CN113975531A - Combined micro-pump control device - Google Patents

Combined micro-pump control device Download PDF

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Publication number
CN113975531A
CN113975531A CN202111498598.8A CN202111498598A CN113975531A CN 113975531 A CN113975531 A CN 113975531A CN 202111498598 A CN202111498598 A CN 202111498598A CN 113975531 A CN113975531 A CN 113975531A
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CN
China
Prior art keywords
injection
micro
pump
bin
electric control
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Granted
Application number
CN202111498598.8A
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Chinese (zh)
Other versions
CN113975531B (en
Inventor
王昊
韩辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Comen Medical Instruments Co Ltd
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Qilu Hospital of Shandong University
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Priority to CN202111498598.8A priority Critical patent/CN113975531B/en
Publication of CN113975531A publication Critical patent/CN113975531A/en
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Publication of CN113975531B publication Critical patent/CN113975531B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/001Apparatus specially adapted for cleaning or sterilising syringes or needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3368Temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/36General characteristics of the apparatus related to heating or cooling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/36General characteristics of the apparatus related to heating or cooling
    • A61M2205/3606General characteristics of the apparatus related to heating or cooling cooled
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/36General characteristics of the apparatus related to heating or cooling
    • A61M2205/3653General characteristics of the apparatus related to heating or cooling by Joule effect, i.e. electric resistance

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to a combined type micro-pump control device, which comprises a shell, an injection main pipe, a plurality of micro-injection devices, a saline water flushing pump, a syrup flushing pump and a circuit part, wherein a micro-pump bin and a circuit bin are arranged in the shell, each micro-injection device comprises a micro-pump inlet, an injector, an injection branch pipe and an injection electric control valve, the injector is clamped on the micro-pump inlet, one end of the injection branch pipe is communicated with the injection main pipe, the other end of the injection branch pipe is communicated with a liquid outlet of the injector, and liquid outlets of the saline water flushing pump and the syrup flushing pump are communicated with the injection main pipe through pipelines. The combined type micro-pump control device provided by the invention can complete multiple micro-injections of a patient by simultaneously preparing multiple (such as 4) medicaments once, can flush the injection main pipe, can realize brake control on the injection speed, pipeline flushing, injection frequency and injection time of each medicament, and overcomes the defect that the conventional micro-injection device cannot simultaneously prepare multiple medicaments.

Description

Combined micro-pump control device
Technical Field
The invention relates to a micro pump control device, in particular to a combined micro pump control device.
Background
Microinjection is needed in the treatment process of a plurality of patients, the minimum rate of the microinjection can reach 0.1mL/h, but when the patients need to inject a plurality of medicines, the medicines are needed to be prepared once every time of injection, and the situation of untimely medicine preparation can occur due to the long microinjection time period, so that the treatment of the illness state of the patients is influenced. The reason that a drug needs to be prepared once per injection is that some drugs need to be stored in a constant temperature range (such as a certain temperature between 4 ℃ and 20 ℃) to ensure that the drugs have drug effects, which determines that a plurality of drugs cannot be prepared at one time and placed on the existing micro-injection device because the existing micro-injection device does not have a temperature control device and cannot maintain the drugs to be injected at a required temperature.
Furthermore, for some drugs injected before and after the patient, they cannot be mixed in the injection line, which requires flushing (commonly called flushing) the injection line after the first drug is injected, and the fluid used in flushing has different requirements, some of which require flushing with saline and some of which require flushing with sugar water, which makes sure that many drugs cannot be administered at once because there is no flushing function in the prior art microinjection apparatus.
Disclosure of Invention
The present invention provides a combined micropump control device to overcome the drawbacks of the above technical problems.
The invention relates to a combined micro pump control device, which comprises a shell, an injection main pipe, a plurality of micro injection devices, a saline water flushing pump, a syrup water flushing pump and a circuit part, wherein the upper part and the lower part of an inner cavity of the shell are respectively provided with a micro pump bin and a circuit bin; the method is characterized in that: each micro injection device consists of a micro pump feeder, an injector, an injection branch pipe and an injection electric control valve, wherein the injector is clamped on the micro pump feeder, one end of the injection branch pipe is communicated with the injection main pipe, the other end of the injection branch pipe is communicated with a liquid outlet of the injector, the injection electric control valve is arranged on the injection branch pipe, and the injection electric control valve is used for controlling the on-off state of the injection branch pipe; saline water flushing pump and sweet water flushing pump are fixed in the outside of casing or set up in the micropump storehouse, the liquid outlet of saline water flushing pump and sweet water flushing pump is all responsible for with the injection through the pipeline and is linked together, the liquid outlet of saline water flushing pump and sweet water flushing pump is responsible for being provided with salt solution automatically controlled valve and sweet water automatically controlled valve on the pipeline with the injection respectively, the micropump is gone into the ware, the saline water flushing pump, the sweet water flushing pump, the injection automatically controlled valve, saline water automatically controlled valve and sweet water automatically controlled valve all are connected with circuit part, be provided with liquid crystal display and the control button that are connected with circuit part on the surface of casing lower part.
According to the combined micro-pump control device, the upper end and the lower end of the shell are respectively provided with the air inlet and the air outlet which are communicated with the micro-pump bin, and the air outlet is provided with the ventilating fan; a semiconductor refrigerating sheet and a heating resistance wire for controlling the internal temperature of the micro pump bin are arranged in the micro pump bin, the refrigerating surface of the semiconductor refrigerating sheet is positioned in the micro pump bin, and the heating surface of the semiconductor refrigerating sheet is positioned outside the shell; a temperature sensor for detecting the internal temperature of the micro-pump bin is arranged in the micro-pump bin, and the ventilating fan, the semiconductor refrigerating sheet, the heating resistance wire and the temperature sensor are all connected with the circuit part.
The invention relates to a combined micro-pump control device.A saline water container and a sugar water container are arranged inside or outside a shell, and a liquid inlet of a saline water flushing pump and a liquid inlet of a sugar water flushing pump are respectively communicated with the saline water container and the sugar water container through pipelines.
According to the combined micro-pump control device, a conical joint is arranged at one end of the injection branch pipe, which is connected with the injector.
The combined micro pump control device comprises a control circuit, and a power module, a first electric control switch and a second electric control switch which are connected with the control circuit, wherein a power interface connected with the input end of the power module is arranged on a shell, the power module is respectively connected with a semiconductor refrigeration sheet and a heating resistance wire through the first electric control switch and the second electric control switch, and the first electric control switch and the second electric control switch are both connected with the output end of the control circuit.
The invention has the beneficial effects that: the combined type micro-pump control device is provided with an injection main pipe, a plurality of micro-injection devices, a saline water flushing pump and a syrup flushing pump, wherein each micro-injection device consists of an injection branch pipe, a micro-pump injector and an injector, the injector is communicated with the injection branch pipe through the injection branch pipe, the injection branch pipe is provided with an injection electric control valve for controlling the on-off state of the injection branch pipe, and pipelines of the saline water flushing pump and the syrup flushing pump, which are communicated with the injection main pipe, are respectively provided with a saline water electric control valve and a syrup electric control valve; like this, realized once being equipped with multiple (like 4) medicines simultaneously, can accomplish patient's multiple microinjection, still can utilize salt solution or syrup to wash injection person in charge simultaneously, avoided the mixture of unmixable medicine in the injection pipeline, can realize injection speed, pipeline wash, the injection frequency of every medicine, injection time brake control, solved the drawback that current microinjection device can not be equipped with multiple medicine simultaneously.
Furthermore, the semiconductor refrigerating sheet, the heating resistance wire and the temperature sensor are arranged in the micro-pump bin, so that the temperature control (such as a certain temperature between 4 and 20 ℃) in the micro-pump bin is realized, the harsh requirement of certain medicines on the storage environment temperature is met, and the medicine effect can be ensured by injecting the medicines at intervals of a long time after the medicines are prepared.
Drawings
FIG. 1 is a front view of an integrated micro-pump control device of the present invention;
FIG. 2 is a right side view of the integrated micro-pump control device of the present invention;
FIG. 3 is a top view of the integrated micro-pump control device of the present invention;
FIG. 4 is a front view of the upper and lower housing covers of the combined micro-pump control device of the present invention in perspective;
FIG. 5 is a right side view of the integrated micro-pump control device of the present invention with the side wall removed;
fig. 6 is a schematic circuit diagram of a circuit portion of the present invention.
In the figure: the device comprises a shell, a micro-pump bin, a circuit bin 3, a main injection pipe 4, a micro-pump feeder 5, an injector 6, a branch injection pipe 7, a conical joint 8, an electronic injection valve 9, a saline flush pump 10, a syrup flush pump 11, a saline container 12, a syrup container 13, a saline electronic control valve 14, a syrup electronic control valve 15, a liquid crystal display screen 16, a control button 17, an upper bin cover 18, a lower bin cover 19, a liquid injection port 20, a semiconductor refrigeration sheet 21, a heating resistance wire 22, an air inlet 23, a fan 24, a power interface 25, a control circuit 26, a power module 27, a first electronic control switch 28, a second electronic control switch 29, an electronic control valve bank 30 and a temperature sensor 31.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1, 2 and 3, which show a front view, a right view and a top view of a combined micro-pump control device of the present invention, respectively, fig. 4 shows a front view of an upper chamber cover and a lower chamber cover of the combined micro-pump control device of the present invention, fig. 5 shows a front view of an upper chamber cover and a lower chamber cover of the combined micro-pump control device of the present invention, fig. 6 shows a schematic circuit diagram of a circuit part of the present invention, the combined micro-pump control device is composed of a housing 1, an injection main tube 4, a plurality of micro-injection devices, a saline flush pump 10, a syrup flush pump 11, a saline container 12, a syrup container 13, a heating resistance wire 22, a semiconductor chilling plate 21 and a circuit part, the housing 1 plays a role of fixing and supporting, a micro-pump chamber 2 is provided above the interior of the housing 1, the micro-pump chamber 2 is used for accommodating a plurality of micro-injection devices, below the inner wall of the housing 1 is a circuit compartment 3, the circuit compartment 3 being used to house circuit parts.
The injection main pipe 4 is positioned in the micro pump chamber 2 and penetrates out of the shell 1 so as to inject the liquid medicine into the body of a patient. The 4 micro-injection devices are arranged in the micro-pump bin 2 from top to bottom, each micro-injection device consists of a micro-pump feeder 5, an injector 6 and an injection branch pipe 7, the micro-pump feeder 5 adopts the existing universal pump feeder, the injector 6 is clamped into the micro-pump feeder 5, and the pumping speed can be controlled through the micro-pump feeder 5. One end of the injection branch pipe 7 is communicated with the injection main pipe 4, the other end of the injection branch pipe is communicated with a liquid outlet of the injector 6, and a conical joint 8 is arranged at the end part of the injection branch pipe 7 connected with the injector 6, so that the injector 6 and the injection branch pipe 7 can be conveniently plugged and pulled out.
The injection branch pipe 7 is provided with an injection electric control valve 9 for controlling the on-off state of the injection branch pipe, and when a certain injector 6 is required to inject medicine, the injection electric control valve 9 on the injection branch pipe 7 connected with the injector needs to be opened. When the injection main pipe 4 needs to be flushed, the injection electronic control valves 9 on all the injection branch pipes 7 need to be closed. It can be seen that the 4 syringes 6 shown allow for the injection of four different medicaments. An upper bin cover 18 and a lower bin cover 19 are arranged on the shell 1 corresponding to the micro-pump bin 2, the upper bin cover 18 is opened, the injector 6 can be placed in or taken down from the two micro-pump inlets 5 on the upper portion, and the lower bin cover 19 is opened, the injector 6 can be placed in or taken down from the two micro-pump inlets 5 on the lower portion, so that the micro-pump bin 2 is effectively prevented from excessively communicating with the outside, and the temperature in the micro-pump bin 2 can be effectively kept.
The illustrated saline flush pump 10 and sugar water flush pump 11 are secured above the housing 1, the upper portion of the housing 1 is secured with a saline reservoir 12 and a sugar water reservoir 13, and the saline reservoir 12 and sugar water reservoir 13 may also be disposed within the micro-pump chamber 2. The liquid outlets of the saline water flushing pump 10 and the sugar water flushing pump 11 are respectively communicated with the injection main pipe 4 through pipelines, and the liquid inlets of the saline water flushing pump 10 and the sugar water flushing pump 11 are respectively communicated with the saline water container 12 and the sugar water container 13 through pipelines. The pipeline connecting the saline water flushing pump 10 and the sugar water flushing pump 11 with the injection main pipe 4 is respectively provided with a saline water electric control valve 14 and a sugar water electric control valve 15 to control the on-off of the pipeline. When the main injection pipe 4 needs to be flushed with the saline, the saline electric control valve 14 is opened, and the sugar water electric control valve 15 is closed to flush the saline; when the main injection pipe 4 needs to be flushed with sugar water, the sugar water electronic control valve 15 is opened, and the brine electronic control valve 14 is closed.
An air inlet 23 is formed in the shell 1 above the micro pump bin 2, an air outlet is formed in the shell 1 below the micro pump bin 2, an exhaust fan 24 is arranged on the air outlet, and circulation of air in the micro pump bin 2 and the outside world can be achieved by opening the exhaust fan 24. The micro-pump bin 2 is provided with a heating resistance wire 22, a semiconductor refrigerating sheet 21 and a temperature sensor 31, wherein the heating resistance wire 22 is used for heating the environment in the micro-pump bin 2. Semiconductor refrigeration piece 21 sets up on the casing 1 at 2 rear portions in micropump storehouse, and the refrigeration face of semiconductor refrigeration piece 21 is arranged in micropump storehouse 2, and the face of generating heat is towards the external world, and semiconductor refrigeration piece 21 is used for the refrigeration to 2 internal environments in micropump storehouse. The temperature sensor 31 is used to detect the temperature in the micro pump chamber 2.
The circuit part is arranged in a circuit bin 3, a shell at the circuit bin 3 is provided with a liquid crystal display screen 16 and a control key 17, and the liquid crystal display screen 16 is used for displaying information, such as temperature information in the micro-pump bin 2 and injection remaining time information of each injector; the control key 17 performs control operations, such as setting the injection duration and whether the interval setting is performed on the injector 6.
The circuit part is composed of a control circuit 26, and a power module 27, a first electric control switch 28 and a second electric control switch 29 which are connected with the control circuit 26, and the liquid crystal display screen 16, the control key 17, the saline water flushing pump 10, the sugar water flushing pump 11, the ventilating fan 24, the four micro-pump inlets, the temperature sensor 31 and the electromagnetic valve group 30 are all connected with the control circuit 26. The input end of the power module 27 is connected to the 220V ac mains supply through the power interface 25 on the housing 1, and the power module 27 converts the input 220V ac mains supply into dc power for the control circuit 26 and each power circuit and module to supply power. The power module 27 supplies power to the semiconductor refrigeration sheet 21 through the first electronic control switch 28, and supplies power to the heating resistance wire 22 through the second electronic control switch 29, so that the control circuit 26 can control the refrigeration state of the micro-pump chamber 2 through the first electronic control switch 28, and control the heating state of the micro-pump chamber 2 through the second electronic control switch 29.

Claims (5)

1. A combined micro-pump control device comprises a shell (1), an injection main pipe (4), a plurality of micro-injection devices, a saline water flushing pump (10), a syrup flushing pump (11) and a circuit part, wherein the upper part and the lower part of an inner cavity of the shell are respectively a micro-pump bin (2) and a circuit bin (3), the micro-injection devices are arranged in the micro-pump bin from top to bottom, the injection main pipe is positioned in the micro-pump bin and penetrates out of the shell, and the circuit part is arranged in the circuit bin; the method is characterized in that: each micro-injection device consists of a micro-pump feeder (5), an injector (6), an injection branch pipe (7) and an injection electric control valve (9), wherein the injector is clamped on the micro-pump feeder, one end of the injection branch pipe is communicated with the injection main pipe, the other end of the injection branch pipe is communicated with a liquid outlet of the injector, the injection electric control valve is arranged on the injection branch pipe, and the injection electric control valve is used for controlling the on-off state of the injection branch pipe; saline water flushing pump and sweet water flushing pump are fixed in the outside of casing or set up in the micropump storehouse, the liquid outlet of saline water flushing pump and sweet water flushing pump is all responsible for with the injection through the pipeline and is linked together, the liquid outlet of saline water flushing pump and sweet water flushing pump is responsible for being provided with salt water automatically controlled valve (14) and sweet water automatically controlled valve (15) on the pipeline with the injection respectively, the micropump is gone into, the saline water flushing pump, the sweet water flushing pump, the injection automatically controlled valve, saline water automatically controlled valve and sweet water automatically controlled valve all are connected with the circuit part, be provided with liquid crystal display (16) and control button (17) that are connected with the circuit part on the surface of casing lower part.
2. The combined micropump control device of claim 1, wherein: the upper end and the lower end of the shell (1) are respectively provided with an air inlet (23) and an air outlet which are communicated with the micro pump bin (2), and the air outlet is provided with a ventilating fan (24); a semiconductor refrigerating sheet (21) and a heating resistance wire (22) for controlling the internal temperature of the micro-pump bin are arranged in the micro-pump bin, the refrigerating surface of the semiconductor refrigerating sheet is positioned in the micro-pump bin, and the heating surface of the semiconductor refrigerating sheet is positioned outside the shell (1); a temperature sensor (31) for detecting the internal temperature of the micro pump bin is arranged in the micro pump bin, and the ventilation fan, the semiconductor refrigerating sheet, the heating resistance wire and the temperature sensor are all connected with the circuit part.
3. The combined micropump control device of claim 1 or 2, wherein: a saline water container (12) and a sugar water container (13) are arranged inside or outside the shell (1), and a liquid inlet of the saline water flushing pump and a liquid inlet of the sugar water flushing pump are respectively communicated with the saline water container (12) and the sugar water container (13) through pipelines.
4. The combined micropump control device of claim 1 or 2, wherein: one end of the injection branch pipe (7) connected with the injector (6) is provided with a conical joint (8).
5. The combined micropump control device of claim 1 or 2, wherein: the circuit part comprises a control circuit (26), a power module (27), a first electric control switch (28) and a second electric control switch (29), wherein the power module, the first electric control switch and the second electric control switch are connected with the control circuit (26), a power interface (25) connected with the input end of the power module is arranged on the shell (1), the power module is respectively connected with the semiconductor refrigerating sheet (21) and the heating resistance wire (22) through the first electric control switch and the second electric control switch, and the first electric control switch and the second electric control switch are both connected with the output end of the control circuit.
CN202111498598.8A 2021-12-09 2021-12-09 Combined type micro pump control device Active CN113975531B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111498598.8A CN113975531B (en) 2021-12-09 2021-12-09 Combined type micro pump control device

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Application Number Priority Date Filing Date Title
CN202111498598.8A CN113975531B (en) 2021-12-09 2021-12-09 Combined type micro pump control device

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CN113975531A true CN113975531A (en) 2022-01-28
CN113975531B CN113975531B (en) 2023-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117504047A (en) * 2023-11-22 2024-02-06 首都医科大学宣武医院 Micropump system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206867471U (en) * 2017-01-09 2018-01-12 雷阳 A kind of micro pump
CN108298202A (en) * 2018-05-03 2018-07-20 福州市联奇智能科技有限公司 A kind of multilayer medicine-chest with temperature controlling function
CN208911130U (en) * 2018-07-06 2019-05-31 张富佳 Medical fluid continuous feeding device
CN213822936U (en) * 2020-09-14 2021-07-30 胡洁 Cardiovascular medicine integration multichannel micropump infusion device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206867471U (en) * 2017-01-09 2018-01-12 雷阳 A kind of micro pump
CN108298202A (en) * 2018-05-03 2018-07-20 福州市联奇智能科技有限公司 A kind of multilayer medicine-chest with temperature controlling function
CN208911130U (en) * 2018-07-06 2019-05-31 张富佳 Medical fluid continuous feeding device
CN213822936U (en) * 2020-09-14 2021-07-30 胡洁 Cardiovascular medicine integration multichannel micropump infusion device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117504047A (en) * 2023-11-22 2024-02-06 首都医科大学宣武医院 Micropump system

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Address after: 518000, A10-11, 12C, Building 1, Feiyada Watch Building, South Ring Avenue, Mashantou Community, Matian Street, Shenzhen, Guangdong Province, China, 1-5 floors, Building 2

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