CN205515569U - Join in marriage conveyer pipe and fluid distribution device for liquid pump - Google Patents
Join in marriage conveyer pipe and fluid distribution device for liquid pump Download PDFInfo
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- CN205515569U CN205515569U CN201620108670.XU CN201620108670U CN205515569U CN 205515569 U CN205515569 U CN 205515569U CN 201620108670 U CN201620108670 U CN 201620108670U CN 205515569 U CN205515569 U CN 205515569U
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- pipe
- conduit
- conveying pipe
- liquid
- pump
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Abstract
The utility model relates to a join in marriage conveyer pipe and fluid distribution device for liquid pump belongs to medical instrument technical field. This conveyer pipe is including first, the second, the third pipe that communicate in proper order, first pipe terminal with the infusion bag intercommunication, the second pipe is installed in the peristaltic pump, first, second, third pipe internal diameter are the same, the end that the second pipe was kept away from to the third pipe has gas port, gas port and the air pump connected who has the pressure gauge, be equipped with the flexible plunger with the airtight laminating of third pipe inner wall in the third pipe, the lateral wall of third pipe has the liquid mouth, and the liquid mouth lies in one side that the gas port was kept away from to flexible plunger, liquid antilinear syringe and powder needle bottle intercommunication, the liquid mouth is equipped with the valve, the valve have block up when the valve is closed the liquid mouth and with the liquid mouth around the valve face of third pipe lateral wall parallel and level. This fluid distribution device contains above -mentioned conveyer pipe. Adopt the utility model discloses afterwards, in can ensureing in the pipe that the liquid medicine is whole and getting into infusion bag, avoid descending because of liquid medicine wall built -up in the pipe makes transfusion medicine content.
Description
Technical field
This utility model relates to a kind of dosing pump conveying pipe and liquid dispensing device, belongs to technical field of medical instruments.
Background technology
According to the inventors knowledge, increasing hospital compounding centers begins with automatic liquid matching pump to prepare transfusion, this automatic liquid matching pump is often with peristaltic pump as power source, by continuous extruded conduit, liquid in pipe is extruded or suction, such as, patent No. 201320821947.X, Authorization Notice No. CN203598225U, the Chinese utility model patent of entitled " a kind of aqueous injection dispensation apparatus driven by peristaltic pump ", patent No. 201420294285.X, Authorization Notice No. CN203852656U, the Chinese utility model patent of entitled " vein dispensation apparatus ".
But, most of peristaltic pumps are after in powder pin bottle, liquid exhausts, it is impossible to only drained into completely in transfusion bag by liquid in conduit with to the extruding of air, make pipe inner wall often remain the least medicinal liquid and drip, the transfusion content of dispersion causing preparation is inaccurate, and then affects therapeutic effect.
Utility model content
This utility model purpose is: the problem existed for above-mentioned prior art, proposes a kind of dosing pump conveying pipe and liquid dispensing device, it is to avoid pipe inner liquid medicine remains.
In order to reach object above, the technical solution of the utility model is as follows:
A kind of dosing pump conveying pipe, including first, second, third conduit being sequentially communicated, described first catheter tip connects with transfusion bag, and described second conduit is installed in peristaltic pump；It is characterized in that, described first, second, third catheter diameter is identical；Described 3rd conduit has QI KOU away from the end of the second conduit, and described QI KOU connects with having manometric air pump；It is provided with and the Flexible plunger of the 3rd airtight laminating of pipe inner wall in described 3rd conduit；The sidewall of described 3rd conduit has liquid mouth, and described liquid mouth is positioned at the Flexible plunger side away from QI KOU, and described liquid mouth connects with powder pin bottle through sample introduction needle；Described liquid mouth is provided with valve, plugging fluid mouth the valve face concordant with the 3rd duct wall around liquid mouth when described valve has valve closing.
During use, peristaltic pump rotates forward draws liquid in powder pin bottle from transfusion bag, after powder pin bottle concussion mixing liquid, peristaltic pump reversion from powder pin bottle by medicinal liquid sucking-off and lead back transfusion bag；When powder pin bottle inner liquid medicine is blotted, closing valve, booster air pump is inflated and keeps certain pressure, makes Flexible plunger move to transfusion bag, is scraped and push transfusion bag to by wall built-up drop on the way；Owing to plunger has flexibility, even if being extruded to also to damage peristaltic pump when by peristaltic pump, and still can keep sealing and continuing to move to transfusion bag under the pressure that air pump keeps with tube wall after extruding；When Flexible plunger moves to the first catheter tip, all transfusion bag will be pushed, after unloading transfusion bag by medicinal liquid, air pump is bled and peristaltic pump reversion, make Flexible plunger move to the 3rd conduit QI KOU, and move to stopping time between liquid mouth and QI KOU at Flexible plunger, be i.e. ready for putting into using next time.
For avoiding being sucked air pump sucking back Flexible plunger mistiming: being additionally provided with block piece in described 3rd conduit, described block piece is positioned at the Flexible plunger opposite side near QI KOU, and described block piece has passage.
For avoiding causing flow of infusate content to be forbidden because Flexible plunger speckles with medicinal liquid: the material of described Flexible plunger is hydrophobic material.
This utility model can also use following preferred version:
Preferably, described first catheter tip is provided with dismountable filter screen.Filter screen can be installed as required additional with the solid particle filtering in medicinal liquid.
Preferably, it is provided with dismountable air filter screen at the QI KOU of described 3rd conduit.Air filter screen can be installed as required additional to filter the solid particle in air pump insufflation gas.
Preferably, described first, second, third conduit is one-body molded.
Additionally, this utility model also provides for:
A kind of liquid dispensing device, has peristaltic pump and conveying pipe, it is characterized in that, described conveying pipe uses previously described dosing pump conveying pipe.
For further facilitating the use of this conveying pipe: described peristaltic pump has drive shaft and pump head, described drive shaft is connected with pump head through expansion link；Described pump head leaves the holding state of conveying pipe when having squeezed state and the expansion link retraction of extruding conveying pipe when expansion link stretches out.So when Flexible plunger is by the second conduit, make pump head be in holding state, then Flexible plunger can more be smoothly through the second conduit under gas pressure.
After using this utility model, it can be ensured that conduit inner liquid medicine fully enters in transfusion bag, it is to avoid make flow of infusate content decline because of conduit inner liquid medicine wall built-up.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described.
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the structural representation of this utility model embodiment 2.
Detailed description of the invention
Embodiment 1
As it is shown in figure 1, the dosing pump conveying pipe of the present embodiment includes first, second, third conduit 11,12,13 being sequentially communicated, the first conduit 11 end connects with transfusion bag 18, and the second conduit 12 is installed in peristaltic pump 14；First, second, third conduit 11,12,13 internal diameter is identical；3rd conduit 13 has QI KOU 131 away from the end of the second conduit 12, and QI KOU 131 connects with having manometric air pump 15；It is provided with in 3rd conduit 13 and the Flexible plunger 132 of the 3rd conduit 13 airtight laminating of inwall；The sidewall of the 3rd conduit 13 has liquid mouth 133, and liquid mouth 133 is positioned at the Flexible plunger 132 side away from QI KOU 131, and liquid mouth 133 connects with powder pin bottle 17 through sample introduction needle 16；Liquid mouth 133 is provided with valve 134.Valve 134 has plugging fluid mouth 133 the valve face (not shown) concordant with the 3rd conduit 13 sidewall around liquid mouth 133 when valve 134 is closed, valve 134 can be the rotary piston valve (being similar to the glass piston valve of acid buret) meeting this qualifications, it is also possible to be other valve meeting this qualifications.
Being additionally provided with block piece 135 in 3rd conduit 13, block piece 135 is positioned at the Flexible plunger 132 opposite side near QI KOU 131, and block piece 135 has passage (not shown).The material of Flexible plunger 132 is hydrophobic material.First conduit 11 end is provided with dismountable filter screen (not shown).Dismountable air filter screen (not shown) it is provided with at the QI KOU 131 of the 3rd conduit 13.First, second, third conduit 13 is one-body molded.
Use process is as follows:
(1) peristaltic pump rotates forward and draws liquid from transfusion bag in powder pin bottle, after powder pin bottle concussion mixing liquid, peristaltic pump reversion from powder pin bottle by medicinal liquid sucking-off and lead back transfusion bag.
(2) when powder pin bottle inner liquid medicine is blotted, closing valve, booster air pump is inflated and keeps predetermined pressure, and meanwhile peristaltic pump continues reversion；Flexible plunger moves to transfusion bag under gas pressure, thus is scraped and push transfusion bag to by wall built-up drop on the way.
Owing to plunger has flexibility, even if being extruded to also to damage peristaltic pump when by peristaltic pump, and still can keep sealing and continuing to move to transfusion bag under the air pressure that air pump keeps with tube wall after extruding.
(3) when Flexible plunger moves to the first catheter tip, all transfusion bag will be pushed by medicinal liquid.
(4), after unloading transfusion bag, the first catheter tip connects with ambient atmosphere；Air pump is bled and peristaltic pump reversion, makes Flexible plunger move to the 3rd conduit QI KOU, and moves to stopping time between liquid mouth and QI KOU at Flexible plunger, is i.e. ready for putting into using next time.
Embodiment 2
As in figure 2 it is shown, the liquid dispensing device of the present embodiment, having peristaltic pump 14 and conveying pipe 1, conveying pipe 1 uses the dosing pump conveying pipe of embodiment 1.Peristaltic pump 14 has drive shaft 141 and pump head 142, and drive shaft 141 is connected with pump head 142 through expansion link 143；Pump head 142 has when expansion link 143 stretches out a squeezed state of extruding conveying pipe and expansion link 143 leaves the holding state of conveying pipe when retracting.
So, in embodiment 1 uses (2) to (4) of process, making the pump head of peristaltic pump keep holding state, Flexible plunger can pass through the second conduit.
In addition to the implementation, this utility model can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of this utility model requirement.
Claims (8)
1. a dosing pump conveying pipe, including first, second, third conduit being sequentially communicated, described first catheter tip connects with transfusion bag, and described second conduit is installed in peristaltic pump；It is characterized in that, described first, second, third catheter diameter is identical；Described 3rd conduit has QI KOU away from the end of the second conduit, and described QI KOU connects with having manometric air pump；It is provided with and the Flexible plunger of the 3rd airtight laminating of pipe inner wall in described 3rd conduit；The sidewall of described 3rd conduit has liquid mouth, and described liquid mouth is positioned at the Flexible plunger side away from QI KOU, and described liquid mouth connects with powder pin bottle through sample introduction needle；Described liquid mouth is provided with valve, plugging fluid mouth the valve face concordant with the 3rd duct wall around liquid mouth when described valve has valve closing.
The most according to claim 1, dosing pump conveying pipe, is characterized in that, being additionally provided with block piece in described 3rd conduit, described block piece is positioned at the Flexible plunger opposite side near QI KOU, and described block piece has passage.
The most according to claim 1, dosing pump conveying pipe, is characterized in that, the material of described Flexible plunger is hydrophobic material.
4. according to the conveying pipe of dosing pump described in claim 1 or 2 or 3, it is characterized in that, described first catheter tip is provided with dismountable filter screen.
5., according to the conveying pipe of dosing pump described in claim 1 or 2 or 3, it is characterized in that, at the QI KOU of described 3rd conduit, be provided with dismountable air filter screen.
6. according to the conveying pipe of dosing pump described in claim 1 or 2 or 3, it is characterized in that, described first, second, third conduit is one-body molded.
7. a liquid dispensing device, has peristaltic pump and conveying pipe, it is characterized in that, described conveying pipe uses the dosing pump conveying pipe described in any one of claim 1 to 6.
The most according to claim 7, liquid dispensing device, is characterized in that, described peristaltic pump has drive shaft and pump head, and described drive shaft is connected with pump head through expansion link；Described pump head leaves the holding state of conveying pipe when having squeezed state and the expansion link retraction of extruding conveying pipe when expansion link stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108670.XU CN205515569U (en) | 2016-02-03 | 2016-02-03 | Join in marriage conveyer pipe and fluid distribution device for liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108670.XU CN205515569U (en) | 2016-02-03 | 2016-02-03 | Join in marriage conveyer pipe and fluid distribution device for liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205515569U true CN205515569U (en) | 2016-08-31 |
Family
ID=56775577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620108670.XU Expired - Fee Related CN205515569U (en) | 2016-02-03 | 2016-02-03 | Join in marriage conveyer pipe and fluid distribution device for liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205515569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901986A (en) * | 2017-04-01 | 2017-06-30 | 上海市卫邦机器人有限公司 | For robot and the cooperation joint and fitting method of priming device of making up a prescription |
| CN108364059A (en) * | 2018-03-07 | 2018-08-03 | 中国水产科学研究院南海水产研究所 | A kind of shrimp seedling counting device and method of counting |
| CN108888827A (en) * | 2018-06-25 | 2018-11-27 | 南京市第医院 | Multifunctional intellectual infusion pump |
-
2016
- 2016-02-03 CN CN201620108670.XU patent/CN205515569U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901986A (en) * | 2017-04-01 | 2017-06-30 | 上海市卫邦机器人有限公司 | For robot and the cooperation joint and fitting method of priming device of making up a prescription |
| CN108364059A (en) * | 2018-03-07 | 2018-08-03 | 中国水产科学研究院南海水产研究所 | A kind of shrimp seedling counting device and method of counting |
| CN108888827A (en) * | 2018-06-25 | 2018-11-27 | 南京市第医院 | Multifunctional intellectual infusion pump |
| CN108888827B (en) * | 2018-06-25 | 2023-08-25 | 南京市第一医院 | Multifunctional intelligent infusion pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190203 |