CN102499887A - Transfusion soft bag - Google Patents
Transfusion soft bag Download PDFInfo
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- CN102499887A CN102499887A CN2011103346879A CN201110334687A CN102499887A CN 102499887 A CN102499887 A CN 102499887A CN 2011103346879 A CN2011103346879 A CN 2011103346879A CN 201110334687 A CN201110334687 A CN 201110334687A CN 102499887 A CN102499887 A CN 102499887A
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Abstract
The invention relates to a transfusion soft bag, which comprises a bag and a combination cover. The bag comprises a bag main body and combination portions arranged around the bag main body, the combination cover is welded on the bag main body which comprises an upper membrane and a lower membrane, peripheries of the upper membrane and the lower membrane are mutually welded through the combination portions, and a liquid medicine containing space is formed between the upper membrane and the lower membrane. The combination portions are welding lines formed in a mutual welding process of the upper membrane and the lower membrane. The combination cover comprises an outer cover and a rubber plug capable of automatically contracted, and the lower edge of the outer cover is welded on the outer lateral face of the upper membrane. The transfusion soft bag adopts the structure that the combination cover is welded on the bag main body. Compared with the existing structure that hard connectors and the combination cover are welded on the periphery of the bag main body, the transfusion soft bag removes the hard connectors of the components, lowers production cost, reduces possibility of liquid medicine contamination, and more importantly avoids leakage, particularly microleakage caused by the fact that the hard connectors damage the welding lines on the periphery of the bag main body.
Description
Technical field
The present invention relates to the medical packaging field, especially, relate to a kind of leakproof, the transfusion flexible bag of especially anti-little seepage.
Background technology
Existing transfusion flexible bag; Form with the bag of high strength weld seam sealing, hard interface and composite cover by periphery; Wherein hard interface first end is tightly connected with the weld seam of bag through lip, and the intracavity pipeline of hard interface communicates with medicinal liquid in the bag, and second end of interface is tightly connected by composite cover firmly.Like Fig. 3 and shown in Figure 4, interface 5 comprises cone-shaped interface 52 that is beneficial to transfusion flexible bag and hard interface 5 welded seals and the termination 51 that is tightly connected and locates with composite cover firmly.When cone-shaped interface 52 carries out the assembly manipulation of welded seal with bag periphery 6; Installation accuracy to assembly equipment; As to neutrality, perpendicularity, levelness etc. are had relatively high expectations; And be prone to produce rosin joint or weld phenomenons such as insecure, thereby cause bag and hard interface 5 places to form the side 7 of easy to leak because of seal defect.Moreover; Even when production and processing, well guaranteed its sealing property; Can work as in the transfusion bag transportation; Owing to when bag inner liquid medicine itself is to the extruding of this transition region weld seam when transfusion bag is born other transfusion bag, the extruding of other objects or in the use, also be prone to form seepages at side 7, the inevitable little seepage of formation particularly.Medicinal liquid has not only been lost in the generation of seepage or little seepage, has also increased the intravital medicinal liquid of bag and has received contamination of heavy, thereby brought hidden danger for the security incident of transfusion.
Summary of the invention
The object of the invention is to provide the transfusion flexible bag of a kind of bag of body weldering lid, to solve existing transfusion bag is prone to produce the especially little seepage of seepage in production and processing, transportation or when using technical problem.
For realizing above-mentioned purpose, according to an aspect of the present invention, a kind of transfusion flexible bag is provided, it comprises bag and composite cover, and bag comprises bag body and the joint portion that is provided with around the bag body on every side, and composite cover is welded on one's body the bag.
Further, the bag body comprises upper diaphragm and following diaphragm; Upper diaphragm is connected through the joint portion with following diaphragm-operated periphery, between upper diaphragm and following diaphragm, forms the spatial accommodation of medicinal liquid.
The weld seam of formation when further, to be upper diaphragm with following diaphragm be welded to each other in the joint portion.
Further, composite cover is welded on the lateral surface of upper diaphragm.
Further, composite cover comprises the plug that can shrink automatically and is welded on the enclosing cover of upper diaphragm; Plug fixes in enclosing cover.
Further, composite cover also comprises inner cap, in be covered with diaphragm seal, plug fixes in by enclosing cover and the formed cavity of diaphragm seal.
Further, composite cover is welded on the geometric center place of upper diaphragm.
Further, composite cover has the height that is complementary with transfusion needle.
The present invention has following beneficial effect: transfusion flexible bag of the present invention is employed in the structure that bag welds composite cover on one's body; More traditional structure of on the bag periphery, passing through hard interface of welding and composite cover has not only been cancelled the hard interface of parts, makes structure simpler; Reduced production cost; Reduced the probability of liquid medicine contamination, the more important thing is and avoided destroying the seepage that the peripheral weld seam of bag causes, the phenomenon of especially little seepage because of hard interface.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map of the front view of the preferred embodiment of the present invention;
Fig. 2 is that the A of Fig. 1 of the preferred embodiment of the present invention is to sketch map;
Fig. 3 is the sketch map of existing hard interface of transfusion flexible bag and bag junction;
Fig. 4 is that hard interface B shown in Figure 3 is to sketch map.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1 and Fig. 2, transfusion flexible bag of the present invention comprises bag 1 and composite cover 2, and bag 1 comprises bag body 4 and the joint portion 3 that is provided with around bag body 4 on every side, and composite cover 2 is welded on bag body 4.
Bag body 4 comprises the upper diaphragm 11 and following diaphragm 12 that is welded to each other.The periphery of upper diaphragm 11 and following diaphragm 12 is welded to each other through joint portion 3, and between upper diaphragm 11 and following diaphragm 12, forms the spatial accommodation of medicinal liquid.Joint portion 3 is that upper diaphragm 11 is welded to each other the weld seam that forms in the process with following diaphragm 12, and this weld seam is the continuous closed-loop formula.
Composite cover 2 is welded on the lateral surface of upper diaphragm 11, lateral surface not with soft bag in medicinal liquid contact, and composite cover 2 can be welded on the optional position of bag body 4.After bag 1 periphery was sealed by weld seam fully, bag body 4 had constituted the hermetic cavity body.The structure that is had sealing by cavity can be known, when being loaded with medicinal liquid in the cavity, also can well guarantee the quality of its medicinal liquid.Composite cover 2 is welded on bag body 4; More traditional structure of on bag periphery 6, passing through hard interface 5 of welding and composite cover 2; Not only cancel the hard interface 5 of parts, reduced production cost, reduced the probability of liquid medicine contamination; The more important thing is and avoided destroying the seepage that cause joint portion 3, the phenomenon of especially little seepage because of hard interface.
Refer again to Fig. 1, composite cover 2 comprises enclosing cover 21 and is beneficial to injector syringe and pierces through simultaneously and can pull out the back plug 22 of collapsed seal automatically at syringe again that plug 22 is arranged in the enclosing cover 21, and the lower limb of enclosing cover 21 is welded on the upper diaphragm 11 of bag body 4.Preferably, composite cover 2 also comprises the inner cap 23 that is tightly connected with enclosing cover 21 welding or pressing, and inner cap 23 is provided with and is beneficial to the diaphragm seal 230 that syringe pierces through.Plug 22 is arranged in the cavity of enclosing cover 21 and diaphragm seal 230 formations.Form concordant lower limb after 23 welding of enclosing cover 21 and inner cap or the pressing, lower limb is welded on the upper diaphragm 11 of bag body 4.
In use, injector syringe passes through the upper diaphragm 11 that runs through bag 1 behind thorn plug 22 and the diaphragm seal 230 more in order downwards successively, can touch the liquid in the bag until syringe.Preferably, before weldering composite cover 2, can carry out the fill and the sealing operation of medicinal liquid earlier; At this moment; The upper and lower diaphragm 11,12 of bag 1 can increase spacing each other because of the filling of medicinal liquid, under the constant situation of the height of the height of composite cover and syringe, reduced syringe pass through thorn under the probability of diaphragm 12; Especially under the situation of the matched of height and the syringe of lid, can avoid greatly syringe pass through thorn under the probability of diaphragm 12.
Refer again to Fig. 2, can be known by bag 1 construction features own, upper diaphragm 11 is maximum in the spacing of geometric center position with following diaphragm 12, dwindles gradually to the spacing of bag peripheral direction along the geometric center position.Therefore, preferably, composite cover 2 is welded on the geometric center position of bag body 4.
In other embodiments, composite cover 2 also can be welded in other positions of bag body 4, and different positions all will guarantee the matched of the height and the syringe of composite cover 2, avoids syringe to pass through thorn to the probability of diaphragm 12 down.Bag 1 also has multiple version with composite cover 2, is not limited to the structure in the present invention's diagram.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. transfusion flexible bag comprises: bag and composite cover, it is characterized in that, and the joint portion that said bag comprises bag body and is provided with around the said bag body, said composite cover is welded on one's body the said bag.
2. transfusion flexible bag according to claim 1 is characterized in that, said bag body comprises upper diaphragm and following diaphragm; Said upper diaphragm is connected through said joint portion with said diaphragm-operated periphery down, at said upper diaphragm and the said spatial accommodation that forms medicinal liquid down between the diaphragm.
3. transfusion flexible bag according to claim 2 is characterized in that, said joint portion is the weld seam that said upper diaphragm and said down diaphragm form when being welded to each other.
4. transfusion flexible bag according to claim 2 is characterized in that said composite cover is welded on the lateral surface of said upper diaphragm.
5. transfusion flexible bag according to claim 4 is characterized in that, said composite cover comprises the plug that can shrink automatically and is welded on the enclosing cover of said upper diaphragm; Said plug fixes in said enclosing cover.
6. transfusion flexible bag according to claim 5 is characterized in that said composite cover also comprises inner cap, is covered with diaphragm seal in said, and said plug fixes in by said enclosing cover and the formed cavity of said diaphragm seal.
7. transfusion flexible bag according to claim 2 is characterized in that, said composite cover is welded on the geometric center place of said upper diaphragm.
8. transfusion flexible bag according to claim 2 is characterized in that said composite cover has the height that is complementary with transfusion needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334687.9A CN102499887B (en) | 2011-10-28 | 2011-10-28 | Transfusion soft bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334687.9A CN102499887B (en) | 2011-10-28 | 2011-10-28 | Transfusion soft bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102499887A true CN102499887A (en) | 2012-06-20 |
| CN102499887B CN102499887B (en) | 2014-07-09 |
Family
ID=46212065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110334687.9A Active CN102499887B (en) | 2011-10-28 | 2011-10-28 | Transfusion soft bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102499887B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032323A (en) * | 2017-08-21 | 2020-04-17 | 甘布罗伦迪亚股份公司 | Method for sealing a medical device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915212A (en) * | 1973-12-10 | 1975-10-28 | Abbott Lab | Flexible medical fluid container having a combined fill and administration port and reinforced hanger |
| US4790841A (en) * | 1981-03-31 | 1988-12-13 | Gislaved Plastindustri Ab | Device for bag-shaped liquid-containers for sick-care |
| CN1658814A (en) * | 2002-06-12 | 2005-08-24 | 巴克斯特国际公司 | A port, a container and a method for accessing a port |
| CN201020027Y (en) * | 2007-03-30 | 2008-02-13 | 湖南千山制药机械股份有限公司 | Large transfusion soft bag package using double-plug easy-folding combined cover |
| CN202342450U (en) * | 2011-10-26 | 2012-07-25 | 湖南千山制药机械股份有限公司 | Transfusion flexible bag |
-
2011
- 2011-10-28 CN CN201110334687.9A patent/CN102499887B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915212A (en) * | 1973-12-10 | 1975-10-28 | Abbott Lab | Flexible medical fluid container having a combined fill and administration port and reinforced hanger |
| US4790841A (en) * | 1981-03-31 | 1988-12-13 | Gislaved Plastindustri Ab | Device for bag-shaped liquid-containers for sick-care |
| CN1658814A (en) * | 2002-06-12 | 2005-08-24 | 巴克斯特国际公司 | A port, a container and a method for accessing a port |
| CN201020027Y (en) * | 2007-03-30 | 2008-02-13 | 湖南千山制药机械股份有限公司 | Large transfusion soft bag package using double-plug easy-folding combined cover |
| CN202342450U (en) * | 2011-10-26 | 2012-07-25 | 湖南千山制药机械股份有限公司 | Transfusion flexible bag |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032323A (en) * | 2017-08-21 | 2020-04-17 | 甘布罗伦迪亚股份公司 | Method for sealing a medical device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102499887B (en) | 2014-07-09 |
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