Automatic dosing machine for medical intravenous medicine

Abstract

The invention discloses an automatic dosing machine for medical intravenous medicine, and relates to the technical field of medical instruments and intelligent medical equipment. Comprising an addition execution module, a visual verification module and a central control unit, the assembly execution module comprises a base, a stand column, a lifting guide and transmission assembly and an upper end mounting seat, the stand column is vertically arranged on the base, the lifting guide and transmission assembly is arranged on the stand column in a lifting mode, and the upper end mounting seat is fixedly connected to the lifting guide and transmission assembly; the upper end mounting seat is provided with a needle inserting assembly, a pushing and injecting assembly and a supporting and positioning part, and the visual verification module comprises an image acquisition device which is used for acquiring identification information of a medicine or a container to be added with the medicine. According to the invention, the automatic intravenous medicine adding and dispensing system based on visual verification and central control is constructed, so that the defects of the prior art in the aspects of medicine safety, occupational exposure risk, adding and dispensing precision, operation efficiency and the like are systematically overcome.

Description

Technical Field

[0002] This invention relates to the field of medical devices and intelligent medical equipment technology, specifically to an automatic intravenous medication dispensing machine, suitable for hospital intravenous medication preparation scenarios. Background Technology

[0003] With the continuous improvement of modern medical standards and the increasing demands for refined management of clinical medication, intravenous medication, as one of the most common and important methods of drug administration in hospital clinical treatment, directly affects patient medication safety and treatment outcomes in terms of its preparation safety, accuracy, and efficiency. Currently, in hospital ward nursing stations, intravenous medication preparation centers, and other locations, the preparation process for intravenous medication is still mainly done manually.

[0004] Existing manual intravenous medication preparation procedures typically involve multiple steps, including prescription verification, sterilization of drug packaging, opening of the vial or ampoule, extraction of the medication solution, injection of the solution into the solvent container, and shaking to mix. This process involves numerous repetitive steps and relies heavily on the operator's professional skills and concentration, leading to a number of problems in practical applications.

[0005] First, manual administration carries inherent medication safety risks. During prolonged, high-intensity medication administration, nurses are prone to inaccurate dosage drawing and medication verification errors due to fatigue and distraction. These risks are amplified, especially during peak hours or night shifts, potentially jeopardizing patient medication safety. Second, occupational exposure risks are significant. In departments such as oncology and hematology, intravenous medications often involve high-risk drugs such as chemotherapy drugs and biologics. Nurses inevitably come into direct contact with medications and aerosols during manual drawing and injection, posing occupational exposure risks such as skin contact, inhalation, and needlestick injuries. Long-term exposure can adversely affect the health of healthcare workers. Third, manual dispensing is inefficient. Manual dispensing relies on individual skill levels, making standardization and large-scale operations difficult. During peak medication administration periods or in wards, medication backlogs can easily occur, affecting the timeliness of clinical medication administration. Furthermore, the repetitive actions of aspiration and injection can easily lead to occupational strain injuries such as tenosynovitis in nurses, placing higher demands on the humanistic care of nursing staff.

[0006] To address these issues, some automated or semi-automated dispensing equipment has emerged in existing technologies. For example, fully automated dispensing systems for traditional Chinese medicine are mainly used for weighing, dispensing, and sealing granules, making them unsuitable for aseptic dispensing of intravenous medications. While some automated dispensing equipment for Western medicine incorporates mechanical actuators to automate actions such as extraction and injection, it still relies on manual intervention in drug identification, prescription verification, and closed-loop control of the dispensing process, making it difficult to fundamentally eliminate human error. Furthermore, existing automated dispensing equipment focuses primarily on automating mechanical actions, lacking intelligent identification and control mechanisms closely related to medication safety. It cannot effectively verify drug information before dispensing and cannot promptly interrupt operations when anomalies are detected, resulting in open processes and uncontrollable risks. Simultaneously, some equipment still needs improvement in drug compatibility, multi-dosage form adaptability, and dispensing accuracy control, making it difficult to meet the practical application needs of multiple departments and drug types in hospitals. Summary of the Invention

[0007] Currently, there is an urgent need for an automated intravenous medication dispensing device that organically combines visual drug verification, intelligent control, and automated dispensing execution. This device would enable automatic identification and verification of drug information, and based on this, implement closed-loop control of the dispensing process. This would improve the safety, accuracy, and efficiency of intravenous medication dispensing, reduce the occupational exposure risk for healthcare workers, and meet the needs of modern hospitals for intelligent and refined medication management. To achieve the above objectives, this invention provides an automated intravenous medication dispensing machine, comprising: Add an execution module, a visual verification module, and a central control unit; The dispensing execution module includes a base, a column, a lifting guide and transmission assembly, and an upper mounting base. The column is vertically mounted on the base, and the lifting guide and transmission assembly is movably mounted on the column. The upper mounting base is fixedly connected to the lifting guide and transmission assembly. The upper mounting base is provided with a needle assembly, a dispensing assembly, and a support and positioning component. The support and positioning component is used to support and position the container to be dispensed. The dispensing assembly is provided with a first channel interface, a second channel interface, and a third channel interface, which are connected to the valve body drive structure. The visual verification module includes an image acquisition device for acquiring the identification information of the medicine or the container to be dispensed. The central control unit is communicatively connected to the visual verification module and the configuration execution module. The central control unit identifies the identification information obtained by the visual verification module and controls the configuration execution module to complete the corresponding configuration action according to the identification result.

[0008] The identification information collected by the visual verification module includes at least one of the following: drug name, drug specifications, expiration date, batch number, barcode, or QR code.

[0009] The central control unit compares the identification information acquired by the visual verification module with the preset medication information. When the identification result matches the preset medication information, it controls the dispensing execution module to perform the dispensing action; when the identification result does not match the preset medication information, it controls the dispensing execution module to stop or interrupt the dispensing action. The central control unit issues a warning signal when the identification result does not match the preset medication information.

[0010] Based on the identification results, the central control unit sequentially controls the needle insertion assembly to perform the needle insertion action, controls the injection assembly to perform the extraction action, and controls the injection assembly to perform the injection action.

[0011] After each addition action is completed, the central control unit controls the visual verification module to collect the identification information again for verification.

[0012] The visual verification module performs an initial identification and verification of the medicine before the dispensing process begins, and a final identification and verification of the container to be dispensed after the dispensing process is completed.

[0013] The valve body drive structure includes a multi-way valve body and a driver that drives the multi-way valve body to rotate. The central control unit controls the driver to achieve selective connection between the first channel interface, the second channel interface and the third channel interface.

[0014] The central control unit controls the lifting guide and transmission components to drive the needle assembly to rise or fall, so as to achieve puncture operations at different height positions.

[0015] Under the control of the central control unit, the dispensing execution module automatically completes the entire dispensing process of needle insertion, extraction, and injection, without requiring manual contact with the drug container.

[0016] Compared with the prior art, the present invention has the following beneficial effects: This invention introduces visual verification and central control into the intravenous medication preparation process. The visual verification module automatically identifies the identification information of the drug or the container to be added, and the central control unit controls the preparation execution module based on the identification results. This realizes automatic verification of drug information before preparation and linkage control of preparation actions, thereby reducing the risk of medication errors caused by manual verification from the source and improving the safety of intravenous medication preparation.

[0017] This invention establishes a closed-loop control mechanism through a central control unit. When the visual verification result does not match the preset medication information, it can automatically interrupt the dispensing execution module, preventing incorrect medications from entering the dispensing process. Compared to existing dispensing methods that rely solely on manual confirmation or post-event verification, this invention offers higher process controllability and risk prevention capabilities.

[0018] This invention, through the combination of lifting and guiding components and transmission components with liquid dispensing components, metering / injection components and support / pressure positioning components, realizes automatic alignment, needle insertion, extraction and injection operations in the process of intravenous drug preparation. This reduces the number of manual operation steps, improves the consistency and repeatability of the prepared dosage, and reduces the measurement deviation caused by differences in the skill level of human operators.

[0019] This invention employs a closed fluid pathway structure during the preparation process. By switching the pathway between the metering / push-in component and the valve body drive structure, quantitative extraction and injection of the drug solution are achieved, reducing direct contact between medical personnel and the drug solution during operation. It is especially suitable for the preparation of high-risk drugs such as chemotherapy drugs, effectively reducing the risk of occupational exposure.

[0020] This invention combines mechanical execution structure with intelligent control, enabling the intravenous medication preparation process to be completed continuously and automatically. This significantly reduces the workload of nurses performing repetitive medication preparation operations in places such as ward nurse stations, helps alleviate occupational strain caused by long-term high-intensity operations, and improves the safety and humanistic care level of nursing work.

[0021] This invention uses the visual verification module and the central control unit as the core components of the system. Without relying on complex dedicated hardware, it achieves intelligent adaptation to different drug types and dispensing scenarios. It has good scalability and engineering deployment feasibility, and is suitable for promotion and application in the existing hospital drug management system.

[0022] In summary, this invention systematically addresses the shortcomings of existing technologies in terms of medication safety, occupational exposure risk, dispensing accuracy, and operational efficiency by constructing an automated intravenous medication dispensing system based on visual verification and central control. It provides a safe, reliable, and easily scalable intelligent technical solution for hospital intravenous medication dispensing. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments or examples of the present invention, the accompanying drawings used in the following description of the embodiments or examples will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the technical solutions shown in these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the overall structure of the dispensing execution module of an automated intravenous medication dispensing machine; Figure 2 A schematic diagram of the fluid metering and pathway switching component structure for adding an execution module. Legend: 10. Base; 11. Column; 12. Lifting guide and transmission assembly; 13. Upper mounting base; 21. Optical distance sensor; 30. Pin assembly; 31. Injection assembly; 32. Support / holding positioning component; 33. Container to be added; 40. Valve body drive structure; A. First passage interface; B. Second passage interface; C. Third passage interface. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] It should be noted that the following detailed descriptions are exemplary and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] This paper describes how an automated intravenous medication dispensing machine achieves automatic drug identification, accurate dispensing, and aseptic operation throughout the entire process based on visual verification and central control. Specific verification standards are shown in Table 1 below. Table 1 Verification Threshold System Drug information mismatch The drug name, specifications, or batch number do not match the preset information. Level 1 YY 0505-2012 5.2.1 Expiration date abnormal expired or <30 days from expiration Level 1 GB 15982-2012 4.3.2 Barcode recognition failed Unable to recognize or decoded after 3 consecutive scans Level 2 YY / T 0466.1-2016 6.1 Container positioning offset The offset of the support positioning component is greater than 2mm. Level 2 GB 8368-2018 5.4.1 abnormal pin position Insertion depth deviation > 1.5 mm or angle deviation > 5° Level 1 YY 0505-2012 5.3.4 Liquid extraction deviation The actual extraction volume deviates from the preset value by more than ±5%. Level 2 USP <797> standards Abnormal injection rate Injection rate exceeding 0.5-5 ml / s Level 2 YY 0505-2012 5.4.2 Bubble detection The volume of air bubbles in the pipeline is >0.1ml Level 2 GB 8368-2018 5.5.3 Abnormal aseptic state The pressure difference in the operating chamber is less than 10 Pa or the particle concentration exceeds the standard. Level 1 GB 50333-2013 6.2.1 Path switching failed Valve body drive structure response time > 500ms Level 2 YY / T 0466.1-2016 7.2 See Figures 1-2 In the following embodiments, the following settings are used: The addition execution module includes a base 10, a column 11, a lifting guide and transmission assembly 12, and an upper mounting base 13. The upper mounting base 13 is equipped with a pin assembly 30, a dispensing assembly 31, and a support and positioning component 32. The dispensing assembly 31 has a first channel interface A, a second channel interface B, and a third channel interface C, which are connected to the valve body drive structure 40. The visual verification module includes a top camera unit, a side camera unit, and a bottom camera unit. The central control unit includes a main processor, an image recognition processor, and a motion controller. During the addition operation, the system status is divided into: standby state, verification state, addition execution state, and completion state.

[0029] Example 1: In the centralized intravenous medication preparation center of the inpatient pharmacy, the pharmacist places one bottle of ceftriaxone sodium powder for injection (1.0g) and one bag of 0.9% sodium chloride injection (100ml) sequentially at the feeding station. The system is initialized to standby mode, and the central control unit initiates the preparation process via the main processor 81.

[0030] The top camera unit first acquires images of the ceftriaxone sodium powder for injection, obtaining information such as the barcode on the drug label, the drug name "Ceftriaxone Sodium for Injection," the specification "1.0g," the batch number "20240315," and the expiration date "2026-03-14." The image recognition processor 82 completes OCR recognition and barcode parsing within 150 milliseconds and transmits the results to the main processor.

[0031] The main processor compares the medication information in the database: the preset medication information is "Ceftriaxone Sodium for Injection 1.0g Batch No. 20240315". The system determines that the drug name, specification, and batch number match perfectly, and the expiration date is 456 days away, which meets the verification standards in Table 1. The initial verification is successful.

[0032] The side camera unit simultaneously scanned the sodium chloride injection solution and identified its specification as 100ml, which is consistent with the solvent specification required by the doctor's order, and the solvent verification was passed.

[0033] The central control unit switches to the auxiliary execution state, and the motion controller controls the lifting guide and transmission assembly 12 to descend to the preset height, so that the double needles of the needle insertion assembly 30 are aligned with the center position of the powder injection vial stopper. The support positioning component 32 detects the position of the vial body through a photoelectric sensor, and the offset is 0.8mm, which is within the allowable range.

[0034] The needle insertion assembly 30 performs the needle insertion action, with one needle serving as the air intake passage and the other as the liquid extraction passage. The motion controller controls the needle insertion depth to 12mm, with an angular deviation of less than 2°, which meets the safety standards for "abnormal needle position" in Table 1.

[0035] The syringe piston of the injection assembly 31 moves backward under the drive of a stepper motor, drawing 10 ml of solvent from the sodium chloride injection bag through the first access interface A. The flow sensor monitors the drawing speed in real time as 2.5 ml / s, with a drawing volume error of +0.3 ml, within the allowable range of ±5%.

[0036] The valve body drive structure 40 rotates 120° under the control of the central control unit, connecting the first access interface A and the second access interface B, allowing the solvent to be injected into the powder injection vial through the needle assembly 30. The injection rate is controlled at 1.2 ml / s, and the bubble detection device in the tubing confirms that the bubble volume is 0.05 ml, which meets the standard.

[0037] After dissolution is complete, the system waits 30 seconds to ensure the drug is fully dissolved. Then, the needle assembly 30 is reinserted into the stopper, 10.3 ml of the dissolved drug solution is drawn, and injected into the sodium chloride injection bag through the third access interface C to complete the preparation.

[0038] After the infusion bag is prepared, the lifting guide and transmission assembly 12 is raised, and the bottom camera unit takes a picture of the prepared infusion bag, identifying the pre-attached patient label, preparation completion time label, and pharmacist signature label on the bag. The central control unit compares the preparation record with the label information, and switches to the completed state after confirming that there are no errors.

[0039] The entire dispensing process took 3 minutes and 45 seconds, with no manual contact between the medicine and the container. The positive pressure inside the operating chamber was maintained at 12 Pa, meeting the aseptic environment requirements of GB 50333-2013. The central control unit uploaded the dispensing records, verification images, and operating parameters to the pharmacy management system via the network, achieving full traceability.

[0040] Example 2: At the intravenous admixture center of a cancer hospital, a chemotherapy regimen containing oxaliplatin needs to be prepared for a patient. The pharmacist places oxaliplatin injection (50mg / 10ml) and 5% glucose injection (250ml) at the feeding station. Due to the cytotoxicity of chemotherapy drugs, the system activates high-protection mode.

[0041] The top camera unit captures images of oxaliplatin injection from multiple angles. The image recognition processor not only identifies the barcode but also uses a deep learning model to recognize the "High Alert Drug" label and "Cytotoxicity" warning sign on the packaging. The system identifies the drug name "Oxaliplatin Injection," the specification "50mg (10ml)," the batch number "20240201," and the expiration date "2025-12-31."

[0042] The main processor retrieves the medical order information: Patient ID 20241224001, medication regimen "Oxaliplatin 50mg + 5% glucose injection 250ml intravenous drip". The system determines that the drug information matches the medical order perfectly, but detects that the expiration date is only 372 days away from the current date. Although the first-level alarm for "expiration date < 30 days" in Table 1 is not triggered, the system records this expiration information for inventory management optimization.

[0043] Considering the photosensitivity of oxaliplatin, the central control unit switches the LED light source in the operating chamber to an amber low-intensity mode to reduce the risk of photodegradation. The motion controller controls the lifting guide and transmission assembly 12 to move to the oxaliplatin vial position.

[0044] The support and positioning component 32 uses negative pressure adsorption to fix the vial. The positional offset is detected by the optical distance sensor 21 as 1.2mm, which meets the standard. The special anti-backflow needle of the needle assembly 30 penetrates the bottle stopper to a depth controlled at 8mm to prevent the needle tip from touching the bottom of the bottle and causing the rubber particles to fall off.

[0045] The injection assembly 31 draws 20 ml of solvent from the glucose injection bag through the first access interface A. After the valve body drive structure 40 switches the access, the solvent is injected into the oxaliplatin vial at a slow rate of 0.8 ml / s to avoid generating air bubbles that could affect the uniformity of the drug concentration. The air bubble detection device in the tubing monitors in real time to ensure that the air bubble volume is always below 0.05 ml.

[0046] After dissolution was complete, the system waited 60 seconds and the vial was gently shaken using a oscillator to promote dissolution. Then, 10.2 ml of the solution was drawn; the actual drawn volume deviation was +2%, which is within the allowable range.

[0047] The valve body drive structure 40 switches the pathway again, pushing the drug solution into the 250ml glucose injection bag through the third pathway interface C. Since chemotherapy drugs must be kept out of the tubing, the system automatically flushes the tubing twice with 5ml of glucose solution after injection to ensure complete drug transfer.

[0048] After preparation, the bottom camera unit photographs the finished infusion bag, identifying the patient label, the "cytotoxic drug" warning label, and the preparation time. Once the central control unit verifies the information, it controls the robotic arm to place the infusion bag into a sealed transport box.

[0049] The system then initiates a self-cleaning procedure: all parts of the needle assembly 30 and the injection assembly 31 that come into contact with the medication are rinsed with a 0.5% sodium hypochlorite solution for 3 minutes, followed by rinsing twice with water for injection to ensure that the concentration of residual medication is below the detection limit. The HEPA filtration system in the operating chamber operates at enhanced speed to ensure that the aerosol concentration is reduced to a safe level. In some embodiments, the software architecture of an automated intravenous medication dispensing machine adopts a modular design. The central control unit runs a real-time operating system to complete the underlying control, the image recognition processor runs a deep learning inference engine, and the cloud server is used for model training, data analysis, and remote monitoring. The three are connected through an encrypted communication link to form a complete intelligent dispensing system.

[0050] In some embodiments, an automated intravenous medication dispensing machine can be configured with a machine learning module to identify non-standard formats of drug labels; a transfer learning mechanism can be used to quickly train the identification model for new drugs; and a quality prediction model based on historical dispensing data can be established to improve the system's ability to predict abnormal events and reduce the false alarm trigger rate.

[0051] In some embodiments, the central control unit is connected to a communication module, which communicates with the hospital information system (HIS), pharmacy management system, and mobile nurse workstation. A visual verification module archives images of key nodes in each dispensing action. The system is coupled to an electronic weighing device to verify changes in container weight before and after dispensing, ensuring accurate medication dosage. The communication module of this automated intravenous medication dispensing machine includes an Ethernet interface, a Wi-Fi module, a Bluetooth module, and a 4G / 5G communication module. The Ethernet interface enables wired connection between the device and the hospital's intranet; the Wi-Fi module enables data interaction between the central control unit and mobile terminals; the Bluetooth module enables data transmission between the device and a smart label printer; and the 4G / 5G communication module enables remote data synchronization and firmware updates between the device and a cloud server.

[0052] The operating terminal is equipped with a touch screen, control panel, communication module, buzzer, and LED indicators to display the status of the dispensing process, receive operation commands, and trigger corresponding alarms based on the verification results output by the central control unit. Weighing sensors monitor the weight of medicines and containers in real time and transmit this data to the central control unit for quality verification via the communication module. The system's software architecture adopts a modular design. The dispensing execution module uses embedded firmware to complete motion control and sensor data acquisition; the visual verification module runs a deep learning inference engine to complete image recognition; the central control unit runs a real-time operating system to coordinate the work of each module; and the cloud platform is used for data storage, model training, and system monitoring. These four components form a complete intelligent dispensing system through a multi-level communication network.

[0053] Along the data flow path, the data collected by each front-end sensor and camera is filtered, amplified, and digitized by the signal processing unit, and then enters the motion control, image recognition, and quality inspection subsystems respectively. After completing the time synchronization, feature extraction, and anomaly judgment of the data, it enters the central control unit for fusion decision-making, generates control commands and outputs them to the actuators, and sends status reports to the hospital information system and cloud platform through the communication module to achieve real-time monitoring and full-process traceability.

[0054] The data processing unit standardizes, aligns, and verifies multi-dimensional redundancy of data from different sources according to unified processing specifications, and forms comprehensive quality assessment parameters through multi-sensor information fusion. The central control unit, based on a preset quality control model, comprehensively analyzes the fused visual, weight, flow, and pressure parameters to generate control commands and alarm signals corresponding to the safety level. The system data processing unit performs unified standardized quantification and time-series synchronization on heterogeneous data from the visual verification module, weighing sensor, flow sensor, and pressure sensor, performing cross-modal data fusion to form a comprehensive parameter vector characterizing the quality of the dispensing operation. The central control unit uses a preset multi-dimensional quality assessment algorithm to perform correlation analysis on the accuracy of drug identification, the precision of drug dosage, and the compliance of the operating procedure, generating corresponding quality level judgment results.

Claims

1. An automatic intravenous medication dispensing machine, characterized in that, This includes adding an execution module, a visual verification module, and a central control unit; The addition execution module includes a base (10), a column (11), a lifting guide and transmission assembly (12), and an upper mounting seat (13). The column (11) is vertically mounted on the base (10). The lifting guide and transmission assembly (12) is movably mounted on the column (11). The upper mounting seat (13) is fixedly connected to the lifting guide and transmission assembly (12). The upper mounting seat (13) is provided with a needle assembly (30), a push assembly (31), and a support and positioning component (32). The support and positioning component (32) is used to support and position the drug container (33). The push assembly (31) is provided with a first channel interface (A), a second channel interface (B), and a third channel interface (C). The first channel interface (A), the second channel interface (B), and the third channel interface (C) are connected to the valve body drive structure (40). The visual verification module includes an image acquisition device for acquiring the identification information of the drug or the drug container (33). The central control unit is communicatively connected to the visual verification module and the configuration execution module. The central control unit identifies the identification information obtained by the visual verification module and controls the configuration execution module to complete the corresponding configuration action according to the identification result.

2. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The identification information collected by the visual verification module includes at least one of the following: drug name, drug specifications, expiration date, batch number, barcode, or QR code.

3. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The central control unit compares the identification information obtained by the visual verification module with the preset medication information. When the identification result matches the preset medication information, it controls the dispensing execution module to perform the dispensing action. When the identification result does not match the preset medication information, it controls the dispensing execution module to stop or interrupt the dispensing action.

4. The automatic intravenous medication dispensing machine according to claim 3, characterized in that, The central control unit issues a warning signal when the identification result does not match the preset medication information.

5. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The central control unit sequentially controls the needle insertion assembly (30) to perform the needle insertion action, controls the injection assembly (31) to perform the extraction action, and controls the injection assembly (31) to perform the injection action based on the identification result.

6. The automatic intravenous medication dispensing machine according to claim 5, characterized in that, After each addition action is completed, the central control unit controls the visual verification module to collect the identification information again for verification.

7. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The visual verification module performs an initial identification and verification of the drug before the dispensing process begins, and performs a final identification and verification of the container (33) to be dispensed after the dispensing process is completed.

8. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The valve body drive structure (40) includes a multi-way valve body and a driver that drives the multi-way valve body to rotate. The central control unit controls the driver to achieve selective connection between the first channel interface (A), the second channel interface (B) and the third channel interface (C).

9. The automatic intravenous medication dispensing machine according to claim 1, characterized in that, The central control unit controls the lifting guide and transmission assembly (12) to drive the needle assembly (30) to rise or fall, so as to realize puncture operations at different height positions.

10. An automatic intravenous medication dispensing machine according to claim 1, characterized in that, The dispensing execution module automatically completes the entire dispensing process of needle insertion, extraction, and injection under the control of the central control unit. The dispensing process does not require manual contact with the drug container (33).

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