74 results about "Injections methods" patented technology

The invention relates to an injection system, an injection method and a control method for medical capillary polishing, and the injection system comprises a first liquid storage pipe used for storing magnetorheological fluid; the first three-way connector is connected with the first liquid storage tank through a first pipeline; the first pump is connected with the first three-way joint through a second pipeline; the second pipeline comprises a vertical pipe body which is partially vertically arranged, and the space between the first pump and the vertical pipe body is filled with a gas section; the capillary tube is connected with the first three-way connector through a third pipeline; the first pinch valve is installed on the first pipeline and the third pipeline and used for cutting off the first pipeline or the third pipeline. The particle settling volume in the injection system can be reduced, the machining precision is improved, and the service life of equipment is prolonged.

The utility model discloses a well structure for injecting a suspended state repairing agent. The well structure comprises an injection well, a lower end injection pipeline and an upper end injection pipeline, wherein the lower end injection pipeline downwards penetrates into the injection well from the top of the injection well; the upper end injection pipeline is arranged on the side wall of one side of the top of the injection well; and a Y-shaped tee joint is arranged at the bottom of the lower end injection pipeline. By adopting the well structure, the migration and distribution uniformity of the suspended state repairing agent is remarkably improved, the reaction efficiency with pollutants is enhanced, meanwhile, the repairing cost is reduced, the construction period is shortened, and the repairing quality is ensured. Meanwhile, the problem that in a traditional injection method, when the repair depth exceeds the injection range or the repair medium is bed rock, it is difficult to inject suspended-state repair agents is solved.

The application discloses a double-cheek local medicine injector and an injection method thereof, and relates to the technical field of medical treatment.The injector comprises an injection barrel, a liquid outlet barrel connected to the front end of the injection barrel, a connecting barrel sleeved on the periphery of the liquid outlet barrel, an opening of the connecting barrel being attached to one side of the injection barrel, a needle connected to one end of the connecting barrel of the injection barrel, a push rod slidingly fitted in the hollow part of the injection barrel, a piston head attached to the inside of the injection barrel being connected to the side of the push rod facing the liquid outlet barrel, and a clamping mechanism arranged on the periphery of the injection barrel for clamping the connecting barrel.The clamping mechanism can be used to quickly disassemble the needle, and the medical staff does not need to laboriously pull out the needle, and the medical staff does not need to put the hand into the oral cavity of the patient during the process of pulling out the needle, the connecting barrel can be detached by directly rotating the clamping mechanism at the edge of the needle, and the medical staff is facilitated to replace the injection barrel.

The invention relates to a same-well extraction and irrigation method and system for an L-shaped well. The system comprises at least one well group, each well group at least comprises two L-shaped wells arranged at intervals, and well pipes are arranged in the L-shaped wells; the at least one heat compensation system is matched with the well group; the control device is arranged corresponding to the well group, the heat supply input end is connected with the water outlet end of the L-shaped well, the heat supply output end is connected with a lower-stage unit, the heat compensation input end is connected with the heat compensation system, the heat compensation output end is connected with the well pipe, and the control device is configured to decide the working mode of the L-shaped well in the same group and the regulation and control state of the well pipe based on the heat supply output end and the water outlet temperature of each well. The method specifically comprises the steps of judging the working mode and the recovery mode of the L-shaped well, selecting the recovery mode and adjusting the water outlet flow. The collecting modules are arranged at the water outlet ends of the L-shaped wells and the heat supply output end of the control device. Through well group binding, real-time monitoring and intelligent regulation and control, parallel heat collection and recovery are achieved, and heat supply continuity and energy recycling are guaranteed.

A method for injecting a therapeutic agent into a patient's skin or mucosa. The method uses a vial containing a therapeutic agent and a syringe containing a diluent comprising an aqueous solution. Attach a closed system drug transfer (CSDT) device to the syringe. Attach the CSDT device to the vial. Transfer the diluent from the syringe into the vial through the CSDT. Mix the diluent and the therapeutic agent to make a therapeutic agent solution mixture. Fill the syringe with the therapeutic agent solution mixture. The concentration of the therapeutic agent in the therapeutic agent solution mixture is ≤ 5 mg / ml. Inject the therapeutic agent solution mixture into skin or mucosa of the patient. Also disclosed are other injection methods and injection kits.

The invention belongs to the technical field of medical ultrasonic diagnosis auxiliary equipment, and discloses an electric right heart acoustic radiography foaming device which comprises a device body, the device body comprises a base, a mounting plate is fixedly arranged on the rear side of the base, a driving assembly is arranged on the front side of the mounting plate, and the driving assembly comprises fixing frames fixed to the upper side and the right side of the mounting plate; a stepping motor is fixedly arranged at the top of the fixing frame, a ball screw is fixedly arranged at the tail end of a main shaft of the stepping motor, a sliding block is spirally arranged on the outer side of the ball screw in a sleeving mode, and a connecting rod is fixedly arranged at the bottom of the sliding block, so that accurate controllability of power transmission and visual adjustment of parameters in the contrast agent injection process are achieved; specifically, key parameters such as injection speed and dosage can be accurately set through the operation panel, a traditional manual injection mode is replaced, and the stability of the foaming effect of the contrast agent is guaranteed.

The present invention relates to an automatic injection device, and the automatic injection device, which administers a medicinal solution after inserting a multi-needle equipped with a plurality of injection needles into a skin at a vacuum pressure, includes: a suction motor which generates the vacuum pressure; a current detector which is provided in the suction motor to detect a current generated in the suction motor; a control unit which controls the vacuum pressure; and an air flow sensor which detects an extent in which air is sucked, wherein the vacuum pressure varies depending on the value of the current detected by the current detector and the amount of air of the air flow sensor.

The invention provides an electrotome for operation, relates to the technical field of medical instruments, and realizes the technical scheme of injecting liquid into an electrotome main body by adopting different liquid injection modes in different working states, namely a non-blocking state and a blocking state by arranging a connecting component capable of being rotationally switched between the electrotome main body and an injection device. When the electrotome body is not blocked, a user can rotate the connecting component to a lifting state relative to the injection device, at the moment, liquid can be injected into the electrotome body by manually pushing the injection device, operation is easy and convenient, response is rapid, and the electrotome is suitable for conventional liquid injection scenes; when the electrotome is used, the connecting component can be rotated to the connecting state, the first threaded section on the injection device and the second threaded section on the connecting component form stable threaded connection, at the moment, a user can inject liquid into the electrotome body in a pressurized mode through threaded transmission in a rotating mode, and therefore a blocked part can be effectively dredged.

This invention discloses an injection method for CaHA microsphere products that enhance facial three-dimensionality through multi-layering, relating to the field of cosmetic technology. The method includes: precise injection techniques and area division based on specific needs; and a combination of needle angle, injection depth, layer, and dosage for specific anatomical locations. Specifically designed for Asian facial structures, it provides a strong, naturally integrated solution. By using CaHA microsphere injection products, the following effects can be achieved: Facial volume replenishment: effectively replenishing facial soft tissue atrophy and fat loss caused by aging, skin aging, or genetic factors, restoring facial fullness. It is commonly used to fill sunken areas of the face, such as tear troughs, nasolabial folds, sunken temples, and sunken cheeks.

The application discloses an eye implant injector and an eye implant injection method. The eye implant injector comprises a holding handle, a holding surface on the outside of the holding handle, a hollow inside of the holding handle forming a sliding cavity, a front end port on the front end of the holding handle, the front end port communicating with the sliding cavity, a sliding body arranged in the sliding cavity of the holding handle and in sliding cooperation with the sliding cavity, an outer catheter, a hollow inside of the outer catheter forming a guide cavity, a rear end of the outer catheter connected with the front end of the holding handle, an injection needle connected with the sliding body, the injection needle passing through the front end port and in sliding cooperation with the guide cavity of the outer catheter, and an end clamp installed on the front end of the injection needle and having at least a first clamp head and a second clamp head capable of being opened and closed with each other. The application can conveniently implant the eye implant, is convenient to operate, and can better guarantee the implantation effect.

The invention relates to the technical field of OCT imaging, and discloses an OCT automatic injection method, an OCT system applied to the OCT automatic injection system and a turbo system, and the method comprises the steps that an injection pump control module of the OCT system generates an injection control instruction and determines operation parameters, or the turbo system generates the injection control instruction and receives the operation parameters of the OCT system; a motor transmission module of the turbo system is connected with an injection pump control module, motor thrust is generated based on an injection control instruction and operation parameters, the motor thrust is applied to an injector through an injection module, and a medium in the injector is injected into a blood vessel; and an imaging control module of the OCT system synchronously controls an imaging device to perform OCT scanning on the blood vessel in the injection process so as to obtain an OCT image. Cooperative interaction control between the OCT system and the turbo system can be achieved, OCT scanning is synchronously completed in the injection process, and it is ensured that the injection speed and dosage are accurate and controllable.

This invention provides a continuous micro-dose delivery device and injection method, including a needle device, a drug storage device, a piston pusher device, a power storage device, a power release device, and a control device. Under the action of the control device, the power release device releases a specified piston stroke, and the power storage device pushes the piston pusher device to move a specified piston stroke into the drug storage device, through which the drug solution in the drug storage device is discharged via the needle device. Using the power storage device as a power source, the piston is driven by rotation or direct push. The required number of pulses is calculated based on the dosage to be infused or the distance the piston travels, and the control device precisely controls the power release device to release the specified piston stroke, thus improving the accuracy of the drug delivery dosage. A coupling assembly consisting of multiple gears connects the rotary magnetic brake assembly and the piston pusher device, enabling the rotary magnetic brake assembly to control a larger force from the power storage device with a smaller force.

The invention discloses a radiopharmaceutical split charging and injection system and a precise split charging and injection method, and belongs to the field of nuclear medicine split charging and injection. The system comprises a medicine dilution bottle protection mechanism and a subpackage transfer catheter, the split charging and transferring catheter is formed by a plurality of three-way valves connected in series, and the ports of the three-way valves of the split charging and transferring catheter are at least connected with a medicine injector, a diluent extraction tube and an injection tube; the medicine dilution bottle protection mechanism comprises a first activity detector, and a second activity detector is arranged on the outer side of the medicine injector. A radiopharmaceutical detector is arranged on the outer side of the injection tube. Through the arrangement of the first activity detector and the second activity detector, timely detection and re-checking of the concentration of liquid medicine in the medicine split charging process can be achieved, the actual metering of liquid medicine injection can be further checked, the injected liquid medicine is more accurate and more effective, and the clinical injection requirement is greatly met. And the injection process can be qualitatively monitored in real time through the arrangement of the radiopharmaceutical detector, so that the operation convenience and safety are improved.

The application discloses a medical tissue glue modified formula and injection method for treating esophageal varices, and relates to the field of tissue glue; the medical tissue glue modified formula and injection method for treating esophageal varices introduce polyoxyl glycol as a modifier, not only reduce the brittleness and hardness of n-butyl alpha-cyanoacrylate after polymerization, make the formed vascular embolus more flexible, significantly reduce the cutting risk of traditional hard glue block to thin-walled mucosa, thereby reduce the incidence of postoperative glue leakage ulcer and rebleeding; at the same time, polyoxyl glycol itself as a hardener can synergistically damage the vascular endothelium, accelerate thrombosis and vascular fibrosis, and improve the long-term occlusion effect; secondly, the addition of dragon's blood extract or nano-silver and other antibacterial components in the formula can actively inhibit local bacterial colonization, effectively reduce the risk of postoperative sepsis for the clinical pain points of low immunity and easy infection of patients with cirrhosis.

The invention discloses a facial contour lifting method, and belongs to the technical field of medical cosmetology. According to the method, nine key injection points are determined and the quantity ratio is accurately controlled on the basis of Jiayden MD-Codes and Escherre C type injection techniques, and movable rivet points are added according to the face sagging condition. And 9, the contour of the rivet is lifted. High-quality hyaluronic acid is selected and injected into the periosteum or ligament of the face through a specific technique, and the rivet type lifting effect is achieved. A Heart-Inside love face aesthetic system is used as guidance, inner and outer contours are built, and facial highlight and shadow areas are remodeled by referring to makeup skills. Comprehensive face evaluation is carried out before an operation, a specific injection method is adopted during the operation, and careful nursing and effect evaluation adjustment are carried out after the operation. The method achieves personalized facial contour improvement, has the advantages of being minimally invasive, remarkable in effect, durable, stable and the like, can effectively improve the facial aging problem, and meets the beauty requirements of different crowds.

The invention relates to the technical field of medical instruments, in particular to an automatic sample feeding method and device for a sample cup of a blood coagulation analyzer, and the automatic sample feeding device comprises a shell, a cup feeding assembly, a belt releasing assembly, a belt collecting assembly, a sample cup disc, a cup belt seat and a cup belt, the cup feeding assembly comprises a cup feeding seat, a belt pressing wheel, a cup feeding cover plate and a discharging component; when a single sample cup moves to the cup inlet cover plate under the traction of the cup belt, the sample cup on the cup belt is stripped by the cup inlet cover plate; then the tape collecting assembly continues to pull the cup tape, and the cup tape drives the subsequent sample cup and the stripped sample cup to move towards the outlet along the sample cup channel; in the process, due to the fact that the cup belt and the sample cup material have elasticity and errors possibly exist in the actual traction stroke, when the sample cup cannot completely enter the connection position on the discharging component, the guide face can guide the side edge of the cup body to the correct path, displacement deviation generated by elastic deformation is compensated, it is guaranteed that the sample cup smoothly and completely enters the next station, and the sample cup is prevented from being damaged. And the cup squeezing or clamping phenomenon is effectively avoided.

The invention belongs to the field of biological medicine, and particularly relates to a medicine for treating EGFR mutation non-small cell lung cancer meningeal metastasis, application, a medicine box and a preparation method of the medicine, the medicine is a freeze-dried powder preparation or injection of EGFR-TKIs for subarachnoid space injection, the amount of EGFR-TKIs per person in the medicine is 0.01-5 mg, and the amount of EGFR-TKIs in the medicine is 0.01-5 mg. The injection method comprises any one of lumbar puncture, bridge forebay indwelling catheter injection and Ommaya capsule injection. The prepared EGFR-TKIs injection can be directly injected into the subarachnoid space, the drug concentration in cerebrospinal fluid of a patient is greatly improved, the cerebrospinal fluid / plasma concentration ratio of the EGFR-TKIs injection is increased from far less than 1 to more than 2 times and even can reach more than 10 times, and the EGFR-TKIs injection can completely solve the problem of insufficient dosage caused by a blood-brain barrier after oral administration of a targeted drug and has a good application prospect. The medicine takes effect quickly, and the treatment effect on lung cancer meningeal metastasis can be remarkably improved.

The application discloses a driving mechanism, a driving method, an automatic injection device and an injection method. The driving mechanism comprises a push rod, a guide tube, a release sleeve and a rotor. The push rod is coaxially arranged in the guide tube. The guide tube is provided with elastic arms and a first opening. The release sleeve is coaxially nested on the outer wall of the guide tube. The release sleeve is provided with a second opening and a first elastic hook. The rotor is nested on the outer wall of the release sleeve and is used for limiting the radial movement of the first elastic hook. The rotor is provided with a third opening. When the first opening and the third opening intersect, and when the first elastic hook moves to the intersecting position, the first elastic hook is ejected towards the third opening, so that the guide tube releases the axial limitation on the release sleeve. When the second opening reaches the position of the elastic arms, the outer elastic arms release the axial limitation on the push rod, and the push rod moves from the distal end to the proximal end. The control start of multiple nodes can be realized, and the uniformity of drug mixing during injection is improved.

To reduce grouting costs while efficiently improving ground.SOLUTION: An injection method of a grout material comprises: a permeability coefficient acquisition step of acquiring a permeability coefficient of the ground in a drilled hole; a grout material determination step of determining a type of grout material based on the permeability coefficient acquired in the permeability coefficient acquisition step; and a grout material injection step of injecting the type of grout material determined in the grout material determination step into the drilled hole. In the grout material determination step, when the permeability coefficient acquired in the permeability coefficient acquisition step is greater than a predetermined threshold value, the type of grout material is determined to be a first grout material generated by mixing a first cement and water, and when the permeability coefficient acquired in the permeability coefficient acquisition step is equal to or less than the threshold value, the type of grout material is determined to be a second grout material generated by mixing second cement having an average particle size smaller than the average particle size of the first cement with water.SELECTED DRAWING: Figure 2

The invention discloses a fluid medium injection method and device, and belongs to the technical field of fluid medium conveying. A plurality of injection points are arranged in the circumferential direction of an injection opening of a to-be-filled cavity, a fluid medium is injected into the to-be-filled cavity along the injection points, and the fluid medium pressure of at least one injection point is higher than that of the other injection points. The fluid medium entering the to-be-filled cavity forms circumferential sweeping flow along the filling cavity under the action of the circumferential pressure difference; according to the method, the fluid medium pressure of at least one injection point is set to be higher than the fluid medium pressure of the other injection points, so that a non-equilibrium pressure field distributed in the circumferential direction can be constructed in the to-be-filled cavity, and static pressure balance formed under the condition of multiple injection points is destroyed; therefore, the fluid medium entering the to-be-filled cavity forms circumferential sweeping flow along the to-be-filled cavity under the action of the circumferential pressure difference, and the fluid medium can cover and fully fill the to-be-filled cavity in a continuous flowing state.

The invention discloses a rat parotitis model construction method based on general anesthesia and parotid gland directional injection, which belongs to the technical field of biology and comprises the steps of animal preparation, anesthesia, disinfection incision exposure, LPS injection and postoperative care. The method has the advantages that the parotid gland is directly exposed by adopting a longitudinal incision of the cheek, 2mg / mL LPS (0.2 mL and depth of 2mm) is injected, microscope positioning is not needed, the operation is simple and convenient, inflammation is limited to the parotid gland, pathological characteristics (alveolar injury, inflammatory infiltration and saliva reduction) are consistent with those of clinical application, the success rate is greater than or equal to 90%, and compared with an existing catheter injection method, the method is high in repeatability, less in interference and suitable for disease mechanism research and drug screening.

The present invention aims to provide a syringe that can minimize tissue damage near the injection port of the injected object. It provides an syringe that injects a solution containing biomolecules from the syringe body into the injected object without injecting through a given structure inserted into the injected object. The syringe includes a container for holding the solution containing biomolecules and a nozzle for ejecting the pressurized solution through and out of the injected object. When fitting the relationship between the displacement x of the front end of the solution containing biomolecules within the injected object and the velocity u(x) of the front end of the solution using a fitting function expressed by equation (1) and employing the least squares method, the damping coefficient k is 1.59 or higher, and u(x) = u0exp(-kx) + u e (1), where u0 represents the velocity coefficient (m / s), k represents the damping coefficient (1 / mm), u e This indicates the asymptotic velocity (m / s).

The invention discloses a multi-modal imaging guided bone hydatid cyst fluid suction and artemisinin in-situ injection method, which relates to the technical field of medical treatment, and comprises the following steps: step 1, turning on devices corresponding to MRI (Magnetic Resonance Imaging), CT (Computed Tomography) and ultrasound to form a multi-modal imaging device, and carrying out multi-modal imaging on a to-be-treated part of a patient; 2, the suction and injection integrated device is placed at the treatment position, and the skin at the treatment position is adsorbed through the suction and injection integrated device; 3, medical staff sutures the wound, a circular ring is placed at the treatment position of a patient, traction and fixation are conducted through a traction frame on an operating table, then a central control computer controls micro air pumps to output corresponding power, each suction cup has the corresponding comprehensive suction index, the skin of the patient is sucked, and the wound is sutured through the medical staff. The skin of the treated part of the patient is adsorbed through the three circles of suction cups, manual work can be replaced, the treatment intelligence is improved, quick response can be made when throb conditions occur, and the treatment reliability is improved.

An injection method using an injection device having a housing, a dose set knob and a driver, where during dose setting and said dose correcting, the driver is prevented from rotating with the dose set knob while moving axially with said dose set knob, and during dose injecting the driver is engaged with the dose set knob thereby forcing the driver to rotate with the dose set knob. A clicker operatively engaged between the dose set knob and said driver provides audible or tactile indicia during dose setting or dose correcting. A dose stop member prevents further rotational movement of the dose set knob in a dose setting direction when the dose set knob is rotated to a last dose setting position.

This invention belongs to the field of fire protection technology, specifically relating to a multiphase media injection device, injection method, and usage method. The multiphase media injection device includes: an outer cylinder for conveying a liquid medium; a delivery pipe disposed within the outer cylinder for conveying a solid medium via gas; and a gas-solid separation pipe disposed on the delivery pipe, wherein the gas in the delivery pipe can mix with the liquid medium in the outer cylinder through the gas-solid separation pipe.

The present invention specifically relates to a filler injection device. The filler injection device includes: an injection pipe; the filler reaches the filled area via the injection pipe; a discharge device, which includes: a discharge pipe; the separated liquid of the filler can be discharged via the discharge pipe; a density meter, which is used to measure the density of the material discharged via the discharge pipe in real time; and an extraction device, which is arranged at one end of the discharge pipe away from the filled area, and the separated liquid in the filled area is discharged via the discharge pipe under the action of the extraction device. When the density of the material discharged from the discharge pipe measured by the density meter is greater than the set value, the extraction device stops the extraction work. The filler injection device of the present invention realizes the active identification of the status of the separated liquid in the filled area and stops extraction after the separated liquid is completely extracted.

The invention discloses a GBM animal model and a construction method and application thereof, and belongs to the technical field of animal model construction. A construction method of a GBM mouse model comprises the following steps that S1, a mouse is anesthetized, the respiratory rate of the mouse is adjusted, and after prepared skin is disinfected, the mouse is cut backwards from the midpoint of a connecting line of inner-eye canthi along a median sagittal line; s2, drilling, injecting a cell suspension, retaining a needle for a certain time, slowly pulling out the needle, and plugging a needle hole; s3, performing disinfection after surgical incision suturing, performing conventional feeding, and checking whether modeling succeeds or not. U87 cells of a female NOD SCID mouse of 8 weeks old are adopted as immune cells, the GBM mouse model is successfully constructed through a specific injection method at a specific position, a specific depth and a specific injection method on the head of the mouse, the GBM of the model mouse is heterogeneous GBM, and the model is stable and reliable and can be used for GBM research and new drug curative effect test; the method provided by the invention is high in success rate of constructing the heterogeneity GBM mouse model, and is simple and easy to operate.

The invention relates to a secondary injection type pintle injector and an injection method thereof.The secondary injection type pintle injector comprises a pintle and an outer nozzle, the middle of the pintle is sleeved with the outer nozzle, and an annular first injection channel is formed between the outer nozzle and the middle of the pintle; the pintle comprises an outer sleeve and an inner sleeve, the two axial ends of the outer sleeve are each of an open structure, one axial end of the inner sleeve is of a plugging structure, the other axial end of the inner sleeve is of an open structure, the inner sleeve is arranged in the outer sleeve in a sleeved mode, a second injection channel is formed between the inner sleeve and the outer sleeve, and the open end of the inner sleeve is fixedly connected with the open end of the outer sleeve in a sealed mode; the plugged end of the inner sleeve is positioned in the outer sleeve; a plurality of inner swirl nozzles are arranged in the second injection channel, one end of each inner swirl nozzle is connected with the inner sleeve and communicates with an inner cavity of the inner sleeve, and the other end of each inner swirl nozzle is connected with the outer sleeve and communicates with the first injection channel; the inner swirl nozzle extends along the tangential direction of the inner sleeve; and a plurality of injection holes are formed in the outer sleeve.

The present application relates to the field of cosmetic technology, in particular to a filling and shaping injection method based on improving facial aesthetics, which identifies target areas according to individual three-dimensional morphological assessment or digital assessment results, includes a facial support system, a volume system and a contour system, selects at least one system in the target area based on the type of aesthetic defect, and selectively implements one or more injections; the facial support system includes eyebrow arch, malar arch, temporal region and mandibular angle region; the volume system includes forehead, cheek and neck; the contour system includes nose, chin, lower jaw edge and ear base; according to the physiological structure and shaping needs of different parts, the injection material is accurately selected and the dilution ratio is determined, laying a foundation for shaping effect. The filling agent stock solution or suitable proportion diluent can provide stable support and / or improve texture due to its own material properties, and good compatibility with the surrounding tissue after injection.

The application relates to the technical field of microinjection, in particular to a microinjection system and an injection method. The microinjection device comprises a moving carrier, at least two mechanical arms and injectors arranged at the ends of the mechanical arms correspondingly. The moving carrier comprises a horizontal moving platform and a rotating platform. The rotating platform is arranged on the horizontal moving platform and is used for carrying culture dishes containing at least two different types of samples. The rotating axis of the rotating platform is arranged vertically. The horizontal moving platform is used for driving the rotating platform to move in the mutually perpendicular horizontal X direction and horizontal Y direction. The number of the injectors is the same as the number of the sample types. The at least two mechanical arms drive the injectors at the ends to perform injection operations on one type of sample. The application can perform injection on various types of samples in the same culture dish, thereby greatly improving the efficiency of microinjection operation.