Auxiliary device for foaming experiment operation and microbubble generator

Abstract

The utility model relates to an auxiliary device for foaming experiment operation, a microbubble generator, an injector, an injection needle, a microbubble generating assembly and an auxiliary device for foaming experiment operation, the front part of the injector is hermetically connected with the near end of a mounting shell, and the output end of the injector is connected with a fluid inlet of the microbubble generating assembly; through the arrangement of the fixing frame and the power device, the situation that the contrast agent pushing and injecting speed of an operator is low or the pushing and injecting times are different is greatly reduced, the more effective detection effect is achieved, and meanwhile through the unique microbubble mixer, the situation that the operator conducts detection through a manual oscillation method is avoided; and the microbubble generating assembly is arranged in the microbubble generator, so that the mixing amount of gas in unit liquid can be increased, the volume of the mixed gas is smaller, the quantity of the mixed gas is larger, and a surfactant is dissolved in the liquid, so that a large amount of mixed microbubbles are more stable, and an ideal diagnosis effect can be achieved by utilizing the contrast agent to contrast.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to an auxiliary device for foaming experiment detection operation of patent foramen ovale and a microbubble generator. BACKGROUND

[0002] Patent foramen ovale occupies a very important position in the cause screening of cerebral apoplexy, and seriously threatens human life safety; the stroke center established by each hospital must carry out the foaming experiment project to pass the stroke center acceptance; therefore, the foaming experiment detection has been widely carried out in clinical work.

[0003] The foaming experiment detection has the characteristics of small trauma, high requirement for patient cooperation, long time of repeated manual operation of the operator, and high frequency, and is the only accurate detection project for screening patent foramen ovale. The most critical step in the foaming experiment detection is to inject the peripheral venous vessel of the human body after the artificial manufacturing of microembolus (1ml of patient's autologous blood + 8ml of physiological saline + 1ml of air is fully mixed), and the detection is carried out at the appropriate time with the cooperation of the signal detection with the heart beating, so as to achieve the purpose of diagnosing the disease.

[0004] The microembolus injected into the blood vessel, that is, the mixture containing the patient's blood, physiological saline and air, requires to be small, dense and fast in injection speed; the whole process is long in manual operation time, and the connection point is urgent, so that the body fluid is easy to splash, the medical staff is exposed to the occupation, and the medical safety hidden danger exists; at the same time, the injection speed of the operator with insufficient experience is slow or the injection times are different, so that the mixing effect of the contrast agent is poor, the foaming effect of the contrast agent does not reach the expectation, and the diagnosis is affected. Therefore, an auxiliary device for foaming operation is urgently needed. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides an auxiliary device for foaming experiment operation and a microbubble generator, which can realize the stable control of the syringe during the foaming experiment operation through the setting of the fixing frame and the power device, the pushing speed is controllable, the mixing amount of the gas in the unit liquid is improved through the setting of the microbubble generating assembly in the microbubble generator, the volume of the mixed gas is smaller, the quantity is more, the surface active agent is dissolved in the liquid, the mixed microbubble is more stable, and the ideal diagnosis effect can be achieved through the contrast of the contrast agent.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The utility model discloses a kind of foaming experimental operation auxiliary devices, comprising: fixed frame and power device;The fixed frame includes: support beam, mounting beam and mounting shell, the number of the support beam is two and symmetrically arranged, the two ends of the mounting beam are respectively connected with the proximal end of two support beam, the middle part of the support beam is provided with syringe fixing beam, the free end of the syringe fixing beam is provided with limit slot;The mounting shell is fixed in the distal end of the support beam by connecting beam, to fix the output end of syringe and install foaming component, and the distal end of the mounting shell is provided with luer joint;The power device includes drive assembly and moving slider, the drive assembly is fixed on the mounting beam, the moving slider is provided with with the power output end of the drive assembly is connected, and the moving slider moves up and down under the action of the drive assembly.

[0008] Further optimization of the utility model technical scheme, the drive assembly includes micro motor and transmission screw rod, the transmission screw rod proximal end is connected with the output shaft of the micro motor, and the distal end is installed on the syringe fixing beam through bearing, the moving slider is provided with with the transmission screw rod is matched with driven nut.

[0009] Further optimization of the utility model technical scheme, the front and rear side surface of the syringe fixing beam is provided with arc chamfer between the limit slot.

[0010] Further optimization of the utility model technical scheme, the mounting shell is the cylindrical shape of proximal end opening, and the inboard of the upper portion of the mounting shell is provided with sealing groove for installing sealing ring.

[0011] Further optimization of the utility model technical scheme, the side surface of the moving slider and syringe contact is provided with fixed clamping groove, and the fixed clamping groove is used to limit the piston handle of syringe.

[0012] The utility model technical scheme further provides a kind of microbubble generator, including syringe, injection needle, microbubble generation component and the auxiliary device for foaming experimental operation described above, the front part of the syringe is connected with the proximal end of the mounting shell, and the output end of the syringe is connected with the fluid inlet of the microbubble generation component;The microbubble generation component is arranged in the sealed cavity formed between the syringe and the mounting shell;And the output end of the microbubble generation component is connected with the distal end of the mounting shell;The injection needle is installed on the mounting shell by the luer joint;Gas chamber is provided between the microbubble generation component and the inner wall of the mounting shell, and the gas chamber is used to provide gas for the microbubble generation component.

[0013] The further optimization of the utility model technical scheme, the microbubble generating assembly includes body and fixed wing, the fixed wing is arranged on the body, and the inner wall of the mounting shell is provided with the fixed groove matched with the fixed wing;The distal end of the body is provided with a connector, and the lower part of the mounting shell is provided with a mounting groove in sealed connection with the connector.

[0014] The further optimization of the utility model technical scheme, the body includes integrally arranged syringe connector, inflow channel, gas-liquid mixing channel and outflow channel, the syringe connector is arranged at the end of the outflow channel, the gas-liquid mixing channel is provided with the first through hole in communication with the gas chamber, and the inflow channel or / and the outflow channel is provided with the second through hole in communication with the gas chamber.

[0015] The further optimization of the utility model technical scheme, the gas-liquid mixing channel includes contraction section, straight section and diffusion section, and the first through hole is arranged on the body corresponding to the straight section.

[0016] The further optimization of the utility model technical scheme, the inner surface of the syringe is provided with a surfactant coating.

[0017] The utility model discloses the beneficial effect:

[0018] Through the design of the fixed frame, the effect of stably fixing the syringe can be achieved, especially the syringe fixing beam and the mounting shell structure, the syringe can be conveniently and quickly mounted on the fixed frame through the syringe fixing beam, and the syringe can be closely combined with the fixed frame through the structural design of the mounting shell, a second supporting point is provided for the syringe, and the stability of the syringe during work is improved;Through the setting of the power device, manual intervention can be saved, and operation errors and medical hazards caused by human factors during operation can be reduced.

[0019] On the basis of the auxiliary device, the microbubble generator is made by cooperating with the microbubble generating assembly, small gas volume and high density contrast agent can be quickly made under the action of the microbubble generating assembly, and through the setting of the surfactant coating on the inner surface of the syringe, the surfactant can be dissolved into the liquid during injection, so that the stability of the gas in the liquid is improved, small and high-density bubbles can enter the detection position, and auxiliary diagnosis is facilitated through contrast. DRAWINGS

[0020] The above and other objects, features and advantages of the utility model will become more apparent through the following description of the utility model embodiments with reference to the accompanying drawings, in which:

[0021] Figure 1 It is the structural schematic diagram of the utility model fixed frame;

[0022] Figure 2Is the power device structure schematic diagram of the utility model;

[0023] Figure 3 Is the overall structure schematic diagram of the installation shell of the utility model;

[0024] Figure 4 Is Figure 3 The installation shell and the microbubble generating assembly combination along B-B in the sectional view of the utility model;

[0025] Figure 5 Is Figure 3 The installation shell along B-B in the sectional view of the utility model;

[0026] Figure 6 Is the overhead view of the body in the microbubble generating assembly of the utility model;

[0027] Figure 7 Is the sectional structure schematic diagram of the body;

[0028] Figure 8 Is the overall assembly structure schematic diagram of the microbubble generator of the utility model;

[0029] Figure 9 Is the local structure schematic diagram of the microbubble generator of the utility model;

[0030] Figure 10 Is the application schematic diagram of the microbubble generator of the utility model.

[0031] In the drawing: 1, fixed frame;2, power device;3, syringe;4, injection needle;5, microbubble generating assembly;

[0032] 11, support beam;111, syringe fixing beam;112, limiting groove;12, installation beam;13, installation shell;131, luer joint;132, installation groove;133, air chamber;134, fixed groove;14, connecting beam;15, power supply box;

[0033] 21, micro motor;22, moving slider;23, transmission screw;24, bearing;

[0034] 31, injection cylinder;32, piston handle;

[0035] 51, inflow channel;52, gas-liquid mixing channel;521, contraction section;522, straight section;523, diffusion section;53, outflow channel;54, first through hole;55, syringe connector;56, connector;57, second through hole;58, fixed wing. DETAILED DESCRIPTION

[0036] The utility model is described below based on the embodiments, but the utility model is not limited to these embodiments only. In the following detailed description of the utility model, some specific details are described in detail, in order to avoid confusion of the essence of the utility model, the well-known methods, processes, procedures, elements are not described in detail.

[0037] In addition, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

[0038] Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".

[0039] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0040] The following will be described in detail Figures 1-10 The technical scheme of the present application is described in detail.

[0041] The utility model provides a kind of auxiliary device for foaming experiment operation, by the design of mechanical structure, in the contrast detection of oval hole unclosed, it can reduce the detection error caused by artificial participation, and can make detection structure stable, relative to the mode of artificial bubble and advancing syringe 3 in prior art, generally need to be detected 2-3 times to obtain accurate judgment, after reducing artificial error, basically can experiment once contrast examination can obtain accurate diagnosis effect, improve detection efficiency while reducing the pain of patient, the auxiliary device of specific technical scheme, including fixed frame 1 and power device 2, such as Figure 1As shown, the fixed frame 1 comprises: support beams 11, the number of which is two and symmetrically arranged, mounting beams 12, the two ends of which are respectively connected to the proximal ends of the two support beams 11 in a screw fixed connection, mortise and tenon structure connection or the like; the middle part of the support beam 11 is provided with a syringe fixing beam 111, the free end of the syringe fixing beam 111 is provided with a limiting groove 112, which cooperates with the structure of the two symmetrically arranged support beams 11 to form a syringe 3 clamping space between the two syringe fixing beams 111, and the syringe 3 can be stably clamped through the limiting groove 112, thereby improving the stability during work; the mounting shell 13 is fixed to the distal end of the support beam 11 through a connecting beam 14, and the mounting shell 13 can provide a second supporting point for the syringe 3, so that the syringe 3 is closely matched with the fixed frame 1, thereby enhancing the stability and safety during work; in a preferred embodiment, in order to improve the stability of the mounting shell 13, the connecting beam 14 can be provided in an inclined structure having a certain angle with the support beam 11, or the connecting beam 14 is provided in a right triangle structure, one of the right angle sides of which is connected to the outer side wall of the mounting shell 13. Because a mounting space is reserved in the mounting shell 13, a luer connector 131 is arranged at the distal end of the mounting shell 13 to facilitate the direct or indirect connection of the output end of the syringe 3 with the injection needle 4. In order to facilitate the control of the syringe 3, the power device 2 comprises a driving assembly and a moving slider 22, the driving assembly is fixed on the mounting beam 12, the moving slider 22 is provided with a power output end connected to the driving assembly, and the moving slider 22 moves up and down under the action of the driving assembly. The driving assembly in this technical solution can use a plug-in power supply connection structure, or a power supply can be arranged on the support beam 11 and fixed in cooperation with a power supply box 15.

[0042] The driving assembly can be a cylinder driving structure or a driving structure of a lead screw and nut, when it is a cylinder driving structure, the moving slider 22 is controlled by the telescopic rod of the cylinder, and then the syringe 3 is pushed to work. Preferably, Figure 2 As shown, the driving assembly comprises a micro motor 21 and a transmission lead screw 23, the proximal end of the transmission lead screw 23 is connected to the output shaft of the micro motor 21, the distal end is installed on the syringe fixing beam 111 through a bearing 4, and the moving slider 22 is provided with a driven nut matched with the transmission lead screw 23. By arranging the micro motor 21, the rotation speed of the micro motor 21 can be intelligently controlled in cooperation with a PLC controller, so as to control the pushing speed of the moving slider 22 through the transmission lead screw 23, and realize stable and controllable control of the syringe 3.

[0043] In order to facilitate the installation of the injector 3, the front and rear sides of the injector fixing beam 111 and the limiting groove 112 are provided with a circular arc chamfer, and the distance between the centers of the two limiting grooves 112 is equal to the diameter of the injector 3 by using the deformation property of the injector 3 itself, so that when installing, the injector 3 can be slightly pressed to be installed into the limiting groove 112, and the limiting groove 112 can tightly fix the injector 3.

[0044] The preferred technical scheme of the present application is that the installation shell 13 is a cylindrical body with a proximal opening, and a sealing groove for installing a sealing ring is arranged on the inner side of the upper part of the installation shell 13, so that the spattering of the injection liquid during installation of the injector 3 can be prevented, and the stability of the injector 3 during operation is increased by the confinement of the sealing ring.

[0045] In addition, in order to realize the push or pull control of the injector 3 by the driving assembly, a fixed clamping groove is arranged on the side of the moving slider 22 in contact with the injector 3, and the fixed clamping groove is used to define the piston handle 32 of the injector 3, and the fixed clamping groove is a T-shaped groove or the moving slider 22 is arranged in two parts. The foaming experiment operation auxiliary device can be used with the foaming assembly, or two can be used together to place the injectors 3 for extracting gas and liquid, and the two are pulled and pushed to realize the effect of gas-liquid mixing, replacing manual operation. When used with the foaming assembly, the moving slider 22 mainly has a pushing effect, and the structure of the fixed clamping groove can be omitted.

[0046] The use method of the foaming experiment operation auxiliary device in the technical scheme is that the distal end of the injector 3 is inserted into the installation shell 13, and then the injector 3 is moved in the direction of overlapping with the fixed frame 1, and when the injector 3 contacts the circular arc chamfer of the limiting groove 112, the injector barrel 31 of the injector 3 is pressed to be clamped into the limiting groove 112, and then the moving slider 22 is adjusted to make the lower surface of the moving slider 22 contact the upper surface of the piston handle 32 to realize the function of pushing the injection. When the auxiliary device is used for gas-liquid mixing, two injectors 3 are used together, and when the injector barrel 31 contacts the arc chamfer of the limiting groove 112 during installation, the position of the moving slider 22 is adjusted to make the fixed clamping groove correspond to the piston handle 32.

[0047] The utility model discloses technical scheme still provides a kind of microbubble generator, including syringe 3, injection needle 4, microbubble generating assembly 5 and with the auxiliary device for foaming experiment operation described above, the front part of the syringe 3 is sealedly connected with the proximal end of the installation shell 13, the output end of the syringe 3 is connected with the fluid inlet of the microbubble generating assembly 5;The microbubble generating assembly 5 is arranged in the sealed cavity formed between the syringe 3 and the installation shell 13;And the output end of the microbubble generating assembly 5 is connected with the distal end of the installation shell 13;The injection needle 4 is installed on the installation shell 13 by the luer joint 131;Gas chamber 133 is arranged between the microbubble generating assembly 5 and the inner wall of the installation shell 13, and the gas chamber 133 is used to provide gas for the microbubble generating assembly 5, and the technical scheme can be directly used to manufacture contrast medium, and the liquid in the syringe 3 and the gas in the gas chamber 133 can be mixed by the microbubble generating assembly 5.Moreover, the auxiliary device for foaming experiment operation can realize uniform speed freezing propulsion, so that the bubble-making rate and injection rate are kept in stable state, and the error of imaging examination caused by human factors is reduced.The syringe 3 is preferably 5ml or 10ml, and the injection needle 4 is selected from 18G-22G.

[0048] In the embodiment, the microbubble generating assembly 5 includes a body and a fixed wing 58, the fixed wing 58 is arranged on the body, and the inner wall of the installation shell 13 is provided with a fixed groove 134 matched with the fixed wing 58, when the body is put into the upper part of the installation shell 13, the fixed wing 58 can be put into the fixed groove 134 correspondingly, so that the body is stably fixed in the installation shell 13, and the fixed wing 58 (at least two) symmetrically arranged on the outer periphery of the body can position the fluid channel of the body at the center position of the installation shell 13, to facilitate the connection of the output port of the syringe 3 with the body; further, in order to fix the body and ensure the sealing box of the fluid channel, a connecting head 56 is arranged at the distal end of the body, and the lower part of the installation shell 13 is provided with a mounting groove 132 sealedly connected with the connecting head 56, and the outer periphery of the connecting head 56 is provided with a sealing groove for placing a sealing ring.

[0049] In order to realize the high-efficiency gas-liquid mixing, the body comprises an integrally arranged injector connecting head 55, an inflow channel 51, a gas-liquid mixing channel 52 and an outflow channel 53, the injector connecting head 55 is arranged at the end of the outflow channel 53, the gas-liquid mixing channel 52 is provided with a first through hole 54 in communication with the gas chamber 133, the diameter of the first through hole 54 is 0.1mm-0.2mm, the inflow channel 51 or / and the outflow channel 53 is provided with a second through hole 57 in communication with the gas chamber 133. The gas-liquid mixing channel 52 comprises a contraction section 521, a straight section 522 and a diffusion section 523, the first through hole 54 is arranged on the body corresponding to the straight section 522, in the working process, the liquid is pressed into the body by the injector 3, under the action of the hydrostatic pressure, the liquid will flow into the gas chamber 133 through the second through hole 57 when flowing through the inflow channel 51, and the liquid will also flow into the gas chamber 133 through the second through hole 57 when flowing through the outflow channel 53, but when flowing into the gas-liquid mixing channel 52, the flow rate of the liquid will be accelerated due to the action of the contraction section 521, the flow rate is the fastest and the hydrostatic pressure is the smallest in the straight section 522, at this time, the gas in the gas chamber 133 will enter the liquid through the first through hole 54, realizing the mixing of the gas phase and the liquid phase. By arranging the second through hole 57, when the liquid flows into the gas chamber 133, the gas-liquid in the gas chamber 133 can be increased, so that the pressure difference inside and outside the first through hole 54 is increased, which is more conducive to the mixing of the gas into the liquid, by controlling the size and number of the first through hole 54, the density and size of the mixed gas in the liquid can be adjusted, and when the fluid flows through the diffusion section 523, the turbulent flow is formed, which can further shear the bubbles mixed in the straight section 522 into smaller bubbles, thereby realizing the effect of bubble generation in the liquid.

[0050] In order to improve the stability of the bubbles in the liquid and the convenience of the experimental operation, the inner surface of the injector 3 used in the scheme is provided with a surfactant coating, when the injector 3 is used to draw the liquid, the surfactant can be dissolved into the liquid to maintain the stability of the liquid phase, and the surfactant can reduce the coalescence between the bubbles after mixing a large amount of bubbles.

[0051] The working process of the microbubble generator of the technical scheme is as follows:

[0052] When the syringe 3 extracts the appropriate amount of liquid, it is loaded into the fixed frame 1, and the syringe 3 is connected to the microbubble generating assembly 5 body, the micro motor 21 is started to drive the transmission screw 23 to rotate, the rotation of the transmission screw 23 makes the moving slider 22 move downward, thereby generating a downward pressure on the piston handle 32 of the syringe 3, so that the liquid in the syringe 3 moves to the body of the microbubble generating assembly 5, generating a certain flow rate, when the liquid enters the contraction channel from the inflow channel 51 at a certain speed, the gas in the gas chamber 133 will enter the liquid from the first through hole 54, thereby mixing with the liquid in the outflow channel 53 to form microbubbles injected into the venous blood vessels. The mixed microbubbles enter the right atrium of the heart through the venous blood vessels; if there is a patent foramen ovale, the generated microbubbles will enter the left atrium through the patent foramen ovale, thereby completing the detection of the patent foramen ovale symptom. This process, through the driving assembly control the pressure, greatly reduces the operator's injection speed or injection times are not the case, to achieve more effective detection effect, at the same time through the unique microbubble mixer, without relying on manual shaking method by the operator to detect.

[0053] It should be understood that the above embodiments are only exemplary and not limiting, and those skilled in the art can make various obvious or equivalent modifications or replacements to the above details without departing from the basic principles of the present application, which will be included in the scope of the claims of the present application.

Claims

1. An auxiliary device for foaming experiment operation, characterized by, The utility model relates to a kind of foaming experimental operation auxiliary devices, including: Fixed frame and power device; The fixed frame includes: support beam, mounting beam and mounting shell, the number of the support beam is two and symmetrically arranged, two ends of the mounting beam are connected with the proximal end of two support beams respectively, the middle part of the support beam is provided with syringe fixed beam, and the free end of the syringe fixed beam is provided with limit slot;The mounting shell is fixed in the distal end of the support beam by connecting beam, to fix the output end of syringe and install foaming component, and the distal end of the mounting shell is provided with luer joint; The power device includes drive assembly and moving slider, the drive assembly is fixed on the mounting beam, the moving slider is provided with power output end connection with the drive assembly, and the moving slider moves up and down under the action of the drive assembly.

2. The foaming experiment operation assisting apparatus according to claim 1, wherein The drive assembly includes micro motor and transmission screw rod, the proximal end of the transmission screw rod is connected with the output shaft of the micro motor, and the distal end is installed on the syringe fixed beam through bearing, and the moving slider is provided with driven nut matched with the transmission screw rod.

3. The foaming experiment operation assisting apparatus according to claim 1, wherein The front and rear sides of the syringe fixed beam and the limit slot are provided with circular-arc chamfer.

4. The foaming experiment operation assisting apparatus according to claim 1, wherein The mounting shell is cylindrical with proximal end opening, and the inner side of the upper part of the mounting shell is provided with sealing groove for installing sealing ring.

5. The foaming experiment operation assisting apparatus according to claim 1, wherein The side of the moving slider in contact with syringe is provided with fixed clamping groove, and the fixed clamping groove is used to limit the piston handle of syringe.

6. A microbubble generator characterized by comprising: The utility model relates to a kind of foaming experimental operation auxiliary devices, including:

7. The microbubble generator of claim 6, wherein, Fixed frame and power device; 8. The microbubble generator of claim 7, wherein, The fixed frame includes: support beam, mounting beam and mounting shell, the number of the support beam is two and symmetrically arranged, two ends of the mounting beam are connected with the proximal end of two support beams respectively, the middle part of the support beam is provided with syringe fixed beam, and the free end of the syringe fixed beam is provided with limit slot;The mounting shell is fixed in the distal end of the support beam by connecting beam, to fix the output end of syringe and install foaming component, and the distal end of the mounting shell is provided with luer joint; 9. The microbubble generator of claim 8, wherein, The power device includes drive assembly and moving slider, the drive assembly is fixed on the mounting beam, the moving slider is provided with power output end connection with the drive assembly, and the moving slider moves up and down under the action of the drive assembly.

10. The microbubble generator of claim 6, wherein, The drive assembly includes micro motor and transmission screw rod, the proximal end of the transmission screw rod is connected with the output shaft of the micro motor, and the distal end is installed on the syringe fixed beam through bearing, and the moving slider is provided with driven nut matched with the transmission screw rod. The front and rear sides of the syringe fixed beam and the limit slot are provided with circular-arc chamfer. The mounting shell is cylindrical with proximal end opening, and the inner side of the upper part of the mounting shell is provided with sealing groove for installing sealing ring. The side of the moving slider in contact with syringe is provided with fixed clamping groove, and the fixed clamping groove is used to limit the piston handle of syringe. The utility model relates to a kind of foaming experimental operation auxiliary devices, including: Fixed frame and power device; The fixed frame includes: support beam, mounting beam and mounting shell, the number of the support beam is two and symmetrically arranged, two ends of the mounting beam are connected with the proximal end of two support beams respectively, the middle part of the support beam is provided with syringe fixed beam, and the free end of the syringe fixed beam is provided with limit slot;The mounting shell is fixed in the distal end of the support beam by connecting beam, to fix the output end of syringe and install foaming component, and the distal end of the mounting shell is provided with luer joint; The power device includes drive assembly and moving slider, the drive assembly is fixed on the mounting beam, the moving slider is provided with power output end connection with the drive assembly, and the moving slider moves up and down under the action of the drive assembly. The drive assembly includes micro motor and transmission screw rod, the proximal end of the transmission screw rod is connected with the output shaft of the micro motor, and the distal end is installed on the syringe fixed beam through bearing, and the moving slider is provided with driven nut matched with the transmission screw rod. The front and rear sides of the syringe fixed beam and the limit slot are provided with circular-arc chamfer. The mounting shell is cylindrical with proximal end opening, and the inner side of the upper part of the mounting shell is provided with sealing groove for installing sealing ring. The side of the moving slider in contact with syringe is provided with fixed clamping groove, and the fixed clamping groove is used to limit the piston handle of syringe. The utility model relates to a kind of foaming experimental operation auxiliary devices, including: Syringe, injection needle, microbubble generating component and the auxiliary device for foaming experimental operation of any one of claims 1-5, the front of the syringe is connected with the proximal end of the mounting shell, the output end of the syringe is connected with the fluid inlet of the microbubble generating component;The microbubble generating component is arranged in the sealed cavity formed between the syringe and the mounting shell;And the output end of the microbubble generating component is connected with the distal end of the mounting shell;The injection needle is installed on the mounting shell through the luer joint;The microbubble generating component and the inner wall of the mounting shell are provided with air chamber, and the air chamber is used to provide gas for the microbubble generating component. The microbubble generating component includes body and fixed wing, the fixed wing is arranged on the body, and the inner wall of the mounting shell is provided with fixed slot matched with the fixed wing;The distal end of the body is provided with connecting head, and the lower part of the mounting shell is provided with mounting slot sealedly connected with the connecting head. The body includes integrally arranged syringe connecting head, inflow channel, gas-liquid mixing channel and outflow channel, the syringe connecting head is arranged at the end of the outflow channel, the gas-liquid mixing channel is provided with first through hole communicated with the air chamber, and the inflow channel or / and the outflow channel is provided with second through hole communicated with the air chamber. The gas-liquid mixing channel includes contraction section, straight section and diffusion section, and the first through hole is opened on the body corresponding to the straight section. The inner surface of the syringe is provided with surfactant coating.

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