CN105999467A - Injection pump and multichannel injection system as well as operating methods thereof - Google Patents
Injection pump and multichannel injection system as well as operating methods thereof Download PDFInfo
- Publication number
- CN105999467A CN105999467A CN201610324157.9A CN201610324157A CN105999467A CN 105999467 A CN105999467 A CN 105999467A CN 201610324157 A CN201610324157 A CN 201610324157A CN 105999467 A CN105999467 A CN 105999467A
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- CN
- China
- Prior art keywords
- syringe
- injection
- temperature
- pushing mechanism
- temperature control
- Prior art date
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14526—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons the piston being actuated by fluid pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
Abstract
The invention relates to an injection pump and a multichannel injection system as well as operating methods of the injection pump and the multichannel injection system. The injection pump comprises an injection syringe and a temperature control pushing mechanism, wherein the temperature control pushing mechanism is suitable for controlling the movement of a piston in the injection syringe according to the temperature variation, so that injection solution in the injection syringe is injected. According to the injection pump and the multichannel injection system, the injection action is realized through temperature regulation, the whole injection pump can be miniaturized, in addition, power sources including a stepping motor are saved, therefore, the work noise is reduced, and the phenomena such as vibration and pulsing possibly occurring are avoided; moreover, the variation of temperature is in certain linear relation with the expansion or contraction of the liquid in a liquid storage cavity, and therefore, the control over the injection amount can be conveniently realized according to the temperature control.
Description
Technical field
The present invention relates to a kind of micro fluidic control experimental provision, be specifically related to a kind of syringe pump and multichannel injecting systems and method of work.
Background technology
The operation principle of micro-injection pump is with motor as power source, system sends control pulse makes motor rotate, motor drives screw mandrel to rotate, leading screw drives the head of injecting on transmission nut to move along a straight line, thus the motion of pushing syringe piston linear, in making syringe, liquid flows in one direction, and the fltting speed of liquid can regulate by setting the rotary motion of screw rod, thus adjusts given liquid dosages.
But owing to using motor as power source, cause and produce certain noise when injection, and whole injection device volume is bigger, it is impossible to realize miniaturization.
Summary of the invention
It is an object of the invention to provide a kind of syringe pump and method of work thereof, to complete injection by the injection in temperature-driven syringe.
In order to solve above-mentioned technical problem, the invention provides a kind of syringe pump, including: syringe and temperature control pushing mechanism, described temperature control pushing mechanism is suitable to control the movement of syringe inner carrier according to variations in temperature, makes the injection in syringe complete injection.
Further, described temperature control pushing mechanism is connected with syringe inner carrier by push rod, to control the movement of syringe inner carrier according to variations in temperature, makes the injection in syringe complete injection.
Further, described temperature control pushing mechanism includes: liquid storage cylinder, and this liquid storage intracavity liquid is heated up by attemperating unit and expands or cooling is shunk, to drive the promotion piston in temperature control pushing mechanism to move, and described in advance the plunger through push rod and be connected with syringe inner carrier.
Further, described temperature control pushing mechanism is connected with the rear end of syringe by connecting tube, and control variations in temperature so that expansion of liquids or contraction in liquid storage cylinder in temperature control pushing mechanism by attemperating unit, i.e. when expansion of liquids, liquid enters the rear end of syringe by connecting tube, with the movement of pushing syringe inner carrier, complete injection.
Further, described attemperating unit includes: processor module, for liquid storage intracavity liquid carries out temperature controlled semiconductor refrigeration sheet, and described semiconductor refrigeration sheet is connected with driving module；Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；And described processor module is also connected with for detecting the temperature sensor of temperature of liquid.
Further, described processor module is connected with key-press module intensification or cooling numerical value to set semiconductor refrigeration sheet, and described processor module be further adapted for will heat up or the lower the temperature injection volume of numerical value conversion is shown by display module.
Another aspect, be present invention also offers the method for work of a kind of syringe pump, is i.e. controlled the movement of syringe inner carrier by variations in temperature, makes the injection in syringe complete injection.
The third aspect, present invention also offers a kind of multichannel injecting systems, the while of to realize multichannel or injects according to a definite sequence.
Described multichannel injecting systems includes: in several described syringe pumps, and each syringe pump, temperature control pushing mechanism is by PC control.
Fourth aspect, or injects according to a definite sequence to realize multichannel simultaneously, present invention also offers the method for work of a kind of multichannel injecting systems.
The method of work of described multichannel injecting systems, i.e. host computer are suitable to control corresponding temperature control pushing mechanism in each syringe pump and simultaneously or gradually advance corresponding syringe, to complete injection.
The invention has the beneficial effects as follows, the syringe pump of the present invention and method of work thereof, it realizes action of injection by temperature adjusting, whole syringe pump can be realized miniaturization, and eliminate the power sources such as motor, reduce operating noise, it is to avoid contingent vibration and pulse phenomenon, improve the smoothly and continuously property of fluid；And due to expansion of liquids or be shrunk to some linear in change and the liquid storage cylinder of temperature, it is possible to very easily according to the control of temperature control realization injection volume；And multichannel injecting systems and method of work thereof are capable of the linkage of many syringe pumps, have met the injection requirement needed for some complex experiments.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the first embodiment of the syringe pump of the present invention；
Fig. 2 is the second embodiment of the syringe pump of the present invention.
Fig. 3 is the theory diagram of temperature control pushing mechanism；
Fig. 4 is the theory diagram of multichannel injecting systems.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present embodiment 1 provides a kind of syringe pump, including: syringe 1 and temperature control pushing mechanism 2, described temperature control pushing mechanism 2 is suitable to control the movement of syringe inner carrier 101 according to variations in temperature, makes the injection in syringe complete injection.
A kind of optional embodiment as syringe pump:
As it is shown in figure 1, described temperature control pushing mechanism is connected with syringe inner carrier 101 by push rod 3, to control the movement of syringe inner carrier 101 according to variations in temperature, the injection in syringe 1 is made to complete injection.
Concrete, described temperature control pushing mechanism includes: liquid storage cylinder 200, in this liquid storage cylinder 200, liquid is heated up by attemperating unit and expands or cooling is shunk, and to drive the promotion piston 201 in temperature control pushing mechanism 2 to move, and described promotion piston 201 is connected with syringe inner carrier 101 by push rod 3.
Another kind of optional embodiment as syringe pump:
As in figure 2 it is shown, described temperature control pushing mechanism 2 is connected with the rear end of syringe 1 by connecting tube 4, and by attemperating unit control variations in temperature so that expansion of liquids or contraction in liquid storage cylinder 200 in temperature control pushing mechanism 2, i.e.
When expansion of liquids, liquid enters the rear end of syringe 1 by connecting tube 4, with the movement of pushing syringe inner carrier 101, completes injection.
Wherein, optionally, described connecting tube 4 can use the most expansive flexible pipe or hard tube.In liquid storage cylinder 200, liquid is high such as but not limited to using the coefficient of expansion such as hydrargyrum, ethanol, and expands the liquid with temperature once linear change.
Further, described attemperating unit includes: processor module, for liquid storage intracavity liquid carries out temperature controlled semiconductor refrigeration sheet 202, and described semiconductor refrigeration sheet 202 is connected with driving module；Wherein, described semiconductor refrigeration sheet 202 is suitable to be positioned at the rear end of liquid storage cylinder 200 or be wrapped in outside liquid storage cylinder 200.
Described processor module is suitable to by driving module control semiconductor refrigeration sheet 202 to heat up, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet 202 is lowered the temperature；And described processor module is also connected with for detecting the temperature sensor 203 of temperature of liquid.
Concrete, described driving module includes: the push-pull drive unit being connected with processor module, the transformer coupled unit being connected with push-pull drive unit, the rectification output unit being connected with transformer coupled unit, the outfan of this rectification output unit is connected with sense of current switch unit, and this sense of current switch unit is connected with semiconductor refrigeration sheet；Wherein, described sense of current switch unit includes that positive voltage exports subelement, negative voltage output subelement, alternative analog switch subelement, the concrete input of described alternative analog switch subelement is connected with the outfan of described rectification output unit, the first of this alternative analog switch subelement, the input that second outfan exports subelement with described positive voltage output subelement and negative voltage respectively is connected, described positive voltage output subelement is connected with the feeder ear of described semiconductor refrigeration sheet with the outfan of negative voltage output subelement, to realize sense of current switching.
Further, described processor module is connected with key-press module intensification or cooling numerical value to set semiconductor refrigeration sheet, and described processor module be further adapted for will heat up or the lower the temperature injection volume of numerical value conversion is shown by display module.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides the method for work of a kind of syringe pump, is controlled the movement of syringe inner carrier by variations in temperature, makes the injection in syringe complete injection.
Embodiment 3
As shown in Figure 4, on the basis of embodiment 1, the present embodiment 3 provides a kind of multichannel injecting systems, the while of to realize multichannel or injects according to a definite sequence.
Described multichannel injecting systems includes: in several described syringe pumps, and each syringe pump, temperature control pushing mechanism is by PC control.
Embodiment 4
On the basis of embodiment 3, the present embodiment 4 provides the method for work of a kind of multichannel injecting systems, and host computer is suitable to control corresponding temperature control pushing mechanism in each syringe pump and simultaneously or gradually advances corresponding syringe, to complete injection.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this invention technological thought.The content that the technical scope of this invention is not limited in description, it is necessary to determine its technical scope according to right.
Claims (9)
1. a syringe pump, it is characterised in that including: syringe and temperature control pushing mechanism, described temperature control pushing mechanism is suitable to control the movement of syringe inner carrier according to variations in temperature, makes the injection in syringe complete injection.
Syringe pump the most according to claim 1, it is characterised in that described temperature control pushing mechanism is connected with syringe inner carrier by push rod, to control the movement of syringe inner carrier according to variations in temperature, makes the injection in syringe complete injection.
Syringe pump the most according to claim 2, it is characterized in that, described temperature control pushing mechanism includes: liquid storage cylinder, this liquid storage intracavity liquid is heated up by attemperating unit and expands or cooling contraction, to drive the promotion piston in temperature control pushing mechanism to move, and described in advance the plunger through push rod and be connected with syringe inner carrier.
Syringe pump the most according to claim 1, it is characterised in that described temperature control pushing mechanism is connected with the rear end of syringe by connecting tube, and by attemperating unit control variations in temperature so that expansion of liquids or contraction in liquid storage cylinder in temperature control pushing mechanism, i.e.
When expansion of liquids, liquid enters the rear end of syringe by connecting tube, with the movement of pushing syringe inner carrier, completes injection.
5., according to the syringe pump described in claim 3 or 4, it is characterised in that described attemperating unit includes: processor module, for liquid storage intracavity liquid carries out temperature controlled semiconductor refrigeration sheet, described semiconductor refrigeration sheet is connected with driving module；
Described processor module is suitable to by driving module to control semiconductor refrigeration sheet intensification, or changes its electric current outbound course by controlling driving module, it is achieved semiconductor refrigeration sheet is lowered the temperature；And
Described processor module is also connected with the temperature sensor being used for detecting temperature of liquid.
Syringe pump the most according to claim 5, it is characterized in that, described processor module is connected with key-press module intensification or cooling numerical value to set semiconductor refrigeration sheet, and described processor module be further adapted for will heat up or the lower the temperature injection volume of numerical value conversion is shown by display module.
7. the method for work of a syringe pump, it is characterised in that controlled the movement of syringe inner carrier by variations in temperature, makes the injection in syringe complete injection.
8. a multichannel injecting systems, it is characterised in that including: in several syringe pumps as claimed in claim 1, and each syringe pump, temperature control pushing mechanism is by PC control.
9. the method for work of a multichannel injecting systems as claimed in claim 8, it is characterised in that host computer is suitable to control corresponding temperature control pushing mechanism in each syringe pump and simultaneously or gradually advances corresponding syringe, to complete injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324157.9A CN105999467A (en) | 2016-05-16 | 2016-05-16 | Injection pump and multichannel injection system as well as operating methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324157.9A CN105999467A (en) | 2016-05-16 | 2016-05-16 | Injection pump and multichannel injection system as well as operating methods thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105999467A true CN105999467A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610324157.9A Pending CN105999467A (en) | 2016-05-16 | 2016-05-16 | Injection pump and multichannel injection system as well as operating methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105999467A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901811A (en) * | 2017-03-24 | 2017-06-30 | 中山市智辉科技服务有限公司 | A kind of B ultrasonic sting device |
| CN111084915A (en) * | 2019-12-31 | 2020-05-01 | 无锡物联网创新中心有限公司 | Micro-power injection device and batching equipment |
| CN111289681A (en) * | 2020-03-24 | 2020-06-16 | 杭州浅海科技有限责任公司 | Injection method suitable for marine instrument |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035630U (en) * | 1988-06-25 | 1989-04-12 | 张瑞武 | Multifunctional semi-conductor constant temp. medical kit |
| CN1947804A (en) * | 2006-11-08 | 2007-04-18 | 浙江大学医学仪器有限公司 | Bed side injection system |
| CN102836478A (en) * | 2006-10-26 | 2012-12-26 | 马林克罗特有限公司 | Medical fluid injector having a thermo-mechanical driver |
| CN204017044U (en) * | 2014-08-19 | 2014-12-17 | 谢春梨 | A kind of transfusion temperature control equipment |
| CN105536112A (en) * | 2014-10-29 | 2016-05-04 | 向英 | Liquid medicine temperature regulating and control device for infusion |
| CN206063498U (en) * | 2016-05-16 | 2017-04-05 | 江苏微全芯生物科技有限公司 | A kind of syringe pump and multichannel injecting systems |
-
2016
- 2016-05-16 CN CN201610324157.9A patent/CN105999467A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035630U (en) * | 1988-06-25 | 1989-04-12 | 张瑞武 | Multifunctional semi-conductor constant temp. medical kit |
| CN102836478A (en) * | 2006-10-26 | 2012-12-26 | 马林克罗特有限公司 | Medical fluid injector having a thermo-mechanical driver |
| CN1947804A (en) * | 2006-11-08 | 2007-04-18 | 浙江大学医学仪器有限公司 | Bed side injection system |
| CN204017044U (en) * | 2014-08-19 | 2014-12-17 | 谢春梨 | A kind of transfusion temperature control equipment |
| CN105536112A (en) * | 2014-10-29 | 2016-05-04 | 向英 | Liquid medicine temperature regulating and control device for infusion |
| CN206063498U (en) * | 2016-05-16 | 2017-04-05 | 江苏微全芯生物科技有限公司 | A kind of syringe pump and multichannel injecting systems |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901811A (en) * | 2017-03-24 | 2017-06-30 | 中山市智辉科技服务有限公司 | A kind of B ultrasonic sting device |
| CN106901811B (en) * | 2017-03-24 | 2019-07-19 | 中山市智辉科技服务有限公司 | A kind of B ultrasound sting device |
| CN111084915A (en) * | 2019-12-31 | 2020-05-01 | 无锡物联网创新中心有限公司 | Micro-power injection device and batching equipment |
| CN111289681A (en) * | 2020-03-24 | 2020-06-16 | 杭州浅海科技有限责任公司 | Injection method suitable for marine instrument |
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Application publication date: 20161012 |