CN203802812U - Infusion bag - Google Patents
Infusion bag Download PDFInfo
- Publication number
- CN203802812U CN203802812U CN201420193586.3U CN201420193586U CN203802812U CN 203802812 U CN203802812 U CN 203802812U CN 201420193586 U CN201420193586 U CN 201420193586U CN 203802812 U CN203802812 U CN 203802812U
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- China
- Prior art keywords
- bag
- welding region
- flexible pipe
- film material
- welding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an infusion bag. The infusion bag comprises a bag body, the periphery of the bag body is sealed, one or more cavities are formed in the bag body, and a medicine adding opening and an infusion opening are formed in the bottom of the bag body; welding strips used for sealing the periphery of the bag body are away from the edge of the bag body for set distance. Compared with the prior art, the sealed edge of the infusion bag is harder to tear so that liquid leakage can be prevented, and thus the infusion bag is safer and more reliable.
Description
Technical field
This utility model relates to a kind of transfusion bag.
Background technology
Transfusion bag has safe ready due to it at present, and cost of manufacture is low, and is convenient to make, transports or stores, and is widely used at field of medicaments.Consist essentially of transfusion bag body in common transfusion bag, bag is made up of film material edge sealing, and bag inside comprises the chamber of one or more powder charges, and bag one side is provided with for dosing mouth and infusion port.
In storage, transport and use procedure, the sealing of the edge sealing of transfusion bag is extremely important, and it preserves quality concerning arriving medicine, and then is related to patient's healthy even life.Thus, if improve the important topic that the sealing of the edge sealing of transfusion bag is this area research always.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide the more excellent transfusion bag of a kind of edge sealing sealing effectiveness.
For achieving the above object, a kind of transfusion bag of the present invention comprises bag, bag peripheral sealing, and the one or more chambers of inner formation, bag bottom is provided with dosing mouth and infusion port; For the welding bar distance described bag edge setpoint distance of bag peripheral sealing.
Further, described setpoint distance is 1-6mm.
Further, described dosing mouth and infusion port be provided with frangibility for dosing mouth or infusion port being carried out to the over cap of sterility protection, the over cap that directly fractures does not need sterilization can carry out dosing or transfusion.
Further, described dosing mouth is connected with described chamber by flexible pipe with infusion port.
Further, described flexible pipe is connected by welded seal with the film material that forms bag, the junction of flexible pipe and film material is provided with the first welding region for flexible pipe and described film material being positioned to sizing, is provided with for described flexible pipe and described film material are carried out to the second fixing welding region of secondary welding sealing in the first welding region.
Further, described the first welding region is a bit larger tham the second welding region.
Further, the edge 1-6mm of Edge Distance first welding region of described the second welding region.
Compared with prior art, transfusion bag edge sealing of the present invention is not easy to be torn more, and then leakage occurs.And, by infusion port and dosing mouth, flexible pipe is set, in the time transporting or while use can there is plastic deformation in flexible pipe, and be unlikely to infusion port or dosing mouth and film material edge sealing, rigid tearing occurs, and then leak.When avoiding welding, the setting of the first welding region and the second welding region repeatedly film material is carried out to pressurized, heated processing, damage film material, and especially the edge of welding region is the most easily scalded and is leaked.And because the first welding region welding temperature is lower, can major injury film material, and the temperature reinforcing for the second time that more high pressure is larger is welded in the first welding region, also can directly not cause leakage even if film material damages to some extent.Thus, the present invention compares more reliable and safety with respect to prior art.
Brief description of the drawings
Fig. 1 is transfusion bag structural representation of the present invention;
Fig. 2 is the cutaway view that transfusion bag shows seal welding;
Fig. 3 is transfusion bag flexible pipe welding region A of the present invention place enlarged drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As illustrated in fig. 1 and 2, a kind of transfusion bag comprises bag 1, bag peripheral sealing, and the multiple chambers 5 of inner formation, bag bottom is provided with dosing mouth 8 and infusion port 11; Be used for the welding bar 6 of bag peripheral sealing apart from bag edge setpoint distance.This setpoint distance can be set according to bag size, can be 1-2mm compared with pouch body setpoint distance, and larger bag setpoint distance can be increased to 2-3, and more jumbo bag setpoint distance can be 4-6mm.
In prior art, during for the common bag peripheral sealing of saving material, weld bar and not ebb interval of edge, and in the time that reality is used, the bag of edging welding is in the time of folded or extruding, welding bar is directly stressed, easily snaps situation, and those of ordinary skill usually cannot be ignored this problem, in the time tearing, think the problem that not prison welding is solid, do not recognize this design defect.The present invention recognizes this problem comparatively exactly, and solves by the method that above-mentioned safe edge is set.
Dosing mouth 8 and infusion port 11 be provided with frangibility for dosing mouth or infusion port being carried out to the over cap 12 of sterility protection, the over cap 12 that directly fractures does not need sterilization can carry out dosing or transfusion.Dosing mouth 8 is connected with chamber 5 by flexible pipe 13 with infusion port 11.
As shown in Figure 3, flexible pipe 13 is connected by welded seal with the film material that forms bag 1, the junction of flexible pipe and film material is provided with the first welding region 14 for flexible pipe and described film material being positioned to sizing, is provided with for described flexible pipe and described film material are carried out to the second fixing welding region 15 of secondary welding sealing in the first welding region.The first 14 territories, weld zone is a bit larger tham the second welding region 15.According to the size of bag, the edge 1-6mm of Edge Distance first welding region 14 of the second welding region 15.
When avoiding welding, the setting of the first welding region and the second welding region repeatedly film material is carried out to pressurized, heated processing, damage film material, and especially the edge of welding region is the most easily scalded and is leaked.And because the first welding region welding temperature is lower, can major injury film material, and the temperature reinforcing for the second time that more high pressure is larger is welded in the first welding region, also can directly not cause leakage even if film material damages to some extent.
Claims (7)
1. a transfusion bag, is characterized in that, it comprises bag, bag peripheral sealing, and the one or more chambers of inner formation, bag bottom is provided with dosing mouth and infusion port; For the welding bar distance described bag edge setpoint distance of bag peripheral sealing.
2. transfusion bag as claimed in claim 1, is characterized in that, described setpoint distance is 1-6mm.
3. transfusion bag as claimed in claim 1, is characterized in that, described dosing mouth and infusion port be provided with frangibility for dosing mouth or infusion port being carried out to the over cap of sterility protection, the over cap that directly fractures does not need sterilization can carry out dosing or transfusion.
4. transfusion bag as claimed in claim 1, is characterized in that, described dosing mouth is connected with described chamber by flexible pipe with infusion port.
5. transfusion bag as claimed in claim 4, it is characterized in that, described flexible pipe is connected by welded seal with the film material that forms bag, the junction of flexible pipe and film material is provided with the first welding region for flexible pipe and described film material being positioned to sizing, is provided with for described flexible pipe and described film material are carried out to the second fixing welding region of secondary welding sealing in the first welding region.
6. transfusion bag as claimed in claim 5, is characterized in that, described the first welding region is a bit larger tham the second welding region.
7. transfusion bag as claimed in claim 6, is characterized in that the edge 1-6mm of Edge Distance first welding region of described the second welding region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193586.3U CN203802812U (en) | 2014-04-21 | 2014-04-21 | Infusion bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193586.3U CN203802812U (en) | 2014-04-21 | 2014-04-21 | Infusion bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203802812U true CN203802812U (en) | 2014-09-03 |
Family
ID=51441628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420193586.3U Expired - Lifetime CN203802812U (en) | 2014-04-21 | 2014-04-21 | Infusion bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203802812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758365A (en) * | 2019-03-29 | 2019-05-17 | 四川科伦药业股份有限公司 | Safe type external blocking type three-tearing infusion bag convenient to disassemble and assemble |
-
2014
- 2014-04-21 CN CN201420193586.3U patent/CN203802812U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758365A (en) * | 2019-03-29 | 2019-05-17 | 四川科伦药业股份有限公司 | Safe type external blocking type three-tearing infusion bag convenient to disassemble and assemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |