Plastic blood bag

Abstract

The utility model relates to the field of medical instruments, in particular to a plastic blood bag. The blood bag comprises various models and is characterized in that heat seal sites are marked on the blood collection tube and the transfer tube, and identifiable marks are attached to the bag body. Heat sealing is carried out according to heat sealing sites, the blood collection tube and the transfer tube can be subjected to heat sealing to form the standard length, and it is guaranteed that the blood volume in a heat sealing section meets the blood sample preservation and later-stage cross blood matching requirements; the identification attached to the bag body is automatically identified, so that the blood bag information can be directly input into a blood management information system, and the risk that the blood bag information is input mistakenly is avoided.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to a plastic blood bag. Background Art

[0002] Plastic blood bags are standardized, hygienic and safe containers used in the medical field for blood collection, storage, transfer and transfusion. These blood bags are made of specific plastic materials and their design fully considers the functional requirements and sterility requirements during blood collection and blood component preparation to ensure the quality and safety of blood products.

[0003] When heat-sealing the blood collection tubes and transfer tubes of traditional blood bags, blood station staff are required to visually determine the heat-seal length, which can easily result in uneven heat-seal lengths for the blood collection tubes and transfer tubes, leading to insufficient blood volume within the heat-seal sections of the tubes and transfer tubes, affecting blood sample retention and subsequent cross-matching. Furthermore, when entering traditional blood bag material information into the blood management information system, the blood bag information used must be manually selected on a mobile smart terminal device, which is cumbersome and carries the risk of incorrect blood bag information entry. Therefore, it is necessary to design a plastic blood bag that facilitates heat-sealing blood collection tubes and transfer tubes into a standard length and that can import blood bag information into the blood management information system through automatic recognition technology. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a plastic blood bag which is convenient for heat-synthesizing the blood collection tube and transfer tube of the blood bag into a standard length and can import the blood bag information into the blood management information system through automatic recognition technology.

[0005] The technical implementation of the present utility model is a plastic blood bag, available in various sizes, with heat-sealing sites marked on the blood collection tube and transfer tube, and identifiable markings attached to the plastic blood bag. Heat-sealing refers to the process of softening the plastic tube by heating it with heat energy, and then applying pressure to seal the tube. The heat-sealing sites may also be referred to as heat-sealing sites. The plastic blood bag may be disposable.

[0006] More preferably, the heat-sealing site is one or more heat-sealing sites.

[0007] More preferably, the plastic blood bag further comprises a blood collection needle, wherein the first heat-sealing site is located 1-3 cm from the blood collection needle, and the subsequent heat-sealing sites are located 5-30 cm from the previous heat-sealing site. Alternatively, the plastic blood bag further comprises a blood collection bag, a blood filter, and a leukocyte filter disc connected by a transfer tube between the heat-sealing sites.

[0008] More preferably, the identifiable identification attached to the plastic blood bag includes an identification that can be identified by automatic identification technology, such as a barcode, a QR code or a radio frequency identification electronic tag.

[0009] In some embodiments, the plastic blood bags include type I, II, III, and IV plastic blood bags.

[0010] Model I plastic blood bag includes a blood collection needle, a transfer tube, a clamp, a blood collection tube, a tee, a filling tube, a plugging device, a blood transfusion socket, a blood collection bag, a transfer bag and a preservation fluid bag. The upper left side of the blood collection bag is connected to the blood collection tube, the end of the blood collection tube is connected to the blood collection needle, the blood collection tube is marked with a heat sealing site, the upper side of the blood collection bag is connected to the filling tube, and the back of the blood collection bag is attached with a mark that can be identified by automatic identification technology. The upper side of the blood collection bag is connected to the transfer tube through the plugging device, and the end of the transfer tube is connected to the upper and lower transfer tubes through a tee. The ends of the two transfer tubes connected through the tee are respectively connected to the preservation fluid bag and the transfer bag.

[0011] Model II plastic blood bag includes a blood collection needle, a transfer tube, a clamp, a blood collection tube, a tee, a filling tube, a plugging device, a blood transfusion socket, a blood collection bag, a transfer bag and a preservation fluid bag. The upper left side of the blood collection bag is connected to the blood collection tube, the end of the blood collection tube is connected to the blood collection needle, the blood collection tube is marked with a heat sealing site, the upper side of the blood collection bag is connected to the filling tube, and the back of the blood collection bag is attached with a mark that can be identified by automatic identification technology. The upper side of the blood collection bag is connected to the transfer tube through the plugging device, and the end of the transfer tube is connected to two upper and lower transfer tubes through the left tee. The ends of the two transfer tubes connected through the left tee are respectively connected to the left transfer bag and the right tee. The right tee is connected to two upper and lower transfer tubes, and the ends of the two transfer tubes connected through the right tee are respectively connected to the preservation fluid bag and the right transfer bag.

[0012] Model III plastic blood bag includes a blood collection needle, a transfer tube, a clamp, a blood collection tube, a tee, a filling tube, a plugging device, a blood transfusion socket, a blood collection bag, a transfer bag, a platelet preservation bag and a preservation liquid bag. The upper left side of the blood collection bag is connected to the blood collection tube, the end of the blood collection tube is connected to the blood collection needle, the blood collection tube is marked with a heat sealing site, the upper side of the blood collection bag is connected to the filling tube, and the back of the blood collection bag is attached with a mark that can be identified by automatic identification technology. The upper side of the blood collection bag is connected to the transfer tube through the plugging device, the end of the transfer tube is connected to the upper and lower transfer tubes through the left tee, the ends of the two transfer tubes connected through the left tee are respectively connected to the left transfer bag and the right tee, the upper side of the left transfer bag is connected to the transfer tube, the end of the transfer tube is connected to the platelet preservation bag, the right tee is connected to the upper and lower transfer tubes, and the ends of the two transfer tubes connected through the right tee are respectively connected to the right transfer bag and the preservation liquid bag.

[0013] Model IV plastic blood bag includes a blood collection needle, a transfer tube, a clamp, a blood collection tube, a tee, a filling tube, a blocking device, a blood transfusion port, a blood filter, a leukocyte filter disc, a blood collection bag, a transfer bag, a preservation fluid bag and a blood storage bag. The upper left side of the blood collection bag is connected to the blood collection tube, the end of the blood collection tube is connected to the blood collection needle, the upper side of the blood collection bag is connected to the filling tube, and the back of the blood collection bag is attached with a mark that can be identified by automatic identification technology. The upper side of the blood collection bag is connected to the transfer tube through the blocking device. The transfer tube is connected in series from left to right with the blood filter, the left tee, the leukocyte filter disc, the middle tee and the blood storage bag. A transfer tube is also connected in parallel between the left tee and the middle tee. The middle tee and the blood storage bag are also connected through the transfer tube. The transfer tube and the blood collection tube are marked with heat sealing sites. The upper middle side of the blood storage bag is also connected to a transfer tube through the blocking device. The end of the transfer tube on the blood storage bag is connected to the upper and lower transfer tubes through the right tee. The ends of the two transfer tubes connected through the right tee are connected to the preservation fluid bag and the transfer bag respectively.

[0014] More preferably, the heat-sealing sites of model I, II, and III plastic blood bags are located on the blood collection tubes, with the first heat-sealing site marked with a symbol at a position 1-3 cm away from the blood collection needle, the second heat-sealing site marked with a symbol at a position 5-30 cm away from the first heat-sealing site, the third heat-sealing site marked with a symbol at a position 5-30 cm away from the second heat-sealing site, the fourth heat-sealing site marked with a symbol at a position 5-30 cm away from the third heat-sealing site, and the fifth heat-sealing site marked with a symbol at a position 5-30 cm away from the fourth heat-sealing site.

[0015] More preferably, the heat-sealing sites of the model IV plastic blood bag are located on the blood collection tube and the transfer tube, with the first heat-sealing site marked with a symbol at a position 1-3 cm away from the blood collection needle, the second heat-sealing site marked with a symbol at a position 5-30 cm away from the first heat-sealing site, the third heat-sealing site marked with a symbol at a position 5-30 cm away from the middle tee, the fourth heat-sealing site marked with a symbol at a position 5-30 cm away from the third heat-sealing site, the fifth heat-sealing site marked with a symbol at a position 5-30 cm away from the fourth heat-sealing site, and the sixth heat-sealing site marked with a symbol at a position 5-30 cm away from the fifth heat-sealing site.

[0016] More preferably, the clamp of the plastic blood bag includes a flow-stopping clamp or a sheet clamp, and the flow-stopping clamp or the sheet clamp is provided on the blood collection tube and the transfer tube.

[0017] More preferably, the upper portion of each of the plastic blood collection bag, transfer bag, preservation fluid bag, blood storage bag and platelet preservation bag is provided with two left and right holes.

[0018] Compared with the existing technology, the utility model has the following advantages: 1. The utility model has heat-sealing sites marked on the blood collection tube and transfer tube, which can be heat-sealed into a standard length to ensure that the blood volume in the heat-sealed section meets the requirements of blood sample retention and later cross-matching.

[0019] 2. The utility model attaches an identification mark on the bag body that can be identified by automatic identification technology. The blood bag information can be directly imported into the blood management information system through the identification mark, omitting the step of manually selecting the blood bag information used on the mobile smart terminal device, and at the same time avoiding the risk of incorrect entry of blood bag information. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] Figure 2 This is a front structural diagram of Model I of the utility model;

[0022] Figure 3 This is a schematic diagram of the partial structure of the back of Model I of the utility model;

[0023] Figure 4 This is a schematic diagram of the front structure of Model II of the present utility model;

[0024] Figure 5 This is a schematic diagram of the partial structure of the back of Model II of the utility model;

[0025] Figure 6 This is a schematic diagram of the front structure of Model III of the present utility model;

[0026] Figure 7 This is a schematic diagram of the partial structure of the back of Model III of the utility model;

[0027] Figure 8 This is a schematic diagram of the front structure of Model IV of the present utility model;

[0028] Figure 9 This is a schematic diagram of the partial structure of the back of Model IV of the present utility model.

[0029] Among them, 1. blood collection needle, 2. transfer tube, 3. clamp, 4. blood collection tube, 5. tee, 6. filling tube, 7. blocking device, 8. blood transfusion port, 91. blood collection bag, 92. transfer bag, 93. preservation fluid bag, 94. blood storage bag, 95. platelet preservation bag, 10. hole, 11. blood filter, 12. leukocyte filter disc. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1

[0032] A plastic blood bag, such as Figure 2 and Figure 3 As shown, model I includes a blood collection needle 1, a transfer tube 2, a clamp 3, a blood collection tube 4, a tee 5, a filling tube 6, a blocking device 7, a blood transfusion port 8, a blood collection bag 91, a transfer bag 92 and a preservation liquid bag 93. The upper left side of the blood collection bag 91 is connected to the blood collection tube 4, and the heat sealing site is marked on the blood collection tube 4. The clamp 3 is provided on the blood collection tube 4, and the clamp is preferably a stop clamp. The end of the blood collection tube 4 is connected to the blood collection needle 1, the upper side of the blood collection bag 91 is connected to the filling tube 6, and the upper side of the blood collection bag 91 is connected to the transfer tube 2 through the blocking device 7. The transfer tube 2 is also provided with a clamp 3, which is preferably a sheet clamp. The end of the transfer tube 2 is connected to the upper and lower transfer tubes 2 through the tee 5, and the ends of the two transfer tubes 2 connected through the tee 5 are respectively connected to the transfer bag 92 and the preservation liquid bag 93.

[0033] The model I heat sealing site is located on the blood collection tube 4. The first heat sealing site is marked with a symbol at 3 cm away from the blood collection needle, the second heat sealing site is marked with a symbol at 20 cm away from the first heat sealing site, the third heat sealing site is marked with a symbol at 16 cm away from the second heat sealing site, the fourth heat sealing site is marked with a symbol at 16 cm away from the third heat sealing site, and the fifth heat sealing site is marked with a symbol at 16 cm away from the fourth heat sealing site.

[0034] The upper parts of the blood collection bag 91 , the transfer bag 92 and the preservation liquid bag 93 are all provided with two left and right holes 10 .

[0035] A barcode containing blood bag information that can be scanned and identified by a mobile smart terminal is pasted on the back of the blood collection bag 91.

[0036] This device can be used when blood collection requires a Type I plastic blood bag. The blood bag barcode can be scanned and identified by a mobile smart terminal, and the blood bag material information can be directly entered into the blood management information system. The blood collection needle 1 is inserted into the human blood vessel to allow the blood to enter the blood collection tube 4 and flow into the blood collection bag 91. The anticoagulant in the blood collection bag 91 prevents blood coagulation. After the blood collection is completed, the blood collection tube 4 is heat-sealed according to the heat-sealing site mark. The blood in the heat-sealed section can be used for blood sample storage and later cross-matching. The blood collection tube 4 and the blood collection needle 1 are separated at the first heat-sealing point, and the blood collection bag 91 is centrifuged. After the centrifugation is completed, the upper blocking device 7 of the blood collection bag 91 is opened, the blood collection bag 91 is squeezed, and the plasma is transferred to the transfer bag 92 through the tee 5 and the transfer tube 2 connected to the transfer bag 92. The clip on the transfer tube 2 connected to the transfer bag 92 is clamped, and the blocking device 7 above the preservation liquid bag 93 is opened. The preservation liquid is transferred to the blood collection bag 91 through the transfer tube 2 connected to the preservation liquid bag 93 to achieve separation of plasma and suspended red blood cells.

[0037] Example 2

[0038] A plastic blood bag, such as Figure 4 and Figure 5 As shown, model II includes a blood collection needle 1, a transfer tube 2, a clamp 3, a blood collection tube 4, a tee 5, a filling tube 6, a blocking device 7, a blood transfusion socket 8, a blood collection bag 91, a transfer bag 92, a preservation liquid bag 93 and a transfer bag 92. The upper left side of the blood collection bag 91 is connected to the blood collection tube 4, and the blood collection tube 4 is provided with a clamp 3, which is preferably a stop clamp. The end of the blood collection tube 4 is connected to the blood collection needle 1, and the blood collection tube 4 is marked with a heat sealing site. The upper side of the blood collection bag 91 is connected to the filling tube 6, and the upper side of the blood collection bag 91 is connected to the transfer tube 2 through the blocking device 7. The end of the transfer tube 2 is connected to the upper and lower transfer tubes 2 through the left tee 5. The transfer tube 2 is also provided with a clamp 3, which is preferably a sheet clamp. The ends of the two transfer tubes 2 connected through the left tee 5 are respectively connected to the left transfer bag 92 and the right tee, the right tee is connected to the upper and lower transfer tubes 2, and the ends of the two transfer tubes connected through the right tee are respectively connected to the preservation liquid bag 93 and the right transfer bag 92.

[0039] The model II heat sealing site is located on the blood collection tube 4. The first heat sealing site is marked with a symbol at 3 cm away from the blood collection needle, the second heat sealing site is marked with a symbol at 20 cm away from the first heat sealing site, the third heat sealing site is marked with a symbol at 16 cm away from the second heat sealing site, the fourth heat sealing site is marked with a symbol at 16 cm away from the third heat sealing site, and the fifth heat sealing site is marked with a symbol at 16 cm away from the fourth heat sealing site.

[0040] The blood collection bag 91 , the transfer bag 92 , the preservation solution bag 93 and the upper portion of the transfer bag 92 are all provided with two left and right holes 10 .

[0041] A barcode containing blood bag information that can be scanned and identified by a mobile smart terminal is pasted on the back of the blood collection bag 91.

[0042] This device can be used when blood collection requires the use of Type II plastic blood bags. The blood bag information barcode can be scanned and identified by a mobile smart terminal, and the blood bag material information can be directly entered into the blood management information system. The blood collection needle 1 is inserted into the human blood vessel to allow blood to enter the blood collection tube 4 and flow into the blood collection bag 91. The anticoagulant in the blood collection bag 91 prevents blood clotting. After blood collection is completed, the blood collection tube 4 is heat-sealed according to the heat-sealing site mark. The blood in the heat-sealed section can be used for blood sample storage and later cross-matching. The blood collection tube 4 and the blood collection needle 1 are disconnected at the first heat-sealing point, and the blood collection bag 91 is centrifuged. After centrifugation is completed, the clip on the transfer tube 2 connected to the left transfer bag 92 is clamped, the upper blocking device 7 of the blood collection bag 91 is opened, and the blood collection bag 91 is squeezed. The plasma is transferred to the right transfer bag 92 through the left tee 5, the right tee and the transfer tube 2 connected to the right transfer bag 92. The clip on the transfer tube 2 connected to the right transfer bag 92 is clamped, the blocking device 7 above the preservation liquid bag 93 is opened, and the preservation liquid is transferred to the blood collection bag 91 through the transfer tube 2 connected to the preservation liquid bag 93, the right tee 5 and the left tee, thereby achieving separation of plasma and suspended red blood cells.

[0043] Example 3

[0044] A plastic blood bag, such as Figure 6 and Figure 7 As shown, model III includes a blood collection needle 1, a transfer tube 2, a clamp 3, a blood collection tube 4, a tee 5, a filling tube 6, a blocking device 7, a blood transfusion socket 8, a blood collection bag 91, a transfer bag 92, a platelet storage bag 95, a transfer bag 92 and a storage liquid bag 93. The upper left side of the blood collection bag 91 is connected to the blood collection tube 4, and the blood collection tube 4 is provided with a clamp 3, which is preferably a stop clamp. The end of the blood collection tube 4 is connected to the blood collection needle 1, and the blood collection tube 4 is marked with a heat sealing site. The upper side of the blood collection bag 91 is connected to the filling tube 6, and the upper side of the blood collection bag 91 is connected to the platelet storage bag 95 through the blocking device 7. A transfer tube 2 is connected, and a clamp 3 is also provided on the transfer tube 2, which is preferably a stop clamp. The end of the transfer tube 2 is connected to the upper and lower transfer tubes 2 through the left tee 5. The ends of the two transfer tubes 2 connected through the left tee 5 are respectively connected to the left transfer bag 92 and the right tee. The upper side of the left transfer bag 92 is connected to the transfer tube, and the end of the transfer tube is connected to the platelet preservation bag 95. The right tee is connected to the upper and lower transfer tubes 2, and the ends of the two transfer tubes connected through the right tee are respectively connected to the right transfer bag 92 and the preservation liquid bag 93.

[0045] The model III heat sealing site is located on the blood collection tube 4. The first heat sealing site is marked with a symbol at 3 cm away from the blood collection needle, the second heat sealing site is marked with a symbol at 20 cm away from the first heat sealing site, the third heat sealing site is marked with a symbol at 16 cm away from the second heat sealing site, the fourth heat sealing site is marked with a symbol at 16 cm away from the third heat sealing site, and the fifth heat sealing site is marked with a symbol at 16 cm away from the fourth heat sealing site.

[0046] The upper portion of the blood collection bag 91, the transfer bag 92, the preservation solution bag 93 and the platelet preservation bag 95 are all provided with two left and right holes 10.

[0047] A barcode containing blood bag information that can be scanned and identified by a mobile smart terminal is pasted on the back of the blood collection bag 91.

[0048] This device can be used when a model III plastic blood bag is required for blood collection. The blood bag information barcode is scanned and identified by a mobile smart terminal, and the blood bag material information is directly entered into the blood management information system. The blood is inserted into the human blood vessel by the blood collection needle 1, so that the blood enters the blood collection tube 4 and flows into the blood collection bag 91. The anticoagulant in the blood collection bag 91 prevents blood coagulation. After the blood collection is completed, the blood collection tube 4 is heat-sealed according to the heat-sealing site mark. The blood in the heat-sealed section can be used for blood sample storage and later cross-matching. The blood collection tube 4 and the blood collection needle 1 are separated at the first heat-sealing point, and the blood collection bag 91 is centrifuged. After the centrifugation is completed, the stop clamp on the transfer tube 2 connected to the left transfer bag 92 is clamped, the upper blocking device 7 of the blood collection bag 91 is opened, and the blood collection bag 91 is squeezed to transfer the plasma through the left tee 5, the right tee and the right transfer tube. The transfer tube 2 connected to the bag 92 is transferred to the right transfer bag 92, the stop-flow clamp on the transfer tube 2 connected to the right transfer bag 92 is clamped, the stop-flow clamp on the transfer tube connected to the left transfer bag 92 is opened, and the blood collection bag 91 is squeezed to transfer the white film layer to the left transfer bag 92 through the left tee and the transfer tube 2 connected to the left transfer bag 92, the stop-flow clamp on the transfer tube 2 connected to the left transfer bag 92 is clamped, and the blocking device 7 above the preservation liquid bag 93 is opened. The preservation liquid is transferred to the blood collection bag 91 through the transfer tube 2 connected to the preservation liquid bag 93, the right tee 5 and the left tee to achieve separation of plasma, white film layer and suspended red blood cells.

[0049] Example 4

[0050] A plastic blood bag, such as Figure 8 and Figure 9As shown, model IV includes a blood collection needle 1, a transfer tube 2, a clamp 3, a blood collection tube 4, a three-way tube 5, a filling tube 6, a plugging device 7, a blood transfusion port 8, a blood filter 11, a leukocyte filter disc 12, a blood collection bag 91, a transfer bag 92, a preservative solution bag 93, and a blood storage bag 94. The blood collection bag 91 is connected to the blood collection tube 4 on the left upper side, the blood collection tube 4 is provided with the clamp 3, preferably a stop clamp, the end of the blood collection tube 4 is connected to the blood collection needle 1, the blood collection bag 91 is connected to the filling tube 6 on the upper side, the blood collection bag 91 is connected to the transfer tube 2 on the upper side through the plugging device 7, the transfer tube 2 is sequentially connected to the blood filter 11, a left three-way tube, the leukocyte filter disc 12, a middle three-way tube 5, and the blood storage bag 94 from left to right, and there is also a transfer tube 2 connected in parallel between the left three-way tube 5 and the middle three-way tube 5, which is also provided with the clamp 3, preferably a stop clamp, the middle three-way tube 5 and the blood storage bag 94 are also connected through the transfer tube 2, and the transfer tube 2 and the blood collection tube 4 are both marked with heat sealing sites, the middle upper side of the blood storage bag 94 is also connected to the transfer tube 2 through the plugging device 7, the end of the transfer tube 2 on the blood storage bag 94 is connected to two transfer tubes 2 above and below through the right three-way tube 5, and the ends of the two transfer tubes 2 connected through the right three-way tube 5 are respectively connected to the transfer bag 92 and the preservative solution bag 93.

[0051] The heat sealing sites of model IV are located on the blood collection tube 4 and the transfer tube 2, the first heat sealing site is marked with a symbol at a position 3 cm away from the blood collection needle 1, the second heat sealing site is marked with a symbol at a position 20 cm away from the first heat sealing site, the third heat sealing site is marked with a symbol at a position 15 cm away from the middle three-way tube, the fourth heat sealing site is marked with a symbol at a position 15 cm away from the third heat sealing site, the fifth heat sealing site is marked with a symbol at a position 15 cm away from the fourth heat sealing site, and the sixth heat sealing site is marked with a symbol at a position 15 cm away from the fifth heat sealing site.

[0052] There are two eyelets 10 on the upper part of the blood collection bag 91, the transfer bag 92, the preservative solution bag 93, and the blood storage bag 94.

[0053] The back of the bag body of the blood collection bag 91 is pasted with a barcode containing blood bag information that can be scanned and recognized by a mobile intelligent terminal.

[0054] This device can be used when blood collection requires a model IV plastic blood bag. The blood bag information barcode is scanned and identified by a smart terminal, and the blood bag material information is directly entered into the blood management information system. The blood collection needle 1 is inserted into a person's blood vessel, allowing blood to enter the blood collection tube 4 and then flow into the blood collection bag 91. The anticoagulant in the blood collection bag 91 prevents blood clotting. After blood collection is completed, the first and second heat-sealing sites of the blood collection tube 4 are heat-sealed according to the heat-sealing site markings. The blood in the heat-sealed section can be used for blood sample storage. The blood collection tube 4 and the blood collection needle 1 are disconnected at the first heat-sealing point. The blood collection bag 91 is hung upside down, the upper blocking device 7 of the blood collection bag 91 is opened, and the flow-stop clamp on the root transfer tube 2 connected in parallel between the left tee 5 and the middle tee is clamped, allowing the blood to flow naturally through the blood filter 11, the left tee 5, the leukocyte filter disc 12, the middle tee 5, and the transfer tube 2 to be transferred to the blood storage bag 94. After the transfer is completed, the third, fourth, fifth and sixth heat-sealing points of the transfer tube 2 connected to the middle tee 5 and the blood storage bag 94 are heat-sealed according to the heat-sealing point marks. The blood in the heat-sealed section can be used for cross-matching in the later stage. The transfer tube is disconnected at the third heat-sealing point, and the blood storage bag 94 is centrifuged. After the centrifugation is completed, the blocking device 7 in the upper middle part of the blood storage bag 94 is opened, and the blood storage bag 94 is squeezed to transfer the plasma to the transfer bag 92 through the right tee and the transfer tube 2 connected to the transfer bag 92. The stop clamp on the transfer tube 2 connected to the transfer bag 92 is clamped, and the blocking device above the preservation liquid bag 93 is opened. The preservation liquid is transferred to the blood storage bag 94 through the transfer tube 2 connected to the preservation liquid bag 93 to achieve leukocyte filtration and separation of plasma and suspended red blood cells.

[0055] Although the present disclosure has been shown and described with reference to specific exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made to the present disclosure without departing from the spirit and scope of the present disclosure as defined by the embodiments and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined by the equivalents described in the specification.

Claims

1. A plastic blood bag, characterized by: The plastic blood bag comprises a transfer tube (2) and a blood collection tube (4), wherein the transfer tube (2) and / or the blood collection tube (4) are marked with heat-sealing sites, and an identifiable mark is attached to the plastic blood bag; the plastic blood bag also comprises a blood collection needle (1), wherein the first heat-sealing site is located 1-3 cm away from the blood collection needle (1), and the subsequent heat-sealing sites are located 5-30 cm away from the previous heat-sealing site; and the heat-sealing sites also comprise a blood collection bag (91), a blood filter (11), and a leukocyte filter disc (12) connected via the transfer tube (2).

2. The plastic blood bag according to claim 1, characterized in that: The identifiable identifier is a barcode, a QR code or a radio frequency identification electronic tag.

3. The plastic blood bag according to claim 1, characterized in that: The heat-sealing sites of the plastic blood bag are located on the blood collection tube (4), with a first heat-sealing site marked with a symbol at a position 1-3 cm away from the blood collection needle (1), a second heat-sealing site marked with a symbol at a position 5-30 cm away from the first heat-sealing site, a third heat-sealing site marked with a symbol at a position 5-30 cm away from the second heat-sealing site, a fourth heat-sealing site marked with a symbol at a position 5-30 cm away from the third heat-sealing site, and a fifth heat-sealing site marked with a symbol at a position 5-30 cm away from the fourth heat-sealing site.

4. The plastic blood bag according to claim 1, characterized in that: The heat-sealing sites of the plastic blood bag are located on the blood collection tube (4) and the transfer tube (2), with a first heat-sealing site marked with a symbol at a position 1-3 cm away from the blood collection needle (1), a second heat-sealing site marked with a symbol at a position 5-30 cm away from the first heat-sealing site, a third heat-sealing site marked with a symbol at a position 5-30 cm away from the middle tee, a fourth heat-sealing site marked with a symbol at a position 5-30 cm away from the third heat-sealing site, a fifth heat-sealing site marked with a symbol at a position 5-30 cm away from the fourth heat-sealing site, and a sixth heat-sealing site marked with a symbol at a position 5-30 cm away from the fifth heat-sealing site.

5. The plastic blood bag according to claim 1, characterized in that: The plastic blood bag comprises a blood collection needle (1), a transfer tube (2), a clamp (3), a blood collection tube (4), a tee (5), a filling tube (6), a blocking device (7), a blood transfusion socket (8), a blood collection bag (91), a transfer bag (92) and a preservation liquid bag (93). The upper left side of the blood collection bag (91) is connected to the blood collection tube (4), the end of the blood collection tube (4) is connected to the blood collection needle (1), a heat sealing site is marked on the blood collection tube (4), the upper side of the blood collection bag (91) is connected to the filling tube (6), the upper side of the blood collection bag (91) is connected to the transfer tube (2) through the blocking device (7), the end of the transfer tube (2) is connected to the upper and lower transfer tubes (2) through the tee (5), and the ends of the two transfer tubes (2) connected through the tee (5) are respectively connected to the transfer bag (92) and the preservation liquid bag (93).

6. The plastic blood bag according to claim 1, characterized in that: The plastic blood bag comprises a blood collection needle (1), a transfer tube (2), a clamp (3), a blood collection tube (4), a three-way connection (5), a filling tube (6), a blocking device (7), a blood transfusion socket (8), a blood collection bag (91), a transfer bag (92), a preservation liquid bag (93) and a transfer bag (92); the upper left side of the blood collection bag (91) is connected to the blood collection tube (4); the end of the blood collection tube (4) is connected to the blood collection needle (1); a heat sealing site is marked on the blood collection tube (4); the upper side of the blood collection bag (91) is connected to the filling tube (6); The upper side of the blood bag (91) is connected to a transfer tube (2) via a blocking device (7). The end of the transfer tube (2) is connected to two upper and lower transfer tubes (2) via a left tee (5). The ends of the two transfer tubes (2) connected via the left tee (5) are respectively connected to a left transfer bag (92) and a right tee (5). The right tee (5) is connected to two upper and lower transfer tubes (2). The ends of the two transfer tubes (2) connected via the right tee (5) are respectively connected to a preservation liquid bag (93) and a right transfer bag (92).

7. The plastic blood bag according to claim 1, characterized in that: The plastic blood bag comprises a blood collection needle (1), a transfer tube (2), a clamp (3), a blood collection tube (4), a three-way connection (5), a filling tube (6), a blocking device (7), a blood transfusion socket (8), a blood collection bag (91), a transfer bag (92), a platelet preservation bag (95), a transfer bag (92) and a preservation liquid bag (93); the upper left side of the blood collection bag (91) is connected to the blood collection tube (4); the end of the blood collection tube (4) is connected to the blood collection needle (1); a heat sealing site is marked on the blood collection tube (4); the upper side of the blood collection bag (91) is connected to the filling tube (6); the upper side of the blood collection bag (91) is connected to the platelet preservation bag (95); the platelet preservation bag (95 ... ) is connected with a transfer tube (2), the end of the transfer tube (2) is connected with two upper and lower transfer tubes (2) through the left tee (5), the ends of the two transfer tubes (2) connected through the left tee (5) are respectively connected with the left transfer bag (92) and the right tee (5), the upper side of the left transfer bag (92) is connected with the transfer tube (2), the end of the transfer tube (2) is connected with a platelet preservation bag (95), the right tee (5) is connected with two upper and lower transfer tubes (2), the ends of the two transfer tubes (2) connected through the right tee (5) are respectively connected with the right transfer bag (92) and the preservation liquid bag (93).

8. The plastic blood bag according to claim 1, characterized in that: The plastic blood bag comprises a blood collection needle (1), a transfer tube (2), a clamp (3), a blood collection tube (4), a tee (5), a filling tube (6), a blocking device (7), a blood transfusion socket (8), a blood filter (11), a leukocyte filter disc (12), a blood collection bag (91), a transfer bag (92), a preservation fluid bag (93) and a blood storage bag (94). The upper left side of the blood collection bag (91) is connected to the blood collection tube (4), the end of the blood collection tube (4) is connected to the blood collection needle (1), the upper side of the blood collection bag (91) is connected to the filling tube (6), the upper side of the blood collection bag (91) is connected to the transfer tube (2) through the blocking device (7), and the transfer tube (2) is connected in series from left to right in sequence to the blood filter (11), the left The side tee (5), the leukocyte filter disc (12), the middle tee (5) and the blood storage bag (94) are connected in parallel with a transfer tube (2) between the left tee (5) and the middle tee (5). The middle tee (5) and the blood storage bag (94) are also connected via the transfer tube (2). Both the transfer tube (2) and the blood collection tube (4) are marked with heat-sealing sites. The upper middle side of the blood storage bag (94) is also connected to the transfer tube (2) via a blocking device (7). The end of the transfer tube (2) on the blood storage bag (94) is connected to two upper and lower transfer tubes (2) via the right tee (5). The ends of the two transfer tubes (2) connected via the right tee (5) are respectively connected to the transfer bag (92) and the preservation liquid bag (93).

Images