CN101905046B - Micro-dose flow regulator - Google Patents
Micro-dose flow regulator Download PDFInfo
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- CN101905046B CN101905046B CN2010102660741A CN201010266074A CN101905046B CN 101905046 B CN101905046 B CN 101905046B CN 2010102660741 A CN2010102660741 A CN 2010102660741A CN 201010266074 A CN201010266074 A CN 201010266074A CN 101905046 B CN101905046 B CN 101905046B
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- upper shell
- lower house
- hole
- micro
- groove
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- 230000001603 reducing effect Effects 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000001802 infusion Methods 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 10
- 241000557258 Lathys Species 0.000 abstract 4
- 238000005096 rolling process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000146 antalgic effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a micro-dose flow regulator. The micro-dose flow regulator comprises an upper shell and a lower shell, wherein a liquid inlet conduit joint is arranged in the upper shell; a liquid outlet conduit joint is arranged in the lower shell; the upper shell is connected with the lower shell through a central fastener; a lathy through hole communicated with the liquid inlet conduit joint is radially formed on the bottom end face of the upper shell; the upper end face of the lower shell is contacted with the bottom end face of the upper shell; a reducing transfusion groove from narrow to wide is formed on the upper end face of the lower shell opposite to the lathy through hole on the bottom end face of the upper shell; a liquid outlet round through hole communicated with the liquid outlet conduit joint is formed on the widest part of the reducing transfusion groove; the lathy through hole of the upper shell, the reducing transfusion groove on the upper end face of the lower shell and the liquid outlet round through hole form an interconnected transfusion channel; and the width of the reducing transfusion groove opposite to the lathy through hole is regulated by relatively rotating the upper shell and the lower shell, so that the accurate and micro-dose adjustment of the transfusion flow is realized. The micro-dose flow regulator has the characteristics of reasonable structure, and simple and convenient operation and use.
Description
Technical field
The present invention relates to a kind of medical Transfusion device flow regulator, specifically a kind of transfusion device micro-dose flow regulator.
Background technology
We know that traditional transfusion device flow regulator is installed in the outside of transfusion catheter, through pinch roller compressing conduit, realize the transfusion device Flow-rate adjustment.The flow regulator Flow-rate adjustment precision of this structure is low, the flow immeasurability, and medical personnel can only count in the dropping funnel drop by rule of thumb and drip number and come estimated flow, have increased medical personnel's work load, and above-mentioned flow regulator is difficult to flow velocity is control effectively.At present, micro-dose flow regulator being arranged also, is the Chinese invention patent precision antalgic transfusion device of ZL02135801X like the patent No., wherein discloses a kind of its micro-dose flow regulator, is made up of rolling disc, upper shell, lower house, center.The upper shell bottom face is provided with all annular grooves, and the lower house upper surface is provided with all annular grooves.Upper shell is connected through center with lower house to be fixed, and rolling disc is clipped between upper shell and the lower house, and upper shell and lower house rotate relatively.The end face that rolling disc contacts with upper shell, lower house is respectively equipped with week cutting from deep to shallow, is provided with a through hole in the cutting bosom.During use, through the rotation rolling disc, by the cutting depth control infusion flow of upper shell, lower house through hole corresponding position rolling disc.Can be accurately, trace regulates infusion flow.But its structure is formed complicated, particularly owing to there is week cutting from deep to shallow on the rolling disc, causes the medicinal liquid residual quantity big.Be not suitable for the flow-control of some specific drugs low discharge infusions.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes above-mentioned prior art, provides a kind of rational in infrastructure, and operation, easy to use can alleviate medical personnel's work load, and Flow-rate adjustment is accurate, stable, but and the micro-dose flow regulator of regulated at will.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of micro-dose flow regulator; It comprises upper shell, lower house, is provided with the feed liquor catheter adapter in the upper shell, is provided with the fluid catheter adapter in the lower house; Upper shell, lower house interconnect through the center buckle; Can relatively rotate, it is characterized in that: said upper shell bottom face radially is provided with the slightness hole that is communicated with the feed liquor catheter adapter, and the lower house upper surface contacts with the upper shell bottom face; The slightness hole of the corresponding upper shell bottom face in lower house upper surface is provided with from narrow to wide a reducing transfusion groove; The widest part of reducing transfusion groove is provided with the fluid round tube hole that is communicated with the fluid catheter adapter, and the reducing transfusion groove and the fluid round tube hole of upper shell slightness hole, lower house upper surface form the infusion channel that is communicated with, the infuse width of groove of the reducing of slightness hole correspondence; It is the control point of infusion flow; Through relative rotation upper shell and lower house, the width of the reducing transfusion groove that the adjustment slightness hole is corresponding is realized accurate, the trace of infusion flow are regulated.
Reducing transfusion groove is annular reducing transfusion groove on the said lower house of the present invention upper surface.
The inside and outside annular seal groove that is respectively equipped with of reducing transfusion groove is equipped with sealing ring on the said lower house of the present invention upper surface in the annular seal groove.
The vertical bar shape that the said lower house of the present invention outside is provided with is protruding.Convenient hand-held the rotation.
The present invention adopts above-mentioned composition, structure; The upper shell bottom face is provided with a slightness hole; The upper surface that lower house contacts with upper shell is provided with from narrow to wide a reducing transfusion groove; During use, through relative rotation upper shell, lower house, the reducing of slightness hole corresponding position transfusion groove width control infusion flow.Against existing technologies, simple structure of the present invention, operation, easy to use can alleviate medical personnel's work load, and Flow-rate adjustment is accurate, stable, but and regulated at will, the medicinal liquid residual quantity is little.Be specially adapted to infusion flow requirement precise control, stable patient are used.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further description.
Fig. 1 is that the present invention forms structural representation.
Fig. 2 is the sketch map of upper shell bottom face of the present invention.
Fig. 3 is the sketch map of lower house of the present invention upper surface.
Fig. 4 is that infusion channel Flow-rate adjustment of the present invention changes principle schematic.
1. upper shells among the figure, 2. inner seal ring, 3. exterior seal ring, 4. lower house, 5. feed liquor catheter adapter; 6. fluid catheter adapter, 7. center buckle, 8. external seal groove, 9. in seal groove; 10. reducing shutoff face, 11. fluid round tube holes, 12. slightness holes, 13. reducings transfusion groove.
The specific embodiment
As can be seen from Figure 1, a kind of micro-dose flow regulator, it comprises upper shell 1, lower house 4; Be provided with feed liquor catheter adapter 5 in the upper shell 1; Be provided with fluid catheter adapter 6 in the lower house 4, upper shell 1, lower house 4 interconnect through center buckle 7, can relatively rotate.Micro-dose flow regulator is assembled between infusion unit titrimeter and the filter, and liquid gets into through the feed liquor catheter adapter 5 of conduit from upper shell 1, from the fluid catheter adapter 6 connecting ducts outflow of lower house 4.The concrete composition of center buckle 7, connection belong to prior art, repeat no more.
Characteristics of the present invention are: said upper shell 1 bottom face radially is provided with the slightness hole 12 that is communicated with feed liquor catheter adapter 5, like Fig. 1, shown in Figure 2.Lower house 4 upper surfaces contact with upper shell 1 bottom face; The slightness hole 12 of the corresponding upper shell bottom face in lower house 4 upper surfaces is provided with from narrow to wide a reducing transfusion groove 13; The widest part of reducing transfusion groove 13 is provided with the fluid round tube hole 11 that is communicated with fluid catheter adapter 6; The reducing transfusion groove 13 and the fluid round tube hole 11 of upper shell slightness hole 12, lower house upper surface form the infusion channel that is communicated with, like Fig. 1, shown in Figure 3.
It can also be seen that from Fig. 1, Fig. 3 the reducing of the slightness hole 12 of corresponding upper shell bottom face transfusion groove 13 is annular reducing transfusion groove on the said lower house of the present invention 4 upper surfaces.Accordingly, the end face with slightness hole 12 contact matching shutoff is annular reducing shutoff face 10.
Inside and outside being respectively equipped with in seal groove 9 in the annular, external seal groove 8, the annular of reducing transfusion groove 13 is separately installed with inner seal ring 2 and exterior seal ring 3 in seal groove 9, the external seal groove 8 on the said lower house of the present invention 4 upper surfaces.Be that contacted end face seal is more reliable like this.The vertical bar shape that the said lower house of the present invention outside is provided with is protruding.Make things convenient for the hand-held rotation of lower house 4 relative upper shells 1.
Fig. 4 is that infusion channel Flow-rate adjustment of the present invention changes principle schematic.What Fig. 4 represented is when relatively rotating upper shell 1 with lower house 4, several correspondence position states of slightness hole 12 and reducing transfusion groove 13.As can be seen from Figure 4; Relatively rotate upper shell 1 and lower house 4; The area of reducing shutoff face 10 shutoff slightness holes 12 becomes greatly gradually, and slightness hole 12 just diminishes with the communication gap of reducing transfusion groove 13 gradually, and the fluid flow that gets into reducing transfusion groove 13 just tails off; Otherwise the area of reducing shutoff face 10 shutoff slightness holes 12 diminishes gradually, and slightness hole 12 just becomes big gradually with the communication gap of reducing transfusion groove 13, and the fluid flow that gets into reducing transfusion groove 13 just becomes many.Like this, the width of the reducings transfusion groove 13 that slightness hole 12 is corresponding is control point of infusion flow, through relative rotation upper shell 1 and lower house 4, the width of the reducing transfusion groove that the adjustment slightness hole is corresponding, realize to infusion flow accurately, trace regulates.And can carry out regulating continuously arbitrarily to flow velocity according to patient's requirement.
It was loaded between infusion unit titrimeter and the filter when the present invention used; Liquid at first gets into micro-dose flow regulator through the feed liquor conduit of upper shell 1; Communication gap through the transfusion of the reducing on slightness hole 12 and the lower house 3 groove 13; Get into infusion channel, the fluid catheter that goes out that connects from lower house 4 at last flows out.Through relative rotation upper shell 1 and lower house 4, the width of the reducing transfusion groove that the adjustment slightness hole is corresponding reaches the purpose to Flow-rate adjustment.The flow scale sign is carried out in the relevant position on product, only need turn to corresponding flow scale during use, just can realize the accurate control to flow velocity.Realization is regulated accurate, the trace of infusion flow.
Claims (3)
1. micro-dose flow regulator, it comprises upper shell, lower house, is provided with the feed liquor catheter adapter in the upper shell; Be provided with the fluid catheter adapter in the lower house; Upper shell, lower house interconnect through the center buckle, can relatively rotate, and it is characterized in that: said upper shell bottom face radially is provided with the slightness hole that is communicated with the feed liquor catheter adapter; The lower house upper surface contacts with the upper shell bottom face; The slightness hole of the corresponding upper shell bottom face in lower house upper surface is provided with from narrow to wide an annular reducing transfusion groove, forms the annular reducing shutoff face with slightness hole contact matching shutoff slightness hole on the lower house upper surface, and the widest part of annular reducing transfusion groove is provided with the fluid round tube hole that is communicated with the fluid catheter adapter; The reducing transfusion groove and the fluid round tube hole of upper shell slightness hole, lower house upper surface form the infusion channel that is communicated with; The width of the reducing transfusion groove that slightness hole is corresponding is the control point of infusion flow, through relative rotation upper shell and lower house; The width of the reducing transfusion groove that the adjustment slightness hole is corresponding is realized accurate, the trace of infusion flow are regulated.
2. micro-dose flow regulator as claimed in claim 1 is characterized in that: the inside and outside annular seal groove that is respectively equipped with of reducing transfusion groove on the said lower house upper surface is equipped with sealing ring in the annular seal groove.
3. micro-dose flow regulator as claimed in claim 1 is characterized in that: it is protruding that the said lower house outside is provided with the vertical bar shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102660741A CN101905046B (en) | 2010-08-30 | 2010-08-30 | Micro-dose flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102660741A CN101905046B (en) | 2010-08-30 | 2010-08-30 | Micro-dose flow regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101905046A CN101905046A (en) | 2010-12-08 |
| CN101905046B true CN101905046B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102660741A Active CN101905046B (en) | 2010-08-30 | 2010-08-30 | Micro-dose flow regulator |
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| CN (1) | CN101905046B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933643A (en) * | 2014-04-29 | 2014-07-23 | 河南莲花医疗用品有限公司 | Infusion device flow fine-adjustment device |
| CN106110440A (en) * | 2016-06-08 | 2016-11-16 | 刁春林 | A kind of various flow adjusting means for trace anesthesia |
| CN112220994A (en) * | 2020-09-27 | 2021-01-15 | 江阴市鸿萌橡塑制品有限公司 | Micro-flow regulator for transfusion |
| CN114109806B (en) * | 2021-11-26 | 2022-12-13 | 深圳华星恒泰泵阀有限公司 | Electromagnetic pump with adjustable flow |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360088Y (en) * | 1999-01-14 | 2000-01-26 | 山东省威海医用高分子制品一厂 | Flow regulator |
| CN2579439Y (en) * | 2002-09-23 | 2003-10-15 | 佛山特种医用导管有限责任公司 | Flow regulator for infusion |
| CN1498660A (en) * | 2002-11-08 | 2004-05-26 | 山东威高集团医用高分子制品股份有限 | Precision antalgic transfusion device |
| CN201094782Y (en) * | 2007-09-17 | 2008-08-06 | 佛山特种医用导管有限责任公司 | Infusion flow adjuster and liquid controlling valve thereof |
| CN101432034A (en) * | 2006-05-03 | 2009-05-13 | Gvs有限公司 | Improved sealed device for regulating the flow rate of medical liquid directed towards a patient |
| CN201759934U (en) * | 2010-08-30 | 2011-03-16 | 威海威高医用材料有限公司 | Micro-dose flow regulator |
-
2010
- 2010-08-30 CN CN2010102660741A patent/CN101905046B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360088Y (en) * | 1999-01-14 | 2000-01-26 | 山东省威海医用高分子制品一厂 | Flow regulator |
| CN2579439Y (en) * | 2002-09-23 | 2003-10-15 | 佛山特种医用导管有限责任公司 | Flow regulator for infusion |
| CN1498660A (en) * | 2002-11-08 | 2004-05-26 | 山东威高集团医用高分子制品股份有限 | Precision antalgic transfusion device |
| CN101432034A (en) * | 2006-05-03 | 2009-05-13 | Gvs有限公司 | Improved sealed device for regulating the flow rate of medical liquid directed towards a patient |
| CN201094782Y (en) * | 2007-09-17 | 2008-08-06 | 佛山特种医用导管有限责任公司 | Infusion flow adjuster and liquid controlling valve thereof |
| CN201759934U (en) * | 2010-08-30 | 2011-03-16 | 威海威高医用材料有限公司 | Micro-dose flow regulator |
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| Publication number | Publication date |
|---|---|
| CN101905046A (en) | 2010-12-08 |
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