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    • 7. 发明授权
    • Blood separation system
    • 血液分离系统
    • US5102407A
    • 1992-04-07
    • US493024
    • 1990-03-13
    • Raleigh A. CarmenWillie J. LewisEva Sajan
    • Raleigh A. CarmenWillie J. LewisEva Sajan
    • A61J1/10A61M1/02
    • A61M1/0209
    • Blood bag system for separating whole blood into upper, middle, and lower components which can then be isolated from each other in an automated manner. The system comprises a primary or main blood bag having first and second outlet ports. The first outlet port communicates via tubing with a first satellite bag. The second outlet port communicates via tubing with a second satellite bag at one end and at the other end communicates with a tubular member extending into and toward the bottom of the main bag. In use whole blood is drawn into the main bag through an inlet port and centrifuged to form an upper, less dense plasma portion, a lower, more dense red blood cell (RBC) portion and an intermediate portion of buffy coat (including platelets). Pressure is then applied to the bag with the first outlet open and the second outlet closed to express all of the upper plasma through the first outlet port after which the first outlet port is closed and the second outlet is opened. The lower RBCs are expressed by pressure through the tubular member and second outlet, leaving only the intermediate buffy coat in the main bag. The system may be automated with sensors to monitor and control the flow of fluids through each outlet and from the main bag.
    • 10. 发明授权
    • Red blood cell filtering system
    • 红细胞过滤系统
    • US4915848A
    • 1990-04-10
    • US304133
    • 1989-01-31
    • Raleigh A. CarmenChiyong ChongBarry S. Leng
    • Raleigh A. CarmenChiyong ChongBarry S. Leng
    • A61M1/02A61M1/36
    • A61M1/0209A61M1/0218A61M1/3633A61M2202/0439
    • Closed filtering system for relatively fast and efficient removal of white blood cells from a red blood cell mixture. System comprises at least two blood bags in closed communication with each other via an intermediate filter assembly comprising a housing containing continuous filtering fiber. A preferred housing is tapered and the fiber preferably has a generally Y-shaped cross sectional area and it is adapted to permit substantial removal of white blood cells from a red blood cell mixture with minimal red blood cell hemolysis when the mixture is diluted with preservative solution and passed from one bag to the other at a relatively high flow rate. Filtration is completed within 24 hours, preferably within 6 hours, of whole blood donation.
    • 用于从红细胞混合物中相对快速有效地除去白细胞的封闭过滤系统。 系统包括通过中间过滤器组件彼此密封连通的至少两个血袋,所述中间过滤器组件包括含有连续过滤纤维的壳体。 优选的壳体是锥形的并且纤维优选地具有大致Y形的横截面积,并且其适于允许当用防腐剂溶液稀释混合物时从红细胞混合物中显着除去白细胞,同时具有最小的红细胞溶血 并以相对高的流量从一个袋子传递到另一个袋子。 过滤在全血献血的24小时内,最好在6小时内完成。