CN111084915A - Micro-power injection device and batching equipment - Google Patents
Micro-power injection device and batching equipment Download PDFInfo
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- CN111084915A CN111084915A CN201911425496.6A CN201911425496A CN111084915A CN 111084915 A CN111084915 A CN 111084915A CN 201911425496 A CN201911425496 A CN 201911425496A CN 111084915 A CN111084915 A CN 111084915A
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- micro
- power
- injector
- heating
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- 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
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- 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
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
Abstract
The invention discloses a micro-power injection device and batching equipment, the micro-power injection device comprises: a micro-power structure, a transmission structure and an injector; the micro-power structure comprises: a first housing for accommodating a heating medium; a heating unit disposed in the first housing to heat the heating medium; the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium; one end of the transmission structure is contacted with the piston structure, and the other end of the transmission structure is contacted with the piston part of the injector, so that the transmission structure drives the piston part of the injector to move when the piston structure moves. Through setting up the micro-power structure, set up heating medium and heating element in the first shell of micro-power structure, through the heating to heating medium at every turn for the driving force that the syringe microinjection was regarded as at every turn to the heating medium inflation acting, simple structure, whole micro-power injection device's volume reduces, and micro-power injection device is convenient for remove, can hand-carry.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a micro-power injection device and batching equipment.
Background
A syringe is a common medical device that primarily uses a needle to draw or inject a gas or liquid. However, the accuracy of instruments and the deviation of manual visual reading exist in needle extraction, so that at present, hospitals or laboratories adopt digital intelligent injection pumps to clinically realize high-precision infusion of liquid medicines, and use different raw materials placed by multi-channel injection pumps to prepare daily necessities, such as printed cosmetics, food seasonings, test articles of washing and caring articles and the like, and the range of the injection pumps is wide. The general injection pump is composed of a stepping motor and a corresponding control driver, a screw rod, a bracket and the like, and is provided with a screw rod and a nut which move in a reciprocating manner. When the injector works, the control driver sends out control pulses to enable the stepping motor to rotate, the stepping motor drives the screw rod to change the rotating motion into linear motion, and the propelling speed and direction of the screw rod in the stepping motor can be adjusted by setting the rotating speed and direction of the screw rod in the stepping motor. However, the injection pump adopts the stepping motor as a power source, so that the volume of the injection pump is overlarge, and the injection pump is inconvenient to move.
Disclosure of Invention
In view of this, the embodiment of the invention provides a micro-power injection device and a batching device, so as to solve the problems of overlarge volume and inconvenience in movement of the existing injection pump.
According to a first aspect, embodiments of the present invention provide a micro-power injection device, comprising: a micro-power structure, a transmission structure and an injector; the micro-power structure comprises: a first housing for accommodating a heating medium; a heating unit disposed in the first housing to heat the heating medium; the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium; one end of the transmission structure is contacted with the piston structure, and the other end of the transmission structure is contacted with the piston part of the injector, so that the transmission structure drives the piston part of the injector to move when the piston structure moves.
Optionally, the syringe comprises: and one end of the spring is fixedly connected with the piston of the injector, and the other end of the spring is fixedly connected with the transmission structure.
Optionally, the micropower injection device further comprises: a control device, the control device comprising: the terminal equipment, the temperature sensor and the pressure sensor are used for measuring the temperature in the first shell; the pressure sensor is used for measuring the pressure in the first shell; the terminal equipment is used for acquiring a temperature signal of the temperature sensor and a pressure signal of the pressure sensor, and controlling the heating time and the final temperature of the heating unit according to the temperature signal, the pressure signal and the preset injection quantity.
Optionally, the heating unit comprises: the resistance wire, the resistance wire is connected with external power supply, and the resistance wire is the heliciform, contacts with the inner wall of first shell.
Optionally, the outer surface of the heating unit is provided with a thermal insulation layer and the inner surface is provided with a heat conduction layer.
Optionally, the micropower injection device further comprises: and the bracket is used for fixing the micro-power structure and the injector.
Optionally, the transmission structure is a push rod.
Optionally, the heating medium is a heating expandable gas.
Alternatively, the syringe has a volume of 0.5 μ L to 5 mL.
According to a second aspect, an embodiment of the present invention provides a dispensing apparatus comprising: a housing; the micro-power injection devices are arranged in the shell and are used for outputting different injections; the micro-power injection device comprises a micro-power structure, a transmission structure and an injector; the micro-power structure comprises: a first housing for accommodating a heating medium; a heating unit disposed in the first housing to heat the heating medium; the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium; one end of the transmission structure is contacted with the piston structure, and the other end of the transmission structure is contacted with the piston part of the injector, and the transmission structure is used for driving the piston part of the injector to move when the piston structure moves; and the receiving device is used for receiving and mixing the injection liquid output by the micro-power injection devices.
Optionally, the syringe comprises: and one end of the spring is fixedly connected with the piston of the injector, and the other end of the spring is fixedly connected with the transmission structure.
Optionally, the dosing device further comprises: a control device, the control device comprising: the terminal equipment, a plurality of temperature sensors and a plurality of pressure sensors, wherein each temperature sensor is used for measuring the temperature in each first shell; each pressure sensor is used for measuring the pressure in each first shell; the terminal equipment is respectively connected with each micro-power injection device and used for respectively acquiring the temperature signal of the temperature sensor and the pressure signal of the pressure sensor in each first shell and controlling the heating time and the final temperature of each heating unit according to the temperature signal, the pressure signal and each preset injection quantity.
The embodiment of the invention has the following beneficial effects:
1. through setting up little power structure, set up heating medium and heating element in little power structure's first shell, through the heating to heating medium at every turn for the heating medium inflation does work and comes the driving force as syringe microinjection at every turn, simple structure, and step motor among the little power structure compares prior art, and the volume reduces greatly, thereby whole little power injection device's volume reduces, and little power injection device is convenient for remove, can hand-carry.
2. Different from a traditional injection pump, the micro-power device provided by the embodiment of the invention can be connected with a terminal, cloud computing is carried out through an initial temperature signal of the first shell, an initial pressure signal of the first shell, an injection amount set by the terminal and the like acquired by the terminal to obtain the heating time and the heating final temperature required by the heating unit, the final heating temperature of the heating unit is controlled by the terminal to achieve the purpose of outputting the set injection amount by the micro-power injection device, and the injection amount is more accurate. And the injection amount is set on the terminal, so that the setting of the injection amount is more flexible and convenient.
3. The batching equipment provided by the embodiment of the invention can store different injections in different micro-power injection devices by arranging the plurality of micro-power injection devices, can realize the function of automatic batching by outputting the different injections into the receiving device according to the set injection amount and mixing the different injections in the receiving device, adopts a micro-power structure, and is simple in structure, compared with a stepping motor in the prior art, the micro-power injection device has the advantages that the volume is greatly reduced, the volume of the whole micro-power injection device is reduced, and the batching equipment is small in volume, convenient to move and portable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a schematic structural view of a micro-power injection device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a dispensing apparatus according to an embodiment of the present invention;
fig. 3 shows a schematic cross-sectional view of a dosing device according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a micro-power injection device, as shown in fig. 1, including: the device comprises a micro-power structure 1, a transmission structure 2 and an injector 3; the micro power structure 1 includes: a first housing 11 for accommodating a heating medium; a heating unit 12 disposed in the first housing to heat a heating medium; a piston structure 13 disposed at one end of the first housing 11 and configured to move under the pushing of the heated heating medium; the transmission structure 12 has one end contacting the piston structure 13 and the other end contacting the piston portion of the syringe 3, for moving the piston portion of the syringe 3 when the piston structure 13 moves.
The micro-power injection device provided by the embodiment of the invention is simple in structure by arranging the micro-power structure, arranging the heating medium and the heating unit in the first shell of the micro-power structure and heating the heating medium each time to ensure that the heating medium expands to do work to serve as a driving force for micro-injection of the injector each time.
In an alternative embodiment, the injector 3 comprises: one end of the spring 31 is fixedly connected with the piston of the injector 3, and the other end is fixedly connected with the transmission structure 12.
Specifically, the micro-power structure 1 has a heating chamber for accommodating a heating medium. A heating unit 12 is provided in the heating chamber. After the micro-power structure 1 works each time, the piston structure 13 of the micro-power structure 1 moves, so that the volume of a heating chamber of the micro-power structure 1 is increased, but the volume of the original heating unit 12 is fixed and cannot be changed along with the heating chamber, and the increased volume part of the heating chamber cannot be heated, so that the heating medium can be uniformly heated when the micro-power structure 1 is heated each time, namely the same volume of the heating chamber is maintained, the piston structure 13 of the micro-power structure 1 is also kept at the same position, an elastic resilience device can be arranged at one end, close to the transmission structure 2, of the piston of the injector 3, the transmission structure 2 and the piston structure 13 of the micro-power structure 1, so that the piston of the injector 3, the transmission structure 2 and the piston structure 13 of the micro-power structure 1 are restored to the original positions after each injection, and the. Therefore, basic data of the heating medium in the heating chamber at each time is kept unchanged, and the heating time and the final temperature of the heating unit 12 at each time can be calculated conveniently according to the basic data of the heating medium in the heating chamber and the injection amount of the injector 3 at each time.
In an alternative embodiment, to achieve control of the injection volume per injection of the micropower injection device, the micropower injection device further comprises: a control device, the control device comprising: a terminal device 41, a temperature sensor 42, a pressure sensor 43, the temperature sensor 42 being used for measuring the temperature inside the first housing 11; the pressure sensor 43 is used to measure the pressure inside the first housing 11; the terminal device 41 is used for acquiring a temperature signal of the temperature sensor 42 and a pressure signal of the pressure sensor 43, and controlling the heating time and the final temperature of the heating unit 12 according to the temperature signal, the pressure signal and the preset injection quantity.
Specifically, the temperature sensor 42 and the pressure sensor 43 are disposed in the first housing 11, and the terminal device 41 is connected to the heating unit 12, the temperature sensor 42, and the pressure sensor 43, respectively, either through a wired connection or a wireless connection. Preferably, the terminal device 41 is wirelessly connected with the heating unit 12, the temperature sensor 42 and the pressure sensor 43, respectively. For example, the temperature sensor 42 and the pressure sensor 43 are provided with communication units, and the terminal device 41 may be connected via bluetooth or WIFI, and the initial temperature signal and the pressure signal at each heating time of the heating unit 12 may be transmitted to the terminal device 41. The heating time and the final temperature required for the device are obtained by performing cloud computing via the terminal device 41. And a communication unit is arranged at the end of the heating unit 12, the terminal device 41 can be connected through Bluetooth or wireless WIFI, and the heating time and the final temperature of the heating unit 12 can be controlled through the terminal device 41.
The specific calculation of the heating time of the heating unit 12 includes a series of equations. The main principle is as follows: the relation between the injection amount and the distance moved by the piston of the injector 3 is obtained according to the volume of the injector 3 and the sectional area of the piston of the injector, so that the distance moved by the piston of the injector 3 can be obtained according to the injection amount, which can be obtained through a plurality of experiments. After the movement distance of the piston of the injector 3 is obtained, the pressure required for pushing the injection to move can be calculated according to the Bernoulli equation, the heat energy required to be converted by heating the resistance wire and the energy loss in the heating process can be calculated according to the pressure required for pushing the injection to move, the mass conservation equation, the momentum conservation equation, the energy conservation equation, the component conservation equation, the heat loss equation and the like of the heating medium in the first shell 11 and the initial temperature and the initial pressure in the first shell 11, the heating time can be calculated by introducing the heat energy required to be converted by heating the resistance wire, the electric power and the like into the thermal expansion internal energy formula, and finally the heating final temperature is calculated by substituting the measured data into the heat formula.
Different from a traditional injection pump, the micro-power device provided by the embodiment of the invention can be connected with a terminal, cloud computing is carried out through an initial temperature signal of the first shell, an initial pressure signal of the first shell, an injection amount set by the terminal and the like acquired by the terminal to obtain the heating time and the heating final temperature of the first shell, the final heating temperature of the heating unit is controlled by the terminal to achieve the purpose of outputting the set injection amount by the micro-power injection device, and the injection amount is more accurate. And the injection amount is set on the terminal, so that the setting of the injection amount is more flexible and convenient.
In an alternative embodiment, the heating unit 12 comprises: and the resistance wire is connected with an external power supply and is in a spiral shape and is contacted with the inner wall of the first shell 11. Specifically, the micro-power structure 1 has a heating chamber for accommodating a heating medium. Resistance wires are arranged in the heating chambers and are spirally attached to the inner wall of the first shell 11. The resistance wire is arranged in a spiral shape, so that the heating medium in the first shell can be uniformly heated.
In an alternative embodiment, the outer surface of the heating unit 12 is provided with a thermally insulating layer and the inner surface is provided with a thermally conductive layer. Specifically, the heating unit 12 is disposed in a spiral shape, the outer surface of the heating unit is in contact with the inner wall of the first housing 11, the inner surface of the heating unit is in contact with the heating medium, and in order to prevent the heating unit 12 from burning out the first housing 11 due to too high heating temperature or reduce heat transfer from the outside through the first housing 11, a heat insulation layer may be further disposed on the outer surface of the heating unit 12. To prevent the heating unit 12 from being oxidized by the heating medium, a heat conductive layer may also be provided on the inner surface of the heating unit.
In an alternative embodiment, the oligodynamic injection device further comprises: and the bracket 5 is used for fixing the micro-power structure 1 and the injector 3. Specifically, the micro-power structure 1 and the injector 3 are horizontally fixed on the bracket 5. The support 5 is arranged to fix the micro-power structure 1 and the injector 3, so that the micro-power device is a whole and is convenient to carry and use.
In an alternative embodiment, the transmission structure 2 is a push rod. The transmission structure 2 is arranged in a push rod mode, the structure is simple, and the cost is low.
In an alternative embodiment, the heating medium is a heating expandable gas. In particular, to reduce the number of processes requiring the injection of the heating medium each time, the heating medium is preferably one that expands easily upon heating and does not chemically react with the heat conductive layer. For example, it may be an inert gas, a single gas, or a mixture of gases.
In an alternative embodiment, the syringe 3 has a volume of 0.5 μ L to 5 mL. Specifically, the amount of the syringe 3 injected per time is a trace amount, the syringe 3 is also a micro-volume syringe, and the volume of the syringe may be, but not limited to, 0.5 μ L to 5 mL.
An embodiment of the present invention further provides a dispensing apparatus, as shown in fig. 2 to 3, including: a housing 6; a plurality of micro-power injection devices arranged in the shell 6 and used for outputting different injections; the micro-power injection device comprises a micro-power structure, a transmission structure and an injector; the micro-power structure comprises: a first housing for accommodating a heating medium; a heating unit disposed in the first housing to heat the heating medium; the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium; one end of the transmission structure is contacted with the piston structure, and the other end of the transmission structure is contacted with the piston part of the injector, and the transmission structure is used for driving the piston part of the injector to move when the piston structure moves; and the receiving device 7 is used for receiving and mixing the injection liquid output by the micro-power injection devices.
Specifically, in the present embodiment, as shown in fig. 3, four micro-power injection devices are included in the housing 6 as an example for description, but the number of micro-power injection devices is not limited thereto, and may be set according to actual needs. The four micro-power injection devices are combined together to form the multi-channel micro-power injection device with an array structure, different injection liquid can be stored in an injector of the micro-power injection device of each channel, the different injection liquid of different channels can be output according to the set injection amount, a bearing device 7 is arranged at an output port, and the bearing device 7 can be an ultrasonic stirring device and can be used as equipment for automatically configuring raw materials.
The batching device provided by the embodiment of the invention can store different injections in different micro-power injection devices by arranging the plurality of micro-power injection devices, can realize the function of automatic batching by outputting the different injections into the receiving device according to the set injection amount and mixing the different injections in the receiving device, adopts a micro-power structure, and is simple in structure, compared with a stepping motor in the prior art, the micro-power structure greatly reduces the volume, so that the whole micro-power injection device has the advantages of small volume, convenience in movement and portability.
In an alternative embodiment, the syringe comprises: and one end of the spring is fixedly connected with the piston of the injector, and the other end of the spring is fixedly connected with the transmission structure. Specifically, the micro-power structure has a heating chamber for accommodating a heating medium. A heating unit is arranged in the heating chamber. Because the piston structure of the micro-power structure moves after acting each time, the volume of the heating chamber of the micro-power structure is increased, but the volume of the original heating unit is fixed and cannot be changed along with the heating chamber, the increased volume part of the heating chamber cannot be heated, in order to ensure that the heating medium can be uniformly heated when the micro-power structure is heated each time, namely, the same volume of the heating chamber is maintained, the piston structure of the micro-power structure is also kept at the same position, an elastic rebounding device can be arranged at one end, close to the transmission structure, of the piston of the injector, the transmission structure and the piston structure of the micro-power structure are restored to the original position after injection each time, and the volume of the heating chamber when the micro-power structure is heated each time is kept unchanged. Therefore, basic data of the heating medium in the heating chamber at each time is kept unchanged, and the heating time and the final temperature of the heating unit at each time can be conveniently calculated according to the basic data of the heating medium in the heating chamber and the injection amount of the injector at each time.
In an alternative embodiment, the dosing device further comprises: a control device, the control device comprising: the terminal equipment, a plurality of temperature sensors and a plurality of pressure sensors, wherein each temperature sensor is used for measuring the temperature in each first shell; each pressure sensor is used for measuring the pressure in each first shell; the terminal equipment is respectively connected with each micro-power injection device and used for respectively acquiring the temperature signal of the temperature sensor and the pressure signal of the pressure sensor in each first shell and controlling the heating time and the final temperature of each heating unit according to the temperature signal, the pressure signal and each preset injection quantity.
Specifically, the temperature sensor and the pressure sensor are arranged in the first housing, and the terminal device is connected with each heating unit, each temperature sensor and each pressure sensor respectively, and may be connected through a wire or a wireless connection. Preferably, the terminal device is wirelessly connected to each heating unit, each temperature sensor, and each pressure sensor. For example, communication units are arranged on each temperature sensor and each pressure sensor, terminal equipment can be connected through Bluetooth or wireless WIFI and the like, initial temperature signals and pressure signals of each heating unit at the heating moment are sent to the terminal equipment, and the terminal equipment obtains the heating time and the final temperature of each heating unit by using cloud computing. And set up the communication unit at each heating unit end, can pass through bluetooth or wireless WIFI etc. connection terminal equipment, through terminal equipment control each heating unit's heating time and final temperature for the syringe is according to the injection output injection of settlement.
The specific calculation of the heating time of the heating unit comprises a series of formulas. The main principle is as follows: the relation between the injection amount and the distance moved by the piston of the injector is obtained according to the volume of the injector and the sectional area of the piston of the injector, so that the distance moved by the piston of the injector can be obtained according to the injection amount, and the distance moved by the piston of the injector can be obtained through a plurality of experiments. After the movement distance of the piston of the injector is obtained, the pressure required for pushing the injection to move can be calculated according to the Bernoulli equation, the mass conservation equation, the momentum conservation equation, the energy conservation equation, the component conservation equation, the heat loss equation and the like of the heating medium in the first shell can be calculated according to the pressure required for pushing the injection to move, the heat energy required to be converted by heating of the resistance wire and the energy loss in the heating process can be calculated according to the initial temperature and the initial pressure in the first shell, the heating time can be calculated by substituting the heat energy, the electric power and the like required to be converted by heating of the resistance wire into the thermal expansion internal energy formula, and finally the measured and calculated data are substituted into the heat formula to calculate the final.
In the embodiment of the invention, each micro-power injection device is connected with the terminal, the initial temperature signal of each first shell, the initial pressure signal of each first shell, the injection amount set by the terminal and the like acquired by the terminal are respectively subjected to cloud computing to obtain the heating time and the heating final temperature of each first shell, and the final heating temperature of each heating unit is controlled by the terminal to achieve the purpose that each micro-power injection device outputs each set injection amount, so that the injection amount is more accurate. And the terminal sets each injection amount, so that the injection amount is more flexibly and conveniently set. Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (12)
1. A micropower injection device, comprising: a micro-power structure, a transmission structure and an injector;
the micro-power structure comprises:
a first housing for accommodating a heating medium;
a heating unit disposed within the first housing to heat the heating medium;
the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium;
one end of the transmission structure is in contact with the piston structure, and the other end of the transmission structure is in contact with the piston part of the injector, so that the transmission structure drives the piston part of the injector to move when the piston structure moves.
2. The micropower injection device of claim 1, wherein the injector comprises: and one end of the spring is fixedly connected with the piston of the injector, and the other end of the spring is fixedly connected with the transmission structure.
3. The micropower injection device of claim 1, further comprising: a control device, the control device comprising: a terminal device, a temperature sensor, a pressure sensor,
the temperature sensor is used for measuring the temperature in the first shell;
the pressure sensor is used for measuring the pressure in the first shell;
the terminal equipment is used for acquiring a temperature signal of the temperature sensor and a pressure signal of the pressure sensor, and controlling the heating time and the final temperature of the heating unit according to the temperature signal, the pressure signal and a preset injection quantity.
4. The micropower injection device of claim 1, wherein the heating unit comprises: the resistance wire is connected with an external power supply, is in a spiral shape and is in contact with the inner wall of the first shell.
5. The micropower injection device of claim 4, wherein the outer surface of the heating unit is provided with a thermally insulating layer and the inner surface is provided with a thermally conductive layer.
6. The micropower injection device of claim 1, further comprising: and the bracket is used for fixing the micro-power structure and the injector.
7. The micropower injection device of claim 1, wherein the transmission structure is a push rod.
8. The micropower injection device of claim 1, wherein the heating medium is a heated expandable gas.
9. The micropower injection device of claim 1, wherein the syringe has a volume of 0.5 μ L to 5 mL.
10. A dispensing apparatus, comprising:
a housing;
the micro-power injection devices are arranged in the shell and used for outputting different injections; the micro-power injection device comprises a micro-power structure, a transmission structure and an injector; the micro-power structure comprises: a first housing for accommodating a heating medium; a heating unit disposed within the first housing to heat the heating medium; the piston structure is arranged at one end of the first shell and is used for moving under the pushing of the heated heating medium; one end of the transmission structure is in contact with the piston structure, and the other end of the transmission structure is in contact with the piston part of the injector, so that the transmission structure drives the piston part of the injector to move when the piston structure moves;
and the receiving device is used for receiving and mixing the injection liquid output by the micro-power injection devices.
11. The dosing apparatus according to claim 10, wherein the injector comprises: and one end of the spring is fixedly connected with the piston of the injector, and the other end of the spring is fixedly connected with the transmission structure.
12. The dispensing apparatus of claim 10, further comprising: a control device, the control device comprising: a terminal device, a plurality of temperature sensors, a plurality of pressure sensors,
each said temperature sensor is for measuring a temperature within each said first housing;
each of the pressure sensors is used for measuring the pressure in each of the first housings;
the terminal equipment is respectively connected with each micro-power injection device and is used for respectively acquiring the temperature signal of the temperature sensor and the pressure signal of the pressure sensor in each first shell and controlling the heating time and the final temperature of each heating unit according to the temperature signal, the pressure signal and each preset injection quantity.
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| CN201911425496.6A CN111084915A (en) | 2019-12-31 | 2019-12-31 | Micro-power injection device and batching equipment |
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| CN201911425496.6A CN111084915A (en) | 2019-12-31 | 2019-12-31 | Micro-power injection device and batching equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116672540A (en) * | 2023-08-01 | 2023-09-01 | 泰州品青医疗器械有限公司 | Flow and flow speed self-control type disposable infusion pump |
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| CN110494177A (en) * | 2017-04-10 | 2019-11-22 | 阿普塔尔法国简易股份公司 | Automatic fluid product injection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116672540A (en) * | 2023-08-01 | 2023-09-01 | 泰州品青医疗器械有限公司 | Flow and flow speed self-control type disposable infusion pump |
| CN116672540B (en) * | 2023-08-01 | 2023-10-31 | 泰州品青医疗器械有限公司 | Flow and flow speed self-control type disposable infusion pump |
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Application publication date: 20200501 |