CN103519991A - Novel plastic infusion bag and manufacturing method thereof - Google Patents
Novel plastic infusion bag and manufacturing method thereof Download PDFInfo
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- CN103519991A CN103519991A CN201310474773.9A CN201310474773A CN103519991A CN 103519991 A CN103519991 A CN 103519991A CN 201310474773 A CN201310474773 A CN 201310474773A CN 103519991 A CN103519991 A CN 103519991A
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Abstract
The invention discloses a novel plastic infusion bag and a manufacturing method of the novel plastic infusion bag. The novel plastic infusion bag comprises a bag body, an infusion bag opening and a hanging structure, wherein the infusion bag opening and the hanging structure are connected with the two ends of the bag body respectively,. The bag body is of a flat shape in the state of being filled with liquid medicine, that is to say, the width of the bag body is larger than the thickness of the bag body when the bag body is on a cross section perpendicular to a connecting line of the infusion bag opening and the hanging structure. Guide ribs are symmetrically arranged on thickness surfaces on the two sides of the bag body. In the infusion process, the bag body can deform along the guide ribs on the two sides of the bag body so that serious deformation and distortion cannot occur, and safety and reliability in use are improved. The manufacturing process of the novel plastic infusion bag comprises the step of blowing the bag body to make the bag body be formed without soldering seal of four edges, so that the microleakage problem is solved; since all process steps are completed in one time period, time for storing the bag body is eliminated, and the possibility of pollution is reduced. The novel plastic infusion bag has the advantages of being capable of being emptied automatically without blood return, free of serious deformation and distortion, and capable of being placed in an upright mode when in use.
Description
Technical field
The present invention relates to a kind of container filling of medical liquid medicine, be specifically related to a kind of novel plastic transfusion bag and manufacture method thereof.
Background technology
At present, Medical transfusion container mainly contains several conventional types such as vial, plastic bottle and soft plastic bag.
Vial has good transparency, the compatibility, heat stability, anti-extrusion deformation and the gas barrier properties that blocks water.These good performances make medical glass infusion bottle obtain applying very widely.But in infusion process, need not cracked ends vent line to introduce air in vial, just can make transfusion continue to carry out smoothly.Therefore because needs are introduced air in bottle, airborne dust, microorganism (as antibacterial, fungus etc.) can be entered in vial by return line, though through filtering, can not be completely isolated, thus the pollution of medicinal liquid caused, infusion safety is threatened; While adding long-time instillation of medicine (as oxidizable antibiotic, antitumor drug etc.), needs of some treatment use in medicinal liquid, medicine constantly contacts with air, produce volatilization and even produce chemical change, can cause that some drugs concentration and drug effect reduce and the property of medicine changes, curative effect is weakened.In addition, vial own wt is large, deposits and takes up room greatly; Easily the fragment breach after fragmentation and fragmentation is sharp, easily causes scuffing; Vial process for making is also a highly energy-consuming and the process that environment is had to larger pollution.
Duroplasts bottle has been compared basic improvement at the aspects such as energy-conserving and environment-protective of weight, crush resistance, manufacture process with vial, and also has the performance of certain anti-extrusion deformation, but because hardness is larger, still need to use vent line.So return-air is in use still unresolved to the pollution problem of medicinal liquid.
For the return-air solving in infusion process causes liquid medicine contamination, existing following special trip document has proposed solution: the patent documentation that is 01238227 as China Patent No. discloses a kind of patented technology of plastic soft transfusion bottle; The patent documentation that and for example China Patent No. is 02266022 discloses a kind of patented technology of self-drawn plastic infusion bottle.But the problem that above-mentioned two patents exist is to be still similar to duroplasts bottle in structure, make pressure in infusion process produce contrast and cause vein to return liquid blood back, make transfusion safe not.In addition, medicinal liquid cannot drain completely, in bottle, has residual liquor, causes waste.
On the basis of duroplasts bottle, the infusion vessel of the soft plastic bag that now grows up again, it had both possessed the above-mentioned advantage of duroplasts bottle, had overcome again the defect of the necessary equipment return-air structure of hardware plastic bottle.Because soft plastic bag in use, it is flat flat that after medicinal liquid reduces, outer atmospheric pressure just can make soft plastic bag generation, and transfusion is constantly carried out.Adopt the plastic package material of high-quality, its material self have the good transparency, with the compatibility of medicinal liquid, very low ventilative, water penetration, easy to use, therefore adopt flexible plastic medical infusion bags technology and manufacture the developing direction that new technology has represented Medical transfusion container.
The nineties is succeeded in developing, and accounts for now the non-PVC soft bag transfusion that transfusion deal in domestic market only has 5% left and right, the structure of employing be all generally two lamellar flexible plastic films are superimposed after, its edge adopts high temperature hot pressing sealing, makes its pouch.At edge weld place, still can not stop it and produce the problem of leaking.Due to the raw material that adopts flexible plastic film as transfusion bag, it is expensive, and the cost of raw material is high.Separately because of it, can not vertical type put and to medical personnel, bring the reasons such as operation inconvenience, restricted the advantage of this product.
The applicant's a patent name is: medical infusion soft bag; The patent No. is: 200720043808.3 utility model patent, disclose a kind of transfusion bag body structure that is flat under full liquid status, mainly reached after infusion-completed, transfusion flexible bag can be completely flat flat, avoid producing the phenomenon of blood back, the safety while effectively raising transfusion.But in the process of using in reality, find, this transfusion bag body there will be gross distortion distortion while reducing along with liquid in bag, and security performance when it uses still exists certain space of improving.
Chinese patent discloses " a kind of medical infusion soft bag and manufacture method thereof and method for shaping " for No. 200710134792.1, and it has following deficiency: transfusion bag mouth coordinates the polypropylene combination cover with outsourcing, fusing point and bag material are not quite identical, take to carve to check its sealing by fusing effect; In transfusion bag raw material, be added with toughened plastics, price is high, and safe controllability is low; The ratio of the width of transfusion bag and thickness be more than or equal to 3 can affect medicinal liquid from emptying performance; Transfusion bag side is smooth curved surface circular arc, be unfavorable for medicinal liquid from emptying; Transfusion bag body is flexible plastic, and the dies cavity that transfusion bag body is placed on to respective shapes obtains sizing; Draw-ring type polypropylene combination cover, there will be draw ring easily broken, be difficult to pull open, during sterilizing, draw ring place water vapour easily infiltrates, and pollutes; Simultaneously the one-step method of its production technology (note stretch blow, only for bag, do not comprise composite cover) or two step method (injection, bag) all comparatively complexity and easy infection foreign body.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of simple in structure, low cost of manufacture is provided, can allows transfusion bag need not add air inlet needle when transfusion, during with non-air admission type transfusion needle transfusion, completely can be from emptying and can blood back, bag shape does not have compared with gross distortion yet and can stablize novel plastic transfusion bag and the manufacture method thereof of standing.
A kind of novel plastic transfusion bag, comprise bag, the transfusion bag mouth and the suspended structure that are connected respectively with bag two ends, described bag is flat filling under the state of medicinal liquid, and, on the cross section of vertical and transfusion bag mouth and suspended structure line, the width of bag is greater than thickness; On the thickness face of described bag both sides, be arranged with guiding rib.
Further improvement as technique scheme:
Described guiding rib is groove parabolic shape.
Further improvement as technique scheme:
The bag shoulder of described bag is smooth arc transition.
Further improvement as technique scheme:
The material of described bag is rigid plastics.
Further improvement as technique scheme:
The width of described bag is more than or equal to 2 with the ratio of thickness.
Further improvement as technique scheme:
It is 1:1.0-1:1.7 that the liquid of described bag takes up room with the ratio of reserving dosing space;
Preferably,
Bag width is 2 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.5 or 1.6 or 1.7;
Bag width is 3 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.3 or 1.4 or 1.5;
Bag width is 4 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.1 or 1.2 or 1.3.
Further improvement as technique scheme:
At described transfusion bag mouth, place is provided with material with the inner sealing lid of bag;
Preferably,
Described inner sealing lid cover port is provided with rubber cushion, and lid is covered with easily tore film outward.
Further improvement as technique scheme:
The wall thickness of described bag is thicker than conventional bag.
A manufacture method for novel plastic transfusion bag, concrete steps are:
One, bag is prepared burden, first one-step forming;
Two, by the bag blow molding after first one-step forming;
Three, guiding rib is packed into bag sidewall;
Four, the bag after molding is cleaned and dried up;
Five, liquid drug;
Six, inner sealing lid is welded in to transfusion bag mouth place;
Seven, be delivered to and in Wan Ji clean room, carry out enclosing cover sealing.
Further improvement as technique scheme:
Above-mentioned steps completed a time cycle.
Further improvement as technique scheme:
The mode that dries up in above-mentioned steps four is for utilizing ion wind to dry up.
Structural advantage of the present invention is: 1, when transfusion, can realize bag from emptying and can blood back.2, in infusion process, bag can be out of shape along guiding rib along its both sides, there will not be gross distortion distortion, has improved the security reliability of using.3, can uprightly put, meet hospital's use habit.4, owing to not adopting vent line, so there is not the pollution problem of return-air to medicinal liquid.
Process advantage of the present invention is: the present invention adopts the inner cap with material, integrated injection molding sealing, and fusing point is identical, and sealing by fusing is effective, and equipment operating is easily debugged, and has increased the stability of producing; Virgin pp material, low price, safe controllability is high; The width of transfusion bag body of the present invention is less than 3 with the ratio of thickness; except width and Thickness Ratio; also increasing liquid takes up room and reserves dosing space ratio; liquid take up room with reserve dosing space compare infusion solutions from emptying very important; on the thickness face of bag of the present invention both sides, be arranged with guiding rib; described guiding rib is groove parabolic shape, is beneficial to medicinal liquid and discharges during transfusion; The present invention is rigid plastics, and without shaping by sterilizing, bag is not yielding, is easy to transfusion bag and stores; Bag can uprightly be put, and is beneficial to nurse operation dosing; Adhesive film type composite cover of the present invention, there will not be draw ring easily broken, be difficult to pull open, during sterilizing, draw ring place water vapour easily infiltrates, and pollutes Similar Problems; The molding of one-step method one extrusion molding, need not seal in four side welds, has solved micro-leakage problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
The specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples are only for the present invention is described but not for limiting the scope of the invention.
Referring to Fig. 1, novel plastic transfusion bag provided by the invention, regular size has 100ml, 250ml, 500ml, and other specification is also suitable for inventive concept and technical scheme proposed by the invention completely certainly.
Described novel plastic transfusion bag comprises the bag 1 that adopts rigid plastics made, transfusion bag mouth 2 and the suspended structure 3 being connected respectively with bag 1 two ends, described bag 1 is flat filling under the state of medicinal liquid, on the cross section of vertical and transfusion bag mouth 2 and suspended structure 3 lines, the width of bag 1 is greater than thickness, the object of this kind of structural design is, can be beneficial to atmospheric pressure effect, increase lifting surface area, be beneficial to assurance medicinal liquid and discharge smoothly; The bag shoulder of described bag 1 is smooth arc transition 4, guarantees can not be detained medicinal liquid when transfusion.
In the specific implementation, the width of described bag 1 is generally got and is more than or equal to 2 with the ratio of thickness, and it is 3,4,5 that suggestion adopts this ratio, ratio is larger, the effect of bag 1 when transfusion is better, but because meeting obviously increases the width of bag 1, so need make corresponding adjustment according to actual service condition.
In order to solve the problem existing at the described current known technology of this description background technology part and to overcome its defect, guarantee in infusion process, bag 1 there will not be gross distortion distortion, the technical scheme that the present invention takes is: as shown in Figure 1, on the thickness face of bag 1 both sides, be arranged with and be the parabolic guiding rib 5 of groove, in infusion process, bag 1 can become flat gradually, reach while stablizing and can maintain transfusion bag internal pressure substantially constant, thereby transfusion speed substantially constant is until transfusion end, can realize vertical type puts simultaneously, meet hospital's use habit.
The present invention is in order further to improve its structure, and structure of the present invention in the specific implementation, can also, on above-described technical scheme basis, adopt the following examples:
It is 1:1.0-1:1.7 that the liquid of described bag 1 takes up room with the ratio of reserving dosing space.
In the specific implementation:
Pressure difference in change while having guaranteed transfusion in bag can be not excessive, adds the atmospheric squeezing action of outer bag wall, guarantees medicinal liquid energy all and discharge compared with constant speed.
Referring to Fig. 2, at described transfusion bag mouth, 2 places are provided with inner sealing lid 6, and the material of inner sealing lid 6 is the same with the material of bag 1, immediately injection molded on another equipment of same period, reduce the possibility of polluting, reduced again the probability of different material to liquid medicine contamination; Described inner sealing lid 6 cover ports are provided with rubber cushion 7, and lid is covered with easily tore film 8 outward, good seal performance not only, and be convenient to open and use; Described suspended structure 3 adopts suspension ring 9, during transfusion, by it, is realized and being hung.
The wall thickness of described bag 1 is thicker than conventional bag, can strengthen the ability of its resistance to deformation.
The present invention also provides the manufacture method of this novel plastic transfusion bag, and concrete steps are:
One, bag 1 is prepared burden, first one-step forming;
Two, by 1 blow molding of the bag after first one-step forming;
Three, guiding rib 5 is packed into bag 1 sidewall;
Four, the bag after molding 1 is cleaned, and dry up by ion wind, avoid Electrostatic Absorption;
Five, liquid drug;
Six, inner sealing lid is welded in to transfusion bag mouth 2 places;
Seven, be delivered to and in Wan Ji clean room, carry out enclosing cover sealing.
Above-mentioned steps need complete a time cycle, had stopped the bag resting period, had reduced the possibility of polluting.
Claims (10)
1. a novel plastic transfusion bag and manufacture method thereof, comprise bag, the transfusion bag mouth and the suspended structure that are connected respectively with bag two ends, described bag is flat filling under the state of medicinal liquid, on the cross section of vertical and transfusion bag mouth and suspended structure line, the width of bag is greater than thickness, it is characterized in that: on the thickness face of described bag both sides, be arranged with guiding rib.
2. a kind of novel plastic transfusion bag according to claim 1, is characterized in that: described guiding rib is groove parabolic shape.
3. according to a kind of novel plastic transfusion bag described in claim 1,2,3 or 4, it is characterized in that: the width of described bag is more than or equal to 2 with the ratio of thickness.
4. a kind of novel plastic transfusion bag according to claim 1, is characterized in that: it is 1:1.0-1:1.7 that the liquid of described bag takes up room with the ratio of reserving dosing space.
5. a kind of novel plastic transfusion bag according to claim 3, is characterized in that:
Bag width is 2 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.5 or 1.6 or 1.7;
Bag width is 3 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.3 or 1.4 or 1.5;
Bag width is 4 o'clock with the ratio of thickness, and liquid takes up room and reserves dosing space than being 1:1.1 or 1.2 or 1.3.
6. a kind of novel plastic transfusion bag according to claim 1, is characterized in that: at described transfusion bag mouth, place is provided with material with the inner sealing lid of bag.
7. a kind of novel plastic transfusion bag according to claim 6, is characterized in that: described inner sealing lid cover port is provided with rubber cushion, and lid is covered with easily tore film outward.
8. a manufacture method for novel plastic transfusion bag, is characterized in that:
Concrete steps are:
(1), bag is prepared burden, first one-step forming;
(2), by the bag blow molding after first one-step forming;
(3), guiding rib is packed into bag sidewall;
(4), the bag after molding is cleaned and dried up;
(5), liquid drug;
(6), inner sealing lid is welded in to transfusion bag mouth place;
(7), be delivered to and in Wan Ji clean room, carry out enclosing cover sealing.
9. the manufacture method of a kind of novel plastic transfusion bag according to claim 8, is characterized in that: above-mentioned steps completed a time cycle.
10. the manufacture method of a kind of novel plastic transfusion bag according to claim 8, is characterized in that: the mode that dries up in above-mentioned steps four is for utilizing ion wind to dry up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310474773.9A CN103519991A (en) | 2013-10-12 | 2013-10-12 | Novel plastic infusion bag and manufacturing method thereof |
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| CN201310474773.9A CN103519991A (en) | 2013-10-12 | 2013-10-12 | Novel plastic infusion bag and manufacturing method thereof |
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| CN103519991A true CN103519991A (en) | 2014-01-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103895213A (en) * | 2014-04-11 | 2014-07-02 | 安徽双鹤药业有限责任公司 | `Method for integrally manufacturing hanging ring and infusion bag and bottle blank injection mold used in method |
| CN104398382A (en) * | 2014-12-22 | 2015-03-11 | 高宏 | Soft infusion bottle capable of deforming automatically |
| CN105342850A (en) * | 2015-11-13 | 2016-02-24 | 重庆莱美药业股份有限公司 | Single-needle medicine mixing device, hard dual joint and infusion soft bag |
| CN106239872A (en) * | 2016-08-31 | 2016-12-21 | 安徽环球药业股份有限公司 | A kind of bed die guide rod preheating Bidirectional stretch blow moulding machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895213A (en) * | 2014-04-11 | 2014-07-02 | 安徽双鹤药业有限责任公司 | `Method for integrally manufacturing hanging ring and infusion bag and bottle blank injection mold used in method |
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| CN105342850A (en) * | 2015-11-13 | 2016-02-24 | 重庆莱美药业股份有限公司 | Single-needle medicine mixing device, hard dual joint and infusion soft bag |
| CN105342850B (en) * | 2015-11-13 | 2019-10-18 | 重庆莱美药业股份有限公司 | Single needle medicine mixer, hard double nip and transfusion flexible bag |
| CN106239872A (en) * | 2016-08-31 | 2016-12-21 | 安徽环球药业股份有限公司 | A kind of bed die guide rod preheating Bidirectional stretch blow moulding machine |
| CN106239872B (en) * | 2016-08-31 | 2018-09-04 | 安徽环球药业股份有限公司 | A kind of bed die guide rod of preheating Bidirectional stretch blow moulding machine |
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Application publication date: 20140122 |