Cryopreservation bag

Abstract

The utility model provides a cryopreservation bag, which relates to the technical field of biomedical technology, and comprises a cryopreservation bag body, a label placing bag, a pipeline, an extension piece and a pipeline fixing structure, one end of the label placing bag is connected with the cryopreservation bag body, and the other end of the label placing bag is connected with the extension piece; the pipeline is detachably connected with the cryopreservation bag body; the extension part is connected with the end, away from the cryopreservation bag body, of the label containing bag and connected with the pipeline fixing structure. The pipeline fixing structure is used for being detachably connected with the pipeline after the label containing bag is folded towards the cryopreservation bag body so as to be used for storing and fixing the pipeline. The technical problems that in the prior art, the recognition function of machine grabbing is interfered by label information, and grabbing is not precise or not in place due to the fact that pipeline assemblies are scattered and wound are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomedical technology especially is involved in a cryopreservation bag. BACKGROUND

[0002] In the field of biological pharmaceuticals, it is often necessary to freeze various liquids such as stock solution and cell solution, so a disposable cryopreservation bag is needed at this stage.

[0003] In the prior art, disposable cryopreservation bags can be used for freezing at very low temperatures, especially suitable for the recovery of umbilical cord blood, immune cells and stem cells. However, in the current use of cryopreservation bags, the bag body is basically manually sorted and placed. When a robot is used to automatically grasp, the robot is easily disturbed and recognized due to the label information and pipeline components on the surface of the cryopreservation bag, resulting in inaccurate final sorting. Moreover, the pipelines of the cryopreservation bag are scattered and entangled, which interferes with the automatic recognition device and causes inaccurate or incomplete grasping. SUMMARY

[0004] The utility model aims at providing a kind of cryopreservation bag to alleviate the technical problems of the recognition function of machine grasping due to label information interference and inaccurate or incomplete grasping due to the scattered entanglement of pipeline components in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] In the first aspect, the utility model provides a cryopreservation bag, which comprises a cryopreservation bag body, a label placement bag, a pipeline, an extension piece and a pipeline fixing structure. One end of the label placement bag is connected to the cryopreservation bag body, and the other end is connected to the extension piece.

[0007] The pipeline is detachably connected to the cryopreservation bag body.

[0008] The extension piece is connected to the end of the label placement bag away from the cryopreservation bag body, and the extension piece is connected to the pipeline fixing structure.

[0009] The pipeline fixing structure is used to detachably connect the pipeline after the label placement bag is folded towards the cryopreservation bag body, so as to store and fix the pipeline.

[0010] Further, the pipeline fixing structure comprises a fixing piece body and a notch piece. Both ends of the fixing piece body are connected to the extension piece, and at least two fixing parts are spaced apart along the extension direction of the fixing piece body. The fixing parts are detachably connected to the pipeline.

[0011] The slotted part is connected to the extension part, and the slotted part has a cutting groove along its extension direction. The cutting groove is connected to the pipeline located between the two fixed parts.

[0012] Furthermore, the fixing part includes a cross-shaped insertion hole formed in the fixing body;

[0013] The end of the tubing away from the cryopreservation bag body passes sequentially through the corresponding cross-shaped insertion holes for fixing relative to the fastener body via the cross-shaped insertion holes.

[0014] Furthermore, the fixing part includes a tube clamp connected to the fixing body;

[0015] The end of the pipeline away from the cryopreservation bag body is sequentially connected to a corresponding tube clamp for fixing relative to the fastener body via the tube clamp.

[0016] Furthermore, the pipeline fixing structure includes a male thread assembly, an elastic limiting assembly, and a female thread assembly. The male thread assembly is connected to the extension member, and the male thread assembly is connected to the female thread assembly through the elastic limiting assembly.

[0017] The female buckle and the male buckle assembly are detachably connected so that the elastic limiting assembly forms a closed loop;

[0018] The closed-loop elastic limiting component is used to clamp the outside of the pipe in the wound state.

[0019] Furthermore, the male buckle assembly includes a male buckle body and a limiting baffle, wherein the male buckle body is connected to the extension member;

[0020] The limiting baffle is connected to the male buckle body, and a fixing groove for connecting the female buckle is formed between the limiting baffle and the male buckle body.

[0021] Furthermore, the elastic limiting component includes an elastic strip and a limiting protrusion, one end of the elastic strip is connected to the male buckle component, and the other end is connected to the female buckle;

[0022] The limiting protrusion is connected to the elastic strip, and the limiting protrusion is used to limit the pipeline when the elastic strip is clamped on the outside of the pipeline.

[0023] Furthermore, the limiting protrusions are provided in multiple quantities, and the multiple limiting protrusions are distributed at intervals along the extension direction of the elastic strip.

[0024] Furthermore, the end of the extension member away from the label placement bag is provided with a slider, which is used for detachable connection with an external weight monitoring connection structure.

[0025] Furthermore, the label placement bag has a label dispensing opening;

[0026] The frozen storage bag body has a connector at the end away from the label placement bag.

[0027] This utility model can achieve the following beneficial effects:

[0028] In a first aspect, this utility model provides a cryopreservation bag, including a cryopreservation bag body, a label placement bag, a tube, an extension member, and a tube fixing structure. One end of the label placement bag is connected to the cryopreservation bag body, and the other end is connected to the extension member. The tube is detachably connected to the cryopreservation bag body. The extension member is connected to the end of the label placement bag away from the cryopreservation bag body, and the extension member is also connected to the tube fixing structure. The tube fixing structure is used to detachably connect to the tube after the label placement bag is folded toward the cryopreservation bag body, for storing and fixing the tube.

[0029] In this invention, the cryopreservation bag body is used to store relevant liquids, and the cryopreservation bag body is connected to an external device through a pipeline to release or inject liquids. One end of the cryopreservation bag body is provided with a label placement bag, which is used to place a label for labeling the liquid. The end of the label placement bag away from the cryopreservation bag body is provided with an extension, which preferably has a pipeline fixing structure. In use, by folding the label placement bag towards the cryopreservation bag body, the extension is brought closer to the pipeline, and the pipeline fixing structure on the extension is used for detachable connection with the pipeline. This satisfies the need to fix the pipeline in the folded state to prevent it from coming loose, and also ensures greater stability of the folded state of the cryopreservation bag body and the label placement bag by fixing the pipeline.

[0030] Compared with the prior art, the cryopreservation bag provided by this utility model has a cryopreservation bag body at one end of the label placement bag and an extension at the other end. This allows the extension to be close to the pipeline after the cryopreservation bag is folded, so that the pipeline can be detachably connected to the pipeline fixing structure on the extension. This achieves the fixing of the pipeline through the pipeline fixing structure, avoiding the situation of inaccurate grasping caused by its scattered entanglement.

[0031] In summary, this utility model at least alleviates the technical problems existing in the prior art, such as the interference of label information with the machine's grasping and identification function, and the inaccurate or incomplete grasping caused by the scattered entanglement of pipeline components. Attached Figure Description

[0032] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the structure of the cryopreservation bag provided in Embodiment 1 of this utility model in a folded state;

[0034] Figure 2 This is a schematic diagram of the structure of the cryopreservation bag provided in Embodiment 1 of this utility model in its extended state;

[0035] Figure 3 A connection diagram of the cryopreservation bag provided in Embodiment 1 of this utility model with the tube fixed in place;

[0036] Figure 4 This is a schematic diagram of the structure of the cryopreservation bag provided in Embodiment 2 of this utility model in a folded state;

[0037] Figure 5 This is a schematic diagram of the structure of the cryopreservation bag provided in Embodiment 2 of this utility model in its extended state;

[0038] Figure 6 This is a schematic diagram of the structure of the fixing part of the cryopreservation bag provided in Embodiment 2 of this utility model;

[0039] Figure 7 A connection diagram of the cryopreservation bag provided in Embodiment 2 of this utility model with the tube fixed in place;

[0040] Figure 8 A partial view of the cryopreservation bag provided in Embodiment 3 of this utility model after it is connected to an external weight monitoring device;

[0041] Figure 9 This is a partial structural diagram of the cryopreservation bag provided in Embodiment 3 of this utility model;

[0042] Figure 10 This is a side view of the weight monitoring connection structure external to the cryopreservation bag provided in Embodiment 3 of this utility model.

[0043] Icons: 1-Frozen bag body; 11-Connector; 2-Label placement bag; 21-Label inlet / outlet; 3-Pipeline; 4-Extension; 41-Slider; 5-Pipeline fixing structure; 51-Fixing component body; 511-Cross socket; 52-Slotted component; 53-Male buckle assembly; 531-Male buckle body; 532-Limit baffle; 54-Elastic limit assembly; 541-Elastic strip; 542-Limit protrusion; 55-Female buckle; 6-Weight monitoring connection structure; 61-Monitoring component; 62-Hook; 63-Connector; 631-Slide groove. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0045] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0046] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0047] In the description of this utility model, it should be noted that the terms "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0048] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0049] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0050] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0051] Example 1

[0052] This embodiment provides a cryopreservation bag, as shown in the following example. Figure 1 The cryopreservation bag includes a cryopreservation bag body 1, a label placement bag 2, a tube 3, an extension 4, and a tube fixing structure 5. One end of the label placement bag 2 is connected to the cryopreservation bag body 1, and the other end is connected to the extension 4. The tube 3 is detachably connected to the cryopreservation bag body 1. The extension 4 is connected to the end of the label placement bag 2 away from the cryopreservation bag body 1, and the extension 4 is also connected to the tube fixing structure 5. The tube fixing structure 5 is used to detachably connect to the tube 3 after the label placement bag 2 is folded toward the cryopreservation bag body 1, so as to store and fix the tube 3.

[0053] In summary, the present invention at least alleviates the technical problems existing in the prior art, such as the interference of label information with the machine's grasping and identification functions, and the inaccurate or incomplete grasping caused by the scattered entanglement of pipeline components.

[0054] In this embodiment of the invention, the cryopreservation bag body 1 is used to store relevant liquids, and the cryopreservation bag body 1 is connected to an external device through a pipe 3 to release or inject liquids. One end of the cryopreservation bag body 1 is provided with a label placement bag 2, which is used to place labels for labeling the liquids. The end of the label placement bag 2 away from the cryopreservation bag body 1 is provided with an extension member 4, which preferably has a pipe 3 fixing structure. In use, by folding the label placement bag 2 towards the cryopreservation bag body 1, the extension member 4 is brought closer to the pipe 3. The pipe fixing structure 5 on the extension member 4 is used for detachable connection with the pipe 3, satisfying the requirement of fixing the pipe 3 in the folded state to prevent it from coming loose, and also ensuring greater stability of the folded state of the cryopreservation bag body 1 and the label placement bag 2 by fixing the pipe 3.

[0055] Compared with the prior art, the cryopreservation bag provided in this embodiment of the utility model has a cryopreservation bag body 1 at one end of the label placement bag 2 and an extension 4 at the other end. After the cryopreservation bag is folded, the extension 4 is close to the tube 3, so that the tube 3 can be detachably connected to the tube fixing structure 5 on the extension 4. This achieves the fixation of the tube 3 by the tube fixing structure 5, avoiding the situation of inaccurate grasping caused by its scattered entanglement.

[0056] Preferably, the cryopreservation bag body 1, the label placement bag 2, and the extension 4 are integrally formed and connected.

[0057] In an optional implementation of this embodiment, refer to Figure 2 The pipeline fixing structure 5 includes a fixing body 51 and a groove part 52. The two ends of the fixing body 51 are respectively connected to the extension part 4, and the fixing body 51 is provided with at least two fixing parts at intervals along its extension direction, and the fixing parts are detachably connected to the pipeline 3.

[0058] The slotted part 52 is connected to the extension part 4, and the slotted part 52 has a cutting groove along its extension direction. The cutting groove is connected to the pipe 3 located between the two fixed parts.

[0059] Specifically: the two ends of the fixing body 51 are preferably connected to the extension 4 by spot welding, and the fixing body 51 is preferably rectangular in structure. The fixing body 51 has multiple fixing parts spaced apart along its extension direction, and preferably two fixing parts located at both ends of the fixing body 51. The slotted part 52 is connected to the extension 4, and preferably sandwiched between the extension 4 and the fixing body 51. The slotted part 51 has a cutting groove along its extension direction, with the opening of the cutting groove facing the fixing body 51. In use, the label placement bag 2 is folded towards the frozen bag body 1, and then the free end of the tube 3 is inserted through the connection part at one end, passes through the cutting groove, and then exits through the connection part at the other end, thereby limiting the tube 3 relative to the extension 4 through the connection part and the cutting groove.

[0060] Furthermore, referring to Figure 2 and Figure 3 The fixing part includes a cross-shaped insertion hole 511 opened in the fixing body 51; the end of the tube 3 away from the cryopreservation bag body 1 passes through the corresponding cross-shaped insertion hole 511 in sequence to be fixed relative to the fixing body 51 through the cross-shaped insertion hole 511.

[0061] Specifically: Both ends of the fastener body 51 are provided with cross-shaped insertion holes 511. In use, the free end of the pipe 3 can pass downward from the cross-shaped insertion hole 511 at one end from above, and pass upward from the cross-shaped insertion hole 511 at the other end from below. This cross-shaped insertion hole 511 satisfies the requirement that the pipe 3 can pass through and can also be positioned to prevent the pipe 3 from sliding in the insertion hole.

[0062] In an optional embodiment of this invention, the fixing part includes a tube clamp connected to the fixing body 51; the end of the pipeline 3 away from the cryopreservation bag body 1 is sequentially connected to the corresponding tube clamp for fixing relative to the fixing body 51 by means of the tube clamp.

[0063] Specifically: the fixing part includes a pipe clamp connected to the fixing body 51, and there can be two pipe clamps. The two pipe clamps are preferably located at both ends of the fixing body 51 to fix the pipe 3 by clamping it. The pipe clamps are preferably rotatably connected to the fixing body 51.

[0064] In an optional implementation of this embodiment, refer to Figure 2 The label placement bag 2 has a label opening 21; the frozen bag body 1 has a connector 11 at the end away from the label placement bag 2.

[0065] Specifically: the label placement bag 2 preferably has a label loading / unloading port 21 on the side, so that the label can be placed into the label placement bag 2 from the label loading / unloading port 21 on the side. The cryopreservation bag body 1 has a connector 11 at the end away from the label placement bag 2, and there can be at least two connectors 11, which can be set on one side of the pipeline 3.

[0066] Example 2

[0067] In an optional implementation of this embodiment, refer to Figure 4 , Figure 5 and Figure 6 The pipeline fixing structure 5 includes a male thread assembly 53, an elastic limiting assembly 54, and a female thread 55. The male thread assembly 53 is connected to the extension member 4, and the male thread assembly 53 is connected to the female thread 55 through the elastic limiting assembly 54. The female thread 55 is detachably connected to the male thread assembly 53 so that the elastic limiting assembly 54 forms a closed loop. The elastic limiting assembly 54 after the loop is closed is used to clamp the outside of the pipeline 3 in the winding state.

[0068] Specifically: the male fastener assembly 53 is connected to the extension member 4, and it is connected to the female fastener 55 through the elastic limiting assembly 54; wherein, the elastic limiting assembly 54 is used to wrap the pipe 3 around its outside and limit the wrapped pipe 3, and after the pipe 3 is wrapped, the female fastener 55 and the male fastener assembly 53 are detachably connected to form a closed loop structure for fixing the pipe 3.

[0069] Furthermore, referring to Figure 4 and Figure 6The male buckle assembly 53 includes a male buckle body 531 and a limiting baffle 532. The male buckle body 531 is connected to the extension member 4. The limiting baffle 532 is connected to the male buckle body 531, and a fixing groove for connecting to the female buckle 55 is formed between the limiting baffle 532 and the male buckle body 531.

[0070] Specifically: the male buckle body 531 is connected to the extension member 4, and a limiting baffle 532 is provided on the side of the male buckle body 531 facing away from the extension member 4. A fixing groove is provided between the limiting baffle 532 and the male buckle body 531. In use, after inserting the female buckle 55 into this fixing groove, the limiting baffle 532 limits the female buckle 55.

[0071] In an optional implementation of this embodiment, refer to Figure 6 and Figure 7 The elastic limiting component 54 includes an elastic strip 541 and a limiting protrusion 542. One end of the elastic strip 541 is connected to the male fastener component 53, and the other end is connected to the female fastener 55. The limiting protrusion 542 is connected to the elastic strip 541 and is used to limit the pipe 3 when the elastic strip 541 is clamped on the outside of the pipe 3.

[0072] Specifically, one end of the elastic strip 541 is connected to the male fastener assembly 53, and the other end is connected to the female fastener 55. Due to its elastic properties, the elastic strip 541 has a bending function. A limiting protrusion 542 is provided on the elastic strip 541. The limiting protrusion 542 is preferably integrally formed and connected to the elastic strip 541. When the pipe 3 is wrapped around the elastic strip 541, the limiting protrusion 542 is used to limit the pipe 3 at a certain section of the elastic strip 541, so as to facilitate bending the other end of the elastic strip 541 and connecting the female fastener 55 to the male fastener assembly 53.

[0073] Furthermore, referring to Figure 6 and Figure 7 Multiple limiting protrusions 542 are provided, and the multiple limiting protrusions 542 are distributed at intervals along the extension direction of the elastic strip 541.

[0074] Specifically, there are multiple limiting protrusions 542, such as two, three or four, and preferably four. The four limiting protrusions 542 are distributed at intervals along the extension direction of the elastic strip 541 to limit the pipe 3 from multiple positions, so that the pipe 3 can be more stable after winding.

[0075] Example 3

[0076] In an optional implementation of this embodiment, refer to Figure 8 , Figure 9 and Figure 10 The extension 4 has a slider 41 at the end away from the label placement bag 2. The slider 41 is used to detachably connect to the external weight monitoring connection structure 6.

[0077] Specifically: A slider 41 is provided along the edge of the extension 4 at the end opposite to the label placement bag 2, so that the extension 4 appears T-shaped when viewed from the side. The weight monitoring connection structure 6 includes a monitoring element 61, a hook 62, and a connector 63. The top of the monitoring element 61 is rotatably mounted with the hook 62, which is used to connect to an external device. The connector 63 is connected to the monitoring element 61 and has a T-shaped groove 631 that matches the slider 41, so that the frozen bag can be slidably mounted on the weight monitoring connection structure 6 via the slider 41, making it easy for the monitoring element 61 to monitor the weight change of the frozen bag.

[0078] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to mutually. The above embodiments in this specification are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of this utility model.

Claims

1. A cryopreservation bag, characterized in that, It includes a cryopreservation bag body (1), a label placement bag (2), a pipeline (3), an extension (4), and a pipeline fixing structure (5). One end of the label placement bag (2) is connected to the cryopreservation bag body (1), and the other end is connected to the extension (4). The pipeline (3) is detachably connected to the cryopreservation bag body (1); The extension (4) is connected to the end of the label placement bag (2) away from the cryopreservation bag body (1), and the extension (4) is connected to the pipeline fixing structure (5); The pipeline fixing structure (5) is used to detachably connect the label placement bag (2) to the pipeline (3) after it is folded toward the cryopreservation bag body (1) for storing and fixing the pipeline (3).

2. The cryopreservation bag according to claim 1, characterized in that, The pipeline fixing structure (5) includes a fixing body (51) and a slotted part (52). The two ends of the fixing body (51) are respectively connected to the extension part (4), and the fixing body (51) is provided with at least two fixing parts at intervals along its extension direction, and the fixing parts are detachably connected to the pipeline (3). The slotted part (52) is connected to the extension part (4), and the slotted part (52) has a cutting groove along its extension direction. The cutting groove is connected to the pipeline (3) located between the two fixed parts.

3. The cryopreservation bag according to claim 2, characterized in that, The fixing part includes a cross-shaped insertion hole (511) formed in the fixing body (51); The end of the pipe (3) away from the cryopreservation bag body (1) passes through the corresponding cross-shaped insertion hole (511) in sequence for fixing relative to the fastener body (51) through the cross-shaped insertion hole (511).

4. The cryopreservation bag according to claim 2, characterized in that, The fixing part includes a tube clamp connected to the fixing body (51); The end of the pipe (3) away from the cryopreservation bag body (1) is sequentially connected to the corresponding pipe clamps for fixing relative to the fastener body (51) by means of the pipe clamps.

5. The cryopreservation bag according to claim 1, characterized in that, The pipeline fixing structure (5) includes a male fastener assembly (53), an elastic limiting assembly (54), and a female fastener (55). The male fastener assembly (53) is connected to the extension member (4), and the male fastener assembly (53) is connected to the female fastener (55) through the elastic limiting assembly (54). The female buckle (55) is detachably connected to the male buckle assembly (53) so that the elastic limiting assembly (54) forms a closed loop; The elastic limiting component (54) after the loop is closed is used to clamp the outside of the pipe (3) in the winding state.

6. The cryopreservation bag according to claim 5, characterized in that, The male buckle assembly (53) includes a male buckle body (531) and a limiting baffle (532), wherein the male buckle body (531) is connected to the extension member (4); The limiting baffle (532) is connected to the male buckle body (531), and a fixing groove for connecting the female buckle (55) is formed between the limiting baffle (532) and the male buckle body (531).

7. The cryopreservation bag according to claim 5 or 6, characterized in that, The elastic limiting component (54) includes an elastic strip (541) and a limiting protrusion (542). One end of the elastic strip (541) is connected to the male buckle component (53), and the other end is connected to the female buckle (55). The limiting protrusion (542) is connected to the elastic strip (541), and the limiting protrusion (542) is used to limit the pipeline (3) when the elastic strip (541) is wrapped around the outside of the pipeline (3).

8. The cryopreservation bag according to claim 7, characterized in that, The limiting protrusions (542) are provided in multiple ways, and the multiple limiting protrusions (542) are distributed at intervals along the extension direction of the elastic strip (541).

9. The cryopreservation bag according to claim 1, characterized in that, The extension (4) has a slider (41) at one end away from the label placement bag (2), and the slider (41) is used to detachably connect to an external weight monitoring connection structure (6).

10. The cryopreservation bag according to claim 1, characterized in that, The label placement bag (2) has a label dispensing opening (21); The cryopreservation bag body (1) has a connector (11) at one end away from the label placement bag (2).

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