CN215664835U - Seal medical sterilization valve bag of reinforcement type - Google Patents
Seal medical sterilization valve bag of reinforcement type Download PDFInfo
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- CN215664835U CN215664835U CN202121443771.XU CN202121443771U CN215664835U CN 215664835 U CN215664835 U CN 215664835U CN 202121443771 U CN202121443771 U CN 202121443771U CN 215664835 U CN215664835 U CN 215664835U
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Abstract
The utility model provides a sealing reinforced medical sterilization self-sealing bag, which is formed by connecting a medical composite film and medical dialyzing paper in a hot-sealing manner through three edges, a U-shaped cavity is formed by the hot-sealing connection, the opening of the U-shaped cavity is a bag opening, the medical dialyzing paper extends outwards at the bag opening and crosses over the medical composite film to form a sealing tongue, a first double-sided adhesive tape is pasted on the surface of the sealing tongue facing to the medical composite film, a second double-sided adhesive tape is pasted on the surface of the medical composite film deviating from the medical dialyzing paper and is close to the bag opening, or a third double-sided adhesive tape is pasted on the surface of the sealing tongue away from the medical composite film, and the firm pasting of the sealing tongue is ensured by twice folding and pasting; and an additional fixing part formed by ironing and connecting the medical composite membrane and the medical dialyzing paper is arranged at the bottom of the U-shaped cavity, and the bottom of the U-shaped cavity is flat by the additional fixing part. According to the utility model, the seal-reinforced medical sterilization valve bag with better safety is provided.
Description
Technical Field
The utility model relates to the field of medical sterilization packaging bags, in particular to a seal-reinforced medical sterilization self-sealing bag.
Background
Referring to fig. 1 to 3, a conventional medical sterilization self-sealing bag is provided, which is composed of an upper sheet and a lower sheet of medical composite film 1 and medical dialysis paper 2, the upper sheet and the lower sheet are connected to form a hot-sealing connection portion 5 by hot sealing three edges to form a U-shaped cavity, the opening of the U-shaped cavity is a bag opening, the medical dialysis paper 2 at the bag opening extends outwards to cross the medical composite film 1 to form a sealing tongue, a double-sided tape 3 is attached to the sealing tongue, the double-sided tape is composed of release paper 31 and a double-sided adhesive strip 32, the double-sided tape 3 and the medical composite film 1 are on the same side of the medical dialysis paper 2, and the double-sided tape 3 can seal the packaging bag. When in use, the medical composite film 1 and the medical dialyzing paper 2 of the bag opening can be stuck by the double-sided adhesive strips 32 of the double-sided adhesive tape 3 only by folding along the specified folding line and removing the release paper 31 on the double-sided adhesive tape, the bag opening can be sealed without other sealing equipment, and the use is convenient and quick.
However, due to the viscosity of the double-sided tape and the sealing and adhering manner, the packaged product is subjected to large pressure difference between the inside and the outside of the self-sealing bag during transportation collision or steam sterilization, particularly during pressure steam sterilization, no matter pre-vacuum or pulsating vacuum is generated, steam is injected into the sterilizer after the sterilizer is vacuumized, and the bag is expanded or contracted, so that the risk of explosion at the bottom of the bag or at the adhering position of the double-sided tape at the bag opening is easily caused. In addition, the bag explosion condition is easy to occur at the U-shaped bottom of the sterilization valve bag, thereby causing the sterilization failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing reinforced medical sterilization valve bag, so as to solve the problem that the bag mouth and the bag bottom of the medical sterilization valve bag in the prior art are easy to burst, so that the sterilization fails.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the sealing reinforced medical sterilization self-sealing bag is formed by hot-sealing and connecting a medical composite film and medical dialyzing paper through three edges, a U-shaped cavity is formed through the hot-sealing and connecting, the opening of the U-shaped cavity is a bag opening, the medical dialyzing paper extends outwards from the bag opening and crosses the medical composite film to form a sealing tongue, a first double-sided adhesive tape is pasted on the surface of the sealing tongue facing to the medical composite film, a second double-sided adhesive tape is pasted on the surface of the medical composite film, which deviates from the medical dialyzing paper, close to the bag opening, or a third double-sided adhesive tape is pasted on the surface of the sealing tongue, which is away from the medical composite film, and the sealing tongue is pasted firmly through twice folding and pasting; and an additional fixing part formed by hot bonding connection is arranged at the bottom of the U-shaped cavity and between the medical composite membrane and the medical dialyzing paper, and the additional fixing part enables the bottom of the U-shaped cavity to be a flat bottom.
Preferably, the second double-sided adhesive tape is pasted on the position, 10-15 mm away from the bag opening, of the medical composite film.
Preferably, the third double-sided adhesive tape is opposite to the first double-sided adhesive tape on the back side thereof.
Preferably, the width of the first double-sided tape, the width of the second double-sided tape and the width of the third double-sided tape are 5-20 mm.
According to the sealing reinforced medical sterilization self-sealing bag provided by the utility model, two double-sided adhesive tapes are arranged at different positions of the bag opening simultaneously, so that twice folding and bonding of the sealing tongue are realized during sealing. Meanwhile, the additional fixing part is additionally arranged at the bottom of the self-sealing bag, so that the hot-sealing joint at the bottom of the U-shaped bag is enlarged, the stress surface is uniformly distributed on the bottom surface of the whole U-shaped bag, and the condition that the bag bottom is exploded is reduced.
In conclusion, the utility model provides the sealing reinforced medical sterilization valve bag which reduces the risk of sterilization failure caused by the explosion of the bag opening and the bag bottom during sterilization and has better safety.
Drawings
FIG. 1 is a plan view of a conventional medical sterilization valve bag;
FIG. 2 is a cross-sectional view of the conventional medical sterilization valve bag shown in FIG. 1 before sealing;
FIG. 3 is a cross-sectional view of the conventional medical sterilization valve bag shown in FIG. 1 after sealing;
FIG. 4 is a plan view of a medical sterilization valve bag according to a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of the medical sterilization valve bag shown in FIG. 4 before sealing;
FIG. 6 is a cross-sectional view of the medical sterile self-sealing bag shown in FIG. 4 after sealing;
FIG. 7 is a plan view of a medical sterilization valve bag according to another preferred embodiment of the present invention;
figure 8 is a cross-sectional view of the medical sterile valve bag shown in figure 7 prior to sealing.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 4, 5, and 6, a seal-reinforced medical sterilization self-sealing bag according to a preferred embodiment of the present invention includes a medical composite film 1 and a medical dialysis paper 2, which are connected to form a sealing connection portion 5 by three edges through sealing, and a U-shaped cavity is formed at the same time, an opening of the U-shaped cavity is a bag opening of the self-sealing bag, the medical dialysis paper 2 extends outward at the bag opening and crosses the medical composite film 1 to form a seal tongue, a first double-sided tape 3 is adhered to an upper surface of the seal tongue, and a second double-sided tape 4 is adhered to an upper surface of the medical composite film 1, and the second double-sided tape 4 is adhered to the medical composite film 1 at a position 10-15 mm away from the bag opening.
Further, an additional fixing part 6 formed by hot sealing connection is arranged at the bottom of the U-shaped cavity between the medical composite membrane 1 and the medical dialyzing paper 2, and the additional fixing part 6 enables the bottom of the U-shaped cavity to be flat.
Therefore, the medical sterilization self-sealing bag provided by the preferred embodiment folds the sealing tongue along the folding line, the sealing tongue can be firstly pasted on the medical composite film 1 at the bag opening through the double-sided adhesive strip 32 after the release paper 31 of the first double-sided adhesive tape 3 is torn off, the sealing tongue which is folded once is folded again, and the sealing tongue can be pasted on the medical composite film 1 again through the double-sided adhesive strip 42 after the release paper 41 of the second double-sided adhesive tape 4 is torn off. Obviously, the sealing bag changes the stress direction of the original sealing adhesive tape adhesive through twice folding and pasting, ensures the firm pasting of the sealing tongue and greatly reduces the risk of bag explosion along the bag opening in the sterilization or carrying process. Meanwhile, the medical sterilization self-sealing bag provided by the preferred embodiment has the advantages that the additional fixing part 6 is additionally arranged at the bottom, so that the hot-sealing joint at the bottom of the U-shaped bag is enlarged, the stress surface is uniformly distributed on the bottom surface of the whole U-shaped cavity, and the condition that the bag bottom is burst is reduced.
Referring to fig. 7 and 8, there is provided a seal-reinforced medical sterilization self-sealing bag according to another preferred embodiment of the present invention, which has substantially the same structure as the previous preferred embodiment, and the only difference is the location of the second strip of double-sided tape. As shown in fig. 7, the self-sealing bag comprises a first double-sided adhesive tape 3 adhered to the upper surface of the sealing tongue, and a third double-sided adhesive tape 7 adhered to the lower surface of the sealing tongue, wherein the third double-sided adhesive tape 7 is opposite to the first double-sided adhesive tape 3 on the back surface.
Therefore, the medical sterilization self-sealing bag provided by the preferred embodiment folds the sealing tongue along the folding line, and after the release paper 31 of the first double-sided tape 3 is torn off, the sealing tongue can be firstly adhered to the medical composite film 1 at the bag opening through the double-sided adhesive strip 32, and then the once folded sealing tongue is folded again, and after the release paper 71 of the third double-sided tape 7 is torn off, the sealing tongue can be adhered to the medical composite film 1 again through the double-sided adhesive strip 72. Obviously, the sealing bag changes the stress direction of the original sealing adhesive tape adhesive through twice folding and pasting, ensures the firm pasting of the sealing tongue and greatly reduces the risk of bag explosion along the bag opening in the sterilization or carrying process. Meanwhile, the medical sterilization self-sealing bag provided by the preferred embodiment has the advantages that the additional fixing part 6 is additionally arranged at the bottom, so that the hot-sealing joint at the bottom of the U-shaped bag is enlarged, the stress surface is uniformly distributed on the bottom surface of the whole U-shaped bag, and the condition that the bag bottom is burst is reduced.
According to the preferred embodiment of the present invention, the width of the first double-sided tape 3, the second double-sided tape 4, and the third double-sided tape 7 is 5mm to 20mm, and more preferably 10 mm to 15 mm.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The utility model has not been described in detail in order to avoid obscuring the utility model.
Claims (4)
1. A seal-reinforced medical sterilization self-sealing bag is formed by hot-sealing and connecting a medical composite film and medical dialyzing paper through three edges, a U-shaped cavity is formed through the hot-sealing and connecting, the opening of the U-shaped cavity is a bag opening, the medical dialyzing paper extends outwards at the bag opening and crosses the medical composite film to form a seal tongue, and a first double-sided adhesive tape is pasted on the surface of the seal tongue facing to the medical composite film; and an additional fixing part formed by hot bonding connection is arranged at the bottom of the U-shaped cavity and between the medical composite membrane and the medical dialyzing paper, and the additional fixing part enables the bottom of the U-shaped cavity to be a flat bottom.
2. The seal-reinforced medical sterilization valve bag according to claim 1, wherein the second double-sided tape is adhered to the medical composite film at a position 10-15 mm away from the bag opening.
3. The seal-reinforced medical sterile self-sealing bag according to claim 1, wherein the third double-sided tape is opposite to the first double-sided tape on the back side thereof.
4. The seal-reinforced medical sterilization valve bag according to claim 1, wherein the width of the first double-sided tape, the second double-sided tape and the third double-sided tape is 5mm to 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121443771.XU CN215664835U (en) | 2021-06-28 | 2021-06-28 | Seal medical sterilization valve bag of reinforcement type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121443771.XU CN215664835U (en) | 2021-06-28 | 2021-06-28 | Seal medical sterilization valve bag of reinforcement type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215664835U true CN215664835U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121443771.XU Active CN215664835U (en) | 2021-06-28 | 2021-06-28 | Seal medical sterilization valve bag of reinforcement type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215664835U (en) |
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2021
- 2021-06-28 CN CN202121443771.XU patent/CN215664835U/en active Active
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