Blood separating device and separating method for filtering leucocyte
A blood separation and white blood cell technology, applied in the field of blood separation devices for filtering white blood cells, can solve the problems of non-hemolytic fever reaction, low recovery rate of red blood cells, blood waste and other problems in blood transfusion patients, and achieve the prevention of aggregation, high separation efficiency and small damage Effect
Inactive Publication Date: 2010-11-10
XI AN JIAOTONG UNIV
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However, when the centrifugal blood separation method is used, the white blood cell filtration rate only reaches about 70%, and the red blood cell recovery rate is low. Too much, it is easy to cause severe non-hemolytic fever reaction in blood transfusion patients
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The invention relates to a blood separation device and a separation method, in particular to a blood separation device and a separation method used for filtrating leucocyte. The blood separation device comprises a piston pump device, a stepping motor and a control used for driving the piston pump device, a separation box, a raw blood bag, a vacuum bag communicated with the liquid conveying outletof the separation box, and a waste liquid bag which is communicated with the waste liquid outlet of the separation box; the blood separation device and the separation method are characterized in thatthe inlet and outlet of the piston pump device, the liquid conveying inlet of the separation box and the raw blood bag are communicated with each other by a three-way pipe; the raw blood bag is arranged at high attitude so as to carry out the blood separation; the stepping motor is controlled, the piston rod of the piston pump reciprocates, the blood flows, and the filtrated blood is collected atthe same time.
Description
A blood separation device and separation method for filtering white blood cells technical field The invention relates to a blood separation device and a separation method, in particular to a blood separation device and a separation method for filtering white blood cells. Background technique At present, the blood separation methods that filter out white blood cells mainly include: one is the filter membrane blood separation method, that is, the blood is passed through the filter membrane, and the purpose of blood separation is achieved by utilizing the difference in the size of the blood cells and the pore size of the micropores on the filter membrane. The filter membrane material adopts inorganic polymer such as multi-layer polyester fiber non-woven fabric, high-grade glass fiber and so on. This method is applied to make a filter membrane separation device with a porous membrane filter material as the main body. However, when the filter membrane blood separation method i...
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IPC IPC(8): B01D29/00B01D35/00B01D37/00A61M1/34
Inventor 王朝晖蒋庄德叶鹏王小章李柯润王敬王进举
Owner XI AN JIAOTONG UNIV
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