Medical packaging bag

Abstract

The utility model relates to a medical packaging bag which is provided with a paper-plastic bag body. The paper-plastic bag body comprises a dialyzing paper layer and a transparent composite film layer; the dialyzing paper layer and the transparent composite film layer form a first bag body of which three sides are sealed and one side is provided with a first opening through heat sealing; a first accommodating cavity is formed in the first bag body; a second bag body is thermally sealed on the first bag body; the second bag body and the transparent composite film layer form a second accommodating cavity which is directly closed or indirectly closed; a drying agent bag is arranged in the second accommodating cavity; the transparent composite film layer is provided with a through hole position delimited by a breakpoint cutting line; the second bag body is internally provided with a tearing line which is bonded with the transparent composite film layer at the through hole position in a hot melting manner; the tearing line is used for tearing off the part, located at the through hole position, of the transparent composite film layer and forming a through hole communicated with the first containing cavity and the second containing cavity. When the medical instrument and medicine packaging box is used, bagged medical instruments and medicines can be packaged in a sealed mode, and meanwhile the dry environment can be guaranteed.

Description

Technical Field

[0001] This utility model relates to medical packaging bags, and more particularly to a medical packaging bag. Background Technology

[0002] The primary purpose of using desiccants in medical packaging is to protect the medicines, medical devices, and other items inside from humid environments, ensuring their dryness and stability, thereby maintaining their effectiveness and extending their shelf life. Several points need to be considered when selecting and using desiccants. For example, desiccants used in medical packaging must meet certain safety and environmental requirements, typically being non-toxic, harmless, and possessing superior moisture-absorbing properties. Furthermore, the packaging of the desiccant must be designed for safety, preventing children from accessing or ingesting it. When using desiccants, it is also necessary to pay attention to their expiration date and replacement cycle to ensure that the desiccant functions effectively within its shelf life.

[0003] Currently, in the use of medical packaging bags, desiccant packets are often placed directly inside the cavity of the container holding medicines or medical devices. However, in certain situations, the desiccant packets may break due to impact with the items. Utility Model Content

[0004] The purpose of this invention is to provide a medical packaging bag that can effectively prevent desiccant from breaking, and can seal the packaged medical devices and medicines while ensuring a dry environment during use.

[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model provides a medical packaging bag, which has a paper-plastic bag body; the paper-plastic bag body includes a dialysis paper layer and a transparent composite film layer; the dialysis paper layer and the transparent composite film layer are heat-sealed to form a first bag body with three sealed edges and a first opening on one side; a first cavity is formed inside the first bag body; the dialysis paper layer is provided with a first sealing part at the first bag opening that extends beyond the transparent composite film layer and can seal the first bag opening by folding; a first adhesive area is provided on the first sealing part, and a first release paper is provided on the first adhesive area; a second bag body is heat-sealed onto the first bag body; the second bag body and the transparent composite film layer form a second cavity that can be directly or indirectly sealed; a desiccant packet is contained in the second cavity; at least one through hole is provided on the part of the transparent composite film layer located in the second cavity, defined by a breakpoint scoring line; a tear line is provided inside the second bag body that is heat-melted bonded to the transparent composite film layer at the through hole; the tear line is used to tear off the part of the transparent composite film layer located at the through hole and form a through hole that communicates with the first cavity and the second cavity.

[0006] Furthermore, the left and right sides of the front of the transparent composite membrane layer are folded to form a left side and a right side, respectively; the left side is heat-sealed to the left edge of the dialysis paper layer, and the right side is heat-sealed to the right edge of the dialysis paper layer; the bottom edge of the front of the transparent composite membrane is heat-sealed to the bottom edge of the dialysis paper layer; the left side has a first left crease line for folding and storing the left side, and the right side has a first right crease line for folding and storing the right side; the front of the transparent composite membrane layer is folded and stored towards the dialysis paper layer by folding and storing the left and right sides; a second bag is provided on the left side and / or the right side; a through hole is provided on the left side and / or the right side where the second bag is provided.

[0007] Furthermore, a second bag is provided on both the left and right sides mentioned above;

[0008] The tear line that is partially heat-fused to the transparent composite film layer at the through hole position on the left side extends downward along the left side and along the bottom of the first bag to the right side, and finally extends upward along the right side and protrudes from the first opening;

[0009] The tear line that is partially heat-fused to the transparent composite film layer at the through hole position on the right side extends downward along the right side and along the bottom of the first bag to the left side, and finally extends upward along the left side and protrudes from the first opening;

[0010] The part of the tear line that extends out of the first bag opening is the tearing operation end.

[0011] Furthermore, the aforementioned tear-off end is adhered to the first adhesive area of ​​the first sealing part and covered by the first release paper.

[0012] Furthermore, a second bag is provided on both the left and right sides mentioned above;

[0013] The left side of the transparent composite membrane layer is folded in sequence to form the left side face, the back of the second bag on the left, and the front of the second bag on the left; the left side face and the back of the second bag on the left are heat-sealed to the left edge of the dialysis paper layer; the back of the second bag on the left and the upper and lower sides of the front of the second bag on the left are heat-sealed; the right edge of the front of the second bag on the left is heat-sealed to the front of the transparent composite membrane layer; a second cavity is formed between the back of the second bag on the left and the front of the second bag on the left, and on the left side.

[0014] The right side of the transparent composite membrane layer is folded in sequence to form the right side face, the back of the second bag body on the right side, and the front of the second bag body on the right side; the junction of the right side face and the back of the second bag body on the right side is heat-sealed to the right edge of the dialysis paper layer; the back of the second bag body on the right side and the upper and lower sides of the front of the second bag body on the right side are heat-sealed to form a sealed connection; the left edge of the front of the second bag body on the right side is heat-sealed to the front of the transparent composite membrane layer; a second cavity is formed between the back of the second bag body on the right side and the front of the second bag body on the right side, as well as the right side face.

[0015] Furthermore, a deformable metal wire is heat-sealed at the upper and / or lower heat-sealing points on the back of the second bag on the left and the front of the bag on the left.

[0016] A deformable metal wire is heat-sealed at the upper and / or lower heat-sealed areas on the back of the second bag on the right side and at the front of the bag on the right side.

[0017] The optimal design is that a deformable metal wire is heat-sealed at both the upper and lower heat-sealing points of the second bag body.

[0018] As a variation design, a second bag is provided on both the left and right sides mentioned above;

[0019] The left side of the transparent composite film layer is folded to form the left side face, the back of the second bag body on the left, and the front of the second bag body on the left; the left side face and the back of the second bag body on the left are heat-sealed to the left edge of the dialysis paper layer; the back of the second bag body on the left and the upper side of the front of the second bag body on the left are heat-sealed to form a seal; the lower side of the back of the second bag body on the left extends beyond the lower side of the front of the second bag body on the left, and the extended part is the second sealing part; the second sealing part is provided with a second adhesive area, and the second adhesive area is provided with a second release paper; the lower side of the back of the second bag body on the left and the lower side of the front of the second bag body on the left form the second opening of the second bag body on the left; the tear line on the left is heat-fused to the part of the transparent composite film layer located at the through hole position on the left side and extends out from the second opening; the right edge of the front of the second bag body on the left is heat-sealed to the front of the transparent composite film layer; the back of the second bag body on the left and the front of the second bag body on the left, as well as the left side face, form the second cavity of the second bag body on the left;

[0020] The right side of the transparent composite film layer is folded to form a right side face, the back of the second bag body on the right side, and the front of the second bag body on the right side. The junction between the right side face and the back of the second bag body on the right side is heat-sealed to the right edge of the dialysis paper layer. The back of the second bag body on the right side and the upper side of the front of the second bag body on the right side are heat-sealed to form a seal. The lower side of the back of the second bag body on the right side extends beyond the lower side of the front of the second bag body on the right side, and the extended part is the second sealing part. The second sealing part is provided with a second adhesive area, and a second release paper is provided on the second adhesive area. The lower side of the back of the second bag body on the right side and the lower side of the front of the second bag body on the right side form the second opening of the second bag body on the right side. The tear line on the right side is heat-fused to the part of the transparent composite film layer located at the through hole position on the right side face and extends out from the second opening. The right edge of the front of the second bag body on the right side is heat-sealed to the front face of the transparent composite film layer. The back of the second bag body on the right side and the front of the second bag body on the right side, as well as the right side face, form the second cavity of the second bag body on the right side.

[0021] The portion of the tear line extending from the corresponding second opening is the tearing operation end.

[0022] Furthermore, the aforementioned tear-off end is adhered to the second adhesive area of ​​the second sealing part and covered by the second release paper.

[0023] Furthermore, a deformable metal wire is heat-sealed at the rear of the second bag on the left side and at the upper front of the second bag on the left side.

[0024] A deformable metal wire is heat-sealed at the back of the second bag on the right side and at the upper front of the second bag on the right side.

[0025] Furthermore, the transparent composite film layer is provided with multiple through holes at intervals in the portion located within the second cavity; the through holes are arranged along the tearing direction of the tear line; the tear line is only thermally fused to the portion of the transparent composite film layer located at the through holes; the interval between the through holes is not connected to the tear line.

[0026] This utility model has the following positive effects: (1) The desiccant pack can be pre-made on the first bag body through the second bag body, and the drying requirements can be met by tearing the first cavity and the second cavity through the tear line. At the same time, since the desiccant pack is not located in the first bag body, it will not break due to collision with the item.

[0027] (2) The second bag body of this utility model is formed by heat sealing process, directly by folding the transparent composite film layer, and the processing steps are simple.

[0028] (3) In this utility model, when the tear line extends from the first opening of the first bag body, it extends along the bottom of the first bag body first and then extends from the other side. This is to make it easier to tear the tear line later (because tearing in the opposite direction is easier).

[0029] (4) In this utility model, a second opening is formed on the lower side of the second bag body and sealed by the second sealing part. This design allows the user to fill the desiccant pack himself when ensuring safety. That is, the indirect sealing structure makes the application scenarios of this utility model more diverse. At the same time, in this design, the tear line also extends from the second opening. Therefore, when this design is adopted, the bag can be filled first and then sterilized before the desiccant pack is installed.

[0030] (5) In this utility model, the tear line is pre-fixed in the first or second pasting area, which makes the product more intact and can also avoid misoperation.

[0031] (6) The present invention can bend the second bag body by means of metal wire, and after bending, it can stand up together with the first bag body to form a support structure, which is more convenient and stable when storing. Attached Figure Description

[0032] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...

[0033] Figure 1 This is a schematic diagram of the structure of this utility model;

[0034] Figure 2 This is a front view of Embodiment 1 of this utility model;

[0035] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0036] Figure 4 This is a front view of Embodiment 2 of this utility model;

[0037] Figure 5 for Figure 4 Enlarged diagram of point B in the middle.

[0038] In the figure, dialysis paper layer 1, first sealing part 11, first release paper 12, transparent composite film layer 2, through hole position 21, left side 22, right side 23, second sealing part 24, second release paper 25, second bag body 3, desiccant pack 4, tear line 5, tear operation end 51, and metal wire 6. Detailed Implementation

[0039] (Example 1)

[0040] See Figures 1 to 3 This utility model has a paper-plastic bag body; the paper-plastic bag body includes a dialysis paper layer 1 and a transparent composite film layer 2; the dialysis paper layer 1 and the transparent composite film layer 2 are heat-sealed to form a first bag body with three sides sealed and one side forming a first opening; a first cavity is formed inside the first bag body; the dialysis paper layer 1 is provided with a first sealing part 11 at the first bag opening, which extends beyond the transparent composite film layer 2 and can seal the first bag opening by folding; a first adhesive area is provided on the first sealing part 11, and a first release paper 12 is provided on the first adhesive area; a second bag body 3 is heat-sealed onto the first bag body; the second bag body 3 and the transparent composite film layer 2 are heat-sealed together. The transparent composite film layer 2 forms a directly sealed second cavity; the second cavity contains a desiccant packet 4; the portion of the transparent composite film layer 2 located within the second cavity has multiple through-hole positions 21 defined by breakpoint scoring lines; since the breakpoint scoring lines are not continuous (refer to the breakpoint scoring lines of tissue paper), the first cavity and the second cavity are not connected when not torn; the second bag body 3 has a tear line 5 that is heat-fused and bonded to the transparent composite film layer 2 at the through-hole positions 21; the tear line 5 is used to tear off the portion of the transparent composite film layer 2 located at the through-hole positions 21 and form a through-hole connecting the first cavity and the second cavity.

[0041] Specifically, the left and right sides of the front of the transparent composite membrane layer 2 are folded to form a left side 22 and a right side 23, respectively; the left side 22 is heat-sealed to the left edge of the dialysis paper layer 1, and the right side 23 is heat-sealed to the right edge of the dialysis paper layer 1; the bottom edge of the front of the transparent composite membrane layer 2 is heat-sealed to the bottom edge of the dialysis paper layer 1; the left side 22 is provided with a first left crease line for folding and storing the left side 22, and the right side 23 is provided with a first right crease line for folding and storing the right side 23; the front of the transparent composite membrane layer 2 is folded and stored towards the dialysis paper layer 1 through the folding and storage of the left side 22 and the right side 23; a second bag body 3 is provided on both the left side 22 and the right side 23; multiple through holes 21 are symmetrically provided on the left side and the right side where the second bag body 3 is provided. The through-hole positions 21 are arranged at intervals along the extension direction of the left side 22 or the right side 23 to the bottom of the first bag body; the tear line 4 is only heat-fused to the part of the transparent composite film layer 2 located at the through-hole position 21; the interval between the through-hole positions 21 is not heat-fused to the tear line 5.

[0042] The tear line 5, which is partially heat-fused to the transparent composite film layer 2 at the through hole position 21 on the left side, extends downward along the left side 22 and along the bottom of the first bag body to the right side 23, and finally extends upward along the right side 23 and protrudes from the first opening;

[0043] The tear line 5, which is partially heat-fused to the transparent composite film layer 2 at the through hole position on the right side 23, extends downward along the right side 23 and along the bottom of the first bag to the left side 22, and finally extends upward along the left side 22 and out of the first opening;

[0044] The part of the tear line 5 that extends out of the first bag opening is the tearing operation end 51.

[0045] The reason for extending along the bottom of the first bag body first and then extending from the other side is to make it easier to tear off the tear line 5 later (because tearing in the opposite direction is easier).

[0046] The tear-off end 51 is adhered to the first adhesive area of ​​the first sealing part 11 and covered by the first release paper 12. The tear line 5 is pre-fixed in the first adhesive area, which facilitates better product integrity and also avoids accidental operation. Of course, in order to facilitate the removal of the tear-off end 51 from the first adhesive area, a portion of the tear-off end 51 may not be adhered to the first adhesive area, or a plastic head that is easy to detach may be provided.

[0047] Specifically, the left side of the transparent composite membrane layer 2 is folded to form a left side surface 22, the rear of the left second bag 3, and the front of the left second bag 3; the left side surface 22 and the rear of the left second bag 3 are heat-sealed to the left edge of the dialysis paper layer 1; the rear of the left second bag 3 and the upper and lower sides of the front of the left second bag 3 are heat-sealed to form a sealed connection; the right edge of the front of the left second bag 3 is heat-sealed to the front of the transparent composite membrane layer 2; a second cavity is formed between the rear of the left second bag 3 and the front of the left second bag 3, and the left side surface 22.

[0048] The right side of the transparent composite membrane layer 2 is folded to form a right side surface 23, the rear of the right second bag 3, and the front of the right second bag 3. The junction of the right side surface 23 and the rear of the right second bag 3 is heat-sealed to the right edge of the dialysis paper layer 1. The upper and lower sides of the rear and front of the right second bag 3 are heat-sealed. The left edge of the front of the right second bag 3 is heat-sealed to the front of the transparent composite membrane layer 2. A second cavity is formed between the rear and front of the right second bag 3 and the right side surface 23. This process, using heat sealing, is directly formed by folding the transparent composite membrane layer 2, simplifying the manufacturing process.

[0049] A metal wire 6 that can be deformed under external force is heat-sealed at the upper and lower heat-sealed areas of the rear of the second bag body 3 on the left and the front of the second bag body 3 on the left.

[0050] A deformable metal wire 6 is heat-sealed at the rear of the second bag 3 on the right side, and at the upper and lower heat-sealed areas on the front of the second bag 3 on the right side. The metal wire 6 allows the second bag 3 to be bent, and after bending, it forms a support structure with the first bag, making it easier and more stable to store.

[0051] The usage instructions for this embodiment are as follows:

[0052] First, the medicines or medical devices to be stored are placed into the first bag, and then the first release paper 12 is removed; next, the tearing end 51 of the tear line 5 pasted in the first adhesive area is removed, and then the tear line 5 is pulled; as the tear line 5 is pulled, the part of the transparent composite film 2 located at the through hole position 21 is torn off along the break point score line, thereby connecting the first cavity and the second cavity; then the first sealing part 11 seals the first opening through the first adhesive area, completing the packaging.

[0053] (Example 2)

[0054] See Figure 4 and Figure 5 In this utility model, a second bag body is provided on both the left and right sides;

[0055] The left side of the transparent composite film layer 2 is folded to form a left side surface 22, the rear of the left second bag body 3, and the front of the left second bag body 3. The junction of the left side surface 22 and the rear of the left second bag body 3 is heat-sealed to the left edge of the dialysis paper layer 1. The upper sides of the rear of the left second bag body 3 and the front of the left second bag body 3 are heat-sealed to form a sealed connection. The lower side of the rear of the left second bag body 3 extends beyond the lower side of the front of the left second bag body 3, and the extended part is the second sealing part 24. The second sealing part 24 is provided with a second adhesive area. A second release paper 25 is provided on the receiving area; the lower rear side of the second bag body 3 on the left and the lower front side of the second bag body 3 on the left form the second opening of the second bag body 3 on the left; the tear line 5 on the left is partially heat-fused to the transparent composite film layer 2 at the through hole position 21 on the left side 22 and extends out from the second opening; the right edge of the front of the second bag body 3 on the left is heat-sealed to the front of the transparent composite film layer 2; the rear of the second bag body 3 on the left and the front of the second bag body 3 on the left and the left side 22 form the second cavity of the second bag body 3 on the left;

[0056] The right side of the transparent composite film layer 2 is folded to form a right side surface 23, the rear of the right second bag body 3, and the front of the right second bag body 3 in sequence; the junction of the right side surface 23 and the rear of the right second bag body 3 is heat-sealed to the right edge of the dialysis paper layer 1; the upper sides of the rear of the right second bag body 3 and the front of the right second bag body 3 are heat-sealed to form a sealed connection; the lower side of the rear of the right second bag body 3 extends beyond the lower side of the front of the right second bag body 3, and the extended part is the second sealing part 24; the second sealing part 24 is provided with a second adhesive area, the... A second release paper 25 is provided on the second bonding area; the lower rear side of the second bag body 3 on the right side and the lower front side of the second bag body 3 on the right side form the second opening of the second bag body 3 on the right side; the tear line 5 on the right side is partially heat-fused to the transparent composite film layer 2 at the through hole position 21 on the right side surface 23 and extends out from the second opening; the right edge of the front of the second bag body 3 on the right side is heat-sealed to the front of the transparent composite film layer 2; the rear of the second bag body 3 on the right side and the front of the second bag body 3 on the right side and the right side surface 23 form the second cavity of the right bag body;

[0057] The portion of the tear line 5 extending from the corresponding second opening is the tearing operation end 51.

[0058] The lower side of the second bag body 3 forms a second opening and is sealed by the second sealing part 24. This design allows the user to fill the desiccant pack 4 by himself during packaging. That is, the indirect sealing structure makes the application scenarios of this utility model more diverse. At the same time, in this design, the tear line 5 also extends from the second opening. Therefore, when using this design, the bag can be filled first and then sterilized before the desiccant pack 4 is installed.

[0059] The tear-off end 51 is adhered to the second adhesive area of ​​the second sealing part 24 and covered by the second release paper 25. The tear line 5 is pre-fixed in the second adhesive area, which facilitates better product integrity and also avoids accidental operation.

[0060] A metal wire 6 that can be deformed under external force is heat-sealed at the rear of the second bag body 3 on the left and at the upper front of the second bag body 3 on the left.

[0061] A deformable metal wire 6 is heat-sealed at the rear of the second bag 3 on the right side and at the upper front of the second bag 3 on the right side. The metal wire 6 allows the second bag 3 to be bent, and after bending, it can form a support structure with the first bag to facilitate overall standing, making storage more convenient and stable.

[0062] Other technical features are the same as in Example 1.

[0063] The usage instructions for this embodiment are as follows:

[0064] First, the medicines or medical devices to be stored are placed into the first bag, and then the first release paper 12 is removed. Next, the first sealing part 11 seals the first opening through the first adhesive area. The desiccant pack 4 is placed into the second bag 3, and then the second release paper 25 is removed. The tearing end 51 of the tear line 5 pasted in the second adhesive area is removed, and then the tear line 5 is pulled. As the tear line 5 is pulled, the portion of the transparent composite film layer 2 located at the through hole position 21 is torn off along the break point score line, thereby connecting the first cavity and the second cavity. Then, the second sealing part 24 seals the second opening through the second adhesive area, completing the packaging.

[0065] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A medical packaging bag comprising a paper-plastic bag body; the paper-plastic bag body including a dialysis paper layer and a transparent composite film layer; the dialysis paper layer and the transparent composite film layer are heat-sealed to form a first bag body with three sides sealed and one side having a first opening; a first cavity is formed inside the first bag body; the dialysis paper layer has a first sealing portion extending beyond the transparent composite film layer at the first bag opening, which can seal the first bag opening by folding; the first sealing portion has a first adhesive area, and a first release paper is provided on the first adhesive area; characterized in that: A second bag body is heat-sealed onto the first bag body; the second bag body and the transparent composite film layer form a second cavity that can be directly or indirectly sealed; a desiccant packet is contained in the second cavity; at least one through-hole position is provided on the portion of the transparent composite film layer located in the second cavity, defined by a breakpoint scoring line; a tear line is provided inside the second bag body that is heat-fused to the transparent composite film layer at the through-hole position; the tear line is used to tear off the portion of the transparent composite film layer located at the through-hole position and form a through-hole that connects the first cavity and the second cavity.

2. A medical packaging bag according to claim 1, characterized in that: The left and right sides of the front of the transparent composite membrane layer are formed by folding. The left side is heat-sealed to the left edge of the dialysis paper layer, and the right side is heat-sealed to the right edge of the dialysis paper layer. The bottom edge of the front of the transparent composite membrane layer is heat-sealed to the bottom edge of the dialysis paper layer. The left side has a first left crease line for folding and storing the left side, and the right side has a first right crease line for folding and storing the right side. The front of the transparent composite membrane layer is folded and stored towards the dialysis paper layer by folding and storing the left and right sides. A second bag is provided on the left and / or right side. A through hole is provided on the left and / or right side where the second bag is provided.

3. A medical packaging bag according to claim 2, characterized in that: A second bag is provided on both the left and right sides; The tear line that is partially heat-fused to the transparent composite film layer at the through hole position on the left side extends downward along the left side and along the bottom of the first bag to the right side, and finally extends upward along the right side and protrudes from the first opening; The tear line that is partially heat-fused to the transparent composite film layer at the through hole position on the right side extends downward along the right side and along the bottom of the first bag to the left side, and finally extends upward along the left side and protrudes from the first opening; The part of the tear line that extends out of the first bag opening is the tearing operation end.

4. A medical packaging bag according to claim 3, characterized in that: The tear-off end is pasted onto the first adhesive area of ​​the first sealing part and covered by the first release paper.

5. A medical packaging bag according to claim 2, 3, or 4, characterized in that: A second bag is provided on both the left and right sides; The left side of the transparent composite membrane layer is folded in sequence to form the left side face, the back of the second bag on the left, and the front of the second bag on the left; the left side face and the back of the second bag on the left are heat-sealed to the left edge of the dialysis paper layer; the back of the second bag on the left and the upper and lower sides of the front of the second bag on the left are heat-sealed; the right edge of the front of the second bag on the left is heat-sealed to the front of the transparent composite membrane layer; a second cavity is formed between the back of the second bag on the left and the front of the second bag on the left, and on the left side. The right side of the transparent composite film layer is folded in sequence to form the right side face, the back of the second bag on the right side, and the front of the second bag on the right side; The right side and the rear of the second bag on the right side are heat-sealed to the right edge of the dialysis paper layer; the rear of the second bag on the right side and the upper and lower sides of the front of the second bag on the right side are heat-sealed to form a seal; the left edge of the front of the second bag on the right side is heat-sealed to the front of the transparent composite film layer; a second cavity is formed between the rear of the second bag on the right side and the front of the second bag on the right side, as well as on the right side.

6. A medical packaging bag according to claim 2, characterized in that: A second bag is provided on both the left and right sides; The left side of the transparent composite film layer is folded to form the left side face, the back of the second bag body on the left, and the front of the second bag body on the left; the left side face and the back of the second bag body on the left are heat-sealed to the left edge of the dialysis paper layer; the back of the second bag body on the left and the upper side of the front of the second bag body on the left are heat-sealed to form a seal; the lower side of the back of the second bag body on the left extends beyond the lower side of the front of the second bag body on the left, and the extended part is the second sealing part; the second sealing part is provided with a second adhesive area, and the second adhesive area is provided with a second release paper; the lower side of the back of the second bag body on the left and the lower side of the front of the second bag body on the left form the second opening of the second bag body on the left; the tear line on the left is heat-fused to the part of the transparent composite film layer located at the through hole position on the left side and extends out from the second opening; the right edge of the front of the second bag body on the left is heat-sealed to the front of the transparent composite film layer; the back of the second bag body on the left and the front of the second bag body on the left, as well as the left side face, form the second cavity of the second bag body on the left; The right side of the transparent composite film layer is folded in sequence to form the right side face, the back of the second bag on the right side, and the front of the second bag on the right side; The right side and the rear of the second bag body on the right side are heat-sealed to the right edge of the dialysis paper layer; the rear of the second bag body on the right side and the upper front of the second bag body on the right side are heat-sealed to form a seal; the lower rear of the second bag body on the right side extends beyond the lower front of the second bag body on the right side, and the extended part is the second sealing part; the second sealing part is provided with a second adhesive area, and the second adhesive area is provided with a second release paper; the lower rear of the second bag body on the right side and the lower front of the second bag body on the right side form the second opening of the second bag body on the right side; the tear line on the right side and the transparent composite film layer located at the through hole position on the right side are heat-fused together and then extend out from the second opening; The front right edge of the second bag body on the right side is heat-sealed to the front of the transparent composite film layer; the rear and front of the second bag body on the right side and the right side form a second cavity of the bag body on the right side; The portion of the tear line extending from the corresponding second opening is the tearing operation end.

7. A medical packaging bag according to claim 6, characterized in that: The tear-off end is pasted onto the second adhesive area of ​​the second sealing part and covered by the second release paper.

8. A medical packaging bag according to claim 5, characterized in that: A deformable metal wire is heat-sealed at the upper and / or lower heat-sealed areas on the back of the second bag on the left side and at the front of the second bag on the left side. A deformable metal wire is heat-sealed at the upper and / or lower heat-sealed areas on the back of the second bag on the right side and at the front of the second bag on the right side.

9. A medical packaging bag according to claim 6, characterized in that: A deformable metal wire is heat-sealed at the back of the second bag on the left and at the upper front of the second bag on the left. A deformable metal wire is heat-sealed at the back of the second bag on the right side and at the upper front of the second bag on the right side.

10. A medical packaging bag according to claim 1 or 2, characterized in that: The transparent composite film layer has multiple through holes spaced apart on the portion located within the second cavity; the through holes are arranged along the tearing direction of the tear line; the tear line is only thermally fused to the portion of the transparent composite film layer located at the through holes; the interval between the through holes is not connected to the tear line.

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