)    After the successful puncture of the blood vessel, the vacuum blood collection vessel is connected, but the blood cannot enter the tube. At this time, insufficient blood volume and vascular collapse are excluded, mostly due to the disappearance of negative pressure in the vacuum blood collection tube. Measures: If the previous blood collection fails, as long as the tail needle into the test tube, even if the test tube is not contaminated, it can not be used again, the test tube must be replaced when collecting the blood again, do not put the tail needle into the vacuum test tube before blood collection, the above two points will make the vacuum test tube communicate with the atmosphere, so that the negative pressure disappears, the blood can not automatically flow to the tube, resulting in blood collection failure.


Shengshi Dongtang Jiangsu Biotechnology Co., Ltd. was founded in 2014, the company located in Taizhou pharmaceutical high-tech Industrial Park, is a collection of research and development, production and sales of in vitro diagnostic test paper in one of the industrial enterprises.
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