CN101229097A - Blow molding medical bag and preparing method thereof - Google Patents
Blow molding medical bag and preparing method thereof Download PDFInfo
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- CN101229097A CN101229097A CNA2008100006591A CN200810000659A CN101229097A CN 101229097 A CN101229097 A CN 101229097A CN A2008100006591 A CNA2008100006591 A CN A2008100006591A CN 200810000659 A CN200810000659 A CN 200810000659A CN 101229097 A CN101229097 A CN 101229097A
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Abstract
The invention relates to a blow molding medical bag and a preparation method thereof. The blow molding medical bag includes a bag body. One end of the bag body is provided with a convex filling opening and the other end is provided with a lifting ring. The bag body, the filling opening and the lifting ring form an integral structure. The preparation method includes: taking medical polythene, medical polypropylene or medical modified-polypropylene as the raw materials and adopting a hollow blow molding method and a hollow blowing device to carry out one-time blow molding on the medical polythene, the medical polypropylene or the medical modified-polypropylene to acquire the blow molding medical bag. The blow molding medical bag has the advantages of reasonable structure, being convenient for mechanized filling and packaging, effectively preventing a loaded liquid from leaking and divulging. The invention can not only ensure the pollution free property during the filling and packaging processes, but also realize high speed manufacture with low cost, thus solving a plurality of defects existed in the existing perfusion bag of non PVC materials and polypropylene perfusion bottle. The preparation method can realize industrialized and mechanized manufacture and automatic filling and has the advantages of low cost and high output.
Description
Technical field
The invention belongs to the plastic package material and the product technique field of medical infusion products, be specifically related to the method that a kind of alternative non-PVC film is made the blow molding medical bag of transfusion flexible bag and prepared this blow molding medical bag.
Background technology
China produces about tens00000000 bottles of transfusion at present per year, and the overwhelming majority is a vial, and fraction is a plastic bottle, but there are common defects such as in use easily contaminated in vial and plastic bottle packing transfusion, bring potential hidden danger to clinical application.The packed transfusion of plastics at present is easy because of its manufacturings, and the production floor space is little, and is in light weight, withstand voltage, convenient transportation, but many advantages such as pollute less when fast infusion and infusion, develop comparatively rapid.The originally domestic plastic infusion bag overwhelming majority is the polyvinylchloride material, because it exists a lot of shortcomings and quality stable inadequately, National Drug Administration explicit order must not use.At present, the infusion products of medical plastic packing all is the soft bag of being made by non-PVC film and uses the bottle of moulding firmly of pp material production to constitute on the China market, this two kinds of medical plastics packing is in light weight with it, good toughness, be difficult for broken, be convenient to transport, be difficult for producing harmful microgranule, replacing vial fast becomes the leading role of transfusion development from now on, simultaneously, the soft bag that non-PVC film is made is progressively substituting polypropylene and is moulding bottle firmly, become the main flow packing of transfusion in the future, but above-mentioned two kinds of plastics package forms all exist different weakness.
The film material overwhelming majority that present domestic manufacturing non-PVC-soft-bag uses is all from the import of Cryovac company, price is very expensive, the production cost height, German and domestic have several producers producing, but the membrane material amount of producing also not exclusively reaches a standard, mainly show manufacturing condition requirement harshness, finished product leakage rate height, poor toughness, easily broken.Therefore Cryovac company monopolizing the market and the price of Chinese non-PVC film material, make domestic non-PVC-soft-bag transfusion manufacturing firm cost can not be in any more.Simultaneously, in the bag process, bag perimeter is comprehensive welding, the tailing that produces can not be recycled again, but also will make interface separately, go up with composite cover, down and a bag film weld, when interface welds with the bag film, two problems usually can appear, the one, on the interface about when two wing tips and film welding, be prone to little seepage; The 2nd, when filling exit pipe and film welding, easily caused weldering, the film-strength that is welded on the interface is reduced, through storage after a while, easily cause seepage.In addition, infusion products is introduced interface and is welded in manufacture process, has increased once the pollution probability to medicine.
The transparent bottle of moulding by the pp material manufacturing salable is in the market infused, and link is too many on manufacturing technology, need purchase the injection mold of injection machine and several specifications and the blow mold of several specifications.Production process will be made bottle base earlier, stored 5-12 hour, and then go up the professional bottle blowing machine of making after heating, use the high pressure air blow molding, finally also will make suspension ring, burn-on at afterbody, manufacture process will be finished on three machines, very loaded down with trivial details, the infusion bottle of packing medicine is handled bad on each production link, all can cause the pollution to medicine.Once input is very big, the manufacturing cost height.In addition, plastic bottle needs aerofluxus in use, easily causes secondary pollution.
Summary of the invention
The purpose of this invention is to provide a kind of rational in infrastructure, make things convenient for mechanization bag, fill and encapsulation, effectively stop the blow molding medical bag of loading liquid seepage and leakage, it can either guarantee the pollution-free performance of bag, fill and infusion process, can realize low-cost high-speed production again, solve many defectives that existing non-PVC material transfusion bag and polypropylene infusion bottle exist.
Another object of the present invention is to provide a kind of preparation method of blow molding medical bag, it can realize industrialization and mechanization production and auto-filling, has the advantage of low-cost and high yield.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of blow molding medical bag is characterized in that described medical bag comprises bag, and bag is provided with the filling exit and the suspension ring of protrusion, described bag, filling exit and the suspension ring structure that is formed in one.
Concretely, described medicinal bag is a flat structure, and the thickness of described bag wall evenly is provided with.
The tubulose filling exit that protrusion is arranged on the bag, filling exit are arranged on an end of bag.
The pipe thickness of described tubulose filling exit is greater than the thickness of bag, and the terminal edge of fill filling exit is provided with outward extending annular boss.
Described suspension ring are the plates of bag one end, on the described plates lifting hole(eyelet) are set.
Described filling exit is one or two tubular body that is arranged on the same end of bag, two the adjacent bag relative with suspension ring one ends that are arranged on of tubular body.
The preparation method of above-mentioned blow molding medical bag, it is characterized in that described preparation method comprises: with the medical grade plastics is raw material, adopt hollow blow molding method and hollow blow molding equipment, the medical grade plastic raw materials is carried out a blow molding, obtain this blow molding medical bag.
The bag minimum thickness of described blow molding medical bag is 0.1mm.
Described medical grade plastics are medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene.
This blow molding medical bag has overcome the deficiency of polypropylene plastics bottle and two kinds of packings of non-PVC material transfusion bag, and successfully absorbed the two advantage, promptly guaranteed product quality, broken through the bottleneck of cost again, no longer tightly rely on external medical package material, walked out the way of a suitable Chinese market.The hollow blow molding technology is adopted in the manufacturing of this blow molding medical bag, the developing history of the existing last 100 years of hollow blow molding technology, technology maturation, equipment price are not high, technology is simple and direct, stable and reliable operation, cooperate with mould, can be with bag and interface, suspension ring disposal molding, form a complete soft bag constructions except that the composite cover that seals, avoided the welding once more leakage and the pollution problem that cause of non-PVC-soft-bag and interface.Employed raw material is the medical grade plastics, comprise medical grade modified polypropene, medical grade polypropylene or medical grade polyethylene, stable and reliable for performance, good with the medicine intermiscibility, good moldability on equipment, needed process conditions are loose, because the raw material self characteristics even thickness has only ten, also is difficult for being punctured, scratching by sharp weapon, toughness and elasticity are splendid, and price is far below non-PVC film.
This blow molding medical bag is in manufacture process, bag-fill-heat-sealing mouth is also finished on same machine, flow process is short, the pollution probability that medicine is subjected to is compared equally little with non-PVC-soft-bag, pollution probability has been dropped to minimum, the same with non-PVC-soft-bag in use needn't aerofluxus, avoided secondary pollution.Bonding area has only 5% of non-PVC-soft-bag, therefore for leak rate can greatly reduce.Good toughness, in light weight, non-friable is convenient to transportation simultaneously.A little clout that produces during bag can be recycled and easy-to-leak liquid not again, with the advantage of producing plastic bottle is the same, but needn't be as producing plastic bottle, need to buy the equipment of mould, injection machine and the weldering suspension ring of making bottle base, many manpowers have also been saved, greatly reduce production cost, the product percent of pass height.The tubulose filling exit of this blow molding medical bag is more conducive to machinery and automatization's canning line operation in addition, and its filling exit structure of while also is beneficial to mechanization and seals.
Beneficial effect of the present invention is, this blow molding medical bag is rational in infrastructure, make things convenient for mechanization fill and encapsulation, effectively stop loading liquid seepage and leakage, it can either guarantee the pollution-free performance of fill and infusion process, can realize low-cost high-speed production again, solve many defectives that existing non-PVC material transfusion bag and polypropylene infusion bottle exist.The preparation method of this blow molding medical bag can realize industrialization and mechanization production and auto-filling, has the advantage of low-cost and high yield.
Description of drawings
The invention will be further elaborated below in conjunction with the drawings and specific embodiments,
Fig. 1 is the part section structural representation that the present invention executes example 1;
Fig. 2 is the part section structural representation of the embodiment of the invention 2;
Fig. 3 is the structural representation of the embodiment of the invention 3;
Fig. 4 is the structural representation of this utility model embodiment 3.
The specific embodiment
Embodiment 1 is as Fig. 1, the bag of this blow molding medical bag, filling exit and the suspension ring structure that is formed in one.The bag 3 of blow molding medical bag is flat soft body structure, the edge of bag is an arc, the thickness of bag wall is even, one end of bag is provided with the filling exit 2 of protrusion, filling exit is a tubular body, the pipe thickness of this tubular body is greater than the thickness of bag, and the terminal edge of filling exit is provided with outward extending annular boss 1.Suspension ring are and the integrated plates 4 of bag that plates are arranged on the bag end relative with filling exit, offer through hole 5 on the plates.
This blow molding medical bag is with medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene, adopt hollow blow molding method and hollow blow molding equipment, the medical grade polypropylene raw material is carried out a blow molding, obtain this blow molding medical bag, the bag minimum thickness is 0.1mm.
This blow molding medical bag medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene, adopt hollow blow molding method and hollow blow molding equipment, medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene raw material are carried out a blow molding, obtain this blow molding medical bag, the bag minimum thickness is about 0.15mm.
The preparation method of this blow molding medical bag is with embodiment 1, and the raw material of employing is medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene, and the minimum thickness of bag is 0.1mm.
The preparation method of this blow molding medical bag is with embodiment 1, and the raw material of employing is medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene, and the minimum thickness of bag is 0.15mm.
Claims (9)
1. a blow molding medical bag is characterized in that described medical bag comprises bag, and bag is provided with the filling exit and the suspension ring of protrusion, described bag, filling exit and the suspension ring structure that is formed in one.
2. blow molding medical bag according to claim 1 is characterized in that described medicinal bag is a flat structure, and the thickness of described bag wall evenly is provided with.
3. blow molding medical bag according to claim 1 is characterized in that having on the bag tubulose filling exit of protrusion, and filling exit is arranged on an end of bag.
4. blow molding medical bag according to claim 3 is characterized in that the thickness of the pipe thickness of described tubulose filling exit greater than bag, and the terminal edge of fill filling exit is provided with outward extending annular boss.
5. blow molding medical bag according to claim 1 is characterized in that described suspension ring are the plates of bag one end, are provided with lifting hole(eyelet) on the described plates.
6. blow molding medical bag according to claim 1 is characterized in that described filling exit is one or two tubular body that is arranged on the same end of bag, two the adjacent bag relative with suspension ring one ends that are arranged on of tubular body.
7. the preparation method of the described blow molding medical bag of claim 1, it is characterized in that described preparation method comprises: with the medical grade plastics is raw material, adopt hollow blow molding method and hollow blow molding equipment, the medical grade plastic raw materials is carried out a blow molding, obtain this blow molding medical bag.
8. the preparation method of blow molding medical bag according to claim 7, the bag minimum thickness that it is characterized in that described blow molding medical bag is 0.1mm.
9. the preparation method of blow molding medical bag according to claim 7 is characterized in that described medical grade plastics are medical grade polyethylene, medical grade polypropylene or medical grade modified polypropene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100006591A CN101229097A (en) | 2008-01-14 | 2008-01-14 | Blow molding medical bag and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100006591A CN101229097A (en) | 2008-01-14 | 2008-01-14 | Blow molding medical bag and preparing method thereof |
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| CN101229097A true CN101229097A (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100006591A Pending CN101229097A (en) | 2008-01-14 | 2008-01-14 | Blow molding medical bag and preparing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102018623A (en) * | 2009-09-23 | 2011-04-20 | 辽宁九洲龙跃药业有限公司 | Blow molded medical bag and preparation method thereof |
| CN102028622A (en) * | 2010-09-19 | 2011-04-27 | 东莞佳鸿机械制造有限公司 | Infusion container |
| CN102429819A (en) * | 2011-12-19 | 2012-05-02 | 东莞佳鸿机械制造有限公司 | Transfusion container with two openings |
| CN102488618A (en) * | 2011-12-19 | 2012-06-13 | 东莞佳鸿机械制造有限公司 | Pipe blank for double-port infusion container |
| CN102784057A (en) * | 2011-05-18 | 2012-11-21 | 罗清 | Polypropylene blowing infusion bags and manufacturing process thereof |
| CN106691517A (en) * | 2017-03-06 | 2017-05-24 | 成都五义医疗科技有限公司 | Overall blow molding sample bag and object taking instrument |
-
2008
- 2008-01-14 CN CNA2008100006591A patent/CN101229097A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102018623A (en) * | 2009-09-23 | 2011-04-20 | 辽宁九洲龙跃药业有限公司 | Blow molded medical bag and preparation method thereof |
| CN102018623B (en) * | 2009-09-23 | 2014-09-03 | 辽宁九洲龙跃药业有限公司 | Blow molded medical bag and preparation method thereof |
| CN102028622A (en) * | 2010-09-19 | 2011-04-27 | 东莞佳鸿机械制造有限公司 | Infusion container |
| CN102784057A (en) * | 2011-05-18 | 2012-11-21 | 罗清 | Polypropylene blowing infusion bags and manufacturing process thereof |
| CN102429819A (en) * | 2011-12-19 | 2012-05-02 | 东莞佳鸿机械制造有限公司 | Transfusion container with two openings |
| CN102488618A (en) * | 2011-12-19 | 2012-06-13 | 东莞佳鸿机械制造有限公司 | Pipe blank for double-port infusion container |
| CN106691517A (en) * | 2017-03-06 | 2017-05-24 | 成都五义医疗科技有限公司 | Overall blow molding sample bag and object taking instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: LIAONING JIUZHOU LONGYUE MEDICINE CO., LTD. Free format text: FORMER OWNER: SHENYANG WALT MEDICINE PACKING SCIENCE CO., LTD. Effective date: 20100122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20100122 Address after: Room 1802, block A, King Wang International Club, No. 19 art road, Shenhe District, Liaoning, Shenyang Applicant after: Liaoning N.C. Dragon Pharmaceutical Co., Ltd. Address before: Shenyang City, Yu Tuo, Liaozhong County, Liaoning Province town of Taiping Village Applicant before: Shenyang Wote Medicinal Packaging Technology Co., Ltd. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20080730 |