WO2005032619A1 - 血液処理回路の製造方法およびフィルターユニット - Google Patents
血液処理回路の製造方法およびフィルターユニット Download PDFInfo
- Publication number
- WO2005032619A1 WO2005032619A1 PCT/JP2004/014203 JP2004014203W WO2005032619A1 WO 2005032619 A1 WO2005032619 A1 WO 2005032619A1 JP 2004014203 W JP2004014203 W JP 2004014203W WO 2005032619 A1 WO2005032619 A1 WO 2005032619A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tube
- bag
- blood
- filter unit
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0218—Multiple bag systems for separating or storing blood components with filters
- A61M1/0222—Multiple bag systems for separating or storing blood components with filters and filter bypass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0209—Multiple bag systems for separating or storing blood components
- A61M1/0231—Multiple bag systems for separating or storing blood components with gas separating means, e.g. air outlet through microporous membrane or gas bag
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
Definitions
- the present invention relates to a method of manufacturing a blood processing circuit for processing collected blood and the like, and a filter unit.
- Patent Document 1 [0005]
- Patent Document 1 has the following disadvantages.
- this in-line filter has a circuit, a filter, and a nog, all of which are connected in a closed system, and is capable of aseptically processing blood.
- the bulk increases (the whole system increases in size).
- the blood bag system is separated from a filter and a collection bag (a filter with a collection bag) on the downstream side of the filter, and the blood bag system collects blood during the leukocyte removal processing.
- a system that uses a bag and a filter with a collection bag connected by a connector is disclosed (for example, see Patent Document 2 below).
- Patent Document 1 Japanese Patent Publication No. 6-59304
- Patent Document 2 Japanese Patent No. 2952433
- An object of the present invention is to provide a blood processing circuit manufacturing method and a filter that can obtain an optimal preparation by connecting and using one unit of a filter only when it is necessary to remove a predetermined component in blood. To provide units.
- Another object of the present invention is to make it possible to sterilize the knot coupled body and the filter separately, thereby enabling sterilization under sterilization methods and sterilization conditions suitable for each.
- An object of the present invention is to provide a method of manufacturing a blood processing circuit and a filter unit.
- Another object of the present invention is to provide a method of manufacturing a blood processing circuit and a filter unit capable of easily, promptly and appropriately aseptically connecting tubes.
- the present invention provides a first bag for storing blood collected blood, a second bag for storing blood or blood components, the first bag and the second bag.
- Connecting A filter having an inlet and an outlet for removing a predetermined component from the liquid introduced from the inlet to a sterilized Nog coupling body having a first tube, and both ends connected to the inlet and the outlet, respectively.
- a method for manufacturing a blood processing circuit by aseptically connecting a sterilized filter unit having a second tube and a sterilized filter unit.
- the filter cutout can be connected and used only when it is necessary to remove a predetermined component of the blood pressure, and can be used in accordance with the situation at the site, in particular, according to the condition of the patient or the case.
- Optimal formulation can be obtained.
- processing operations including tube connection operations can be performed easily, quickly, and accurately.
- the present invention provides a first bag for storing blood collection blood, a second bag for storing blood or blood components, and a first tube connecting the first bag and the second bag. Sterilizing the bag assembly comprising:
- the present invention provides a first bag for storing blood collection blood, a plurality of second bags for storing blood or blood components, and a first tube connecting the first bag and the second bag. And a sterilized knot coupling body having a third tube connecting the second bags to each other.
- a sterilized filter unit having a mouth and an outlet, the filter removing a predetermined component from the liquid introduced from the inlet, and a second tube having both ends connected to the inlet and the outlet, respectively.
- the filter cutout can be connected and used only when it is necessary to remove a predetermined component of the blood pressure, and according to the situation at the site, particularly, according to the condition of the patient and the case.
- Optimal formulation can be obtained.
- processing operations including tube connection operations can be performed easily, quickly, and accurately.
- the present invention provides a first bag for storing blood collection blood, a plurality of second bags for storing blood or blood components, and a first tube connecting the first bag and the second bag. Sterilizing a bag assembly comprising a third tube connecting the second bags to each other;
- the present invention provides a filter having an inlet and an outlet, for removing a predetermined component from the liquid introduced from the inlet, and a tube having both ends connected to the inlet and the outlet, respectively.
- a filter unit comprising: A filter unit characterized in that it is used by cutting off the middle of the tube and aseptically connecting to another tube.
- the filter cutout can be connected and used only when it is necessary to remove a predetermined component in the body fluid, and according to the situation at the site, particularly according to the condition of the patient and the case. Optimal formulation and the like can be obtained. In addition, processing operations including tube connection operations can be performed easily, quickly, and accurately.
- the present invention relates to a filter unit used in any of the above-described methods for producing a blood processing circuit,
- a filter unit having an inlet and an outlet, for removing a predetermined component from the liquid introduced from the inlet, and a tube having both ends connected to the inlet and the outlet, respectively. is there.
- the filter cutout can be connected and used only when it is necessary to remove a predetermined component of the blood pressure, and can be used according to the situation at the site, particularly, according to the condition of the patient or the case. Optimal formulation can be obtained. In addition, processing operations including tube connection operations can be performed easily, quickly, and accurately.
- the two tubes are preferably provided with a display indicating their connection position.
- the three tubes are preferably provided with indications indicating their connection positions.
- the display has a function of indicating the direction of the flow of the liquid in the tube.
- the other indication is constituted by an enlarged diameter portion in which the outer diameter of the tube is enlarged.
- the connected bag and the filter cut are sterilized by different sterilization methods or sterilization conditions.
- the method of sterilizing the connected bag is wet heat sterilization, and the method of sterilizing the filter unit is gas sterilization or radiation sterilization. This allows It is possible to prevent a decrease in the filtration performance of the filter and to maintain a high removal rate of a predetermined component to be removed.
- the tube is provided with a display indicating a connection position to the other tube.
- the display has a function of indicating the direction of the flow of the liquid in the tube.
- the filter unit of the present invention after the tube is connected to the other tube, it is preferable that the filter unit has another display indicating whether or not the connection is proper.
- the other indication is preferably constituted by an enlarged diameter portion in which the outer diameter of the tube is enlarged.
- the other tube is a tube that connects the first nog for storing the collected blood and the second bag for storing the blood or the blood component.
- the other tube is a tube that connects a plurality of second bags that store blood or blood components.
- the filter unit of the present invention is preferably sterilized by a sterilization method or a sterilization condition different from that of the above-mentioned connected bag body.
- the filter unit of the present invention is preferably sterilized by gas sterilization or radiation sterilization. As a result, it is possible to prevent a decrease in filtration performance of the filter, and it is possible to maintain a high removal rate of a predetermined component to be removed.
- a rotary tube aseptic connection device as the tube aseptic connection device.
- the cut ends of the two tubes to be connected can be simultaneously connected with one operation, so that the connections of the tubes can be easily, quickly and reliably performed.
- no unnecessary short tube or the like to be disposed is disposed.
- the filter is preferably a leukocyte removal filter.
- FIG. 1 is a plan view schematically showing a first embodiment of a filter unit of the present invention and a method of manufacturing a blood processing circuit using the same.
- FIG. 2 is a plan view schematically showing a first embodiment of a blood processing circuit manufactured by the method of manufacturing a blood processing circuit of the present invention.
- FIG. 3 is a plan view schematically showing a second embodiment of the method for producing a blood processing circuit of the present invention.
- FIG. 4 is a plan view schematically showing a third embodiment of a filter unit of the present invention and a method of manufacturing a blood processing circuit using the same.
- FIG. 5 is a plan view schematically showing a third embodiment of the blood processing circuit manufactured by the method of manufacturing a blood processing circuit of the present invention.
- FIG. 6 is a plan view schematically showing a fourth embodiment of a filter unit of the present invention and a method of manufacturing a blood processing circuit using the same.
- FIG. 7 is a plan view schematically showing a fourth embodiment of the blood processing circuit manufactured by the blood processing circuit manufacturing method of the present invention.
- FIG. 8 is a plan view schematically showing another embodiment of the filter unit of the present invention.
- FIGS. 9 (a) and 9 (b) are plan views each showing another example of a display provided on a tube.
- FIG. 1 is a plan view schematically showing a first embodiment of a filter unit of the present invention and a method of manufacturing a blood processing circuit using the same
- FIG. 2 is a method of manufacturing a blood processing circuit of the present invention.
- FIG. 2 is a plan view schematically showing a first embodiment of the blood processing circuit manufactured by the method according to the present invention.
- the tube of the filter unit 14 is aseptically connected to a predetermined tube of the connected bag (blood processing set) 1, and the filter unit 14 is connected to the connected bag 1.
- a desired blood processing circuit 200 can be obtained.
- the connected bag body 1 has a blood collection unit 2 and a blood processing unit 6.
- the blood collection unit 2 and the blood processing unit 6 are connected by a tube (first tube) 5 before use.
- the blood collection unit 2 includes a first bag 3 that stores (retains) collected blood, a tube that introduces blood into the first bag 3 (blood collection tube) 4, and a tube that discharges blood from the first bag 3 ( 1st tube) 5.
- the first bag 3 has a bag body 30 in which a sheet material having flexibility is stacked and the periphery thereof is fused (sealed) to form a bag.
- the bag body 30 of the first bag 3 has a form such as a cylindrical sheet material in which both ends are sealed, a sheet material folded in two, and three sides other than the bent portion sealed. May be any.
- the constituent material of the nog body 30 for example, a material mainly composed of polyvinyl chloride, soft polyvinyl chloride, or soft polyvinyl chloride (for example, a copolymer with a small amount of another polymer material, Polymer blends, polymer alloys, etc.), ethylene butyl acetate copolymer and the like.
- the first bag 3 contains an anticoagulant in advance.
- This anticoagulant is usually a liquid, for example, ACD-A liquid, CPD liquid, CPDA-1 liquid, sodium heparin liquid and the like.
- the amount of such an anticoagulant in the bag body 30 is an appropriate amount according to the planned blood collection amount.
- the lower end of the first bag 3 in FIG. 1 has a flexible tube 4 and a tube (the first tube 3) connected to the inside of the first bag 3 (blood storage portion).
- One end of 5) is connected to each!
- the tube 4 is a tube (blood collection tube) for introducing blood into the first bag 3, and the tube 5 discharges blood from the first bag 3 and sends the blood to a filter 15 or the like described later.
- a blood collection needle 42 is mounted via a hub 41.
- a cap (not shown) for enclosing the blood collection needle 42 is attached to the hub 41.
- the tube 5 is a tube connected to the tube 16 of the filter unit 14, which will be described later.
- the connection position is set at a predetermined position on the outer surface of the tube 5 so that the connection position can be specified. Markers (displays) Al and A2 are provided (see Fig. 1). As a result, it is possible to connect the tube at an appropriate position.
- the form of the markers Al and A2 is not particularly limited, and may be a colored part, a roughened part, a character, a figure, a symbol, an enlarged or reduced diameter part, a curve, a bend, a flat shape, a branch, and the like. Or any combination thereof. Further, the shape and the number of the markers Al and A2 are not particularly limited.
- the method of forming the markers Al and A2 is not particularly limited.
- printing methods such as printing with ink, laser printing, stamping, transfer, roughening (embossing, etc.), heating and Z or Examples include molding under pressure, attaching labels and tapes, attaching rings, bands, belts, etc., changing the tube material or color itself, and connecting (adding) another member.
- the marker A1 is located upstream of the flow of blood or the like in the blood processing circuit 200.
- the marker A2 is located downstream (see Fig. 2).
- the marker A1 and the marker A2 can be distinguished (specified) by, for example, different colors, shapes, sizes, symbols, and the like (hereinafter, referred to as “colors”). ⁇ is preferred. This can prevent the tubes 5 and 16 from being connected in the wrong direction.
- Blood processing unit 6 is used to separate blood into a plurality of blood components, and to collect a desired blood component among them into a bag. It has bags 7, 8 and 9 which are connected by a tube.
- the second bag 7 finally becomes a red blood cell bag for storing a red blood cell concentrate (CRC), and the second bag 8 finally stores a concentrated platelet plasma (PC).
- the platelet bag becomes the second bag 9 and the plasma bag that finally contains the platelet poor plasma (PPP) Become.
- the second bags 7, 8 and 9 have bag bodies 70, 80 and 90, respectively, which are formed by stacking flexible sheet materials and fusing (sealing) the periphery thereof to form bag shapes. I have. Note that, similarly to the bag body 30, the shape of each of these is such that the cylindrical sheet material is sealed at both ends, the sheet material is folded into two, and three sides other than the folded portion are sealed. The state can be anything.
- the constituent materials of the nog bodies 70, 80, and 90 include, for example, a material mainly composed of polyvinyl chloride, soft polyvinyl chloride, and soft polyvinyl chloride (for example, a small amount of other polymer material and , Polymer blends, polymer alloys, etc.), ethylene-vinyl acetate copolymer and the like.
- the red blood cell preservation solution is previously contained in the second bag 9 (in the bag body 70).
- This erythrocyte preservation solution is usually a liquid, and examples thereof include a SAGM solution, an OPTISOL solution, and a MAP solution.
- the amount of the erythrocyte preservation solution in the bag body 90 is an appropriate amount according to the planned blood collection amount.
- the other end of the tube 5 is connected to the upper end of the second bag 7 in FIG. 1 so as to communicate with the inside of the second bag 7 (blood component storage section).
- a tube (third tube) 11 is connected. Blood or blood components are introduced into the second bag 7 by the tube 5.
- the tube 11 is a tube for transferring a blood component from the second bag 7 to the second bag 8.
- the upper ends of the second bags 8 and 9 in FIG. 1 can be connected to the inside of the second bag 8 (blood component storage section) and the inside of the second bag 9 (blood component storage section), respectively.
- One ends of a flexible tube (third tube) 12 and a tube (third tube) 13 are connected.
- the other ends of the tubes 11, 12 and 13 are respectively connected to three ports of a branch connector 10 composed of a three-way branch pipe (T-shaped pipe, Y-shaped pipe, T-shaped pipe, three-way cock, etc.).
- the second bags 7, 8, and 9 are connected via the tube 11, the tube 12, the tube 13, and the branch connector 10, respectively, and the insides thereof communicate with each other. .
- the constituent materials of the tubes 4, 5, 11, 12, and 13 and the tube 16 described later are as follows.
- Ravenores 31, 71, 81 and 91 are attached to the nog bodies 30, 70, 80 and 90 of the respective nogs, respectively.
- the labels 31, 71, 81, and 91 have an adhesive layer on the back surface, and are adhered to the surfaces of the bag bodies 30, 70, 80, and 90 by the adhesive layer.
- the labels 31, 71, 81, and 91 display information on the contents (storage items) of the bag to which the labels 31, 71, 81, and 91 are attached, for example, by printing.
- the displayed information includes, for example, the type of the blood component to be stored, the capacity of the bag, the blood type, the blood collection date, and information (name, age, sex, etc.) on the donor.
- the above information may be displayed in a coded manner (for example, a barcode or a two-dimensional code). .
- each of the knob bodies 30, 70, 80 and 90 preferably does not easily peel off, and has a tamper-proof property. It is preferred that
- the linked bag 1 as described above has been sterilized in advance.
- wet heat sterilization autoclave sterilization
- a liquid such as the above-described anticoagulant or erythrocyte preservation solution is put in the bag. .
- the filter unit 14 is composed of a finalizer 15 having an inlet 151 and an outlet 152, and a tube (second tube) 16 having both ends connected to the inlet 151 and the outlet 152, respectively.
- a finalizer 15 having an inlet 151 and an outlet 152
- a tube (second tube) 16 having both ends connected to the inlet 151 and the outlet 152, respectively.
- the filter 15 has a housing and a filter medium (filtration medium) provided in the housing.
- the blood introduced through the inlet 151 separates desired components (unwanted substances) by the filter medium. And exits from exit 152.
- the constituent materials of the housing of the filter 15 include polycarbonate, polychlorinated butyl, soft polychlorinated butyl, ethylene vinyl acetate copolymer, acrylonitrile butadiene styrene copolymer (ABS resin), and acrylonitrile styrene copolymer. Polymer (AS ⁇ And the like).
- Examples of a constituent material of the filter medium in the filter 15 include a porous body and a nonwoven fabric such as polyether-type urethane, polyester-type polyurethane, polyethylene terephthalate, and polybutylene terephthalate.
- the type of the filter 15 is not particularly limited and is appropriately selected depending on the application and the like.
- the leukocyte removal filter when classified according to components to be filtered, the leukocyte removal filter, the platelet removal filter, the red blood cell removal filter, Examples include an adaligate (fine aggregate) removal filter, a virus removal filter, and an endotoxin removal filter.
- a finoletter that combines two or more of the above with a filter that removes bacteria (including bacteria), proteins (including prions, enzymes, cytokins, etc.), ions, pathogens, and various other foreign substances. But!
- the leukocyte removal filter includes a type that separates only leukocytes (a type that separates one or more of lymphocytes, granulocytes, and monocytes) and a type that separates leukocytes and platelets. It is also possible to simultaneously filter out fine aggregates.
- microadarigate removal filters there are two types of microadarigate removal filters, in which only fine aggregates are filtered out, and types in which fine aggregates and platelets are filtered out.
- viruses for example, HAV, HBV, HCV, HIV, HTLV-I, CMV, parvovirus B19, filovirus, hantavirus, etc.
- viruses for example, HAV, HBV, HCV, HIV, HTLV-I, CMV, parvovirus B19, filovirus, hantavirus, etc.
- white blood cells and platelets it is advantageous to selectively filter white blood cells and platelets.
- endotoxin removal filters include a type that filters only endotoxin, and a type that filters one or both of a virus and a fine aggregate together with endotoxin.
- endotoxin removal filters include a type that filters only endotoxin, and a type that filters one or both of a virus and a fine aggregate together with endotoxin.
- the filter 15 typically filters (separates) leukocytes from blood.
- the tube (second tube) 16 is configured as one continuous tube in the illustrated configuration. One end 161 is connected to the inlet 151 and the other end 162 is connected to the outlet 152. Thus, the filter unit 14 before use forms an annular closed system (closed circuit) with the tube 16 and the filter 15.
- the tube 16 is a tube that is connected to the tube 5 of the nogged connector 1 and has a connection position at a predetermined position on the outer surface of the tube 16 so that the connection position can be specified.
- Markers (displays) Bl and B2 are provided (see Fig. 1). This makes it possible to connect the tube at an appropriate position.
- the form of the markers Bl and B2 is not particularly limited, and may be a colored part, a roughened part, a character, a figure, a symbol, an enlarged or reduced diameter part, a curve, a bend, a flat shape, a branch, and the like. Or any combination thereof. Further, the shape and the number of the markers Bl and B2 are not particularly limited.
- the method for forming the markers Bl and B2 is not particularly limited.
- printing methods such as printing with ink, laser printing, engraving, transfer, rough surface processing (embossing processing, etc.), heating and Z or Examples include molding under pressure, attaching labels and tapes, attaching rings, bands, belts, etc., changing the tube material or color itself, and connecting (adding) another member.
- the marker B1 constitutes the final blood processing circuit 200 (when the incorporation of the filter unit 14 into the bag connected body 1 is completed), the marker B1 detects the blood or the like in the blood processing circuit 200.
- the marker B2 is located on the upstream side of the flow, and the marker B2 is located on the downstream side (see Fig. 2).
- the marker B1 and the marker B2 can be distinguished (specified) by, for example, different colors, shapes, sizes, symbols, etc. (hereinafter, referred to as “colors”). Is preferred. Thereby, when connecting the tube 5 and the tube 16, it is possible to prevent the connection in the wrong direction.
- the tube 5 When connecting the tubes 5 and 16, the tube 5 is cut off between the markers A1 and A2, the tube 16 is cut off between the markers B1 and B2, and the tube 5 near the marker A1.
- the cut end of tube 16 is connected to the cut end near marker B1 of tube 16, and the cut end of tube 5 near marker A2 is connected to the cut end of tube 16 near marker B2 (first (See Fig. 2).
- the colors of the markers A1 and B2 are set to the same color, and the colors of the markers A2 and B1 are set to the same color ( However, it is preferable to use a different color from the markers Al and A2).
- the filter unit 14 as described above has been sterilized in advance.
- the filter unit 14 is sterilized by a sterilization method different from the sterilization method of the nogged joint 1.
- Preferred sterilization methods for the filter unit 14 include, for example, gas sterilization such as EOG (ethylene oxide gas) sterilization, or radiation sterilization such as ⁇ -ray sterilization. These sterilization methods are less likely to degrade the filtering performance of the filter medium of the filter 15 as compared with wet heat sterilization. Therefore, there is an advantage that the filtration performance of the filter medium can be sufficiently exhibited, and leukocytes can be efficiently removed.
- the method of sterilizing the knocked-body assembly 1 and the filter unit 14 may be the same, but can be sterilized under different sterilization conditions, that is, sterilization conditions suitable for each. .
- the bag coupling body 1 has a sterilization time and a sterilization temperature suitable for a liquid such as an anticoagulant or a red blood cell preservative, and the filter unit No. 14 can be set to a sterilization time and a sterilization temperature capable of exhibiting filtration performance and ensuring sterility.
- the filter medium of the filter unit 14 can sufficiently exhibit the filtering performance and can be efficiently used. Leukocytes can be removed.
- the sterilized bag connected body 1 and the sterilized filter unit 14 are aseptically connected to predetermined portions of the tube 5 and the tube 16 by a tube aseptic connection device (not shown). Thereby, the blood processing circuit 200 is assembled.
- a tube aseptic connection device not shown.
- a preferred sterilization method is wet heat sterilization ( Autoclave sterilization).
- Sterilize filter unit 14 Sterilize filter unit 14.
- preferred sterilization methods include, for example, gas sterilization such as EOG (ethylene oxide gas) sterilization, or radiation sterilization such as gamma sterilization. These sterilization methods have the advantage that there is little risk of lowering the filtration performance of the filter medium.
- gas sterilization such as EOG (ethylene oxide gas) sterilization
- radiation sterilization such as gamma sterilization.
- a predetermined location in the middle of the tube 5 and a predetermined location in the middle of the tube 16 are aseptically connected by a tube aseptic connection device (not shown).
- the connection positions and connection directions of tubes 5 and 16 are set using markers Al, # 2, Bl, and # 2 as markers. As a result, the tubes 5 and 16 can be easily and properly loaded into the tube aseptic connection device, and erroneous connection is reliably prevented.
- the tube aseptic connection device any known device can be used.
- it is a rotating tube aseptic connection device.
- this rotary tube aseptic connection device two tubes (tubes 5 and 16) are arranged in parallel, and they are held by a tube holder (one holder) at two places separated by a predetermined distance in the tube longitudinal direction.
- ⁇ Insert the tube between the two tube holders.
- ⁇ Simultaneously melt cut the two tubes with the retractable heated cutting blade (wafer), and move one tube holder relative to the other tube holder.
- the tube rotates by 180 ° so that one tube and the other tube are connected in a reverse combination with each other with the cut surface as a boundary.
- the portion between the markers A1 and ⁇ 2 of the tube 5 and the portion between the markers B1 and ⁇ 2 of the tube 16 are simultaneously melt-cut, respectively, and the cut end of the marker A1 side of the tube 5 and the cut end of the marker B1 side of the tube 16 The ends are connected, and the cut end of tube 5 at marker # 2 is connected to the cut end of tube 16 at marker # 2 ( (See Figures 1 and 2).
- the connection between the cut end of the tube 5 at the marker A1 side and the cut end of the tube 16 at the marker B1 side, and the cut end of the tube 5 at the marker A2 side And the connection of the tube 16 to the cut end on the marker B2 side can be performed simultaneously in a single operation, so that the tubes can be connected easily, quickly and reliably. No unwanted (disposable) short tubes! /.
- the end force of the tube 5 on the first bag 3 side is also set so that the circuit length (flow path length) to the inlet 151 of the filter 15 is constant. (See Figure 2).
- the circuit length (flow path length) is constant, the filtration speed by the filter 15 is constant, and the filtration performance is uniformly and sufficiently exhibited. .
- the removal rate of leukocytes by the filter 15 becomes uniform and a high removal rate is obtained, and the quality of the finally obtained blood product (blood components such as red blood cells, platelets, and plasma) is improved.
- the connection position can be optimized, and connection can be made easily and reliably so that the circuit length (flow path length) is constant. Can be done.
- the filter 15 will be described as a typical leukocyte removal filter.
- a blood collection needle 42 of the blood collection unit 2 is punctured into a blood vessel of a donor (blood donor) to collect blood, and a predetermined amount of collected blood is secured in the first bag 3. At this time, it is preferable to seal with a rupture communication member or the like, because the outflow of blood from the first bag 3 to the tube 5 is prevented.
- the middle of the tube 4 is sealed by fusion with a tube sealer or the like, and the sealed portion is cut to separate and remove the tube 4 on the blood collection needle 42 side. .
- the sealing of the tube 5 with the breaking communication member or the like is released, and the blood (liquid to be treated) in the first bag 3 is discharged through the tube 5 and filtered by the filter 15. sand That is, leukocytes are separated (filtered) from blood.
- the first bag 3 storing the blood is suspended by a stand or the like and arranged at a high place, and the blood is transferred using gravity (head).
- the blood discharged from the first bag 3 flows through the tubes 5 and 16 in the direction of the arrow in Fig. 2, flows into the filter 15 from the inlet 151, and separates (separates) the leukocytes with the filter medium. ) Is done.
- the blood from which leukocytes have been removed flows out of the outlet 152, is introduced into the second bag 7 via the tubes 16 and 5, and is collected.
- tubes 5 and 16 are connected such that the end force of tube 5 on the first bag 3 side also has a constant circuit length (flow path length) to inlet 151 of filter 15. ! (See Fig. 2), the filtration speed by the filter 15 becomes constant, and the filtration performance is exhibited uniformly and sufficiently. As a result, the removal rate of leukocytes by the filter 15 becomes uniform and a high removal rate is obtained, and the quality of the finally obtained blood product (blood components such as red blood cells, platelets, and plasma) is improved.
- blood product blood components such as red blood cells, platelets, and plasma
- the second bags 7, 8 and 9 of the blood processing section 6 are put together, placed in a centrifugal cup of a centrifugal separator, and centrifuged by operating a centrifugal separator.
- the white blood removal stored in the second bag 7 is separated into two layers, for example, lower-layer force red blood cells and platelet-rich plasma. Note that such a blood component separation pattern is determined by centrifugation conditions (centrifugal rotation speed, centrifugation time, and the like).
- the second bag 7 is set in the blood component separation / transfer device (bag pressurizing device), and the second bag 7 is gradually pressurized (pressed) while the tube 13 is sealed with clamp.
- the supernatant platelet-rich plasma is discharged from the second bag 7, transferred to the second bag 8 via the tube 11, the branch connector 10, and the tube 12, and collected. Red blood cells remain in the second bag 7.
- the sealing of the tube 13 with the clamp is released, and with the tube 12 sealed with the clamp, the red blood cell storage solution in the second bag 9 is sealed.
- the blood is transferred via the UBE 13, the branch connector 10 and the tube 11, and is added to the red blood cells in the second bag 7.
- the middle of the tube 11 is sealed by fusion using a tube sealer or the like, the sealed portion is cut, and the second bag 7 is separated from the second bag 8 and the second bag 9. To separate. Then, the erythrocytes and the erythrocyte preservation solution are mixed well in the second bag 7.
- erythrocytes red blood cell concentrate (CRC)
- the platelet-rich plasma contained in the second bag 8 is separated into a platelet pellet (precipitate) and a supernatant plasma (platelet poor plasma).
- Such a blood component separation pattern is determined by centrifugation conditions.
- the second bag 8 is set in the blood component separation and transfer device (bag pressurizing device), and the second bag 8 is gradually pressurized.
- the supernatant plasma is discharged from the second bag 8, and transferred to the second bag 9 via the tube 12, the branch connector 10, and the tube 13. At this time, the plasma is left in the second bag 8 in an appropriate amount to prepare the concentrated platelet plasma by suspending the platelet pellet.
- the tube 12 and the tube 13 are sealed in the middle of the tube 12 and the tube 13 by fusion using a tube sealer or the like, and these sealed portions are cut to form the second bag 8 and the second bag 9. To separate. Then, the platelet pellet is suspended in the plasma in the second bag 8.
- a second bag 8 containing platelets (platelet-rich plasma (PC)) and a second bag 9 containing plasma (platelet-poor plasma (PPP)) are obtained.
- PC platelet-rich plasma
- PPP platelet-poor plasma
- the second bag 7 containing erythrocytes erythrocyte concentrate (CRC)
- the second bag 8 containing platelets rich platelet plasma (PC)
- the plasma platelet poor plasma
- the operation of separating and collecting blood by the above steps is an example, and in the present invention,
- the type of blood component for separating and collecting blood, the type and number of bags to be used, the operation procedure, and the like are not particularly limited.
- FIG. 3 is a plan view schematically showing a second embodiment of the method for producing a blood processing circuit of the present invention.
- the second embodiment will be described focusing on differences from the above-described first embodiment, and a description of similar items will be omitted.
- the second embodiment is different from the first embodiment in the arrangement of tubes connecting the second bag 7 and the second bag 8 of the bag connector 1, and the other points are the same.
- one end of the tube 11 is directly connected to the second bag 7, whereas in the second embodiment, a three-way branch tube (T-shaped A branch connector 17 composed of a tube, a Y-shaped tube, a T-shaped tube, a three-way stopcock, and the like is provided.
- One end of the tube (third tube) 11 is connected to one port of the branch connector 17.
- the configuration of the filter unit 14 and the method of manufacturing the blood processing circuit 200 are the same as in the first embodiment.
- FIG. 4 is a plan view schematically showing a third embodiment of a filter unit of the present invention and a method of manufacturing a blood processing circuit using the same
- FIG. 5 is a method of manufacturing a blood processing circuit of the present invention
- FIG. 9 is a plan view schematically showing a third embodiment of the blood processing circuit manufactured by the method according to the present invention.
- the third embodiment will be described focusing on the differences from the above-described second embodiment, and the description of the same matters will be omitted.
- the third embodiment is the same as the second embodiment except that the filter unit 14 is incorporated in the bag connector 1 (other points described in the first embodiment are the same as those of the second embodiment). Corresponding to the form).
- the filter unit 14 is incorporated in the middle of the tube (first tube) 5, whereas in the third embodiment, the tube (third tube) 13 is By aseptically connecting the tube 16, the filter unit 14 is installed in the middle of the tube (third tube) 13 to obtain the blood processing circuit 300 (see FIG. 5).
- Markers (displays) Cl and C2 for specifying connection positions are provided at predetermined positions on the outer surface of the tube 13 (see FIG. 4). This enables the connection of the tube at an appropriate position.
- the colors of the markers C1 and B2 are the same color, and the colors of the markers C2 and B1 are the same color (however, a color different from the markers Cl and C2). .
- the tubes 13 and 16 when connecting the tubes 13 and 16, not only can they be connected at an appropriate connection position, but also they can be connected in an appropriate connection direction.
- a marker for example, a display such as an arrow
- the connection direction is appropriate after the tubes 13 and 16 are connected.
- the filter unit 14 is incorporated into the bag connector 1 by connecting a predetermined position in the middle of the tube 13 and a predetermined position in the middle of the tube 16 as described above with a tube aseptic connection device (particularly, a rotary tube aseptic connection device). ) Is aseptically connected.
- a tube aseptic connection device particularly, a rotary tube aseptic connection device.
- connection positions and connection directions of tubes 13 and 16 are set using markers Cl, C2, Bl, and B2 as markers. As a result, the tubes 13 and 16 can be easily and appropriately loaded into the tube aseptic connection device, and erroneous connection is reliably prevented.
- the second bag 7 finally becomes a plasma bag for storing platelet poor plasma (PPP), and the second bag 8 finally stores a buffy coat (BC).
- the second bag 9 finally becomes a red blood cell bag for storing a red blood cell concentrate (CRC).
- the force of incorporating the filter unit 14 in the middle of the tube (third tube) 13 In the present invention, the filter unit 14 is connected to the tube (third tube) 11 or the tube (third tube). ) It can be installed in the middle of 12.
- the filter 15 will be described as a typical leukocyte removal filter.
- blood is collected by puncturing the blood collection needle 42 of the blood collection part 2 into the blood vessel of the donor (donor), and a predetermined amount of blood is collected in the first bag 3. At this time, it is preferable to seal with the break communication member, because the outflow of blood from the first bag 3 is prevented.
- the middle of the tube 4 is sealed by fusion with a tube sealer or the like, and the sealed portion is cut to separate and remove the tube 4 on the blood collection needle 42 side. .
- the first bag 3 and the second bags 7, 8 and 9 containing the collected blood are put together, placed in the centrifugal cup of the centrifugal separator, and the centrifugal separator is operated to perform centrifugal separation. Apply.
- the blood (whole blood) stored in the first bag 3 is separated into, for example, three layers of red blood cells containing white blood cells, buffy coat containing many white blood cells and platelets, and platelet poor plasma from the lower layer side. You. Note that such a blood component separation pattern is determined by centrifugation conditions (centrifugal rotation speed, centrifugation time, etc.).
- the first bag 3 is set in the blood component separation / transfer device (bag pressurizing device), and the first bag 3 is gradually pressurized (pressed) with the tube 11 sealed with clamp. Thereby, the supernatant platelet-poor plasma is discharged from the first bag 3, transferred to the second bag 7 via the tube 5, and collected. Concentrated red blood cell fluid and buffy coat remain in the first bag 3
- [6B] Between the marker Cl and C2 of tube 13 and the marker Bl and B2 of tube 16 The parts are aseptically connected by a tube aseptic connection device. Thereby, the blood processing circuit 300 shown in FIG. 5 is formed.
- the connection position and connection direction are set using markers Cl, C2, Bl, and B2 as markers.
- the erythrocyte preservation solution in the second bag 9 is transferred into the first bag 3, and added to the concentrated erythrocytes and mixed. That is, the red blood cell storage solution in the second bag 9 is sequentially passed through the tube 13, the other end 162 of the tube 16, the filter 15, the one end 161 of the tube 16, the branch connector 10, the tube 11, the branch connector 17, and the tube 5.
- the erythrocyte preservation solution is added to the concentrated erythrocytes in the first bag 3 after being transferred into the first bag 3. Then, the concentrated red blood cells and the red blood cell preservation solution are mixed well in the first bag 3.
- the concentrated red blood cell liquid to which the red blood cell preservation liquid has been added is discharged from the first bag 3, filtered by the filter 15, and transferred to the second bag 9. That is, leukocytes are filtered (separated) from the concentrated red blood cell fluid.
- the first bag 3 is suspended by a stand or the like and arranged at a high place, and the concentrated red blood cell liquid is transferred using gravity (head).
- the concentrated red blood cell fluid discharged from the first bag 3 flows through the tubes 5, 11, 13 and 16 in the direction of the arrow in Fig. 5, flows into the filter 15 from the inlet 151, and is filtered by the filter medium. White blood cells are filtered (separated).
- the red blood cell concentrate from which the white blood cells have been removed flows out of the outlet 152, is introduced into the second bag 9 via the tubes 16 and 13, and is collected.
- erythrocytes red blood cell concentrate (CRC)
- a second bag 7 containing plasma platelet poor plasma (PPP)
- a second bag 8 containing buffy coat were obtained.
- the operation of separating and collecting blood by the above steps is an example, and in the present invention, the type of blood component for separating and collecting blood, the type and number of bags to be used, the operation procedure, and the like are particularly Not limited.
- FIG. 6 is a plan view schematically showing a fourth embodiment of the method for producing a blood processing circuit of the present invention.
- FIG. 7 is a plan view schematically showing a fourth embodiment of the blood processing circuit manufactured by the method for manufacturing a blood processing circuit of the present invention.
- the fourth embodiment will be described with a focus on differences from the above-described first embodiment, and a description of similar items will be omitted.
- the fourth embodiment further has another display (appropriate connection confirmation display) that can show (know) whether or not the connection is proper after connecting the tubes 5, 16 to each other.
- the rest is the same as in the first embodiment.
- an enlarged portion (large-diameter tube) 55 that is larger than the outer diameter of the tube 5 is provided between the other end 162 of the tube 16 and the marker B2, there is provided an enlarged portion (large-diameter tube) 165 which is larger than the outer diameter of the tube 16, whereby the indication for proper connection confirmation is provided.
- Such enlarged diameter portions 55 and 165 are excellent in visibility so that their presence is apparent at first glance.
- the tube 5 when connecting the tubes 5 and 16, the tube 5 is cut between the markers Al and A2, the tube 16 is cut between the markers B1 and B2, and the marker A1 and the force B1 are cut. Are adjacent (continuous), and the marker A2 and the marker B2 are connected so as to be adjacent (continuous).
- the enlarged diameter portions 55 and 165 are located on both ends of the filter 15, that is, on the upstream side (inlet 151 side) and on the downstream side (outlet 152 side).
- marker A1 and marker B2 are adjacent (continuous)
- marker A2 and marker B1 are adjacent (continuous).
- the two enlarged diameter portions 55 and 165 will collect on one end side of the filter 15 and the outlet 152 side. Therefore, when the blood processing circuit 200 is configured by connecting the tubes 5 and 16, when the two enlarged diameter portions 55 and 165 are dispersedly arranged at both ends of the filter 15, the two enlarged portions 55 and 165 are arranged at one end. It is possible to easily, quickly and surely determine whether or not the proper connection has been made (whether or not the proper blood processing circuit 200 has been configured) depending on the position.
- the installation positions of the enlarged diameter portions 55 and 165 on the tubes 5 and 16 are limited to those shown in the drawings.
- the enlarged diameter portion 55 is provided between the marker A2 and the second bag 7, or the enlarged diameter portion 165 is provided between the one end portion 161 of the tube 16 and the marker B1.
- the enlarged diameter portion 55 is provided between the marker A2 and the second bag 7, or the enlarged diameter portion 165 is provided between the one end portion 161 of the tube 16 and the marker B1.
- the display for confirming proper connection is not limited to the enlarged diameter portion.
- a marker similar to the markers Al, A2, Bl, and B2, and a tag or the like can be visually or tactilely recognized for its presence. Anything possible is acceptable.
- FIG. 8 is a plan view schematically showing another embodiment of the filter unit of the present invention.
- the filter unit 14 shown in FIG. 8 is the same as each of the above-described embodiments, except that it has a bypass tube (a bypass) 19 that bypasses the filter 15 and an air vent 20.
- a bypass tube a bypass
- branch connectors 18a and 18b are installed on one end 161 side and the other end 162 side of the tube 16, respectively.
- the one end and the other end of the bypass tube 19 are connected to the branch connectors 18a and 18a, respectively. It is connected to the tube 16 via 18b.
- An air vent 20 is connected to the branch connector 18b via a tube 21. Note that such an air vent 20 may be provided in the middle of the tube 16 or 19.
- the filter unit 14 of the present embodiment by providing the bypass tube 19 and the air vent 20, the air in the filter 15 that has entered the second bag 9 can be easily discharged from the second bag 9. can do.
- the filter unit 14 having the configuration shown in FIG. 8 can be applied to any of the embodiments shown in FIGS. 1 to 7.
- FIGS. 9 (a) and 9 (b) are plan views each showing another example of the display provided on the tube.
- Al, A2, Bl, B2, Cl, and C2 have the shape of the arrow shown in Fig. 9 (a) and the one shown in Fig. 9 (b). The shape has the above triangle.
- the markers Al, A2, Bl, B2, Cl, and C2 exhibit a function of indicating the direction of the flow of the liquid flowing through the tubes 5, 13, and 16.
- Such a configuration Therefore, before connecting tubes, proper connection can be made without erroneous connection direction, and after connecting tubes, it is easy to grasp whether the connection is proper or not. (Confirm).
- each marker Al, A2, Bl, B2, Cl, C2 is By coloring them with different colors or adding different characters, they can be identified.
- the present invention has been described based on the illustrated embodiments.
- the present invention is not limited to these, and the configuration of each unit may be replaced with any configuration capable of exhibiting the same function. Yes, and an optional configuration may be added. Also, any two or more features of the above embodiments can be combined.
- the connected bag 1 is a four-bag connected bag having one first bag and three second bags.
- the present invention is not limited to this.
- a double bag in which the first bag and one second bag are connected, a triple bag in which one first bag and two second bags are connected, or one first bag and four or more It may be a connected body of five or more bags connected to the second bag.
- the configuration, use, and the like of each of the nogs that make up these connected bags are not particularly limited.
- the number of filter units to be incorporated in the nogged connector is one.
- the present invention is not limited to this, and a plurality (two or more) of filter units may be connected to the bag connector. May be incorporated.
- each filter unit may have the same configuration or a different configuration, and the location where each filter unit is incorporated is arbitrary.
- the filter unit has been described as including the filter that removes a predetermined component such as leukocytes from blood (whole blood).
- the filter unit of the present invention is not limited to this.
- the liquid to be treated may be a liquid containing biological components such as blood components such as concentrated red blood cells and concentrated platelets, umbilical cord blood, bone marrow fluid, and genetically modified cells. It may be a liquid containing cells. Further, these may include a physiological solution such as a physiological saline, an anticoagulant, a preservation solution, a nutrient solution, a culture solution, or a cytodynamic solution (culture promoting solution).
- the treatment of the liquid to be treated containing such cells derived from living organisms, genetically modified cells, and the like includes, for example, (1) when the liquid to be treated is whole blood or a blood component.
- White blood cells one or more of monocytes, granulocytes, and lymphocytes
- platelets erythrocytes, aggregates, proteins, prions, cytokins, endotoxins, nocteria, viruses, and ions 1
- a treatment to capture white blood cells and remove the remaining components or a treatment to remove platelets, erythrocytes, (3) treatment to remove at least one of aggregates, tissue fragments, proteins, cytotoxicity, endotoxin, bacteria, virus, and ions and recover the remaining components;
- the physiological fluid is a genetically modified cell
- a sterilized closed filter unit is aseptically connected to a sterilized closed bag connected body to manufacture a blood processing circuit.
- An optimal preparation can be obtained by connecting a filter unit and performing blood treatment only when it is necessary to remove the blood.
- it is possible to sterilize the nog coupling body and the filter separately it is possible to sterilize by the sterilization method and sterilization conditions suitable for each, and the filter performance can be improved. Therefore, it has industrial applicability.
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- External Artificial Organs (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04788270.9A EP1671664B1 (en) | 2003-10-02 | 2004-09-29 | Method of producing blood processing circuits and filter unit |
| JP2005514433A JP4384637B2 (ja) | 2003-10-02 | 2004-09-29 | 血液処理回路の製造方法および血液処理回路 |
| US10/574,201 US7569026B2 (en) | 2003-10-02 | 2004-09-29 | Method of producing blood processing circuits and filter unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003344752 | 2003-10-02 | ||
| JP2003-344752 | 2003-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005032619A1 true WO2005032619A1 (ja) | 2005-04-14 |
Family
ID=34419394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/014203 Ceased WO2005032619A1 (ja) | 2003-10-02 | 2004-09-29 | 血液処理回路の製造方法およびフィルターユニット |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7569026B2 (ja) |
| EP (2) | EP1671664B1 (ja) |
| JP (1) | JP4384637B2 (ja) |
| WO (1) | WO2005032619A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007012321A3 (de) * | 2005-07-26 | 2007-05-31 | Heim Medizintechnik Gmbh | Dampfsterilisierbare bluttrennvorrichtung |
| KR100937216B1 (ko) * | 2009-06-03 | 2010-01-20 | 주식회사 녹십자홀딩스 | 튜브용 커넥터 및 이를 포함하는 채혈 장치 |
| JP2015522384A (ja) * | 2012-07-25 | 2015-08-06 | メムブラーナ ゲゼルシャフト ミット ベシュレンクテル ハフツングMembrana GmbH | 供血者血液を重力を用いて分離する携帯システム |
| WO2017188256A1 (ja) * | 2016-04-25 | 2017-11-02 | テルモ株式会社 | シリンジ用バレル及びプレフィルドシリンジ |
| JP2022515305A (ja) * | 2018-12-25 | 2022-02-18 | テルモ株式会社 | 生体成分分離デバイス |
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| WO2005032619A1 (ja) | 2003-10-02 | 2005-04-14 | Terumo Kabushiki Kaisha | 血液処理回路の製造方法およびフィルターユニット |
| EP2500048B1 (en) * | 2009-11-10 | 2023-09-27 | Terumo Kabushiki Kaisha | Insert unit and blood bag system |
| US9861733B2 (en) | 2012-03-23 | 2018-01-09 | Nxstage Medical Inc. | Peritoneal dialysis systems, devices, and methods |
| WO2012129501A2 (en) | 2011-03-23 | 2012-09-27 | Nxstage Medical, Inc. | Peritoneal dialysis systems, devices, and methods |
| WO2013101743A2 (en) * | 2011-12-30 | 2013-07-04 | Abbott Molecular, Inc. | Microorganism nucelic acid purification from host samples |
| US9011408B2 (en) | 2013-01-31 | 2015-04-21 | Biomet Biologics, Llc | Functionally-closed, sterile blood processing solution system and method |
| US9102918B2 (en) | 2013-01-31 | 2015-08-11 | Biomet Biologics, Llc | Methods for rejuvenating red blood cells |
| US9103842B2 (en) | 2013-01-31 | 2015-08-11 | Biomet Biologics, Llc | Methods for rejuvenating red blood cells |
| US9782707B2 (en) | 2014-03-24 | 2017-10-10 | Fenwal, Inc. | Biological fluid filters having flexible walls and methods for making such filters |
| US9968738B2 (en) | 2014-03-24 | 2018-05-15 | Fenwal, Inc. | Biological fluid filters with molded frame and methods for making such filters |
| US10159778B2 (en) | 2014-03-24 | 2018-12-25 | Fenwal, Inc. | Biological fluid filters having flexible walls and methods for making such filters |
| US9796166B2 (en) | 2014-03-24 | 2017-10-24 | Fenwal, Inc. | Flexible biological fluid filters |
| US10376627B2 (en) | 2014-03-24 | 2019-08-13 | Fenwal, Inc. | Flexible biological fluid filters |
| WO2018237375A1 (en) | 2017-06-24 | 2018-12-27 | Nxstage Medical, Inc. | Peritoneal dialysis fluid preparation and/or treatment devices methods and systems |
| US11883570B2 (en) * | 2017-09-28 | 2024-01-30 | Terumo Kabushiki Kaisha | Blood transfusion kit and system and method |
| US11364328B2 (en) | 2018-02-28 | 2022-06-21 | Nxstage Medical, Inc. | Fluid preparation and treatment devices methods and systems |
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| KR100937216B1 (ko) * | 2009-06-03 | 2010-01-20 | 주식회사 녹십자홀딩스 | 튜브용 커넥터 및 이를 포함하는 채혈 장치 |
| JP2015522384A (ja) * | 2012-07-25 | 2015-08-06 | メムブラーナ ゲゼルシャフト ミット ベシュレンクテル ハフツングMembrana GmbH | 供血者血液を重力を用いて分離する携帯システム |
| CN109069751A (zh) * | 2016-04-25 | 2018-12-21 | 泰尔茂株式会社 | 注射器用筒体及预灌封注射器 |
| WO2017188256A1 (ja) * | 2016-04-25 | 2017-11-02 | テルモ株式会社 | シリンジ用バレル及びプレフィルドシリンジ |
| JPWO2017188256A1 (ja) * | 2016-04-25 | 2019-02-28 | テルモ株式会社 | シリンジ用バレル及びプレフィルドシリンジ |
| US11020530B2 (en) | 2016-04-25 | 2021-06-01 | Terumo Kabushiki Kaisha | Syringe barrel for pre-filled syringe, syringe system, and pre-filled syringe |
| JP7155003B2 (ja) | 2016-04-25 | 2022-10-18 | テルモ株式会社 | シリンジ用バレル及びプレフィルドシリンジ |
| US11666706B2 (en) | 2016-04-25 | 2023-06-06 | Terumo Kabushiki Kaisha | Syringe barrel and pre-filled syringe |
| JP2022515305A (ja) * | 2018-12-25 | 2022-02-18 | テルモ株式会社 | 生体成分分離デバイス |
| JP7358463B2 (ja) | 2018-12-25 | 2023-10-10 | テルモ株式会社 | 生体成分分離デバイス |
| US12208190B2 (en) | 2018-12-25 | 2025-01-28 | Terumo Kabushiki Kaisha | Biological component separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1671664B1 (en) | 2017-05-03 |
| JPWO2005032619A1 (ja) | 2007-11-15 |
| EP2476445A2 (en) | 2012-07-18 |
| EP1671664A1 (en) | 2006-06-21 |
| EP1671664A4 (en) | 2012-09-26 |
| US20070043317A1 (en) | 2007-02-22 |
| US7569026B2 (en) | 2009-08-04 |
| EP2476445B1 (en) | 2013-10-23 |
| EP2476445A3 (en) | 2012-09-19 |
| JP4384637B2 (ja) | 2009-12-16 |
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