CN212490758U - Dual-protection type polypropylene infusion bag with easily torn points - Google Patents
Dual-protection type polypropylene infusion bag with easily torn points Download PDFInfo
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- CN212490758U CN212490758U CN202021509692.XU CN202021509692U CN212490758U CN 212490758 U CN212490758 U CN 212490758U CN 202021509692 U CN202021509692 U CN 202021509692U CN 212490758 U CN212490758 U CN 212490758U
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- 229920001155 polypropylene Polymers 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 116
- 238000011049 filling Methods 0.000 claims abstract description 32
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- 239000007788 liquid Substances 0.000 claims abstract description 20
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Abstract
The utility model discloses a dual protection type polypropylene infusion bag with easily tear point belongs to infusion bag technical field. Comprises a bag body, wherein an accommodating cavity is arranged in the bag body; the weak welding rods are arranged on the bag body, the containing cavity is divided into a plurality of cavities for containing liquid or powder, and the adjacent cavities are separated by two weak welding rods; a buffer cavity is arranged between the two weak welding rods, and each weak welding rod comprises a straight line section and bending sections, wherein the straight line sections are integrally formed, and the bending sections are arranged at the two ends of each straight line section; the weak welding points are arranged on the bag body in the buffer cavity; the mouth tube is provided with the easily-folded covers, and the easily-folded covers are in one-to-one correspondence and are hermetically connected to the mouth tube; the mouth tube and the easy-folding cover are integrally formed; the tail filling part is arranged on the side wall of the bag body opposite to the mouth pipe, the tail filling part is communicated with the cavity before filling, and after filling, the two side walls of the bag body of the tail filling part are welded and sealed. By arranging the buffer cavity and the weak welding points, the probability that the infusion bag is opened accidentally can be further reduced.
Description
Technical Field
The utility model relates to an infusion bag technical field, more specifically the utility model relates to a dual protection type polypropylene infusion bag with easily tear point that says so.
Background
In recent years, more and more attention is paid to nutrition infusion in clinical application, and particularly, patients with critical diseases or patients after surgical treatment need to be supplemented with nutrition in time to be well recovered; the existing nutritional infusion products mainly comprise glucose, amino acid, fat emulsion and the like, and the packaging mode mainly comprises the following steps: single-bag glass bottles and single-bag soft bag products, wherein the glass bottles are mainly used; the nutrition required by the human body can meet the requirements of the human body not only by a single product but also by the mutual matching of a plurality of nutrient substances.
In the prior art, different nutrient solutions are respectively and independently arranged in different bottle bodies, and the mouth part of each bottle body is provided with an aluminum glue combined liquid conveying and adding port. If a patient needs two nutrient solutions to meet the needs of a living body, medical staff can pump the needed nutrient solution into an injector from an aluminum gel combined feeding port of a bottle body filled with the nutrient solution according to the requirements of the formula amount and then inject the nutrient solution into the nutrient solution of another large bottle, so that the nutrient solution is continuously and repeatedly transferred to another nutrient solution, and the nutrient solution is transferred to another nutrient solution and then is uniformly mixed by hand to form the mixed nutrient solution. After being mixed evenly, the mixture is sleeved into the bottle body ferrule and hung on the transfusion bracket, and then is transfused into the human body by using the transfusion device. Has the following disadvantages:
the existing bottle bodies for containing nutrient solution are all glass infusion bottles, the bottles are individually packaged according to types and specifications, the number of used packaging materials is large, and the packaging materials are improper in the transportation process or the use process, so that the packaging mode is extremely easy to damage.
The aluminum-rubber combined liquid conveying and filling port used in the existing scheme is used for removing the plastic cover and then disinfecting the rubber plug, and the transfusion and the liquid filling all pass through the same position, so that the rubber plug can be desquamated and punctured to leak liquid after multiple punctures, and certain use risk is realized.
The compatibility of balanced nutrition is realized to satisfy patient's needs, need first nutrient solution of extraction to the second kind of nutrient solution many times during the use, mixes the use again, and operating procedure is loaded down with trivial details, complicated, and the number of times of operation can increase at double like this, and the risk also can further improve, also can cause the risk, and needs solitary preparation center.
In the prior art, an infusion bag is disclosed, wherein an integrated easily-torn isolation strip is arranged on a bag body of the infusion bag, when the infusion bag is not used, the integrated easily-torn isolation strip can separate the infusion bag into independent cavities, different medicines can be filled in each cavity, and when the infusion bag is used, the integrated easily-torn isolation strip is opened, so that different medicines in each cavity are mixed in one body, and the technical problem of mixing of the glass bottles can be solved.
However, the inventor of the present application finds that in the prior art, the cavity and the cavity of the infusion bag with the integrated easy-to-tear isolating strip are separated by the integrated easy-to-tear isolating strip, and when the medicine of the infusion bag is transported or falls or is impacted, the single integrated easy-to-tear isolating strip is easy to be mistakenly opened, so that the medicines between different cavities are mixed when not being used, and the technical problem that the medicine effect cannot achieve the best effect exists.
Simultaneously, this infusion bag is the positive formula of irritating, and filling and infusion all go on from an oral siphon promptly, fill through the oral siphon earlier, and the filling is accomplished the back, on will making up the lid and weld the oral siphon, when the welding, has the risk that the welding piece drops to the liquid medicine of cavity from the oral siphon.
Meanwhile, the inventor also finds that the existing integrated easy-tearing isolating strip is mostly in a straight line type, and the once opening success rate of the integrated easy-tearing isolating strip is still to be improved when the integrated easy-tearing isolating strip is opened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual protection type polypropylene infusion bag with easily tear point to solve the technical problem who exists among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-protection type polypropylene infusion bag with easily torn points comprises a bag body, wherein an accommodating cavity is formed in the bag body; the weak welding rods are arranged on the bag body, the containing cavity is divided into a plurality of cavities for containing liquid or powder, and the adjacent cavities are separated by two weak welding rods; a buffer cavity is arranged between the two weak welding rods; the weak welding rod comprises a straight line section and bending sections, wherein the straight line section is integrally formed, and the bending sections are arranged at two ends of the straight line section; the weak welding points are arranged on the bag body in the buffer cavity; the number of the mouth pipes corresponds to that of the chambers one by one, the mouth pipes are arranged on the bag body, and the mouth pipes are communicated with the chambers one by one; the number of the easy-to-fold covers is in one-to-one correspondence with the number of the mouth tubes, and the easy-to-fold covers are in one-to-one correspondence and are hermetically connected to the mouth tubes; the mouth tube and the easy-to-break cover are integrally formed; the tail filling part is arranged on the side wall of the bag body opposite to the mouth pipe, the tail filling part is communicated with the cavity before filling, and after filling, the two side walls of the bag body of the tail filling part are welded and sealed.
Furthermore, weak welding point is the easy isolation point that tears that forms through the welding between two lateral walls of the bag body, the welding power that easily tears between isolation point and the bag body is less than the pulling force that receives when pulling open two lateral walls of the bag body to opposite direction.
Furthermore, the weak welding points are arranged in a plurality of zigzag shapes, and the distances between the adjacent weak welding points are equal.
Further, weak welding rod is the easy division bar that tears that forms through the welding between two lateral walls of the bag body, easily tear the welding power between division bar and the bag body and be less than with the bag body along the length direction who easily tears the division bar when curling and pressing, easily tear the pressure that receives between division bar and the bag body.
Furthermore, the welding patterns of the easy-to-tear isolating strips and the easy-to-tear isolating points are a plurality of diamond welding lines.
Further, the tail irrigation part is provided with a hanging hole; first handheld holes are formed in the bag bodies on the two sides of the tail irrigation portion, and the first handheld holes are distributed on the two sides of the hanging hole.
Further, the widths of the straight line section and the bending section are equal, and the included angle between the straight line section and the bending section is 30-50 degrees.
Furthermore, a bag head body is arranged on one side of the bag body, which is provided with the mouth pipe, a plurality of second hand-held holes are formed in the bag head body, and the second hand-held holes are distributed in the bag head bodies on the two sides of the mouth pipe.
Furthermore, the periphery of the bag body is provided with a leakage-proof isolation layer.
Furthermore, four vertex angles of the bag body are provided with fillets. Compared with the prior art, the utility model beneficial effect who has is:
1. the utility model discloses novel structure, the practicality is strong. The utility model discloses set up two weak welding rods on the bag body, played the effect of dual fail-safe, even the weak welding rod of a strip is opened under the abnormal conditions, also can not make the liquid or the powder of splendid attire mix when the abnormal use in two cavities. Greatly improves the safety of medication. Moreover, the infusion bag with the weak welding rod provided by the utility model is convenient to open.
2. By arranging the buffer cavity and the weak welding points, the probability that the infusion bag is opened under unexpected conditions (such as transportation bump, high-altitude falling, impact and the like) can be further reduced.
3. The utility model provides an infusion bag adopts the form of tail irritating to carry out the filling, consequently, does not worry to have the welding piece to drop in the cavity.
4. The utility model provides a weak welding rod all is equipped with the bending segment at the both ends of straightway, and when curly pressing weak welding rod, changes at the weak welding rod atress direction of straightway and bending segment's junction, and the weak welding rod that leads to this department is opened when curling the press most easily, consequently, has become here a weak welding rod and has curled an easy tear point when pressing open correctly, and the effectual improvement curls the success rate of opening when pressing open weak welding rod.
Drawings
Fig. 1 is a schematic structural view of a dual-protection type polypropylene infusion bag with easily torn points of the present invention.
The labels in the figure are: the packaging bag comprises a bag body 1, a chamber 2, a weak welding rod 3, a weak welding point 4, a buffer cavity 5, a mouth pipe 6, an easy-to-fold cover 7, a second holding hole 8, a first holding hole 9, a leakage-proof isolating layer 10, a tail filling part 11, a hanging hole 12, a bending section 13 and a straight line section 14.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, the double-protection type polypropylene infusion bag with the easily torn point comprises a bag body 1, wherein an accommodating cavity is arranged in the bag body 1; the weak welding rods 3 are arranged on the bag body 1, the containing cavity is divided into a plurality of cavities 2 for containing liquid or powder, and the adjacent cavities 2 are separated by two weak welding rods 3; a buffer cavity 5 is arranged between the two weak welding rods 3; the weak welding rod 3 comprises a straight line section 14 and bending sections 13, wherein the straight line section 14 is integrally formed, and the bending sections 13 are arranged at two ends of the straight line section 14; the weak welding points 4 are arranged on the bag body 1 in the buffer cavity 5; the number of the mouth pipes 6 is in one-to-one correspondence with the number of the chambers 2, the mouth pipes 6 are arranged on the bag body 1, and the mouth pipes 6 are in one-to-one correspondence communication with the chambers 2; the number of the easy-to-fold covers 7 is in one-to-one correspondence with the number of the mouth tubes 6, and the easy-to-fold covers 7 are in one-to-one correspondence and are hermetically connected to the mouth tubes 6; the mouth tube 6 and the easy-folding cover 7 are integrally formed; the tail filling part 11 is arranged on the side wall of the bag body 1 opposite to the mouth pipe 6, the tail filling part 11 is communicated with the cavity 2 before filling, and after filling, the two side walls of the bag body 1 of the tail filling part 11 are welded and sealed.
The utility model provides a weak welding rod 3 is the easy division bar that tears that forms through the welding between two lateral walls of the bag body 1, easily tear the welding power between division bar and the bag body 1 and be less than with the bag body 1 along the length direction who easily tears the division bar when curling and pressing, easily tear the pressure that receives between division bar and the bag body 1.
The utility model discloses novel structure, the practicality is strong. The utility model discloses set up two weak welding rods 3 on the bag body 1, separate through two weak welding rods 3 between two cavities 2 promptly, when meetting the condition that the abnormal opening, press cavity 2 outward as one wishes, infusion bag receives the striking, the high altitude falls etc. owing to set up two weak welding rods 3, the effect of dual fail-safe has been played, even the weak welding rod 3 of a single strip is opened under the abnormal condition, also can not make the liquid or the powder of splendid attire mix when the abnormal use in two cavities 2. Greatly improves the safety of medication. Moreover, the infusion bag with the weak welding rod 3 provided by the utility model is convenient to open.
In the embodiment, the weak welding rod 3 is improved, the weak welding rod 3 is divided into the straight line section 14 and the bending section 13, and the bending section 13 is arranged close to the bag body 1, so that when the curled weak welding rod 3 is pressed, when the curled weak welding rod is curled to the bending section 13, the turning point of the straight line section 14 and the bending section 13 is changed due to the stress direction, and further the curling pressure at the changed point is increased, when the curled weak welding rod 3 is pressed again, the weak welding rod 3 is separated from the bag body 1 at the joint of the straight line section 14 and the bending section 13, and then the weak welding rod 3 is opened from the turning point, so that the weak welding rod 3 is arranged into the straight line section 14 and the bending section 13, namely, the joint of the straight line section 14 and the bending section 13 is designed into an easy-opening point, and the easy-opening point is an easy-opening point when the weak welding rod is pressed in a normal. The straight section 14 and the bent section 13 are generally equal in width, and the included angle between the straight section 14 and the bent section 13 is 30-50 degrees, preferably 45 degrees.
The utility model discloses a 3 parallel arrangement of two weak welding rods, it is smooth according to the mode of curling to be convenient for when opening, convenient opening, simultaneously, the buffering cavity 5 between two weak welding rods 3 can provide the pressure release space, when a weak welding rod 3 is opened under the abnormal conditions promptly, liquid or powder in cavity 2 of that one side of opening can have the part to overflow to the buffering and detain in the cavity, are used for offsetting the pressure that the external maloperation of part brought. Meanwhile, the situation that liquid or powder between the two chambers 2 is mixed when the single weak welding rod 3 is abnormally opened can be avoided.
Of course, the utility model discloses weak solder joint 4 has still been set up in buffering cavity 5, weak solder joint 4 is the easy isolation point that tears that forms through the welding between two lateral walls of the bag body 1, the welding power that easily tears between isolation point and the bag body 1 is less than the pulling force that receives when pulling open two lateral walls of the bag body 1 to opposite direction. More preferably, the number of the weak welding points 4 is multiple, the weak welding points 4 are arranged in a zigzag shape, and the distances between the adjacent weak welding points 4 are equal. The weak welding points 4 are arranged in a zigzag shape, so that the pressure relief effect can be better realized.
The weak welding point 4 is arranged to play a role in buffering, namely, when the weak welding rod 3 on one side is opened under the non-use state due to high-altitude falling, impact and the like under the unexpected condition, liquid or powder in the weak welding rod 3 on the opened side can rush into the buffer cavity 5, so that the pressure relief effect is realized, namely, the influence of the pressure of the weak welding rod 3 on the opened side on the weak welding rod 3 on the other side is reduced as much as possible, and the weak welding rods 3 on the two sides are prevented from being opened under the non-use state. The weak welding points 4 are arranged in the buffer cavity 5, so that the effect of first pressure relief is achieved, namely when the welding electrode is opened in a non-use state, liquid or powder in the weak welding electrodes 3 on one side of the opening side gushes into the buffer cavity 5, the weak welding points 4 are spread to consume a part of energy, further, the release of part of accidental pressure is completed, and the influence of the weak welding electrodes 3 on the other side is reduced as much as possible.
Before opening, each cavity 2 is in independent separate state, when wanting to use the utility model discloses an infusion bag time, the afterbody from the bag body 1 curls along the length direction of weak welding rod 3 and presses, when rolling the front end, once more extrude, then weak welding rod 3 can be torn from its contact department with bag body 1 front end, also can change the direction and curl along the length direction of weak welding rod 3 from the head of the bag body 1 and press, extrude weak welding rod 3 in proper order or hold bag body 1 with both hands and prolong weak welding rod 3 and tear towards its both sides, until weak welding rod 3 can partially be opened, after having opened weak welding rod 3, pull open two lateral walls with bag body 1 to opposite direction, tear weak solder joint 4, to this moment, weak welding part between two lateral walls of the bag body 1 is all opened, shake the mixture to liquid or solid in two cavities 2.
The process is convenient to operate, the product is opened for only a few seconds, and the compatibility of the liquid medicines in each chamber 2 is completed, so that the problem of cross contamination in the medicine mixing of the glass bottles can be effectively avoided in the whole process, and the effectiveness and the safety of the transfusion are effectively ensured; but also solves the problem that the existing transfusion bag with a single easy-tearing isolating strip is easy to open in a non-use state.
This mode simple structure, the soft-packing mode of adoption to and open promptly and mix promptly and do benefit to the operation, application range is wider, and the reliability is higher, makes enterprise's product image promote, and its economic effect who brings is very big.
The utility model provides an infusion bag, the form that adopts the tail to irritate carries out the filling, irritate portion 11 through the tail of the bag body 1 promptly and carry out the filling in to cavity 2, do not from mouth pipe 6 department filling, therefore, mouth pipe 6 and easy folding lid 7 formula production as an organic whole, can not appear carrying out the welded condition at the terminal surface from the terminal surface of mouth pipe 6 and combined cover after the liquid medicine has been filled, and irritate portion 11 from the tail of the bag body 1 and carry out the filling, after the filling, directly adopt welding mould to irritate portion 11 with the tail and weld sealedly, and the welding sealing of here is in the both sides that the portion 11 was irritated to the bag body 1 and tail, welding mould can not stretch into its inside, consequently, do not worry that the welding piece can drop in cavity 2.
Example 2:
as shown in fig. 1, this embodiment is further optimized on the basis of embodiment 1, and this embodiment focuses on explaining the improved parts compared with embodiment 1, and the same parts are not repeated herein, and in this embodiment, the welding patterns of the easy-to-tear isolation bars and the easy-to-tear isolation points are all a plurality of diamond-shaped welding lines. The rhombic welding lines can not only completely seal liquid between the chambers 2, but also buffer the falling impact force between the chambers 2, particularly the impact force in the transportation process. The rhombus welding lines further improve the sealing quality between the chambers 2, reduce the extrusion deformation between the film materials and improve the attractiveness of the bag body 1 to the maximum extent.
Example 3:
as shown in fig. 1, the present embodiment is further optimized based on embodiment 1, and this embodiment focuses on explaining the improvement compared to embodiment 1, and the same parts are not repeated, in this embodiment, the tail irrigation part 11 is provided with a hanging hole 12. The bag body 1 on the two sides of the tail irrigation part 11 is provided with a first handheld hole 9. The first hand-held hole 9 is arranged, so that better operation experience can be brought to an operator. Is convenient for taking and placing. When taking and placing the infusion bag, the cavity 2 can not be directly held by hands, so that the frequency of extruding the weak welding rod 3 between the cavity 2 and the cavity 2 during non-opening is reduced, and the abnormal opening probability is reduced.
Example 4:
as shown in fig. 1, the present embodiment is further optimized based on embodiment 1, and this embodiment focuses on the improvement compared to embodiment 1, and the details of the same are not repeated, and in this embodiment, the bag tail body is arc-shaped on the side opposite to the mouth tube 6. In this embodiment, the area of the 1 afterbody of the curved bag afterbody physical stamina increase bag body, the one end setting of two weak welding rods 3 is on the curved bag afterbody, when curling, is convenient for hold curved bag afterbody through the hand like this and curl and open weak welding rod 3.
Optionally, a bag head body is arranged on one side of the bag body 1 provided with the mouth pipe 6, a plurality of second handheld holes 8 are formed in the bag head body, and the second handheld holes 8 are distributed in the bag head bodies on two sides of the mouth pipe 6. The second hand-held hole 8 is arranged, so that better operation experience can be brought to an operator. Is convenient for taking and placing. When taking and placing the infusion bag, the cavity 2 can not be directly held by hands, so that the frequency of extruding the weak welding rod 3 between the cavity 2 and the cavity 2 during non-opening is reduced, and the abnormal opening probability is reduced.
Example 5:
as shown in fig. 1, the present embodiment is further optimized based on embodiment 1, and the present embodiment focuses on the improvement compared to embodiment 1, and the same points are not repeated, in the present embodiment, a leakproof isolation layer 10 is disposed around the bag body 1. The leak-proof isolation layer 10 can decorate the bag body 1 beautifully, and the leak-proof of the bag body 1 can be protected for the second time, further improvement bag body 1 quality simultaneously.
Example 6:
as shown in fig. 1, the present embodiment is further optimized based on embodiment 1, and this embodiment focuses on explaining the improvement compared to embodiment 1, and the same parts are not repeated, and in this embodiment, four corners of the bag body 1 are provided with fillets. The fillet can play the guard action to the bag body 1 after filling, can reduce to answer liquid or powder impact force too big, causes the welding department damaged, furthest's promotion product quality, and the aesthetic feeling of more powerful.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a dual protection type polypropylene infusion bag with easily tear point which characterized in that: comprises that
The bag comprises a bag body (1), wherein an accommodating cavity is formed in the bag body (1);
the weak welding rods (3) are arranged on the bag body (1) and divide the containing cavity into a plurality of cavities (2) for containing liquid or powder, and the adjacent cavities (2) are separated by two weak welding rods (3); a buffer cavity (5) is arranged between the two weak welding rods (3); the weak welding rod (3) comprises a straight line section (14) and bending sections (13), wherein the straight line section (14) is integrally formed, and the bending sections (13) are arranged at two ends of the straight line section (14);
the weak welding points (4) are arranged on the bag body (1) in the buffer cavity (5);
the number of the mouth pipes (6) is in one-to-one correspondence with the number of the chambers (2), the mouth pipes (6) are arranged on the bag body (1), and the mouth pipes (6) are in one-to-one correspondence communication with the chambers (2);
the number of the easy-to-fold covers (7) is in one-to-one correspondence with the number of the mouth tubes (6), and the easy-to-fold covers (7) are in one-to-one correspondence and are hermetically connected to the mouth tubes (6); the mouth tube (6) and the easy-to-fold cover (7) are integrally formed;
the tail filling part (11) is arranged on the side wall, opposite to the mouth pipe (6), of the bag body (1), the tail filling part (11) is communicated with the cavity (2) before filling, and after filling, the two side walls of the bag body (1) of the tail filling part (11) are welded and sealed.
2. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: weak welding point (4) are the easy isolation point that tears that forms through the welding between two lateral walls of the bag body (1), the welding power that easily tears between isolation point and the bag body (1) is less than the pulling force that receives when pulling open two lateral walls of the bag body (1) to opposite direction.
3. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 2, wherein: the number of the weak welding spots (4) is multiple, the weak welding spots (4) are arranged in a zigzag shape, and the distances between the adjacent weak welding spots (4) are equal.
4. The dual-protection polypropylene infusion bag with the easy-tear point as claimed in claim 1 or 2, wherein: weak welding rod (3) are the easy division bar that tears that forms through the welding between two lateral walls of the bag body (1), easily tear the welding power between division bar and the bag body (1) and be less than with the bag body (1) along the length direction who easily tears the division bar when curling pressing, easily tear the pressure that receives between division bar and the bag body (1).
5. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 3, wherein: the welding patterns of the easy-to-tear isolating strips and the easy-to-tear isolating points are a plurality of diamond welding lines.
6. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: the tail irrigation part (11) is provided with a hanging hole (12); the bag body (1) on the two sides of the tail irrigation part (11) is provided with first handheld holes (9), and the first handheld holes (9) are distributed on the two sides of the hanging hole (12).
7. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: the widths of the straight line section (14) and the bending section (13) are equal, and the included angle between the straight line section (14) and the bending section (13) is 30-50 degrees.
8. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: the bag body (1) is provided with a bag head body at one side provided with the mouth pipe (6), the bag head body is provided with a plurality of second hand-held holes (8), and the second hand-held holes (8) are distributed on the bag head bodies at two sides of the mouth pipe (6).
9. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: the periphery of the bag body (1) is provided with a leakage-proof isolation layer (10).
10. The dual-protection polypropylene infusion bag with the easy-tearing point as claimed in claim 1, wherein: the four top corners of the bag body (1) are provided with fillets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111728865A (en) * | 2020-07-27 | 2020-10-02 | 四川科伦药业股份有限公司 | Liquid leakage prevention type polypropylene infusion bag with composite weak welding rod |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111728865A (en) * | 2020-07-27 | 2020-10-02 | 四川科伦药业股份有限公司 | Liquid leakage prevention type polypropylene infusion bag with composite weak welding rod |
| WO2022022358A1 (en) * | 2020-07-27 | 2022-02-03 | 四川科伦药业股份有限公司 | Liquid-leakage-proof polypropylene infusion bag having composite weak welding rods |
| CN111728865B (en) * | 2020-07-27 | 2024-08-20 | 四川科伦药业股份有限公司 | Leakage-proof polypropylene infusion bag with composite weak welding rod |
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