CN212282379U - Automatic injection device - Google Patents
Automatic injection device Download PDFInfo
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- CN212282379U CN212282379U CN202020349138.3U CN202020349138U CN212282379U CN 212282379 U CN212282379 U CN 212282379U CN 202020349138 U CN202020349138 U CN 202020349138U CN 212282379 U CN212282379 U CN 212282379U
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Abstract
The utility model relates to an automatic injection device, which comprises a first branch pipe component and a second branch pipe component, wherein the first branch pipe component and the second branch pipe component are connected through a first connecting pipe; each first branch pipe is provided with an installation module for installing a liquid medicine container; the first bubble detection module is used for detecting the state and the air condition of the liquid medicine container; the first liquid stop valve is used for controlling the liquid medicine circulation in the first branch pipe; the first connecting pipe is provided with a second bubble detection module for detecting the liquid medicine circulation condition and the air condition in the first connecting pipe; each second branch pipe is sequentially provided with a second liquid stop valve, a diaphragm injection module for pumping and pumping liquid medicine and a third liquid stop valve; the second connecting pipe is provided with a third bubble detection module and a one-way valve for preventing and treating liquid medicine backflow. This automatic injection device need not frequent change consumptive material, reduce cost, and infusion work efficiency is high, can serve more patients.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to an automatic injection device.
Background
In clinic, a three-part hospital does CT enhanced scanning, and often needs to make an appointment, namely, because the hospital completes one-time CT enhanced scanning for too long time, the number of patients who do enhanced radiography is limited, in order to improve the efficiency of enhanced radiography, the high-pressure injector is used as the necessary equipment for enhanced radiography, and the work efficiency of the high-pressure injector is improved, namely, the efficiency of enhanced radiography can be improved.
The prior high-pressure injector needs consumables such as a needle cylinder, a connecting pipe, an indwelling needle or an intravenous infusion needle, and after each patient finishes the contrast enhancement, the next patient needs to replace the needle cylinder, the connecting pipe, the indwelling needle or the intravenous infusion needle again, and the prior high-pressure injector needs to suck medicine, exhaust gas and the like again, so that the efficiency is low, and the consumption of the consumables is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an automatic injection device.
The utility model provides a technical scheme that its technical problem adopted is: constructing an automatic injection device, which comprises a first branch pipe component and a second branch pipe component, wherein the first branch pipe component and the second branch pipe component are connected through a first connecting pipe; the first branch pipe assembly comprises at least two first branch pipes connected in parallel, and the second branch pipe assembly comprises at least two second branch pipes connected in parallel;
each first branch pipe is provided with an installation module for installing a liquid medicine container; the first bubble detection module is used for detecting the state of the liquid medicine container and the air condition in the first branch pipe; the first liquid stop valve is used for controlling the liquid medicine circulation in the first branch pipe;
the first connecting pipe is provided with a second bubble detection module for detecting the circulation condition of the liquid medicine in the first connecting pipe and the air condition;
each second branch pipe is sequentially provided with a second liquid stop valve, a diaphragm injection module for pumping and pumping liquid medicine and a third liquid stop valve;
the second connecting pipe is provided with a third bubble detection module for detecting the circulation condition and the air condition of the liquid medicine in the second connecting pipe and a one-way valve for preventing the liquid medicine from flowing reversely.
Preferably, the mounting module includes a piercing member for piercing the medical fluid container so that medical fluid in the medical fluid container enters the first branch tube.
Preferably, the liquid medicine comprises bottled liquid medicine and/or bagged liquid medicine, and the liquid medicine container comprises a medicine bottle and/or a medicine bag;
each first branch pipe is also provided with a heater for heating the medicine bottle and/or the medicine bag.
Preferably, the membrane injection module comprises a pump body, a membrane arranged in the pump body; and a drive assembly for driving movement of the diaphragm;
the driving assembly comprises a cylinder barrel, a piston and a piston rod, the piston is arranged in the cylinder barrel, the piston rod can stretch in and out of the cylinder barrel and is connected with the piston, one end of the piston rod stretches into the pump body and is connected with the diaphragm, and the piston drives the piston rod to move so as to drive the diaphragm to act.
Preferably, the device further comprises an injection control module connected with the membrane injection module and used for controlling the working state of the membrane injection module so as to adjust the injection rate and the dosage of the liquid medicine.
Preferably, the second connecting pipe is further provided with a pressure sensor for detecting the infusion pressure.
Preferably, an external infusion tube for infusing fluid to a patient is connected to the end of the second connecting tube.
Preferably, the first bubble detection module and the first bubble detection module are infrared sensors or ultrasonic sensors.
Preferably, the liquid-stopping device further comprises a controller connected with the first liquid-stopping valve, the second liquid-stopping valve and the third liquid-stopping valve and used for controlling the opening degree of the first liquid-stopping valve, the second liquid-stopping valve and the third liquid-stopping valve.
Preferably, at least one of the medical fluids is a contrast agent; at least one other medical fluid is physiological saline.
Implement the utility model discloses following beneficial effect has: the utility model discloses an automatic injection device need not frequent change consumptive material, the cost is reduced, and infusion work efficiency is high, can serve more patients in the definite time.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural view of an automatic injection device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an automatic injection device according to another embodiment of the present invention;
figure 3 is a schematic diagram of the structure of the membrane injection module of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1, the automatic injection device of the present invention comprises a first branch pipe assembly 1 and a second branch pipe assembly 3, the two are connected by a first connecting pipe 2, and one end of the second branch pipe assembly 3, which is far away from the first connecting pipe 2, is connected to a second connecting pipe 4.
The first branch pipe assembly 1 comprises at least two first branch pipes connected in parallel, in this embodiment three first branch pipes, as shown in fig. 1, comprising a first branch pipe 11, a first branch pipe 12, a first branch pipe 13. Of course, it is understood that two first branch pipes, four first branch pipes, etc. connected in parallel may be provided, and the number of the first branch pipes may be selectively set according to the requirement, which is not specifically limited herein.
Further, each first branch pipe is provided with an installation module for installing the liquid medicine container, such as an installation module 14, an installation module 15, and an installation module 16.
Further, the mounting module includes a piercing member for piercing the medical fluid container to allow the medical fluid in the medical fluid container to enter the first branch pipe, and in this embodiment, includes a piercing member 142, a piercing member 152, and a piercing member 162. Of course, the number of the puncture elements is matched with that of the first branch pipes.
The liquid medicine of this embodiment includes bottled liquid medicine and/or liquid medicine in bags, and this liquid medicine container includes medicine bottle and/or medicine bag, and this puncture piece punctures medicine bottle and/or medicine bag, makes its liquid medicine flow into first branch pipe, carries out exhaust or infusion work.
In this embodiment, at least one of the fluids is a contrast agent; at least one other medical fluid is physiological saline. Such as the first branch tube 11, the first branch tube 12, and the third branch tube 13, the contrast agent saline is installed and circulated.
Further, a bracket or a frame may be included, and the liquid medicine container is hung or fixed on the bracket or the frame, and in some embodiments, a positioning plate, such as the positioning plate 141, the positioning plate 15, the positioning plate 161 and the like in fig. 1, may be further provided, and the medicine bottle may be mounted on the positioning plate.
Furthermore, each first branch pipe is also provided with a heater for heating the medicine bottle and/or the medicine bag, the heater can be a heating leather sheath wrapped on the periphery of the medicine bottle and/or the medicine bag, the heating leather sheath can be of a cloth strip structure, magic tapes or other buckling mechanisms are arranged at two ends of the cloth strip, and the cloth strip structure is locked by the magic tapes or other buckling mechanisms after wrapping the medicine bottle and/or the medicine bag. Of course, the whole sleeve structure can be also adopted and is directly sleeved on the periphery of the medicine bottle and/or the medicine bag.
This heating leather sheath is inside to be equipped with temperature control panel and the heating resistor who is connected with it, can control this heater with temperature control to predetermineeing the temperature range, and then control liquid medicine temperature for the liquid medicine temperature is in a more suitable within range, avoids low temperature liquid medicine to cause the influence to blood vessel etc. with the clinical experience of improvement patient and feels.
Further, the heater may be a heating leather strip, which is sleeved on the infusion line, such as the first branch pipe, and/or the second branch pipe, and/or the first connection pipe 2, and/or the second connection pipe 4, to heat the liquid medicine flowing through the infusion line.
The first branch pipe assembly 1 further includes a first bubble detecting module for detecting the status of the liquid medicine container and the air condition in the first branch pipe, and in this embodiment, includes a first bubble detecting module 17, a first bubble detecting module 18, and a first bubble detecting module 19.
And a first liquid stop valve for controlling the liquid medicine flowing in the first branch pipe, and in the embodiment, the first liquid stop valve comprises a first liquid stop valve 110, a first liquid stop valve 111 and a first liquid stop valve 112. In some embodiments, instead of providing a separate liquid stop valve on each first branch, a solenoid valve a may be provided at the connection between the first branch assembly 1 and the first connection pipe 2, where the solenoid valve a may control the conduction or the complete closing of the branches, and it is understood that different valve assemblies may be selected according to the requirement as long as the conduction of different first branches can be controlled, and this is not particularly limited herein.
In the present embodiment, the second branch pipe assembly 3 includes at least two second branch pipes connected in parallel, such as a second branch pipe 31 and a second branch pipe 32. It is understood that three second branch pipes, four second branch pipes, etc. may be provided, and the number of the second branch pipes may be selected according to actual requirements, and is not particularly limited herein.
Furthermore, each second branch pipe is sequentially provided with a second liquid stop valve, a diaphragm injection module for pumping and pumping liquid medicine and a third liquid stop valve.
For example, the second branch pipe 31 is provided with a second liquid stop valve 33, a diaphragm injection module 35 and a third liquid stop valve 37 in sequence, and the second branch pipe 32 is provided with a second liquid stop valve 34, a diaphragm injection module 36 and a third liquid stop valve 38 in sequence. In some embodiments, instead of providing a separate liquid stop valve on each second branch, a solenoid valve B may be provided at the connection between the first connection pipe 2 and the second branch assembly 3, and the solenoid valve B may control the conduction of the branches, such as controlling the liquid medicine to enter the second branch pipe 31 from the first connection pipe 2 (while the second branch pipe 32 is closed) or controlling the liquid medicine to enter the second branch pipe 32 (while the second branch pipe 31 is closed);
further, a solenoid valve C may be disposed at the connection between the second branch assembly 3 and the second connection pipe 4, and the solenoid valve C may control the branch conduction, such as controlling the liquid medicine to flow from the second branch pipe 31 (with the second branch pipe 32 closed) into the second connection pipe 4 or from the second branch pipe 32 into the second connection pipe 4 (with the second branch pipe 31 closed).
It is understood that, as long as the conduction of different second branches can be controlled, different valve assemblies can be selected according to requirements, and are not limited specifically herein.
As shown in fig. 2, in the present embodiment, taking the diaphragm injection module 35 as an example, the diaphragm injection module includes a pump body 3511, a diaphragm 3512 disposed in the pump body 3511, and a driving assembly 352 for driving the diaphragm 3512 to move, where the driving assembly 352 includes a cylinder 3521, a piston disposed in the cylinder 3521, and a piston rod 3522 telescopically inserted into the cylinder 3521 and connected to the piston, one end of the piston rod 3522 extends into the pump body 3511 and is connected to the diaphragm 3512, and the piston drives the piston rod 3522 to move so as to drive the diaphragm 3512 to move.
It can be understood that the pump body 3511 is provided with an inner cavity for accommodating and circulating the liquid medicine, a diaphragm 3512 is disposed on one side of the inner cavity, and the driving assembly 352 drives the diaphragm 3512 to protrude inward or outward for pumping or pumping the liquid medicine. It is understood that the driving assembly 352 may be a hydraulic cylinder, an air cylinder, a driving motor, etc., and the membrane injection module may be configured according to actual requirements.
Further, still include and be connected with this diaphragm injection module 35, be used for controlling this diaphragm injection module 35 operating condition and then adjust the injection control module of liquid medicine injection rate and dose, specifically, this injection control module is connected with this drive assembly 352, and then controls the action speed of diaphragm 3512 through controlling drive assembly 352, and then adjusts liquid medicine injection rate and dose.
Further, the injection control module includes, but is not limited to, a microprocessor, a microcontroller, a digital signal processor, a microcomputer, a central processing unit, a field programmable gate array, a programmable logic device, a state machine, a logic circuit, an analog circuit, a digital circuit and/or any device that operates signals (analog and/or digital) based on operation instructions, which may be modified or innovated according to the need by using a control scheme such as a commercially available master MCU, and will not be described in detail herein.
Further, this automatic injection device is equipped with communication module, it is connected with this injection control module and user terminal, in order to receive user terminal's control signal, in order to control this injection control module work, furthermore, communication module can be the WIFI module, bluetooth module, 3G/4G/5G and Zigbee module etc. it can select according to actual demand, this user terminal is nurse's station's monitor system, or be one or more in cell-phone, panel computer, notebook computer, palm computer, PAD, intelligent wrist-watch, the intelligent bracelet.
Also included is a memory module coupled to the injection control module for storing data, the memory module may include: flash disks, Read-Only memories (ROMs), electrically erasable programmable Read-Only memories (EEPROMs), and Random Access Memories (RAMs).
The infusion device also comprises a reminding module which is connected with the injection control module and is used for sending out an alarm signal when the infusion work is about to be finished or the abnormality occurs in the infusion process (if the bubble detection module detects the bubbles). The reminding module can be an optical device, the optical device can be an LED, if the infusion work is finished, the reminding module flickers, of course, the LED can be an RGBW lamp bead, different light flickers are carried out according to the residual capacity of the infusion container, and if the residual liquid medicine capacity is lower than 20%, red light flickers. Of course, the reminding module may also be the honey device 214, or a vibration motor, etc., as long as the reminding function is achieved, and is not limited specifically here.
Further, a second bubble detecting module 21 for detecting the liquid medicine flowing condition and the air condition in the first connecting pipe 2 is provided on the first connecting pipe 2.
The second connection pipe 4 is provided with a third bubble detection module 43 for detecting the circulation condition and air condition of the liquid medicine in the second connection pipe 4, and a check valve 44 for preventing the liquid medicine from flowing backwards.
The second connecting pipe 4 is also provided with a pressure sensor 42 for detecting the transfusion pressure, and the pressure sensor 42 can detect the system pressure in real time to prevent the human body from being injured due to overhigh pressure. The pressure sensor 42 is coupled to the previously described injection control module to receive associated control signals or transmit collected pressure data to the injection control module.
Further, an external infusion tube for infusing fluid to the patient is connected to the end of the second connecting tube 4.
In this embodiment, the first, second and third bubble detecting modules 21, 43 are infrared sensors or ultrasonic sensors. Of course, the suitable sensor may be selected according to actual requirements, and is not limited specifically here. Further, the first bubble detecting module, the second bubble detecting module 21 and the third bubble detecting module 43 are all connected to the injection control module, so as to send the detection data to the injection control module, and the injection control module processes and judges the data and receives the control signal from the injection control module.
The device further comprises a controller which is connected with the first liquid stop valves (110, 111, 112), the second liquid stop valves (33, 34) and the third liquid stop valves (37, 38) and is used for controlling the opening degree of the first liquid stop valves, the second liquid stop valves and the third liquid stop valves. The controller can be the injection control module which controls the opening and closing of the liquid stopping valve and further controls the opening and closing of the infusion of the liquid medicine or the size of the infusion dosage. Further, the liquid stop valve may be replaced with a two-way valve.
In this embodiment, the automatic injection device has the following working flow:
all the bubble detection modules detect the air state in the infusion pipeline;
a state where the first liquid stop valve 110 is open, the first liquid stop valve 111 and the first liquid stop valve 112 are closed, the second liquid stop valve 33 is closed, the third liquid stop valve 37 is open, the second liquid stop valve 34 is open, and the third liquid stop valve 38 is closed;
the first branch pipe 11 and the first branch pipe 12 are provided with liquid medicine as contrast medium, and the first branch pipe 13 is provided with liquid medicine as physiological saline;
the diaphragm injection module 35 and the diaphragm injection module 36, one ready for medicine suction and one ready for injection, move oppositely;
starting an injection control module and/or a controller, wherein at the moment, the membrane injection module 35 and the membrane injection module 36 respectively start to move, the membrane injection module 35 starts to inject, the membrane injection module 36 starts to suck medicine, and the movement of the two modules is just opposite; when the membrane injection module 35 is in the injection process, the second liquid stop valve 33 is closed, the third liquid stop valve 37 is opened, when the membrane injection module 36 is in the injection process, the second liquid stop valve 34 is closed, the third liquid stop valve 38 is opened, when the membrane injection module 35 is in the medicine absorption process, the third liquid stop valve 37 is closed, the second liquid stop valve 33 is opened, and when the membrane injection module 36 is in the injection process, the third liquid stop valve 38 is closed, and the second liquid stop valve 34 is opened;
further, the contrast agent on the first branch tube 11 is transmitted to the second bubble detection module 21 from top to bottom, the first liquid stop valve 110 is opened, the first liquid stop valve 111 and the first liquid stop valve 112 are closed, and the second bubble detection module 21 detects that the contrast agent changes from no bubbles to bubbles;
the contrast agent on the first branch pipe 12 is transmitted to the second bubble detection module 21 from top to bottom, the first liquid stop valve 110 is closed, the first liquid stop valve 111 is opened, the first liquid stop valve 112 is closed, and the second bubble detection module 21 detects that no bubble exists, and finally no bubble exists;
the physiological saline on the first branch pipe 13 is transmitted to the second bubble detection module 21 from top to bottom, the first liquid stop valve 112 is opened, the first liquid stop valve 110 and the first liquid stop valve 111 are closed, the second bubble detection module 21 changes from bubble to bubble-free and finally becomes bubble-free, and then the gas in the whole infusion pipeline is emptied;
the second connecting pipe 4 is connected with an external infusion tube;
taking contrast medium injection on the first branch pipe 11 as an example, in the contrast medium injection process, the first liquid stop valve 110 is opened, the first liquid stop valve 111 and the first liquid stop valve 112 are closed, if the membrane injection module 35 performs injection, the second liquid stop valve 33 is closed, the third liquid stop valve 37 is opened, meanwhile, the membrane injection module 117 performs medicine absorption, the second liquid stop valve 34 is opened, the third liquid stop valve 38 is closed, the two are performed simultaneously, the membrane injection module 35 and the membrane injection module 36 perform reciprocating motion continuously, and the whole system performs injection continuously; when the contrast agent injection task is completed and the saline solution in the first branch line 13 is ready for injection, the first stop valve 110 and the first stop valve 111 are closed, the first stop valve 112 is opened, and the system starts to inject the saline solution.
If the first bubble detecting module 17 detects bubbles during the injection process, after the injection task is finished, the medical staff will disconnect the external infusion tube from the patient first, then replace the contrast agent in the first branch tube 11, after replacing the new medicine bottle, control the injection control module to control the operation of the liquid stopping valve and the membrane injection module, discharge the gas to the second bubble detecting module 21 first, then close the first liquid stopping valve 110 and the first liquid stopping valve 111, open the first liquid stopping valve 112, discharge the air in the infusion tube by using the physiological saline (since the physiological saline is cheaper than the contrast agent, discharge the air by using the physiological saline) until the one-way valve 44, so as to prepare the next injection task.
After the patient finishes the enhancement radiography, the patient only needs to replace the external infusion tube, presses the exhaust key (connected with and controls the injection control module), connects the indwelling needle or the intravenous infusion needle, and finally can wait for the injection. The one-way valve 44 is arranged, so that the medicine flow can not flow back, the transfusion consumables can be replaced, the medicine liquid in the transfusion pipeline can not be polluted, and the sanitation of the whole transfusion process is guaranteed.
The utility model discloses an automatic injection device need not frequent change consumptive material, the cost is reduced, and infusion work efficiency is high, can serve more patients.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. An automatic injection device is characterized by comprising a first branch pipe assembly and a second branch pipe assembly, wherein the first branch pipe assembly and the second branch pipe assembly are connected through a first connecting pipe; the first branch pipe assembly comprises at least two first branch pipes connected in parallel, and the second branch pipe assembly comprises at least two second branch pipes connected in parallel;
each first branch pipe is provided with an installation module for installing a liquid medicine container; the first bubble detection module is used for detecting the state of the liquid medicine container and the air condition in the first branch pipe; the first liquid stop valve is used for controlling the liquid medicine circulation in the first branch pipe;
the first connecting pipe is provided with a second bubble detection module for detecting the circulation condition of the liquid medicine in the first connecting pipe and the air condition;
each second branch pipe is sequentially provided with a second liquid stop valve, a diaphragm injection module for pumping and pumping liquid medicine and a third liquid stop valve;
the second connecting pipe is provided with a third bubble detection module for detecting the circulation condition and the air condition of the liquid medicine in the second connecting pipe and a one-way valve for preventing the liquid medicine from flowing reversely.
2. The automatic injection device of claim 1, wherein the mounting module includes a piercing member for piercing the medical fluid container such that medical fluid within the medical fluid container enters the first manifold.
3. The automatic injection device of claim 2, wherein said medical fluid comprises a bottled medical fluid and/or a bagged medical fluid, said medical fluid container comprising a vial and/or a pouch;
each first branch pipe is also provided with a heater for heating the medicine bottle and/or the medicine bag.
4. The automatic injection device of claim 1, wherein the diaphragm injection module comprises a pump body, a diaphragm disposed within the pump body; and a drive assembly for driving movement of the diaphragm;
the driving assembly comprises a cylinder barrel, a piston and a piston rod, the piston is arranged in the cylinder barrel, the piston rod can stretch in and out of the cylinder barrel and is connected with the piston, one end of the piston rod stretches into the pump body and is connected with the diaphragm, and the piston drives the piston rod to move so as to drive the diaphragm to act.
5. The automatic injection device of claim 4, further comprising an injection control module coupled to the septum injection module for controlling the operational state of the septum injection module to adjust the rate and dosage of fluid injection.
6. The automatic injection device of claim 1, wherein the second connection tube is further provided with a pressure sensor for detecting the pressure of the infusion fluid.
7. The automatic injection device of claim 1, wherein an external infusion tube is connected to an end of the second connection tube for infusing fluid to a patient.
8. The automatic injection device of claim 1, wherein the first bubble detection module, and the first bubble detection module are infrared sensors or ultrasonic sensors.
9. The automatic injection device of claim 1, further comprising a controller connected to said first, second and third liquid stop valves for controlling the degree of opening thereof.
10. The automatic injection device of claim 1, wherein at least one medical fluid is a contrast media; at least one other medical fluid is physiological saline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020349138.3U CN212282379U (en) | 2020-03-18 | 2020-03-18 | Automatic injection device |
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| CN202020349138.3U CN212282379U (en) | 2020-03-18 | 2020-03-18 | Automatic injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116764028A (en) * | 2023-08-14 | 2023-09-19 | 首都医科大学宣武医院 | Microinjection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116764028A (en) * | 2023-08-14 | 2023-09-19 | 首都医科大学宣武医院 | Microinjection system |
| CN116764028B (en) * | 2023-08-14 | 2024-05-14 | 首都医科大学宣武医院 | Microinjection system |
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