CN103751879B - Safe blow molding drip chamber assembly - Google Patents
Safe blow molding drip chamber assembly Download PDFInfo
- Publication number
- CN103751879B CN103751879B CN201410059461.6A CN201410059461A CN103751879B CN 103751879 B CN103751879 B CN 103751879B CN 201410059461 A CN201410059461 A CN 201410059461A CN 103751879 B CN103751879 B CN 103751879B
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- CN
- China
- Prior art keywords
- dropping funnel
- blow molding
- liquid outlet
- drip chamber
- chamber assembly
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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.)
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- 238000000071 blow moulding Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000001802 infusion Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 9
- 230000000740 bleeding effect Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000019771 cognition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention belongs to medical instruments field, particularly to the safe blow molding drip chamber assembly on transfusion device.Purpose is to provide a kind of safe blow molding dropper component, and the risk that lucifuge agent separates out is little, and dropping funnel interior configuration air bleeding valve or only liquid device are convenient.Scheme: safe blow molding drip chamber assembly is made up of dropping funnel and dropping funnel lid, described dropping funnel is made up of fluid cylinder, liquid outlet, dropping funnel integrally blow molding, dropping funnel lid is injection mo(u)lding, fluid cylinder is the cylindrical drum in certain taper, liquid outlet is straight cylindrical drum, and liquid outlet is for setting up the connection of safe blow molding drip chamber assembly and infusion tube, and described dropping funnel is two-layer composite.The present invention uses two-layer composite, outer layer is lucifuge layer, so internal layer is no need for adding lucifuge agent again, fundamentally avoid the lucifuge agent impact on medicinal liquid, simple in construction, production efficiency is high, safe and reliable, air bleeding valve is installed in dropping funnel or only liquid device all can realize, need not additional any parts.
Description
Technical field
The invention belongs to medical instruments field, particularly to the safe blow molding drip chamber assembly on transfusion device.
Background technology
At present, the light proofing infusion apparatus of Clinical practice, in order to reach the requirement of lucifuge, all adds lucifuge agent in transfusion device raw material.In infusion process, there is the risk that lucifuge agent precipitate in medicinal liquid, affect the quality of infusion medicinal liquid, be input into people's cognition and cause the most serious consequence.
One of essential element of transfusion device is dropper component, and dropper component is made up of dropping funnel and dropping funnel lid, and dropper component is divided into two kinds according to manufacture method, a kind of for injection mo(u)lding dropper component；One is blow molding dropper component, as it is shown on figure 3, dropping funnel lid (7) is for setting up the connection of dropping funnel and infusion tube, dropping funnel (6), blow molding dropper component is the most all left and right, up and down equal symmetrical structure.
Summary of the invention
It is an object of the invention to provide a kind of safe blow molding dropper component, the risk that lucifuge agent separates out is little, and dropping funnel interior configuration air bleeding valve or only liquid device are convenient.
The present invention is to use following technical proposals to realize: safe blow molding drip chamber assembly, described dropper component is made up of dropping funnel and dropping funnel lid, described dropping funnel is made up of fluid cylinder, liquid outlet, dropping funnel integrally blow molding, dropping funnel lid is injection mo(u)lding, fluid cylinder is the cylindrical drum in certain taper, and liquid outlet is straight cylindrical drum, and liquid outlet is for setting up the connection of safe blow molding drip chamber assembly and infusion tube.
Above-mentioned safe blow molding drip chamber assembly, wherein, described dropping funnel is two-layer composite, internal layer is medical polymer material layer, uses medical grade Polyurethane Thermoplastic Elastomer, or ethylene-vinyl acetate copolymer, or polyethylene, or polypropylene, or thermoplastic elastic material manufacture；Outer layer is the medical grade pvc material being added with coloring agent.
Present invention also offers the manufacture method of dropping funnel described in a kind of technique scheme, described method comprises the steps:
A1: Design of Dies is two parts, and mould coordinates making dropping funnel up and down, gets the raw materials ready by formula metering；
A2: mold is designed to the left-half that described dropping funnel is the most tangent, and lower mold is designed to the right half part that described dropping funnel is the most tangent, and upper/lower die is symmetrical, and mold, lower mold are combined the dropping funnel part constituting whole safe blow molding drip chamber assembly；
A3: designing more than 1, or 2, or 2 dropping funnel die cavity on mould, double layer material is blown to dropping funnel shape at dropping funnel die cavity position；
A4: after cooled sizing, uses cutter to carry out first, last section cutting.
Present invention also offers the manufacture method of dropping funnel described in another kind of technique scheme, described method comprises the steps:
A1: Design of Dies is two parts, and mould coordinates making dropping funnel up and down, gets the raw materials ready by formula metering；
A2: mold is designed to the non-liquid outlet end of said two dropping funnel and connects the most tangent left-half, lower mold is designed to the non-liquid outlet end of said two dropping funnel and connects the most tangent right half part, upper/lower die is symmetrical, and mold, lower mold are combined two dropping funnel non-liquid outlet ends of composition and are connected together；
A3: designing more than 1, or 2, or 2 dropping funnel die cavity on mould, double layer material is blown to the shape that two dropping funnel non-liquid outlet ends connect at dropping funnel die cavity position；
A4: after cooled sizing, use cutter carry out head, in, latter end cutting.
The present invention uses two-layer composite, outer layer is lucifuge layer, so internal layer is no need for adding lucifuge agent again, fundamentally avoid the lucifuge agent impact on medicinal liquid, simple in construction, production efficiency is high, safe and reliable, air bleeding valve is installed in dropping funnel or only liquid device all can realize, need not additional any parts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dropping funnel part of the present invention, 1-liquid outlet, 2-fluid cylinder, 3-dropping funnel internal layer, 4-dropping funnel outer layer.
Fig. 2 is the structural representation of the dropping funnel cover of the present invention, 5-dropping funnel lid.
Fig. 3 is the structural representation of conventional blow molding dropper component, 6-dropping funnel, 7-dropping funnel lid.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is further described.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Safe blow molding drip chamber assembly, described dropper component is made up of dropping funnel and dropping funnel lid, described dropping funnel is made up of fluid cylinder, liquid outlet, as shown in Figure 1, dropping funnel integrally blow molding, dropping funnel lid is injection mo(u)lding, and fluid cylinder is the cylindrical drum in certain taper, liquid outlet is straight cylindrical drum, and liquid outlet is for setting up the connection of safe blow molding drip chamber assembly and infusion tube.Dropping funnel lid is as in figure 2 it is shown, dropping funnel lid is made up of inlet, dropper and feeding opening, identical with the dropping funnel cover of injection mo(u)lding dropper component.From the difference of injection mo(u)lding dropper component, the present invention is that the manufacture method of dropping funnel is different, injection mo(u)lding dropper component can load in dropping funnel air bleeding valve or only the parts such as liquid film for increasing automatic aerofluxus or the automatic liquid-stopping function of dropping funnel, so far blow molding dropper component can not within it load air bleeding valve or only the parts such as liquid film for increasing automatic aerofluxus or the automatic liquid-stopping function of dropping funnel, if realizing automatic aerofluxus or automatic liquid-stopping function then must designing other complex component in the dropping funnel cap position of blow molding dropper component, as shown in Figure 3, and the present invention solve blow molding dropper component can not load air bleeding valve or only the parts such as liquid film for increasing automatic aerofluxus or the problem of automatic liquid-stopping function of dropping funnel.The dropping funnel part of injection mo(u)lding dropper component and the production of dropping funnel cover are all intermittent, and the dropping funnel part of the blow molding dropper component of the present invention is consecutive production, substantially has improvement in production efficiency.
Above-mentioned safe blow molding drip chamber assembly, wherein, described dropping funnel is two-layer composite, internal layer is medical polymer material layer, use medical grade Polyurethane Thermoplastic Elastomer (TPU), or ethylene-vinyl acetate copolymer (EVA), or polyethylene (PE), or polypropylene (PP), or thermoplastic elastomer (TPE) (TPE) material manufacture；Outer layer is the medical grade pvc material being added with coloring agent.The present invention adds coloring agent at outer layer, reduces the risk that lucifuge agent precipitate in medicinal liquid, the effective guarantee safety of infusion medicinal liquid.
Present invention also offers the manufacture method of dropping funnel described in a kind of technique scheme, described method comprises the steps:
A1: Design of Dies is two parts, and mould coordinates making dropping funnel up and down, gets the raw materials ready by formula metering；
A2: mold is designed to the left-half that described dropping funnel is the most tangent, and lower mold is designed to the right half part that described dropping funnel is the most tangent, and upper/lower die is symmetrical, and mold, lower mold are combined the dropping funnel part constituting whole safe blow molding drip chamber assembly；
A3: designing more than 1, or 2, or 2 dropping funnel die cavity on mould, double layer material is blown to dropping funnel shape at dropping funnel die cavity position；
A4: after cooled sizing, uses cutter to carry out first, last section cutting.
Present invention also offers the manufacture method of dropping funnel described in another kind of technique scheme, described method comprises the steps:
A1: Design of Dies is two parts, and mould coordinates making dropping funnel up and down, gets the raw materials ready by formula metering；
A2: mold is designed to the non-liquid outlet end of said two dropping funnel and connects the most tangent left-half, lower mold is designed to the non-liquid outlet end of said two dropping funnel and connects the most tangent right half part, upper/lower die is symmetrical, and mold, lower mold are combined two dropping funnel non-liquid outlet ends of composition and are connected together；
A3: designing more than 1, or 2, or 2 dropping funnel die cavity on mould, double layer material is blown to the shape that two dropping funnel non-liquid outlet ends connect at dropping funnel die cavity position；
A4: after cooled sizing, use cutter carry out head, in, latter end cutting.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the those of ordinary skill of technical field, without departing from the spirit and scope of the present invention, it is also possible to make a variety of changes and modification.The technical scheme of the most all equivalents falls within the protection category of the present invention.
Claims (2)
1. safe blow molding drip chamber assembly, it is characterised in that described dropper component is made up of dropping funnel and dropping funnel lid, described dropping funnel by fluid cylinder,
Liquid outlet forms, and dropping funnel integrally blow molding, dropping funnel lid is injection mo(u)lding, and fluid cylinder is the cylindrical drum in certain taper, liquid outlet
For straight cylindrical drum, liquid outlet is for setting up the connection of safe blow molding drip chamber assembly and infusion tube；
Described dropping funnel is two-layer composite, and internal layer is medical polymer material layer, and outer layer uses the medical grade being added with coloring agent to gather
Vinyl chloride material；
Wherein, described dropping funnel is fabricated by by following methods, comprises the following steps:
A1: Design of Dies is two parts, and mould coordinates making dropping funnel up and down, gets the raw materials ready by formula metering；
A2: mold is designed to the non-liquid outlet end of two dropping funnels and connects the most tangent left-half, and lower mold is designed to said two
The non-liquid outlet end of dropping funnel connects longitudinally the most tangent right half part, and upper/lower die is symmetrical, and mold, lower mold are combined composition
Two dropping funnel non-liquid outlet ends are connected together；
A3: designing more than 1, or 2, or 2 dropping funnel die cavity on mould, double layer material is blown to two at dropping funnel die cavity position
The shape that dropping funnel non-liquid outlet end connects；
A4: after cooled sizing, use cutter carry out head, in, latter end cutting.
Safe blow molding drip chamber assembly the most according to claim 1, it is characterised in that described internal layer uses medical grade thermoplastic poly
Urethane elastomer, or ethylene-vinyl acetate copolymer, or polyethylene, or polypropylene, or thermoplastic elastic material manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059461.6A CN103751879B (en) | 2014-02-21 | 2014-02-21 | Safe blow molding drip chamber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059461.6A CN103751879B (en) | 2014-02-21 | 2014-02-21 | Safe blow molding drip chamber assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103751879A CN103751879A (en) | 2014-04-30 |
| CN103751879B true CN103751879B (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410059461.6A Active CN103751879B (en) | 2014-02-21 | 2014-02-21 | Safe blow molding drip chamber assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103751879B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127933A (en) * | 2014-07-08 | 2014-11-05 | 北京伏尔特技术有限公司 | Liquid infusion device capable of preventing medium from making contact with adhesive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537216A (en) * | 2009-04-21 | 2009-09-23 | 中国科学院长春应用化学研究所 | Safe infusion apparatus and preparation method thereof |
| CN101804226A (en) * | 2010-04-02 | 2010-08-18 | 江西三鑫医疗器械集团有限公司 | Low adsorption multi-layer co-extrusion light proofing infusion apparatus |
| CN102211396A (en) * | 2011-05-19 | 2011-10-12 | 东莞佳鸿机械制造有限公司 | Mold clamping mechanism of plastic blowing machine |
| CN202168987U (en) * | 2011-07-18 | 2012-03-21 | 河南曙光健士医疗器械集团有限公司 | Disposable self-exhausting and self-stopping infusion apparatus |
| CN203694246U (en) * | 2014-02-21 | 2014-07-09 | 北京伏尔特技术有限公司 | Safety type blow molding dripping bucket module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171844Y (en) * | 2008-03-26 | 2008-12-31 | 珠海福尼亚医用高分子材料制品有限公司 | Laryngeal mask |
| CN101716124B (en) * | 2009-12-17 | 2014-04-16 | 安徽丰原药业股份有限公司 | Jointless transfusion soft bag and preparation method thereof |
-
2014
- 2014-02-21 CN CN201410059461.6A patent/CN103751879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537216A (en) * | 2009-04-21 | 2009-09-23 | 中国科学院长春应用化学研究所 | Safe infusion apparatus and preparation method thereof |
| CN101804226A (en) * | 2010-04-02 | 2010-08-18 | 江西三鑫医疗器械集团有限公司 | Low adsorption multi-layer co-extrusion light proofing infusion apparatus |
| CN102211396A (en) * | 2011-05-19 | 2011-10-12 | 东莞佳鸿机械制造有限公司 | Mold clamping mechanism of plastic blowing machine |
| CN202168987U (en) * | 2011-07-18 | 2012-03-21 | 河南曙光健士医疗器械集团有限公司 | Disposable self-exhausting and self-stopping infusion apparatus |
| CN203694246U (en) * | 2014-02-21 | 2014-07-09 | 北京伏尔特技术有限公司 | Safety type blow molding dripping bucket module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103751879A (en) | 2014-04-30 |
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