JP4493279B2 - Bag connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag coupling body in which a plurality of bags are coupled.
[0002]
[Prior art]
In a blood separation system that collects whole blood from a donor and then separates the collected blood into a plurality of blood components and collects the necessary blood components, the blood collection bag and at least one blood component bag are tubes. The bag coupling body connected by (1) is used. As for this bag coupling body, those with three bags are called triple bags, and those with four bags are called quad bags.
[0003]
In such a bag connection body, although each bag is normally connected by the tube, each bag is independent, and bags can move freely.
[0004]
Therefore, in the operation from blood collection to separation of blood components, there is a problem that these bags are separated, and the tubes connecting the bags are entangled, which makes the operation troublesome.
[0005]
In particular, in a so-called in-line filter in which a filter that removes a predetermined blood component such as leukocytes is installed in a circuit, the above-described entanglement of the tube is likely to occur when the filter is filtered.
[0006]
In order to solve the problem of operability (handling property) in such a bag coupling body, means for forming a plurality of chambers in a sheet and communicating the chambers with selective liquid circulation means (For example, refer patent document 1).
[0007]
However, in the bag coupling body according to the present invention, the form of each bag constituting the bag and the structure of the communication passage (portion corresponding to the tube) communicating between the bags are completely different from the conventional bag coupling body.
[0008]
For this reason, the structure is complicated and difficult to manufacture, and the cost is high. In addition, the operation from blood collection to blood component separation / recovery is difficult to understand, and it is not versatile. The conventional device (centrifugation device, blood component separation / transfer device, etc.) cannot be used in the process of cutting off, or even if it is barely applicable, there are various drawbacks such as a low recovery rate of blood components. Have.
[0009]
[Patent Document 1]
Japanese National Patent Publication No. 9-500316
[0010]
[Problems to be solved by the invention]
The objective of this invention is providing the bag coupling body excellent in operativity, without changing a structure significantly.
[0011]
[Means for Solving the Problems]
  Such purposes are as follows (1) to (8This is achieved by the present invention.
[0012]
  (1) A bag connector including a flexible first bag, a second bag, a third bag, and a fourth bag connected by a tube, and a connecting member that connects the bags. And
The connecting member includes a first label portion attached to the first bag, a second label portion attached to the second bag, and a second label portion attached to the third bag. 3 label part, the 4th label part stuck on the 4th bag, the 1st separation part, the 2nd separation part, the 3rd separation part, and the 4th separation part Have
The first label portion is connected to the first separation portion through a perforation,
The second label part is connected to a second separation part through a perforation,
A third cut-off portion is connected to the third label portion through a perforation,
The fourth label portion is connected to a fourth separation portion through a perforation,
The fourth separation part is divided into three partial separation parts by perforations,
The bag coupling body according to claim 1, wherein the first separation portion, the second separation portion, and the third separation portion are overlapped and fixed to the different partial separation portions.
[0013]
  (2) The first bag is a bag for introducing the collected blood,
The bag connector according to (1), wherein a filter that removes a predetermined component is provided in the middle of a tube that connects the first bag and the second bag.
[0014]
(3) The bag connector according to (2), wherein the filter is a leukocyte removal filter.
[0017]
  (4)SaidA fourth cut-off portion is connected to the label portion of 4 through a perforation and a notch,
  The fourth separation portion is divided into three partial separation portions by perforations and notches.Any of (1) to (3) aboveThe bag coupling body of description.
[0018]
  (5)The first to fourthA label part;The first to fourth connected to thisThe separation partRespectively,Configured to be visually distinguishable(1) to (4) aboveThe bag coupling body in any one of.
[0019]
  (6)The first to fourthA label part;The first to fourth connected to thisThe separation partRespectively,Different colorsAbove (5)The bag coupling body of description.
[0020]
  (7)The first to fourth separation partsInformation indicating the order of separation is displayed on the connecting member or the bag.(1) to (6) aboveThe bag coupling body in any one of.
[0021]
  (8)The first to fourthThe label section displays information about the contents of the bag to which it is attached(1) to (7) aboveThe bag coupling body in any one of.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the bag coupling body of the present invention will be described in detail based on preferred embodiments shown in the accompanying drawings.
[0023]
FIG. 1 is a plan view schematically showing a first embodiment of a bag connector according to the present invention. The bag connector 1 shown in the figure is used for collecting blood from a donor (blood donor), separating the collected blood into a plurality of blood components, and collecting a desired blood component from them into a bag. A first bag (blood collection bag) 2 for storing blood collection blood, a second bag (red blood cell bag) 3 for storing blood components, a third bag (platelet bag) 4 and a fourth bag ( A plasma bag) is a quadruple bag coupling body having a total of four bags.
[0024]
The first bag 2 has a bag body 20 which is formed into a bag shape by stacking flexible sheet materials and fusing (sealing) the periphery thereof. Similarly, the second bag 3, the third bag 4, and the fourth bag 5 are each formed into a bag shape by stacking flexible sheet materials and fusing (sealing) the periphery thereof. It has a bag body 30, 40 and 50.
[0025]
Examples of the constituent material of the bag body 20, 30, 40 and 50 include, for example, polyvinyl chloride, soft polyvinyl chloride, materials mainly composed of soft polyvinyl chloride (for example, copolymers with a small amount of other polymer materials) , Polymer blends, polymer alloys, etc.), ethylene-vinyl acetate copolymers, and the like.
[0026]
Note that an anticoagulant is preferably placed in the first bag 2 in advance. This anticoagulant is usually a liquid, and examples thereof include an ACD-A solution, a CPD solution, a CPDA-1 solution, and a heparin sodium solution. The amount of such an anticoagulant in the bag body 20 is an appropriate amount corresponding to the planned blood collection amount.
[0027]
In addition, it is preferable that a red blood cell preservation solution is placed in the fourth bag 5 in advance. This erythrocyte preservation solution is usually a liquid, and examples thereof include a SAGM solution, a MAP solution, and an OPTISOL solution. The amount in the bag body 50 is set to an appropriate amount according to the scheduled blood collection amount.
[0028]
As shown in FIG. 1, one end of flexible tubes 61 and 62 is connected to the upper end portion of the first bag 2 in FIG. 1 so as to communicate with the inside of the first bag 2 (blood storage portion). Has been. A blood collection needle 7 is attached to the other end of one of the tubes 61 via a hub 71. A cap (not shown) for enclosing the blood collection needle 7 is attached to the hub 71. The other end of the other tube 62 is connected to the inlet 81 of the filter 8.
[0029]
One end of flexible tubes 63 and 64 is connected to the upper end of the second bag 3 in FIG. 1 so as to communicate with the inside of the second bag 3 (blood component storage). One of these tubes 63 is connected to the outlet 82 of the filter 8.
[0030]
The upper ends of the third bag 4 and the fourth bag 5 in FIG. 1 communicate with the inside of the third bag 4 (blood component storage portion) and the fourth bag 5 (blood component storage portion), respectively. One end of the flexible tubes 65 and 66 is connected.
[0031]
The other ends of the tubes 64, 65 and 66 are connected to the three ports of the branch connector 67, respectively.
[0032]
With the above configuration, the first bag 2 to the fourth bag 5 are connected via the tube 62, the filter 8, the tube 63, the tube 64, the tube 65, the tube 66, and the branch connector 67, respectively. The inside communicates.
[0033]
As the constituent materials of the tubes 61 to 66, for example, polyvinyl chloride, soft polyvinyl chloride, materials mainly composed of soft polyvinyl chloride (for example, copolymers with a small amount of other polymer materials, polymer blends) , Polymer alloys, etc.), ethylene-vinyl acetate copolymers, and the like.
[0034]
The filter 8 has a housing and a filter medium (filter medium) provided in the housing, and the blood introduced from the inlet 81 is separated by filtering out desired components (unnecessary substances) by the filter medium. It flows out from 82.
[0035]
The housing material of the filter 8 includes polycarbonate, polyvinyl chloride, soft polyvinyl chloride, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile-styrene copolymer (AS Resin) and the like.
[0036]
Moreover, as a constituent material of a filter medium, porous bodies, nonwoven fabrics, etc., such as polyether type polyurethane, polyester type polyurethane, polyethylene terephthalate, polybutylene terephthalate, etc. are mentioned, for example.
[0037]
The type of the filter 8 is not particularly limited, and is appropriately selected depending on the application. For example, when classified according to components to be filtered, a leukocyte removal filter, a microaggregate removal filter, a virus removal Examples include filters and endotoxin removal filters. In addition, a filter that removes bacteria, prions, pathogenic substances, and the like may be used.
[0038]
There are two types of leukocyte removal filters: one that separates only white blood cells (which can separate one or more of lymphocytes, granulocytes, and monocytes) and one that filters white blood cells and platelets. It is also possible to filter out the fine agglomerates at the same time.
[0039]
In addition, the microaggregate removal filter includes a type that filters out only fine aggregates and a type that filters out fine aggregates and platelets.
[0040]
In addition, in the virus removal filter, a type that filters only viruses (for example, HAV, HBV, HCV, HIV, HTLV-I, CMV, parvovirus B19, filovirus, hantavirus, etc.), a virus, and an endotoxin There is a type in which either one or both of the fine aggregates are filtered out. In addition, leukocytes and platelets can be selectively filtered out.
[0041]
In addition, in the endotoxin removal filter, there are a type in which only endotoxin is filtered, and a type in which one or both of viruses and fine aggregates are filtered together with endotoxin. In addition, leukocytes and platelets can be selectively filtered out.
[0042]
Such 1st-4th bags 2-5 are arranged in a planar form, as shown in FIG. 1, and are connected by the strip | belt-shaped connection member 9 in this state.
[0043]
The connecting member 9 includes label portions 91 to 94 attached to the bags 2 to 5, respectively, and separating portions 95 to 97 (shown by hatching in FIG. 1) for separating the connecting member 9 between adjacent bags. And preferably have flexibility. More specifically, a separation portion 95 having a predetermined region (area) is formed between the label portions 91 and 92, and a separation portion 96 having a predetermined region (area) is formed between the label portions 92 and 93. A separating portion 97 having a predetermined region (area) is formed between the label portions 93 and 94. That is, the label portions 91 to 94 and the separating portions 95 to 97 having predetermined regions (areas) are alternately formed along the longitudinal direction of the connecting member 9.
[0044]
As described above, since the label members 91 to 94 and the separating portions 95 to 97 are integrally formed, the connecting member 9 is manufactured separately and individually attached (attached to each bag 2 to 5). Therefore, the bag assembly 1 can be easily manufactured, which contributes to the automation of the manufacturing.
[0045]
In addition, since the bags 2 to 5 are connected using the belt-like connecting member 9, the structures and forms of the bags 2 to 5, the filter 8 and the tubes 61 to 66, and their connection structure (circuit configuration) are almost changed. Therefore, the bag assembly 1 can be configured, and therefore, a series of operations from blood collection to separation / collection of blood components are almost the same as the conventional ones except for the separation operation of the separation parts 95 to 97, The operation is easy to understand and erroneous operation is prevented. Furthermore, since there is almost no change in the structure or circuit configuration of each bag 2-5, conventional centrifugal separators, blood component separation and transfer devices, etc. can be used as they are, and in this respect, operation is easy and erroneous operation is prevented. In addition, the blood component recovery rate can be maintained high.
[0046]
A perforation 98 is formed at the boundary between the label portions 91 to 94 and the separation portions 95 to 97. Further, a notch (notch) 99 is formed at one end of each perforation 98. Thereby, separation operation of each separation part 95-97, ie, separation of label parts 91-94, and separation part 95-97 can be performed easily and reliably.
[0047]
Moreover, it is preferable that the label portions 91 to 94 and the separating portions 95 to 97 are configured to be visually distinguishable. For example, a method of making the colors of the label portions 91 to 94 different from the separation portions 95 to 97, a method of attaching diagonal lines or other patterns only to the separation portions 95 to 97, and the like can be mentioned. Thereby, the positions of the separation parts 95 to 97 can be easily grasped, and the separation operation can be performed easily and reliably.
[0048]
In addition, when making the color of the isolation | separation parts 95-97 different from the label parts 91-94, you may make it also make the color of isolation | separation parts 95-97 mutually different. For example, the label portions 91 to 94 can be white, and the separation portions 95 to 97 can be red, orange, and yellow, respectively. In this case, it is possible to indicate the order of separation as described later, based on the color depth (brightness) of the colors of the separation units 95 to 97. Each label part 91-94 has an adhesive layer in the back surface, and is affixed on the surface of each bag main body 20-50 by this adhesive layer. Moreover, the information regarding the contents (accommodation thing) of the bag to which it is stuck is displayed on the label parts 91-94, for example by printing. Examples of the displayed information include the type of blood component to be stored, the volume of the bag, the blood type, the blood collection date, information on the donor (name, age, sex, etc.). As a display method, the information as described above may be displayed as it is with characters, numbers, symbols, or the like, or the information as described above may be encoded and displayed (for example, a barcode or a two-dimensional code).
[0049]
Such label portions 91 to 94 are preferably those that do not easily peel off from the surfaces of the bag main bodies 20 to 50, and preferably have tamper-proof properties.
[0050]
Moreover, it is preferable that the information which shows the order to separate is displayed on each separation part 95-97. That is, as shown in FIG. 1, numbers “1”, “2”, and “3” indicating the order of separation are assigned to the separation units 95 to 97, respectively. Thereby, it is possible to easily grasp the separation order of the separation parts 95 to 97, and the separation operation can be easily and reliably performed without any erroneous operation.
[0051]
In addition, the information regarding the order which each isolation | separation part 95-97 isolate | separates may be displayed in places other than the isolation | separation part 95-97 of a connection member, or may be displayed on each bag 2-5.
[0052]
Since each separation part 95-97 has flexibility, in each process mentioned later (especially process [1] [3] [6] [7]), it is necessary for separation part 95-97 as needed. It is also possible to perform the operation by bending a desired cut-out portion and stacking bags located at both ends thereof. Further, the same operation can be performed by bending the perforation 98. Thereby, in the said process, operation can be performed in the state which packed the bag coupling body 1 compactly.
[0053]
Next, an example of the usage method of the bag coupling body 1 of this embodiment is demonstrated. The filter 8 is typically described as a leukocyte removal filter that filters (separates) leukocytes from blood.
[0054]
[1] First, blood is collected from a donor (blood donor) using the blood collection needle 7, a predetermined amount of blood is secured in the first bag 2, and the blood is previously placed in the first bag 2. Mix with anticoagulant. At this time, since the first bag 2 to the fourth bag 5 are connected by the connecting member 9 and grouped together, each bag and tubes are not separated and annoying, and blood collection work is facilitated. It can be carried out.
[0055]
After blood collection is completed, the tube 61 is sealed by fusion with a tube sealer or the like as necessary, and the sealed portion is cut to separate and remove the tube 61 on the blood collection needle 7 side.
[0056]
[2] Next, the separation part 95 is separated along the perforations 98 at both ends thereof and removed from the connecting member 9 to separate the first bag 2 and the second bag 3.
[0057]
At this time, the separation part 95 is visually identifiable due to the difference in color from the label parts 91 and 92 at both ends, and the number “1” indicating the separation order is displayed, so that The separation part 95 can be grasped and specified, and the formation of the notch 99 and the perforation 98 subsequent thereto enables the separation operation to be performed easily and reliably, and the label parts 91 and 92 are accidentally broken. There is nothing.
[0058]
[3] Next, the blood in the first bag 2 is filtered by the filter 8. That is, leukocytes are separated (separated) from blood. In this case, for example, the first bag 2 in which blood is stored may be hung on a stand to place the first bag 2 at a high place, and blood may be transferred using gravity, or For example, the first bag 2 may be pressurized using a bag pressurizing device as described in JP-A-1-288238, etc., and blood may be pushed out and transferred.
[0059]
By this operation, the blood in the first bag 2 flows into the filter 8 from the inlet 81 through the tube 62, and leukocytes are separated (separated) by the filter medium. The blood from which the white blood cells have been removed (white blood removal) flows out from the outlet 82, is introduced into the second bag 3 through the tube 63, and is collected.
[0060]
[4] Next, a tube sealer or the like is used to seal the middle of the tube 63 by fusing, and the sealed portion is cut to separate the first bag 2 and the filter 8 from the second bag 3. To do.
[0061]
[5] Next, the separation part 96 is separated along the perforations 98 at both ends thereof and removed from the connecting member 9 to separate the second bag 3 and the third bag 4.
[0062]
At this time, similarly to the above, the separation part 96 is visually identifiable by the color difference from the label parts 92 and 93 at both ends, and the number “2” indicating the order of separation is displayed. Therefore, the separation part 96 can be easily grasped and specified, and the formation of the notch 99 and the perforation 98 subsequent thereto makes it possible to perform the separation operation easily and reliably. And never break.
[0063]
[6] Next, the second bag 3, the third bag 4, and the fourth bag 5 are put together and placed in a centrifuge cup of a centrifuge, and the centrifuge is operated to perform centrifugation. Thereby, the white blood removal accommodated in the 2nd bag 3 is isolate | separated into two layers, for example, a lower layer red blood cell, and an upper layer platelet-rich plasma. Such a blood component separation pattern is determined by the conditions of centrifugation (centrifugal rotation speed, centrifugation time, etc.).
[0064]
[7] Next, among the blood components separated into two layers in the second bag 3, the upper platelet-rich plasma is transferred to the third bag 4. The method is as follows.
[0065]
The second bag 3 is set in a blood component separation and transfer device (bag pressurizing device), and the second bag 3 is gradually pressurized (compressed) with the tube 66 sealed with a clamp. As a result, the supernatant platelet-rich plasma is discharged from the second bag 3, transferred to the third bag 4 via the tube 64, the branch connector 67 and the tube 65 and collected.
[0066]
When the transfer of platelet-rich plasma is completed in this way, the lower red blood cells remain in the second bag 3.
[0067]
[8] Next, the separation part 97 is separated from the connecting member 9 along the perforations 98 at both ends thereof, and the third bag 4 and the fourth bag 5 are separated.
[0068]
At this time, similarly to the above, the separation portion 97 is visually identifiable by the color difference from the label portions 93 and 94 at both ends, and the number “3” indicating the separation order is displayed. Therefore, the separation part 97 can be easily grasped and specified, and the formation of the notch 99 and the perforation 98 subsequent thereto makes it possible to perform the separation operation easily and reliably. And never break. In addition, you may perform this process [8] by the said process [7].
[0069]
[9] Next, the red blood cell preservation solution (SAGM or the like) in the fourth bag 5 is added to the red blood cells in the second bag 3.
[0070]
In a state where the sealing of the tube 66 with the clamp is released and the tube 65 is sealed with the clamp, the red blood cell preservation solution is discharged from the fourth bag 5, passes through the tube 66, the branch connector 67 and the tube 64, and then the second bag. 3 and added to the red blood cells in the second bag 3.
[0071]
[10] Next, a tube sealer or the like is used to seal the middle of the tube 64 by fusing, and the sealing portion is cut to separate the second bag 3 and the third bag 4.
[0072]
[11] Next, the third bag 4 and the fourth bag 5 are centrifuged to separate white blood removal (platelet-rich plasma) in the third bag 4 into lower platelets and upper plasma. . Then, the platelets are left in the third bag 4 and the upper layer plasma is transferred to the fourth bag 5. Thereafter, the tube 65 or 66 is sealed in the middle of the tube 65 or 66 with a tube sealer or the like, and the sealed portion is cut to separate the third bag 4 and the fourth bag 5.
[0073]
Thus, the second bag 3 containing red blood cells (erythrocyte concentrate (CRC)), the third bag 4 containing platelets (concentrated platelet plasma (PC)), and the fourth bag containing plasma (platelet poor plasma (PPP)). The bag 5 is obtained.
[0074]
The blood separation and recovery operations in the above steps are merely examples, and in the present invention, the types of blood components for separating and recovering blood, the bags to be used, the operating procedures, etc. are not particularly limited.
[0075]
As described above, by using the bag assembly 1 of the present invention, each bag 2 to 5, the filter 8, the tubes 61 to 66, etc. are operated in each step from blood collection to separation and collection of blood components. Therefore, in each process, the work can be performed easily, quickly and reliably, and the tubes 61 to 66 can be prevented from being twisted or tangled. It becomes possible.
[0076]
Next, 2nd Embodiment of the bag coupling body of this invention is described.
FIG. 2 is a perspective view schematically showing a second embodiment of the bag connector of the present invention.
[0077]
Hereinafter, the bag coupling body 1 according to the second embodiment will be described with a focus on the differences from the first embodiment described above, and description of similar matters will be omitted.
[0078]
The bag connector 1 of the second embodiment shown in FIG. 2 is the same as the first embodiment except for the configuration of the connecting member 10. The connecting member 10 is configured to be able to hold the first bag 2 to the fourth bag 5 in a stacked state (a state in which the first bag 2 and the fourth bag 5 are arranged vertically), and the first bag 2 and the second bag. 3. It has labels 91, 92, 93 and 94 to be attached to the third bag 4 and the fourth bag 5, respectively, and separation parts 11, 12, 13 and 14 adjacent to them.
[0079]
  One end of each separation part 11, 12, 13 and 14 is labeled via a perforation 98, respectively.Part91, 92, 93, and 94, and the other ends of the separation parts 11, 12, 13 and 14 are coupled (integrated) to each other.
[0080]
In addition, although the structure of each label part 91-94 and each separation part 11-14 is the same as that of the said 1st Example, the order (order of the perforation 98 to separate) which separates each separation part 11-14 is shown. The difference is that the numbers “1”, “2”, “3”, “3” are attached in the vicinity of the perforations 98 on the respective cut-off portions 11-14.
[0081]
Next, 3rd Embodiment of the bag coupling body of this invention is described.
FIG. 3 is a perspective view schematically showing a third embodiment of the bag coupling body of the present invention, and FIG. 4 is a plan view showing a detaching procedure of the detaching portion of the linking member in the third embodiment. Hereinafter, the bag coupling body 1 according to the third embodiment will be described with a focus on differences from the first embodiment described above, and description of similar matters will be omitted.
[0082]
  The bag connector 1 according to the third embodiment shown in FIG. 3 is the same as the first embodiment except for the configuration of the connecting member 10 ′. This bag coupling body 1 is configured so as to be able to hold the first bag 2 to the fourth bag 5 in a stacked state (a state in which they are vertically arranged). The bag 3, the third bag 4, and the fourth bag 5 are labeled respectively.Part91, 92, 93 and 94 are attached.
[0083]
  labelPart91 is connected to a separation portion 15 through a perforation 98, and is labeledPart92 is connected to the separation part 16 through a perforation 98, and the labelPart93 is connected to the separation part 17 via a perforation 98, and is labeledPart94 is connected to a separating portion 18 through a perforation 98 and a notch 99.
[0084]
  Of which, labelPartThe separation part 18 connected to 94 is divided into three strip-like partial separation parts 181, 182, and 183 by perforations 98 and notches 99 (see FIG. 3). The widths of the partial cut-off portions 181, 182 and 183 (the horizontal length in FIG. 3) are set to the same widths as the widths of the cut-off portions 15, 16 and 17 (the horizontal length in FIG. 3), respectively. Has been.
[0085]
  Also labelPart94 and the width of the separating portion 18 (length in the vertical direction in FIG. 3)Part91 and the width of the separation part 15, labelPart92 and the width of the separation part 16 and the labelPart93 and the width of the separating portion 17 are set to be short, thereby four labels.PartWhen 91 and 94 are overlapped with their lower ends (lower ends in FIG. 4) aligned, labelsPartThe upper end portion 94 (upper end portion in FIG. 4) and the upper end portions of the partial cut-off portions 181, 182, and 183 are exposed (see FIG. 4A). The numbers “1”, “2”, and “3” indicating the order of separation are given to the upper end portions (exposed portions) of the partial separation portions 181, 182, and 183, respectively.
[0086]
  labelPartIn a state where four sheets 91 to 94 are stacked, the separation part 17 overlaps with the partial separation part 183, the separation part 16 overlaps with the partial separation part 182, and the separation part 15 overlaps with the partial separation part 181. The overlapping portions of these separation portions are fixed by a method such as bonding with an adhesive (the state before fixing is shown in FIG. 3).
  The procedure for disconnecting the disconnecting portion of the connecting member 10 ′ in the third embodiment is as follows.
[0087]
  Label shown in FIG.PartIn the four-ply state, the bags 2 to 5 are connected to each other by the connecting member 10 '. From this state, according to the numeral "1", the partial cut-off portion 181 and the cut-off portion 15 that is overlapped and fixed to the cut-off portion 15 are connected. If it cuts and removes along the perforation 98 of a side part, it will be in the state of Drawing 4 (b), and the 1st bag 2 will be separated from other bags 3-5.
[0088]
  Then this labelPart4c, when the partial cut-off portion 182 and the cut-off portion 16 that is overlapped and fixed to the cut-off portion 16 are cut off along the perforations 98 on the side and removed. Thus, the second bag 3 is separated from the third and fourth bags 4 and 5.
[0089]
  Then this labelPart4D, when the partial cut-off portion 183 and the cut-off portion 17 overlapped and fixed thereto are cut off along the perforations 98 on the side and removed in accordance with the numeral “3”. Thus, the third bag 4 is separated from the fourth bag 5.
[0090]
As mentioned above, although the bag coupling body of this invention was demonstrated based on each embodiment of illustration, this invention is not limited to these, The structure of each part is set to the thing of the arbitrary structures which have the same function. It can be substituted and any configuration can be added.
[0091]
In each of the above embodiments, the four-bag connection body is used. However, the present invention is not limited to this, and may be a two-bag bag, a three-bag bag, or five or more bag connection bodies. It goes without saying that the configuration, use, etc. of each bag to be configured are not particularly limited.
[0092]
【The invention's effect】
As described above, according to the present invention, for example, operations such as separation and collection of blood components can be performed easily and quickly, erroneous operations can be prevented, and more appropriate and reliable operations can be performed.
[0093]
In particular, when configured so that the separation part can be easily recognized visually and the order of separation can be easily grasped, the above-described effect is more remarkably exhibited.
[0094]
Compared to the conventional case, there is no significant structural change in the bag, tube, etc., the structure is simple, and the manufacture of the connecting member and the attachment to the bag are easy, so the manufacture of the bag assembly is facilitated. The manufacturing cost is also low.
[Brief description of the drawings]
FIG. 1 is a plan view schematically showing a first embodiment of a bag connector according to the present invention.
FIG. 2 is a perspective view schematically showing a second embodiment of the bag connector of the present invention.
FIG. 3 is a plan view schematically showing a third embodiment of the bag connector of the present invention.
FIG. 4 is a plan view showing a disconnection procedure of a disconnecting portion of a connecting member in the third embodiment shown in FIG. 3;
[Explanation of symbols]
  1 Bag connector
  2 First bag (blood collection bag)
  20 Bag body
  3 Second bag (blood component bag)
  30 Bag body
  4 Third bag (blood component bag)
  40 Bag body
  5 Fourth bag (blood component bag)
  50 Bag body
  61-66 tubes
  67 Branch connector
  7 Blood collection needle
  71 hub
  8 Filter
  81 entrance
  82 Exit
  9 Connecting members
  91-94Label part
  95-97 Separation part
  98 perforations
  99 notches
  10, 10 'connecting member
  11-14 Detachment part
  15-18 Detaching part
  181 to 183 Partial separation part

Claims (8)

A bag coupling body including a flexible first bag, a second bag, a third bag, and a fourth bag coupled by a tube, and a coupling member that couples the bags,
  The connecting member includes a first label portion attached to the first bag, a second label portion attached to the second bag, and a second label portion attached to the third bag. 3 label part, the 4th label part stuck on the 4th bag, the 1st separation part, the 2nd separation part, the 3rd separation part, and the 4th separation part Have
  The first label portion is connected to the first separation portion through a perforation,
  The second label part is connected to a second separation part through a perforation,
  A third cut-off portion is connected to the third label portion through a perforation,
  The fourth label portion is connected to a fourth separation portion through a perforation,
  The fourth separation part is divided into three partial separation parts by perforations,
  The bag coupling body according to claim 1, wherein the first separation portion, the second separation portion, and the third separation portion are overlapped and fixed to the different partial separation portions. The first bag is a bag for introducing the collected blood,
  The bag coupling body according to claim 1, wherein a filter that removes a predetermined component is provided in the middle of a tube that couples the first bag and the second bag.   The bag coupling body according to claim 2, wherein the filter is a leukocyte removal filter. The fourth label portion is connected to a fourth separation portion through a perforation and a notch,
The bag coupling body according to any one of claims 1 to 3, wherein the fourth separation portion is divided into three partial separation portions by perforations and notches. And the first to fourth label portion and said first to fourth separation portion connected thereto, respectively, claims 1 and is configured to be visually distinguishable to one of 4 The bag coupling body of description. The bag coupling body according to claim 5 , wherein the first to fourth label portions and the first to fourth separation portions coupled thereto are different in color. The bag coupling body according to any one of claims 1 to 6 , wherein information indicating an order of separating the first to fourth separation portions is displayed on the coupling member or the bag. The said 1st-4th label part is the bag coupling body in any one of the Claims 1 thru | or 7 by which the information regarding the content of the bag to which it is stuck is displayed.

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