CN105216337A - A kind of one-body molded infusion bag accessory and preparation method thereof - Google Patents
A kind of one-body molded infusion bag accessory and preparation method thereof Download PDFInfo
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- CN105216337A CN105216337A CN201410317309.3A CN201410317309A CN105216337A CN 105216337 A CN105216337 A CN 105216337A CN 201410317309 A CN201410317309 A CN 201410317309A CN 105216337 A CN105216337 A CN 105216337A
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Abstract
The invention discloses a kind of one-body molded infusion bag accessory, this accessory comprises polypropylene accessory body, and in body, hollow is provided with medicine liquid channel, is provided with seal dissepiment in medicine liquid channel; Seal dissepiment described medicine liquid channel is partitioned into accommodating chamber in infusion bag together with the first cavity, and with the external world together with the second cavity; Be provided with thermoplastic elastomer (TPE) plug in second cavity, plug is directly injection molded in described second cavity, and injection molded plug combines together with described body in the second cavity, and described infusion channel is sealed up completely.Accessory molding cycle of the present invention is short, dangerous without cross pollution; The exfoliation that simultaneously punctures is low, and Product Safety is reliable.
Description
Technical field
The present invention relates to medical infusion packing technique field, be specifically related to a kind of one-body molded infusion bag accessory and preparation method thereof.
Background technology
Existing infusion bag accessory is generally polypropylene accessory and rubber plug combination forms, plug wherein usually with polyisoprene or halogenated butyl rubber for raw material, after obtained with die pressing, polypropylene accessory and plug combine by utilization group lid equipment, this kind of process cycle is long, easily cause secondary pollution in process of production, security performance and the outward appearance cleanliness factor of product are not good, have certain hidden danger of quality.
Summary of the invention
For prior art Problems existing, primary and foremost purpose of the present invention is the preparation method providing a kind of one-body molded infusion bag fitting, starts with, select thermoplastic elastomer (TPE) class plug from product design and processing technology two aspect, by the mode of substep injection moulding, global formation infusion bag fitting.The infusion bag fitting of gained has technique simply, the advantages such as molding cycle is short, functional.Secondary objective of the present invention is to provide a kind of one-body molded infusion bag fitting be made up of said method.
For achieving the above object, the preparation method of a kind of one-body molded infusion bag fitting of the present invention, specifically comprises the steps:
(1) polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 2-4h under 60-70 DEG C of condition;
(2) add SEBS, antioxidant in proportion, mix;
(3) mixed raw material in step (2) is placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet;
(4) by polystyrene, polyethylene, SEBS dry 2-4h under 60-70 DEG C of condition;
(5) add mineral oil, antioxidant in step (4) dried raw material in setting ratio, and mix;
(6) composite material obtained after step (5) mixing is placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) plug pellet;
(7) pellet that step (3) and (6) obtain is placed in two material injection molding machine, substep injection moulding: the first step, the described polypropylene accessory body pellet obtained by step (3) injects polypropylene accessory body; Second step, with the described thermoplastic elastomer (TPE) plug pellet that step (6) is obtained, directly injects thermoplastic elastomer (TPE) plug, and then obtains finished product in the cavity at the mouth of pipe place of described polypropylene accessory body.
Further, processing technology in described step (3) is: double screw extruder one district temperature 210-220 DEG C, two district temperature 215-225 DEG C, three district temperature 220-230 DEG C, four district temperature 230-240 DEG C, head 230-245 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 12-18MPa.
Further, processing technology in described step (6) is: double screw extruder one district temperature 190-200 DEG C, two district temperature 200-210 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 200-210 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 35-50MPa.
Further, the processing technology in described step (7) is: the first step: injection machine one district temperature 190-210 DEG C, two district temperature 200-220 DEG C, three district temperature 200-225 DEG C, head 210-230 DEG C, and injection pressure is 60-70MPa; Second step: injection machine one district temperature 160-180 DEG C, two district temperature 165-180 DEG C, three district temperature 165-185 DEG C, head 170-190 DEG C, injection pressure is 55-65MPa.
The one-body molded infusion bag accessory obtained by above-mentioned preparation method, described accessory comprises polypropylene accessory body, and in body, hollow is provided with medicine liquid channel, is provided with seal dissepiment in described medicine liquid channel; Described medicine liquid channel is partitioned into the first cavity be communicated with infusion bag inner cavity chamber by described seal dissepiment, and with the external world together with the second cavity; Be provided with thermoplastic elastomer (TPE) plug in described second cavity, described plug is directly injection molded in described second cavity, and injection molded plug combines together with described body in the second cavity, and described infusion channel is sealed up completely.
Further, described thermoplastic elastomer (TPE) plug is polystyrene type elastomer.
Further, described body is provided with film coated plate at the mouth of pipe place of described second cavity side; Described body is also provided with the spindle pipe body base connecting infusion bag at described first cavity side end, the hollow of spindle pipe body base smoothly communicates with the infusion channel of described body, and spindle pipe body base solder side is provided with some welding bars; Some outwards extend and form thin slice in welding bar two ends.
Further, described seal dissepiment is arranged on middle part in described body and close described film coated plate, and it is planar structure; Described thermoplastic elastomer (TPE) plug and described seal dissepiment bond together.
Further, described film coated plate extends internally at described second cavity hatch place, and then makes the second cavity form a cavity closed up, and described plug is filled to this closing in place, and sealing effectiveness is better.
Further, the described infusion channel of described body and profile are cylindrical, prismatic cylinder, flat prismatic cylinder or similar round column structure.
Further, described film coated plate is provided with sealing device easily tore film, and easily tore film has at least one end to extend to the outside of film coated plate, forms pulling-on piece.
Further, described body is provided with several protruding chain-wales symmetrical between two on the outer wall of second cavity one end, and described protruding chain-wales is 2-8.
The one-body molded infusion bag accessory of the one that the present invention relates to can realize dosing and infusion function.Have the following advantages:
1., by changing product design and processing technology, one-body molded infusion bag accessory, decrease the secondary pollution that combination plug brings;
2. the security of one-body molded infusion bag fitting is high, product cleanliness factor is good;
3. this Product Process simplifies, and molding cycle is short, has certain cost advantage.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of accessory of the present invention;
Fig. 2 is accessory plan structure schematic diagram of the present invention;
Fig. 3 is accessory BB cross-sectional view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Embodiment 1
A kind of one-body molded infusion bag accessory 10 comprises polypropylene accessory body 20, and in body 20, hollow is provided with medicine liquid channel 21, is provided with seal dissepiment 22 in medicine liquid channel 21; Seal dissepiment 22 medicine liquid channel 21 is partitioned into infusion bag inner cavity chamber together with the first cavity 25, and with the external world together with the second cavity 28; Thermoplastic elastomer (TPE) plug 30 is provided with in second cavity 28.The present invention's one-body molded infusion bag accessory adopts two material injection molding machine integral molded plastic shaping, first injection mo(u)lding polypropylene accessory body 20, then direct injection moulding plug 30 in the second cavity 28 of pipe fitting 20, injection molded plug combines together with body in the second cavity, and infusion channel is sealed up completely.Thermoplastic elastomer (TPE) plug 30 is polystyrene type elastomer.
Body is provided with film coated plate 27 at the mouth of pipe place of the second cavity 28 side; Body 20 is also provided with the spindle pipe body base 40 connecting infusion bag at the first cavity 25 side end, in spindle pipe body base, hollow smoothly communicates with the infusion channel 21 of body 20, in order to accessory and transfusion bag body be welded together better, outside spindle pipe body base 40, solder side is provided with some welding bars 41; Some outwards extend and form thin slice 42 in welding bar 41 two ends.
In addition, in order to realize the sealing to accessory infusion channel, during injection moulding, plug can be close to seal dissepiment injection moulding.Thermoplastic elastomer (TPE) plug 30 and seal dissepiment 22 sealing effectiveness that bonds together is better; Wherein, seal dissepiment 22 is arranged on middle and upper part in body and near film coated plate 27, is planar structure; Thermoplastic elastomer (TPE) plug 30 and seal dissepiment 22 bond together.
Film coated plate 27 extends in the second cavity at the second cavity hatch place, and then makes the second cavity form a cavity closed up, and plug is filled to this closing in place, and sealing effectiveness is better, and more firm.Plug of the prior art, by pressure press-in body, can cause the damage of body tube wall and plug unavoidably, and then have furfur to occur in process of press in.Integrated formed structure of the present invention then solves this problem well, and the contact area being arranged so that plug and body by closing up strengthens, and sealing effectiveness is naturally outstanding.
The infusion channel 21 of body 20 and profile can be cylindrical, prismatic cylinder, flat prismatic cylinder or similar round column structure.
Film coated plate 27 is provided with sealing device easily tore film 27a, and easily tore film has at least one end to extend to the outside of film coated plate, forms pulling-on piece.Body is provided with several protruding chain-wales 12 symmetrical between two on the outer wall of second cavity 28 one end, and protruding chain-wales is 2-8.
In the present invention, polypropylene infusion bag accessory molding cycle of the present invention is short, dangerous without cross pollution; The exfoliation that simultaneously punctures is low, and Product Safety is reliable.
Embodiment 2
A preparation method for above-mentioned one-body molded infusion bag fitting, specifically comprises the steps:
(1) polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 2-4h under 60-70 DEG C of condition;
(2) add SEBS, antioxidant in proportion, mix;
(3) mixed raw material in step (2) is placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet; Double screw extruder one district temperature 210-220 DEG C, two district temperature 215-225 DEG C, three district temperature 220-230 DEG C, four district temperature 230-240 DEG C, head 230-245 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 12-18MPa;
(4) by polystyrene, polyethylene, SEBS dry 2-4h under 60-70 DEG C of condition;
(5) add mineral oil, antioxidant in step (4) dried raw material in setting ratio, and mix;
(6) composite material obtained after step (5) mixing is placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) plug pellet; Wherein, double screw extruder one district temperature 190-200 DEG C, two district temperature 200-210 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 200-210 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 35-50MPa;
(7) pellet that step (3) and (6) obtain is placed in two material injection molding machine, substep injection moulding:
The first step, the described polypropylene accessory body pellet obtained by step (3) injects polypropylene accessory body; Wherein, injection machine one district temperature 190-210 DEG C, two district temperature 200-220 DEG C, three district temperature 200-225 DEG C, head 210-230 DEG C, injection pressure is 60-70MPa;
Second step, with the described thermoplastic elastomer (TPE) plug pellet that step (6) is obtained, thermoplastic elastomer (TPE) plug is directly injected in the cavity at the mouth of pipe place of described polypropylene accessory body, and then obtain finished product, and wherein, injection machine one district temperature 160-180 DEG C, two district temperature 165-180 DEG C, three district temperature 165-185 DEG C, head 170-190 DEG C, injection pressure is 55-65MPa.
Embodiment 3:
The present embodiment is substantially the same manner as Example 2, and difference is:
Polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 2h under 60 DEG C of conditions; Add SEBS, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet 1.; Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature 210 DEG C, two district's temperature 215 DEG C, three district's temperature 220 DEG C, four district's temperature 230 DEG C, head 230 DEG C, screw speed 250rpm, time of staying 3min, and pressure is 12MPa; By polystyrene, polyethylene, SEBS dry 2h under 60 DEG C of conditions; Add mineral oil, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) pellet 2.; Wherein, screw rod each heating region temperature arranges and is respectively: double screw extruder one district temperature 190 DEG C, two district's temperature 200 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, head 200 DEG C, screw speed 250rpm, time of staying 3min, pressure is 35MPa.
2. 1. obtained pellet is placed in injection machine respectively, by melting, injection moulding in two steps: the first step, with pellet 1. polypropylene accessory body described in injection moulding, second step, with pellet 2. with described polypropylene accessory body for thermoplastic elastomer (TPE) plug described in cavity injection moulding, obtain finished product.Wherein: the first step: injection machine one district temperature 190 DEG C, two district's temperature 200 DEG C, three district's temperature 200 DEG C, head 210 DEG C, injection pressure is 60MPa; Second step: injection machine one district temperature 160 DEG C, two district's temperature 165 DEG C, three district's temperature 165 DEG C, head 170 DEG C, injection pressure is 55MPa.
Embodiment 4:
The present embodiment is substantially the same manner as Example 3, and difference is:
Polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 3h under 65 DEG C of conditions; Add SEBS, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet 1.; Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature 215 DEG C, two district's temperature 220 DEG C, three district's temperature 225 DEG C, four district's temperature 235 DEG C, head 235 DEG C, screw speed 290rpm, time of staying 4min, and pressure is 14MPa; By polystyrene, polyethylene, SEBS dry 3h under 65 DEG C of conditions; Add mineral oil, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) pellet 2.; Wherein, screw rod each heating region temperature arranges and is respectively: double screw extruder one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 195 DEG C, four district's temperature 195 DEG C, head 205 DEG C, screw speed 290rpm, time of staying 4min, pressure is 40MPa.
2. 1. obtained pellet is placed in injection machine respectively, by melting, injection moulding in two steps: the first step, with pellet 1. polypropylene accessory body described in injection moulding, second step, with pellet 2. with described polypropylene accessory body for thermoplastic rubber plug described in cavity injection moulding, obtain finished product.Wherein: the first step: injection machine one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 215 DEG C, head 220 DEG C, injection pressure is 65MPa; Second step: injection machine one district temperature 165 DEG C, two district's temperature 170 DEG C, three district's temperature 170 DEG C, head 175 DEG C, injection pressure is 60MPa.
Embodiment 5:
The present embodiment is substantially the same manner as Example 3, and difference is:
Polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 3.5h under 65 DEG C of conditions; Add SEBS, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet 1.; Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature 215 DEG C, two district's temperature 220 DEG C, three district's temperature 225 DEG C, four district's temperature 235 DEG C, head 240 DEG C, screw speed 320rpm, time of staying 4.5min, and pressure is 16MPa; By polystyrene, polyethylene, SEBS dry 3.5h under 65 DEG C of conditions; Add mineral oil, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) pellet 2.; Wherein, screw rod each heating region temperature arranges and is respectively: double screw extruder one district temperature 195 DEG C, two district's temperature 205 DEG C, three district's temperature 195 DEG C, four district's temperature 195 DEG C, head 205 DEG C, screw speed 320rpm, time of staying 4.5min, pressure is 45MPa.
2. 1. obtained pellet is placed in injection machine respectively, by melting, injection moulding in two steps: the first step, with pellet 1. polypropylene accessory body described in injection moulding, second step, with pellet 2. with described polypropylene accessory body for thermoplastic rubber plug described in cavity injection moulding, obtain finished product.Wherein: the first step: injection machine one district temperature 205 DEG C, two district's temperature 215 DEG C, three district's temperature 220 DEG C, head 225 DEG C, injection pressure is 65MPa; Second step: injection machine one district temperature 170 DEG C, two district's temperature 175 DEG C, three district's temperature 175 DEG C, head 180 DEG C, injection pressure is 60MPa.
Embodiment 6:
The present embodiment is substantially the same manner as Example 3, and difference is:
Polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 4h under 70 DEG C of conditions; Add SEBS, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet 1.; Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature 220 DEG C, two district's temperature 225 DEG C, three district's temperature 230 DEG C, four district's temperature 240 DEG C, head 245 DEG C, screw speed 350rpm, time of staying 5min, and pressure is 18MPa; By polystyrene, polyethylene, SEBS dry 4h under 70 DEG C of conditions; Add mineral oil, antioxidant in proportion, mix and be placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) pellet 2.; Wherein, screw rod each heating region temperature arranges and is respectively: double screw extruder one district temperature 200 DEG C, two district's temperature 210 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, head 210 DEG C, screw speed 350rpm, time of staying 5min, pressure is 50MPa.
2. 1. obtained pellet is placed in injection machine respectively, by melting, injection moulding in two steps: the first step, with pellet 1. polypropylene accessory body described in injection moulding, second step, with pellet 2. with described polypropylene accessory body for thermoplastic elastomer (TPE) plug described in cavity injection moulding, obtain finished product.Wherein: the first step: injection machine one district temperature 210 DEG C, two district's temperature 220 DEG C, three district's temperature 225 DEG C, head 230 DEG C, injection pressure is 70MPa; Second step: injection machine one district temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 185 DEG C, head 190 DEG C, injection pressure is 65MPa.
Comparative example 1: thermoplastic elastomer (TPE) plug part not with polypropylene accessory body for cavity is injection-moulded in wherein, cover carrying out group with above-mentioned transfusion accessory after independent for thermoplastic elastomer (TPE) plug injection mo(u)lding.
Comparative example 2: thermoplastic elastomer (TPE) plug part does not carry out injection moulding, replaces with the polyisoprene gasket matched with above-mentioned transfusion accessory that Chongzhou Junjian Plastic Co., Ltd. produces by thermoplastic elastomer (TPE) plug, carry out group and cover.
Comparative example 3: thermoplastic elastomer (TPE) plug part does not carry out injection moulding, the halogenated butyl rubber plug matched with above-mentioned transfusion accessory thermoplastic elastomer (TPE) plug being replaced with Hubei strong scientific and technological responsibility Co., Ltd of China produces, carries out group and covers.
Table 1: yield rate and correlated performance contrast table
Mentioned microorganism limit adopts film Plating, detects according to Chinese Pharmacopoeia 2005 editions annex XIJ microbial limit detection methods.
As can be seen from the above table, one-body molded infusion bag fitting security performance of the present invention is excellent, and carry out organizing comparative example 1, comparative example 2 and the comparative example 3 covered with needs and compare, non-secondary pollution, product is aseptic; In outward appearance detects, find a routine stain altogether, in production process, stain and foreign matter significantly reduce, and product hermeticity is good simultaneously, and puncture exfoliation excellent performance, better ensure that the infusion safety of patient.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (10)
1. a preparation method for one-body molded infusion bag fitting, is characterized in that, specifically comprises the steps:
(1) polypropylene, polyethylene, flexibilizer are mixed in proportion, dry 2-4h under 60-70 DEG C of condition;
(2) add SEBS, antioxidant in proportion, mix;
(3) mixed raw material in step (2) is placed in double screw extruder, by melt extruding, obtained polypropylene accessory body pellet;
(4) by polystyrene, polyethylene, SEBS dry 2-4h under 60-70 DEG C of condition;
(5) add mineral oil, antioxidant in step (4) dried raw material in setting ratio, and mix;
(6) composite material obtained after step (5) mixing is placed in double screw extruder, by melt extruding, obtained thermoplastic elastomer (TPE) plug pellet;
(7) pellet that step (3) and (6) obtain is placed in two material injection molding machine, substep injection moulding:
The first step, the described polypropylene accessory body pellet obtained by step (3) injects polypropylene accessory body;
Second step, with the described thermoplastic elastomer (TPE) plug pellet that step (6) is obtained, directly injects thermoplastic elastomer (TPE) plug, and then obtains finished product in the cavity at the mouth of pipe place of described polypropylene accessory body.
2. preparation method as claimed in claim 1, it is characterized in that, processing technology in described step (3) is: double screw extruder one district temperature 210-220 DEG C, two district temperature 215-225 DEG C, three district temperature 220-230 DEG C, four district temperature 230-240 DEG C, head 230-245 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 12-18MPa.
3. preparation method as claimed in claim 1, it is characterized in that, processing technology in described step (6) is: double screw extruder one district temperature 190-200 DEG C, two district temperature 200-210 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 200-210 DEG C, screw speed 250-350rpm, the time of staying 3 ~ 5min, pressure is 35-50MPa.
4. preparation method as claimed in claim 1, it is characterized in that, the processing technology in described step (7) is: the first step: injection machine one district temperature 190-210 DEG C, two district temperature 200-220 DEG C, three district temperature 200-225 DEG C, head 210-230 DEG C, injection pressure is 60-70MPa; Second step: injection machine one district temperature 160-180 DEG C, two district temperature 165-180 DEG C, three district temperature 165-185 DEG C, head 170-190 DEG C, injection pressure is 55-65MPa.
5. preparation method obtains a kind of one-body molded infusion bag accessory as claimed in claim 1, it is characterized in that, described accessory comprises polypropylene accessory body, and in body, hollow is provided with medicine liquid channel, is provided with seal dissepiment in described medicine liquid channel; Described medicine liquid channel is partitioned into the first cavity be communicated with infusion bag inner cavity chamber by described seal dissepiment, and with the external world together with the second cavity; Be provided with thermoplastic elastomer (TPE) plug in described second cavity, described plug is directly injection molded in described second cavity, and injection molded plug combines together with described body in the second cavity, and described infusion channel is sealed up completely.
6. one-body molded infusion bag accessory as claimed in claim 5, it is characterized in that, described thermoplastic elastomer (TPE) plug is polystyrene type elastomer.
7. one-body molded infusion bag accessory as claimed in claim 5, it is characterized in that, described body is provided with film coated plate at the mouth of pipe place of described second cavity side; Described body is also provided with the spindle pipe body base connecting infusion bag at described first cavity side end, the hollow of spindle pipe body base smoothly communicates with the infusion channel of described body, and spindle pipe body base solder side is provided with some welding bars; Some outwards extend and form thin slice in welding bar two ends.
8. one-body molded infusion bag accessory as claimed in claim 7, is characterized in that, described seal dissepiment is arranged on middle part in described body and near described film coated plate, it is planar structure; Described thermoplastic elastomer (TPE) plug and described seal dissepiment bond together.
9. one-body molded infusion bag accessory as claimed in claim 8, it is characterized in that, described film coated plate extends internally at described second cavity hatch place, and then makes the second cavity form a cavity closed up, and described plug is filled to this closing in place.
10. one-body molded infusion bag accessory as claimed in claim 7, it is characterized in that, described film coated plate is provided with sealing device easily tore film, and easily tore film has at least one end to extend to the outside of film coated plate, forms pulling-on piece; Described body is provided with several protruding chain-wales symmetrical between two on the outer wall of second cavity one end, and described protruding chain-wales is 2-8.
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| CN201410317309.3A CN105216337A (en) | 2014-07-04 | 2014-07-04 | A kind of one-body molded infusion bag accessory and preparation method thereof |
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| CN201410317309.3A CN105216337A (en) | 2014-07-04 | 2014-07-04 | A kind of one-body molded infusion bag accessory and preparation method thereof |
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| CN114261122A (en) * | 2021-11-26 | 2022-04-01 | 苏州创扬医药科技股份有限公司 | Manufacturing method of freeze-drying bottle cap |
| WO2024103426A1 (en) * | 2022-11-16 | 2024-05-23 | 湖南千山制药机械股份有限公司 | Through-hole integral connector and infusion bag |
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| CN102579257A (en) * | 2012-03-14 | 2012-07-18 | 崇州君健塑胶有限公司 | Infusion bag joint and manufacturing method thereof and accessory for infusion bags |
| CN102838808A (en) * | 2012-09-06 | 2012-12-26 | 崇州君健塑胶有限公司 | Accessory for infusion bag, preparation method and application thereof |
| CN103602027A (en) * | 2013-11-18 | 2014-02-26 | 崇州君健塑胶有限公司 | Transparent medical thermoplastic rubber plug and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201625142U (en) * | 2009-11-30 | 2010-11-10 | 湖南乐福地医药包材科技有限公司 | Combination cover of single rubber plug for infusion solution soft packing |
| CN102579257A (en) * | 2012-03-14 | 2012-07-18 | 崇州君健塑胶有限公司 | Infusion bag joint and manufacturing method thereof and accessory for infusion bags |
| CN102838808A (en) * | 2012-09-06 | 2012-12-26 | 崇州君健塑胶有限公司 | Accessory for infusion bag, preparation method and application thereof |
| CN103602027A (en) * | 2013-11-18 | 2014-02-26 | 崇州君健塑胶有限公司 | Transparent medical thermoplastic rubber plug and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114261122A (en) * | 2021-11-26 | 2022-04-01 | 苏州创扬医药科技股份有限公司 | Manufacturing method of freeze-drying bottle cap |
| WO2024103426A1 (en) * | 2022-11-16 | 2024-05-23 | 湖南千山制药机械股份有限公司 | Through-hole integral connector and infusion bag |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |
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| RJ01 | Rejection of invention patent application after publication |