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1.发明公开
公开(公告)号：EP1036010A1
公开(公告)日：2000-09-20
申请号：EP98959395.9
申请日：1998-11-11
IPC分类号： B65D30/22
CPC分类号： A61J1/05 , A61J1/10 , A61M1/0209 , A61M2207/00 , B29C49/0047 , B29C51/00 , B29C65/18 , B29C66/1122 , B29C66/133 , B29C66/242 , B29C66/53262 , B29C66/63 , B29C66/71 , B29C66/712 , B29C66/81423 , B29C66/81427 , B29C66/81431 , B29C66/81811 , B29C66/8322 , B29C66/843 , B29K2023/083 , B29K2023/086 , B29K2027/06 , B29L2031/7148 , B29C65/00 , B29K2027/12 , B29K2023/12 , B29K2023/06
摘要： A flexible container comprises first and second flexible sheets of plastic material having peripheral edges, which have been sealed together along a plane to create an interior chamber in the container. At least one of the first and second flexible sheets includes a preformed, stress-relieved region, which is extended outside the plane and overlies at least a portion of the interior chamber.
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公开(公告)号：EP0877648A1
公开(公告)日：1998-11-18
申请号：EP97944406.0
申请日：1997-09-22
CPC分类号： B01D65/08 , A61M1/262 , A61M1/265 , A61M1/34 , A61M1/3403 , A61M1/341 , A61M2202/0429 , A61M2202/0439 , A61M2205/3334 , B01D39/1692 , B01D61/147 , B01D61/22 , B01D63/16 , B01D69/02 , B01D2321/20 , B01D2321/2025 , B01D2321/2058 , B01D2321/2066 , A61M2202/0042 , A61M2202/0035
摘要： A method and apparatus for filtering suspensions of medical and biological fluids, one aspect of which is separating a suspension comprising at least two types of particles (104) and (108) which are differently sized or shaped and in which a first type of red cell particle (104) may be deformable at a relatively lower force and/or faster rate than a second type of white cell particle (108). A filter membrane (100) is provided having pores (102) with substantially precisely dimensioned pore sizes, with the pores (102) being dimensioned to allow passage of the first type of particle (104) without distortion or only minimal distortion and passage of the second type of particle (108) only with substantial distortion. Because the filter membrane (100) has precisely dimensioned pores (102), with spacing between the pores (102) being maintained despite the smaller interval between the pores (102), the porosity of the membrane (100) may be relatively much greater, allowing faster filtration rates while reducing shear exposure time and consequently reducing particle damage. Various methods for preventing clogging of the membrane (100) are also disclosed.
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公开(公告)号：EP0877648B1
公开(公告)日：2006-11-22
申请号：EP97944406.4
申请日：1997-09-22
IPC分类号： B01D65/02
CPC分类号： B01D65/08 , A61M1/262 , A61M1/265 , A61M1/34 , A61M1/3403 , A61M1/341 , A61M2202/0429 , A61M2202/0439 , A61M2205/3334 , B01D39/1692 , B01D61/147 , B01D61/22 , B01D63/16 , B01D69/02 , B01D2321/20 , B01D2321/2025 , B01D2321/2058 , B01D2321/2066 , A61M2202/0042 , A61M2202/0035
摘要： A method and apparatus for filtering suspensions of medical and biological fluids, one aspect of which is separating a suspension comprising at least two types of particles (104) and (108) which are differently sized or shaped and in which a first type of red cell particle (104) may be deformable at a relatively lower force and/or faster rate than a second type of white cell particle (108). A filter membrane (100) is provided having pores (102) with substantially precisely dimensioned pore sizes, with the pores (102) being dimensioned to allow passage of the first type of particle (104) without distortion or only minimal distortion and passage of the second type of particle (108) only with substantial distortion. Because the filter membrane (100) has precisely dimensioned pores (102), with spacing between the pores (102) being maintained despite the smaller interval between the pores (102), the porosity of the membrane (100) may be relatively much greater, allowing faster filtration rates while reducing shear exposure time and consequently reducing particle damage. Various methods for preventing clogging of the membrane (100) are also disclosed.
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