CN102920602A - Elastic double-tube connector of soft bag for infusion - Google Patents
Elastic double-tube connector of soft bag for infusion Download PDFInfo
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- CN102920602A CN102920602A CN2011102297752A CN201110229775A CN102920602A CN 102920602 A CN102920602 A CN 102920602A CN 2011102297752 A CN2011102297752 A CN 2011102297752A CN 201110229775 A CN201110229775 A CN 201110229775A CN 102920602 A CN102920602 A CN 102920602A
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Abstract
The invention discloses an elastic double-tube connector of a soft bag for infusion. The elastic double-tube connector comprises an elastic connector A and an elastic connector B. Each of the elastic connector A and the elastic connector B comprises an upper port, an infusion passage and a tail lug. The elastic double-tube connector is characterized in that two ends of the infusion passages of the elastic connector A and the elastic connector B are connected with the corresponding upper ports and the corresponding tail lugs respectively; the cross section of the connecting end of each infusion passage and each tail lug is a circular, elliptical or diamond frame, wherein the end is the lower end of each infusion passage; the lower ends of the infusion passages of the elastic connector A and the elastic connector B are connected via a connecting piece; outer sides of the lower ends of the infusion passages of the elastic connector A and the elastic connector B are connected with the tail lugs; side walls of the lower ends of the infusion passages of the elastic connector A and the elastic connector B are elastic and deformable; and the elastic double-tube connector of the soft bag for infusion is an integrated component. During the heat sealing process for bag making, the lower ends of the two infusion passages deform into a straight line under extrusion of an upper mould and a lower mould, and rebound after bag making is finished. The elastic double-tube connector of the soft bag for infusion has the characteristics of high yield and convenience in positioning for bag making.
Description
Technical field
The invention belongs to field of medical products, more specifically relate to a kind of elastic double-joint unit of soft infusion bag.
Background technology
Soft bag infusion double nip now adopts the hard interface more, and the seam that is connected with transfusion bag is circle, ellipse or rhombus, and non-deformable, and the seam infusion channel is circular.Soft transfusion bag connector now is hard circle, ellipse or rhombus interface, for satisfying interface and the required precision of transfusion flexible bag connection request docking port is higher, otherwise the connectivity problems such as leakage can appear, so also higher to the mould and die accuracy requirement in the course of processing of interface, cause the infusion connector production cost very high; In be connected (being that hard circle, ellipse or rhombus interface are connected with the heat seal of transfusion flexible bag) process with soft bag, because interface is that hard is not yielding, so very high to the requirement on machining accuracy in the connection procedure, in the heat seal process, need repeatedly to connect and process in need mobilely, cause the efficient that connects and to be connected qualification rate lower; Interface is circle, ellipse or rhombus, and therefore with certain slope, the gradient more high finished product rate is lower.And the processing equipment cost of the double nip of hard and soft bag heat seal operation is higher.
Also have in addition the soft bag infusion double nip with flexible pipe, but this kind interface cost is higher.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of elastic double-joint unit of soft infusion bag, a kind of connectivity port elastically deformable, interface is easy to process, yield rate is high, cost is low, the two elastic interfaces of the easier soft bag infusion that is connected with transfusion flexible bag.
For achieving the above object, the technical solution adopted in the present invention is: a kind of elastic double-joint unit of soft infusion bag, comprise elastic interface A and elastic interface B, elastic interface A and elastic interface B comprise upper port, infusion channel and empennage, it is characterized in that, elastic interface A is connected the infusion channel two ends and is connected with empennage with corresponding upper port respectively with elastic interface B, the cross section of infusion channel and empennage link is circular, ellipse or diamond, this termination is the infusion channel lower end, connect by connecting wing between the infusion channel lower end of elastic interface A and elastic interface B, elastic interface A is connected the infusion channel lower end outside and is connected with empennage with elastic interface B, the sidewall of the infusion channel lower end of elastic interface A and elastic interface B is flexible, elastically deformable, the two elastic interfaces of this soft bag infusion are integrated member.
More excellent, described infusion channel lower end and empennage outer wall are provided with horizontal bar shaped leakproof projection, and the bar shaped leakproof projection that infusion channel lower end, empennage and connecting wing outer wall are connected is corresponding the connection mutually.
More excellent, described elastic interface A's is identical or different with elastic interface B upper port shape, elastic interface A is connected with respectively identical or different transfusion combined cover with upper port elastic interface B.
More excellent, place, two obtuse angles rounding of diamond when described infusion channel lower end is diamond.
After adopting technique scheme, its beneficial effect is: elastic double-joint unit is connected with the soft bag infusion bag with middle connecting wing by the empennage of its both sides, and the sidewall of the lower end of elastic interface A and elastic interface B is flexible, elastically deformable.For the production of the bag heat seal time under upper/lower die extruding, the cross section of two infusion channel lower ends is deformed into straight line simultaneously, when bag is finished again resilience near original shape, it is higher that elastic double-joint unit of soft infusion bag contrast hard interface has qualification rate, the bag location is convenient, can significantly reduce production costs when effectively reducing percolation ratio.The two hose connections of contrast have the identical function of double-hose soft bag transfusion, but can produce the double bimouth pipe soft bag infusion with the scrap build of single inlet pipe soft bag infusion, significantly reduce equipment investment.
Description of drawings
Fig. 1 is main TV structure sketch map of the present invention;
Fig. 2 is plan structure sketch map of the present invention;
Fig. 3 is side-looking structural representation of the present invention;
The specific embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of elastic double-joint unit of soft infusion bag, comprise elastic interface A6 and elastic interface B7, elastic interface comprises upper port 1, infusion channel 2 and empennage 3, it is characterized in that, elastic interface A6 is connected infusion channel 2 two ends and is connected with empennage with upper port 1 respectively and is connected with elastic interface B7, infusion channel 2 is circular with the cross section of empennage 3 links, ellipse or diamond, this termination is the infusion channel lower end 21 of infusion channel, connect by connecting wing 4 between the infusion channel lower end 21 of elastic interface A6 and elastic interface B7, elastic interface A6 is connected 21 outsides, infusion channel lower end and is connected with empennage 3 with elastic interface B7, the sidewall of the infusion channel lower end 21 of elastic interface A6 and elastic interface B7 is flexible, elastically deformable, the two elastic interfaces of this soft bag infusion are integrated member.
Infusion channel lower end 21 is provided with horizontal bar shaped leakproof projection 5 with empennage 3 outer walls, and infusion channel lower end 21, empennage 3 are connected with connecting wing mutual corresponding connection of bar shaped leakproof projection 5 on the outer wall; Elastic interface A6's is identical or different with elastic interface B7 upper port 1 shape, elastic interface A6 is connected with respectively identical or different transfusion combined cover with upper port 1 elastic interface B7; Infusion channel lower end 21 length equate with the width of empennage 3 and connecting wing 4; Place, two obtuse angles rounding of diamond when infusion channel lower end 21 is diamond; The infusion channel 2 that infusion channel lower end 21 and upper port are 1 is out of shape gradually.
Principle and beneficial effect: transfusion flexible bag divides three layers, is respectively outside extexine, middle tensile layer and inner theca interna, softly carries out heat seal with interface and the theca interna of transfusion flexible bag and is connected and prevents seepage.
Soft transfusion bag connector now is the hard interface, the infusion channel lower end 21 of hard interface is connected with the transfusion flexible bag heat seal, cooperates with heat-seal mould for convenient, and is higher to the required precision of hard interface, therefore cause the production difficulty of hard interface very large, and it is larger the waste product probability to occur.In hard interface and transfusion flexible bag heat seal connection procedure for guaranteeing that the sealing property that is connected need to carry out repeatedly heat and process and can produce movement, but since hard interface and transfusion flexible bag link be rhombus with the gradient, be difficult for guaranteeing that the junction is stressed evenly, produce a large amount of waste products.
And the two elastic interfaces of soft bag infusion provided by the invention, another is the drug interface for the dosing interface for one of elastic interface A6 and elastic interface B7, the two elastic interfaces of soft bag infusion and transfusion flexible bag link are that the sidewall of infusion channel lower end 21 and infusion channel lower end 21 is flexible, can flatten and recover, elastic double-joint unit is connected with the soft bag infusion bag with middle connecting wing 4 by the empennage 3 of its both sides, the two elastic interfaces of soft bag infusion during for the production of the bag heat seal under the upper/lower die extruding infusion channel lower end 21 be deformed into a line, when bag is finished again resilience be port, contrast hard interface qualification rate is higher, and the machine of the single elastic interface of heat seal more behind the mold exchange with regard to heat sealable pair of elastic interface, the heat seal operation requires to reduce to machinery, the mechanical replaceable mould of the single elastic interface of heat seal is with regard to heat sealable pair of elastic interface, reduce machine cost, also can reduce cost.Do not need high-precision extruding when the two elastic interfaces of soft bag infusion and transfusion flexible bag heat seal, working (machining) efficiency is higher, yield rate is higher; Required precision to the defeated biliquid elastic interface of soft bag reduces, and the production efficiency that has improved elastic joint of soft bag for infusion has also improved the yield rate of elastic joint of soft bag for infusion; It is raw materials used raw materials used well below existing hard double nip to produce the two elastic interfaces of soft bag infusion, has reduced production cost.Empennage 3 and connecting wing 4 have increased the connection area of interface and transfusion flexible bag simultaneously, make connection more firm, and it is tightr that bar shaped leakproof projection 5 makes infusion channel lower end 21 be connected with transfusion flexible bag, can effectively prevent the medicinal liquid seepage.
In sum, the infusion channel lower end 21 contrast hard port requirement on machining accuracy of the two elastic interfaces of this soft bag infusion are low, materials are few, production efficiency and yield rate have been improved, reduce production costs, and with the transfusion flexible bag connection procedure in, for the production of the bag heat seal time, can push infusion channel lower end 21 at upper/lower die and be deformed into a line, when bag is finished again resilience be port, contrast hard interface qualification rate is higher, the two hose connections of contrast have the identical function of double-hose soft bag transfusion, but can produce the double bimouth pipe soft bag infusion with the scrap build of single inlet pipe soft bag infusion, significantly reduce equipment investment.Elastic interface A6 from elastic interface B7 upper port 1 shape can be different; above them respectively by being welded to connect identical or different transfusion combined cover; realize that clinically dosing and transfusion separate; so that dosing no longer needs sterilized cotton ball protection to the transfusion period; and it is convenient to have the bag location; materials are few, significantly reduce production costs when can effectively reduce percolation ratio.
Above-described only is preferred implementation of the present invention, should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (4)
1. elastic double-joint unit of soft infusion bag, comprise elastic interface A and elastic interface B, elastic interface A and elastic interface B comprise upper port, infusion channel and empennage, it is characterized in that, elastic interface A is connected the infusion channel two ends and is connected with empennage with corresponding upper port respectively with elastic interface B, the cross section of infusion channel and empennage link is circular, ellipse or diamond, this termination is the infusion channel lower end, connect by connecting wing between the infusion channel lower end of elastic interface A and elastic interface B, elastic interface A is connected the infusion channel lower end outside and is connected with empennage with elastic interface B, the sidewall of the infusion channel lower end of elastic interface A and elastic interface B is flexible, elastically deformable, the two elastic interfaces of this soft bag infusion are integrated member.
2. a kind of elastic double-joint unit of soft infusion bag according to claim 1, it is characterized in that, described infusion channel lower end and empennage outer wall are provided with horizontal bar shaped leakproof projection, and the bar shaped leakproof projection that infusion channel lower end, empennage and connecting wing outer wall are connected is corresponding the connection mutually.
3. a kind of elastic double-joint unit of soft infusion bag according to claim 2, it is characterized in that, described elastic interface A's is identical or different with elastic interface B upper port shape, elastic interface A is connected with respectively identical or different transfusion combined cover with upper port elastic interface B.
4. a kind of elastic double-joint unit of soft infusion bag according to claim 3 is characterized in that, place, two obtuse angles rounding of diamond when described infusion channel lower end is diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102297752A CN102920602A (en) | 2011-08-08 | 2011-08-08 | Elastic double-tube connector of soft bag for infusion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102297752A CN102920602A (en) | 2011-08-08 | 2011-08-08 | Elastic double-tube connector of soft bag for infusion |
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| CN102920602A true CN102920602A (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102297752A Pending CN102920602A (en) | 2011-08-08 | 2011-08-08 | Elastic double-tube connector of soft bag for infusion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291418A (en) * | 2015-11-23 | 2016-02-03 | 湖南科伦制药有限公司 | Welding die, welding device and die installation method of double-pipe-opening transfusion bag |
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Application publication date: 20130213 |