CN102028622B - Infusion container - Google Patents
Infusion container Download PDFInfo
- Publication number
- CN102028622B CN102028622B CN 201010286202 CN201010286202A CN102028622B CN 102028622 B CN102028622 B CN 102028622B CN 201010286202 CN201010286202 CN 201010286202 CN 201010286202 A CN201010286202 A CN 201010286202A CN 102028622 B CN102028622 B CN 102028622B
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- Prior art keywords
- protruding wall
- infusion vessel
- flow region
- contraction flow
- wall
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- 238000001802 infusion Methods 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 230000008602 contraction Effects 0.000 claims description 64
- 230000001815 facial effect Effects 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 238000000071 blow moulding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 230000001788 irregular Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to a seamless and transparent soft plastic infusion bag packing container which is manufactured from the raw material of polypropylene by adopting a two-step blow molding technology. The soft plastic infusion bag packing container is an integrated soft and flat bag-shaped container and comprises an opening part, a body part and a bottom part which are integrated into a whole. The cross section of the infusion container is 2 to 4 times as long as the width, thus the infusion container can contract inwards and deform easily along the short shaft direction. The infusion container is used without adopting an air needle, and the liquid in the infusion container flows out stably at an appropriately constant speed in the infusing process. The surface of the infusion container in the short shaft direction contracts inwards regularly, and irregular bending such as twisting does not occur to the surface.
Description
Technical field
The present invention relates to a kind of infusion vessel, especially is raw material with the polypropylene, uses the blow molding technology of two-step method, a kind of seamless, the transparent plastic infusion packed in flexible pouchy container of making.
Background technology
Normally used transfusion package container mainly contains types such as the soft bag of vial, plastic bottle and non-PVC composite membrane on the domestic and international market at present.Wherein there are shortcomings such as frangible, Heavy Weight, transportation inconvenience and unfavorable recovery in vial, and the share of in the city, occupying is fewer and feweri.The soft bag of non-PVC composite membrane does not need pneumatic needle in use, relies on the effect of external atmosphere pressure, can free inwardly contraction distortion, and the liquid in the container is clean from draining.Of the pollution of the interior air of environment be can prevent, the curative effect of medicine and patient's health guaranteed medicine.The soft bag of non-PVC composite membrane all is to use two-piece composite film and trunnion, through the transfusion flexible bag packing container of cutting edge simultaneously after specialized apparatus and the specific mold hot fusion molding, the hot melt composite cover forms after the liquid drug.But it is unstable that the production of present soft bag, the main shortcoming of composite membrane are the heat fused quality, and product is easy to generate the phenomenon of leakage, causes product rejection, and qualification rate reduces, and cost of manufacture is higher.The plastic bottle that uses two-step method to produce, transparency is good, and output is high, and wall thickness is even, and is in light weight, and cost is low, occupies more and more important position on the market at home.But the shortcoming of plastic bottle is very difficult that drain in the container is clean, needs to use air inlet needle, to keep a bottle internal and external pressure balance.。
Summary of the invention
An object of the present invention is to provide a kind of infusion vessel that need not use the bag shape of air inlet needle, its output is high, and qualification rate is high, and weight is lighter, and cost is lower.
The flexible flat bag-like container that the infusion vessel of bag shape provided by the invention is formed in one comprises:
An oral area that leads to said internal tank;
A body that is connected with said oral area, said body comprise the first side wall and second sidewall, and first facial and second face;
A bottom that is connected with said body;
Have the first protruding wall and the second protruding wall between said oral area and the said body; Have the 3rd protruding wall and the 4th protruding wall between said bottom and the said body; Between the said first protruding wall, said the first side wall and the said the 3rd protruding wall, form successive first contraction flow region; Between the said second protruding wall, said second sidewall and the said the 4th protruding wall, form successive second contraction flow region, the wall thickness of said first contraction flow region and said second contraction flow region is thinner than other positions of said infusion vessel;
The said the 3rd protruding wall and the 4th protruding wall can be with the continuous discharge of the liquid in the said infusion vessel respectively along said first contraction flow region and the inside basic synchronization ground contraction distortions of said second contraction flow region; And progressively extend to the said first protruding wall and the said second protruding wall respectively, said first facial and said second face then can one end begins to be close together and to said oral area direction extension from said bottom along with the continuous discharge of liquid in the said infusion vessel.
In a preferred embodiment, the wall thickness of said first contraction flow region and second contraction flow region is 0.1～0.2mm, and said first wall thickness facial and said second face is 0.4～0.6mm.
In another preferred embodiment; The wall thickness that said first contraction flow region is positioned at the said first protruding wall place and the 3rd protruding wall place is 0.1～0.2mm; The wall thickness that said second contraction flow region is positioned at the second protruding wall place and the 4th protruding wall place is 0.1～0.2mm; Said first contraction flow region and second contraction flow region are positioned at the wall thickness of the said the first side wall place and second side-walls all greater than 0.2mm and less than 0.4mm, and the wall thickness at other positions of said body is 0.4～0.6mm.
Further; Like claim 1,2 or 3 described infusion vessels; It is characterized in that said bottom has the first limit wing and the second limit wing, the angle between the angle between the said first limit wing and the first side wall and the said second limit wing and second sidewall is all greater than 90 degree and less than 150 degree.Preferably, said angle is approximately 120 degree.
Preferable, the said first protruding wall and the second protruding wall symmetry, the said the 3rd protruding wall and the 4th protruding wall symmetry.Further, the length of said body cross section and wide ratio be more than or equal to 2, and be less than or equal to 4.Preferably, said infusion vessel is processed by polypropylene.
The infusion vessel according to the present invention has successfully been realized the soft bag of the seamless transparent polypropylene of blow molding (PP) plastic infusion, has the output height; Qualification rate is high; Weight is lighter, low cost and other advantages, and do not need exhaust needle when using; Can reach the result of use of soft bag with the liquid in the container with constant speed discharge from container stably substantially.Owing to be the integrally blow container for moulding, there is not the defective of non-PVC-soft-bag leakage, obtain the certainly row effect the same with non-PVC-soft-bag.
Description of drawings
Fig. 1 is the front view of infusion vessel of the present invention;
Fig. 2 is the sectional view along the sidewall axis of infusion vessel of the present invention;
Fig. 3 is the cross-sectional view of the body of infusion vessel of the present invention;
Fig. 4 a is infusion vessel of the present invention inverted side view when not charging into any liquid;
Fig. 4 b is infusion vessel of the present invention inverted side view when charging into liquid;
Fig. 4 c is the state diagram of infusion vessel of the present invention with liquid output;
Fig. 4 d is the state diagram after liquid output finishes in the infusion vessel of the present invention;
Fig. 5 is the angle sketch map between the infusion vessel bottom sides wing of the present invention and the body sidewall;
Fig. 6 is a plastic infusion bottle transfusion speed change curve in the prior art;
Fig. 7 is a non-PVC-soft-bag transfusion speed change curve in the prior art;
Fig. 8 is the transfusion speed change curve of infusion vessel of the present invention.
The specific embodiment
Below will combine different embodiments of the invention described.Those skilled in the art just can not know and can realize technical characterictic of the present invention and goal of the invention through multiple different alternate embodiments through creative work, therefore, below described embodiment only be descriptive and nonrestrictive.
With reference to Fig. 1, Fig. 2 and Fig. 3.The flexible flat bag-like container that infusion vessel provided by the invention is formed in one comprises: lead to the oral area 100 of internal tank, the body 200 that is connected with oral area 100, be connected with body 200 bottom 300.Body 200 comprises the first side wall 201 and second sidewall 202, and first facial 203 and second facial 204.Have the first protruding wall 205 and the second protruding wall 206 between oral area 100 and the body 200; Have the 3rd protruding wall 207 and the 4th protruding wall 208 between bottom 300 and the body 200; Between the first protruding wall 205, the first side wall 201 and the 3rd protruding wall 207, form successive first contraction flow region 209, between the second protruding wall 206, second sidewall 202 and the 4th protruding wall 208, form successive second contraction flow region 210.Can find out with reference to Fig. 4 a-d that further the wall thickness of first contraction flow region 209 and second contraction flow region 210 is thinner than other any positions of infusion vessel.During transfusion; The 3rd protruding wall 207 and the 4th protruding wall 208 are along with the continuous discharge of the liquid in the infusion vessel; Because first, second contraction flow region 209 and 210 wall thickness are thinner than other positions of infusion vessel, depress outside, wherein more be prone to contraction distortion naturally; Therefore then respectively along first contraction flow region 209 and the 210 inside basic synchronization ground contraction distortions of second contraction flow region, and respectively progressively to the first protruding wall 205 and second protruding wall 206 extensions.With reference to Fig. 4 c and Fig. 4 d, 204 in first facial 203 and second face can along with the continuous discharge of the liquid in the infusion vessel from the bottom 300 1 end 203a and 204a begins to be close together and extend to oral area 100 directions.With reference to Fig. 3, the length of body 200 cross sections and wide ratio are more than or equal to 2.As shown in the figure; Infusion vessel of the present invention is flat-shaped, the similar ellipse of the cross section of body 200, and the length of body 200 cross sections and wide ratio are more than or equal to 2; Can make container when contraction distortion; Shrink inwards along short-axis direction, and realize first facial 203 and second facial 204 applying, the liquid in the container can be flowed out fully.Further preferred; The length of body cross section and wide ratio be more than or equal to 2, and be less than or equal to 4, can more effectively realize the contraction distortion of infusion vessel like this; Make first facial 203 and second facial 204 to fit more fully, so that the liquid in the container is discharged.Preferable, infusion vessel is processed by polypropylene.
In a further preferred embodiment, the wall thickness of first contraction flow region 209 and second contraction flow region 210 is 0.1～0.2mm, and first facial 203 and second facial 204 wall thickness is 0.2～0.6mm.Because first contraction flow region 209 and second contraction flow region 210 are thinner than first facial 203 and second facial 204; And adopt the wall thickness of infusion vessel of the present invention; Can realize effectively, preferably that first contraction flow region 209 and second contraction flow region 210 are prior to first facial 203 and second facial 204 contraction distortions; Thereby realize first facial 203 and second facial 204 applying effectively, so that the liquid in the infusion vessel is discharged comparatively fully.According to infusion vessel of the present invention, the wall thickness design of body comprises and the design of Wall Thickness of facial and contraction flow region has realized this characteristic of flexible bag-like effectively.To the particular design of each position wall thickness, effectively realized from row function in addition.
In another preferred embodiment; The wall thickness that first contraction flow region 209 is positioned at the first protruding wall 209a of place and the 3rd protruding wall 209b of place is 0.1～0.2mm; The wall thickness that second contraction flow region 210 is positioned at the second protruding wall 210a of place and the 4th protruding wall 210b of place is 0.1～0.2mm; First contraction flow region 209 and second contraction flow region 210 are positioned at the wall thickness of the first side wall 201 209c of place and second sidewall, 202 210c of place all greater than 0.2mm and less than 0.4mm, and the wall thickness at body 200 other positions is 0.2～0.6mm.Because the wall thickness at the first contraction flow region 209a and 209b place is thinner than the 209c place; The second contraction flow region 210a and 210b place are thinner than the wall thickness at 210c place; Can realize effectively that infusion vessel begins the distortion contraction everywhere and extends to the first contraction flow region 209b place and the second contraction flow region 210b place always from the first contraction flow region 209a place and the second contraction flow region 210a; Thereby realize the applying of first facial 203 and second facial 204 maximum areas of body 200, fully the liquid in the infusion vessel is discharged.
Further, bottom 300 has the first limit wing 300a and the second limit wing 300b, and the angle between the angle between the first limit wing 300a and the first side wall 201 and the second limit wing 300b and second sidewall 202 is all greater than 90 degree and less than 150 degree.With reference to Fig. 5, preferred, angle is approximately 120 degree.Design according to the bottom of bag of the present invention shape infusion vessel; Help container to carry out contraction distortion from first contraction flow region 209 and second contraction flow region 210; Realize the applying of first facial 203 and second facial 204 maximum areas of body 200, fully the liquid in the infusion vessel is discharged.
Preferably; The first protruding wall 201 and second protruding wall 202 symmetries; The 3rd protruding wall 203 and the 4th protruding wall 204 symmetries; Realize that infusion vessel carries out contraction distortion equably along first contraction flow region 209 and second contraction flow region 210 effectively, thereby realize the applying of first facial 203 and second facial 204 maximum areas of body 200.Further, bottom 300 has a cylinder projection 301, can be used for welding hanging ring.
As stated, carry out the formulation of science according to the shape of infusion vessel of the present invention and the wall thickness at each position thereof, making infusion vessel is the bag-like container of a flexibility, thus contraction distortion in an orderly manner, the discharge opeing function of raising infusion vessel.
When using infusion vessel of the present invention, oral area 100 is suspended on certain height with infusion vessel down, the hollow needle of will infuse, and the plug through composite cover is inserted in the liquid, and the adjustment tapping valve arrives suitable position, causes the discharge opeing flow speed stability.Under the atmospheric effect in the external world, the infusion vessel short-axis direction begins to shrink to internal strain along first contraction flow region 209 and second contraction flow region 210, caves inward near bottom one end from body 200; Continuous discharge along with liquid; First facial 203 and second facial 204 of body 200 fits together gradually, and progressively to the expansion of oral area 100 1 ends, first facial 203 and second facial 204 fitting areas are increasing; After the liquid of container is all discharged, after the contraction distortion like the effect of Fig. 4 d.
Fig. 6 is a plastic infusion bottle transfusion speed change curve in the prior art, and Fig. 7 is a non-PVC-soft-bag transfusion speed change curve in the prior art.Fig. 6 and Fig. 7 all do the transfusion test with plastic infusion bottle and the 500ml non-PVC-soft-bag of 500ml, and infusion vessel is hung over identical height, use same tube for transfusion, measure the speed that liquid is discharged at the same time.As shown in Figure 5, can find rapid speed when plastic infusion bottle has just begun to infuse from measured data and transfusion speed change curve; After liquid was discharged about about 100ml, the velocity of discharge was relatively stable, but wave phenomenon appears in the centre; When liquid in container remains about 100ml left and right sides; The velocity of discharge obviously slows down, and has only about 60% of beginning, and the liquid required time that drains in the container is longer.As shown in Figure 6, non-PVC-soft-bag is discharged in the 100ml process at liquid, and speed is very fast relatively and stable, and discharge subsequently descends rapidly, and middle drain age velocity is stable, has only and is left in the container about about 20ml, and the velocity of discharge just obviously reduces.
Fig. 8 is the transfusion speed change curve of infusion vessel of the present invention.Test with the infusion vessel according to the present invention of 500ml equally, infusion vessel begins to discharge about about 250ml to liquid from discharge opeing, and this moment, the contraction distortion of container reached maximum; Drain age velocity is also along with increase; Thereafter steady gradually, just to the end during the surplus about 20ml of liquid in container, the velocity of discharge just obviously slows down; Used time of discharge opeing is minimum, drain age velocity constant substantially (as shown in Figure 8).
According to infusion vessel of the present invention, one of its maximum characteristics have realized that effectively infusion vessel is this characteristic of flexible bag-like; It two is particular design through each position wall thickness, has effectively realized single needle from row function, even the time spent does not need exhaust needle, just can the liquid in the container be discharged with constant speed substantially stably from container, reach the result of use of soft bag.Advantages such as infusion vessel of the present invention has the output height, and qualification rate is high, and weight is lighter, and production cost is low.
In above-mentioned description, new characteristic of the present invention and advantage are fully disclosed.Yet this is open only to be illustrative in many aspects, rather than restrictive.On the basis disclosed herein, those skilled in the art can change on details or aspect the layout under the situation that does not exceed the scope of the invention fully, comprises the combination of various feature and advantage of the present invention or separately use.
Claims (6)
1. the infusion vessel of a bag shape, the flexible flat bag-like container that said infusion vessel is formed in one comprises: an oral area that leads to said internal tank; A body that is connected with said oral area, said body comprise the first side wall and second sidewall, and first facial and second face; A bottom that is connected with said body; Have the first protruding wall and the second protruding wall between said oral area and the said body; Have the 3rd protruding wall and the 4th protruding wall between said bottom and the said body; Between the said first protruding wall, said the first side wall and the said the 3rd protruding wall, form successive first contraction flow region; Between the said second protruding wall, said second sidewall and the said the 4th protruding wall, form successive second contraction flow region, the wall thickness of said first contraction flow region and said second contraction flow region is thinner than other positions of said infusion vessel; Said bottom has the first limit wing and the second limit wing, and the angle between the angle between the said first limit wing and the first side wall and the said second limit wing and second sidewall is all greater than 90 degree and less than 160 degree; The wall thickness of said first contraction flow region and second contraction flow region is 0.1～0.2mm, and said first wall thickness facial and said second face is 0.2～0.6mm; The said the 3rd protruding wall and the 4th protruding wall can be with the continuous discharge of the liquid in the said infusion vessel respectively along said first contraction flow region and the inside basic synchronization ground contraction distortions of said second contraction flow region; And progressively extend to the said first protruding wall and the said second protruding wall respectively, said first facial and said second face then can one end begins to be close together and to said oral area direction extension from said bottom along with the continuous discharge of liquid in the said infusion vessel.
2. infusion vessel as claimed in claim 1 is characterized in that, the said first protruding wall and the second protruding wall symmetry, the said the 3rd protruding wall and the 4th protruding wall symmetry.
3. infusion vessel as claimed in claim 2 is characterized in that, the length of said body cross section and wide ratio be more than or equal to 2, and is less than or equal to 4.
4. infusion vessel as claimed in claim 3 is characterized in that said infusion vessel is processed by polypropylene.
5. infusion vessel as claimed in claim 1 is characterized in that, but said bottom has the cylinder projection of a welding hanging ring.
6. infusion vessel as claimed in claim 1 is characterized in that, the angle between the angle between the said first limit wing and the first side wall and the said second limit wing and second sidewall all is about 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286202 CN102028622B (en) | 2010-09-19 | 2010-09-19 | Infusion container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286202 CN102028622B (en) | 2010-09-19 | 2010-09-19 | Infusion container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102028622A CN102028622A (en) | 2011-04-27 |
| CN102028622B true CN102028622B (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010286202 Expired - Fee Related CN102028622B (en) | 2010-09-19 | 2010-09-19 | Infusion container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102028622B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2877503A1 (en) * | 2012-02-17 | 2013-08-22 | Chongqing Lummy Pharmaceutical Co., Ltd. | Double-headed transfusion container |
| CN105500675A (en) * | 2014-09-24 | 2016-04-20 | 江西科伦药业有限公司 | Transfusion bag and production method thereof |
| WO2017039432A1 (en) * | 2015-08-28 | 2017-03-09 | N.V. Nutricia | Collapsible bottle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577858Y (en) * | 2002-10-31 | 2003-10-08 | 王步升 | Disposable infusion bag |
| CN2913189Y (en) * | 2006-01-16 | 2007-06-20 | 东莞佳鸿机械制造有限公司 | Thermoplastic material blow molding transfusion container |
| CN101658466A (en) * | 2009-09-08 | 2010-03-03 | 东莞佳鸿机械制造有限公司 | Infusion container |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7243787B2 (en) * | 2003-03-26 | 2007-07-17 | Nipro Corporation | Medicine bag |
| CN101229097A (en) * | 2008-01-14 | 2008-07-30 | 沈阳沃特药用包材科技有限公司 | Blow molding medical bag and preparing method thereof |
| KR100946349B1 (en) * | 2008-03-28 | 2010-03-08 | 이영옥 | Bag for containing medical solution |
| JP3150696U (en) * | 2009-03-10 | 2009-05-28 | 学校法人産業医科大学 | Fixative bag |
| CN101554496A (en) * | 2009-05-12 | 2009-10-14 | 湖南千山制药机械股份有限公司 | Packaging container for infusion |
| CN101617988B (en) * | 2009-06-22 | 2012-12-05 | 湖南康源制药有限公司 | Inverted double-valve sterile soft bag transfusion package |
-
2010
- 2010-09-19 CN CN 201010286202 patent/CN102028622B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577858Y (en) * | 2002-10-31 | 2003-10-08 | 王步升 | Disposable infusion bag |
| CN2913189Y (en) * | 2006-01-16 | 2007-06-20 | 东莞佳鸿机械制造有限公司 | Thermoplastic material blow molding transfusion container |
| CN101658466A (en) * | 2009-09-08 | 2010-03-03 | 东莞佳鸿机械制造有限公司 | Infusion container |
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| Publication number | Publication date |
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| CN102028622A (en) | 2011-04-27 |
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