An ampoule liquid extraction and injection mechanism

By designing an ampoule liquid extraction and injection mechanism, and utilizing an adaptive cylindrical clamping module and electromagnetic drive, the automated extraction and injection of ampoule liquid has been achieved, solving the problem of low efficiency in manual operation, improving work efficiency, and avoiding operational errors.

CN115944533BActive Publication Date: 2025-12-02SHANGHAI BELIER INTELLIGENT SYST CO LTD
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Patent Information

Application Number
CN202211641809.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-20
Publication Date
2025-12-02
Estimated Expiration
2042-12-20

AI Technical Summary

Technical Problem

In hospital infusion rooms, the extraction and injection of ampoule solutions rely on manual operation, which leads to low efficiency and is prone to errors.

Method used

An ampoule liquid extraction and injection mechanism was designed, comprising a syringe rotation module, a dual optical axis module, and a syringe control module. The syringe is fixed and automated by using an adaptive cylindrical clamping module, and the liquid is extracted and injected by electromagnetic drive and mechanical transmission.

Benefits of technology

It improves the efficiency of drug extraction and injection, avoids errors caused by manual operation, and achieves automated and efficient drug processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses an ampoule liquid extraction and injection mechanism, including a syringe rotation module connected to a dual optical axis module, on which a syringe control module is mounted. This mechanism also uses an adaptive cylindrical clamping module to fix syringes of different sizes, and the syringe rotation module can adjust the syringe alignment direction. Combined with the dual optical axis module, it achieves automatic extraction and injection of ampoule liquid, resulting in high efficiency and avoiding errors caused by manual operation.
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Description

Technical Field

[0001] This invention relates to the field of drug extraction and injection mechanisms, specifically to an ampoule drug extraction and injection mechanism. Background Technology

[0002] In hospital infusion rooms, when medical staff prepare medications for patients, they need to open the ampoules, draw out the medication, and then add it to the solvent for reconstitution. The entire process of drawing and injecting the ampoule solution is done manually, which is prone to errors when preparing large quantities of medication, and is also time-consuming and labor-intensive. Summary of the Invention

[0003] The purpose of this invention is to provide an ampoule liquid extraction and injection mechanism to solve the problems mentioned in the background art. To achieve the above objective, this invention provides the following technical solution: an ampoule liquid extraction and injection mechanism, comprising a syringe rotation module, wherein the syringe rotation module is connected to a dual optical axis module, and a syringe control module is mounted on the dual optical axis module;

[0004] The syringe control module includes an adaptive cylindrical clamping module, which includes a syringe holder. An electromagnet is installed inside the syringe holder. A motion hole is provided at the front end of the syringe holder, and an electromagnet is installed inside the motion hole. The electromagnet can move back and forth along the motion hole. The front end of the electromagnet is connected to a finger-clamping connecting block. Finger-clamping connecting blocks I are rotatably connected to both sides of the finger-clamping connecting block. Finger-clamping connecting blocks I are rotatably connected to finger-clamping mounting blocks. Finger-clamping mounting blocks are rotatably connected to the syringe holder, and finger-clamping devices are mounted on the finger-clamping mounting blocks. The needle holder has a front placement groove and a rear placement groove at its front and rear ends, respectively. The rear placement groove has a retaining slot. The needle holder of the adaptive cylindrical clamping module is connected to a mounting base. A control screw and a guide rod are mounted on the mounting base. A control screw nut seat is mounted on the control screw. The guide rod passes through the control screw nut seat. A retaining seat is mounted on the control screw nut seat. The control screw is connected to a synchronous pulley I. The synchronous pulley I is connected to a drive pulley via a drive belt. The drive pulley is connected to a control motor. The control motor is mounted on the mounting base.

[0005] Preferably, the syringe rotating module includes two upright plates, which are fixedly connected by a central support plate, and a rotating platform is mounted on the upright plates.

[0006] Preferably, the dual-axis module includes a syringe arm plate, with a motor mounting plate and a lead screw mounting plate respectively installed at both ends of the syringe arm plate. A lead screw is installed between the motor mounting plate and the lead screw mounting plate. One end of the lead screw is connected to a synchronous pulley, which is connected to a drive wheel via a synchronous belt. The drive wheel is connected to the output end of a drive motor, which is mounted on the motor mounting plate. A lead screw nut seat is installed on the lead screw. A syringe turntable inner adapter plate is installed at the front end of the syringe arm plate. The syringe turntable inner adapter plate is connected to a rotating platform, and the lead screw nut seat is connected to a mounting base.

[0007] Preferably, sensors are installed at both ends of the side of the syringe arm plate, and a nut movement detection plate is installed on the side of the lead screw nut seat, with the nut movement detection plate corresponding to the position of the sensor.

[0008] Preferably, optical axis guide rods are installed parallel to each other on both sides of the lead screw, the optical axis guide rods pass through the lead screw nut seat, and both ends are installed on the motor fixing plate and the lead screw fixing plate.

[0009] Preferably, the finger mounting block has two limiting holes, and a limiting block is provided inside the limiting hole. The limiting block is connected to the bottom of the finger, and the finger is mounted on the finger mounting block through a finger bearing.

[0010] The technical effects and advantages of this invention are as follows: This mechanism can fix syringes of different sizes through an adaptive cylindrical clamping module, and the syringe alignment direction can be adjusted through a syringe rotation module. Combined with a dual optical axis module, it can realize the automatic extraction and injection of ampoule liquid, which has high working efficiency and avoids errors caused by manual operation. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the present invention;

[0012] Figure 2 This is a schematic diagram of the syringe control module structure of the present invention;

[0013] Figure 3 This is a schematic diagram of the adaptive cylindrical clamping module structure of the present invention;

[0014] Figure 4 This is a rear view of the adaptive cylindrical clamping module of the present invention;

[0015] Figure 5 This is a schematic diagram of the dual optical axis module structure of the present invention.

[0016] In the diagram: 1. Syringe rotation module; 2. Syringe control module; 3. Dual optical axis module; 4. Syringe holder; 5. Electromagnetic stationary iron; 6. Motion hole; 7. Electromagnetic moving iron; 8. Finger holding connecting block; 9. Finger holding connecting block I; 10. Finger holding mounting block; 11. Finger holding; 12. Front placement slot; 13. Rear placement slot; 14. Bayonet; 15. Limiting hole; 16. Limiting block; 17. Finger holding bearing; 18. Vertical plate; 19. Central support plate; 20. Rotating platform; 21. Syringe arm plate; 22. Motor fixing plate 23. Lead screw fixing plate; 24. Lead screw; 25. Synchronous pulley; 26. Synchronous belt; 27. Drive wheel; 28. Drive motor; 29. ​​Lead screw nut seat; 30. Clamping seat; 31. Inner adapter plate of syringe turntable; 32. Sensor; 33. Nut motion detection plate; 34. Optical axis guide rod; 35. Syringe; 36. Drive pulley; 37. Mounting base; 38. Control lead screw; 39. Guide rod; 40. Control lead screw nut seat; 41. Synchronous pulley I; 42. Drive belt; 43. Control motor. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention will be further described below with reference to specific illustrations. In the description of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "connection" should be interpreted broadly. For example, they can be fixed connections, detachable connections, integral connections, mechanical connections, or electrical connections; they can be direct connections or indirect connections through an intermediate medium; and they can be internal connections between two components.

[0018] Example 1

[0019] like Figures 1-4 The ampoule liquid extraction and injection mechanism shown includes a syringe rotation module 1, which is connected to a dual optical axis module 3, and a syringe control module 2 is installed on the dual optical axis module 3.

[0020] The syringe control module 2 includes an adaptive cylindrical clamping module, which includes a syringe holder 4. An electromagnet 5 is installed inside the syringe holder 4. A movement hole 6 is provided at the front end of the syringe holder 4, and an electromagnet 7 is installed inside the movement hole 6. The electromagnet 7 can move back and forth along the movement hole 6. A finger-holding connecting block 8 is connected to the front end of the electromagnet 7. Finger-holding connecting blocks I9 are rotatably connected to both sides of the finger-holding connecting block 8. Finger-holding connecting blocks I9 are rotatably connected to finger-holding mounting blocks 10. Finger-holding mounting blocks 10 are rotatably connected to the syringe holder 4. Finger-holding 11 is installed on the finger-holding mounting blocks 10. The syringe holder 4 has [missing information - likely related to a specific design or feature]. The device has a front placement slot 12 and a rear placement slot 13. The rear placement slot 13 has a bayonet 14. The needle holder 4 of the adaptive cylindrical clamping module is connected to the mounting base 37. The mounting base 37 is equipped with a control screw 38 and a guide rod 39. The control screw 38 is equipped with a control screw nut seat 40. The guide rod 39 passes through the control screw nut seat 40. The control screw nut seat 40 is equipped with a retainer 30. The control screw 38 is connected to a synchronous pulley I 41. The synchronous pulley I 41 is connected to a drive pulley 36 via a drive belt 42. The drive pulley 36 is connected to a control motor 43. The control motor 43 is mounted on the mounting base 37.

[0021] Example 2

[0022] like Figures 1-5 The ampoule liquid extraction and injection mechanism shown includes a syringe rotation module 1, which is connected to a dual optical axis module 3, and a syringe control module 2 is installed on the dual optical axis module 3.

[0023] The syringe control module 2 includes an adaptive cylindrical clamping module, which includes a syringe holder 4. An electromagnet 5 is installed inside the syringe holder 4. A movement hole 6 is provided at the front end of the syringe holder 4, and an electromagnet 7 is installed inside the movement hole 6. The electromagnet 7 can move back and forth along the movement hole 6. The front end of the electromagnet 7 is connected to a finger-holding connecting block 8. Finger-holding connecting blocks I9 are rotatably connected to both sides of the finger-holding connecting block 8. The finger-holding connecting blocks I9 are rotatably connected to a finger-holding mounting block 10. The finger-holding mounting block 10 is rotatably connected to the syringe holder 4. Two limiting holes 15 are provided on the finger-holding mounting block 10. Limiting blocks 16 are provided inside the limiting holes 15 and are connected to the bottom of the finger-holding block 11. The finger-holding block 11 is connected to the bottom of the finger-holding block 11. The bearing 17 is mounted on the finger mounting block 10. The front and rear ends of the needle holder 4 are respectively provided with a front placement groove 12 and a rear placement groove 13. The rear placement groove 13 has a bayonet 14. The needle holder 4 of the adaptive cylindrical clamping module is connected to the mounting base 37. The mounting base 37 is equipped with a control screw 38 and a guide rod 39. The control screw 38 is equipped with a control screw nut seat 40. The guide rod 39 passes through the control screw nut seat 40. The control screw nut seat 40 is equipped with a retainer 30. The control screw 38 is connected to a synchronous pulley I 41. The synchronous pulley I 41 is connected to a drive pulley 36 through a drive belt 42. The drive pulley 36 is connected to a control motor 43. The control motor 43 is mounted on the mounting base 37.

[0024] The syringe rotating module 1 includes two upright plates 18, which are fixedly connected by a central support plate 19. A rotating platform 20 is installed on the upright plate 18.

[0025] The dual optical axis module 3 includes a syringe arm plate 21. A motor mounting plate 22 and a lead screw mounting plate 23 are respectively mounted at both ends of the syringe arm plate 21. A lead screw 24 and an optical axis guide rod 34 are installed between the motor mounting plate 22 and the lead screw mounting plate 23. Two optical axis guide rods 34 are provided, distributed parallel to each other on both sides of the lead screw 24. One end of the lead screw 24 is connected to a synchronous pulley 25. The synchronous pulley 25 is connected to a drive wheel 27 via a synchronous belt 26. The drive wheel 27 is connected to the output end of a drive motor 28. The drive motor 28 is mounted on the motor mounting plate 22, and the lead screw 24 is mounted on... A lead screw nut seat 29 is provided, through which an optical axis guide rod 34 passes. The lead screw nut seat 29 is connected to a mounting base 37. A syringe turntable inner adapter plate 31 is installed at the front end of the syringe arm plate 21. The syringe turntable inner adapter plate 31 is connected to a rotating platform 20. Sensors 32 are installed at both ends of the side of the syringe arm plate 21. A nut movement detection plate 33 is installed on the side of the lead screw nut seat 29. The nut movement detection plate 33 corresponds to the position of the sensor 32. The initial and final positions of the lead screw nut seat 29 can be detected through the cooperation of the nut movement detection plate 33 and the sensor 32.

[0026] The process flow and working principle of this invention are as follows: When using this device, the rotating platform 20 is connected to a motor for driving. The syringe 35 is placed in the front placement slot 12 and the rear placement slot 13. The tail of the syringe 35 is locked inside the bayonet 14. The tail of the piston rod of the syringe 35 is installed on the bayonet 30. The electromagnetic stationary iron 5 is energized, and the electromagnetic stationary iron 5 generates magnetism to attract the electromagnetic moving iron 7. The electromagnetic moving iron 7 moves along the motion hole 6, driving the finger-holding connecting block 8 and the finger-holding connecting block I9 to move. The finger-holding connecting block I9 drives the finger-holding 11 to move. Then, fine adjustment is made by rotating the finger-holding 11 and the finger-holding mounting block 10, so that the finger-holding 11 clamps the head of the syringe 35. Start the drive motor 28, which drives the lead screw 24 to move. The lead screw 24 moves the lead screw nut seat 29 backward, thereby moving the syringe 35 backward. The motor drives the rotating platform 20 to rotate, adjusting the direction of the syringe 35 so that it faces the ampoule below. Control the drive motor 28 to move in the opposite direction, causing the syringe 35 to move downward, and the needle to be inserted into the ampoule. When performing liquid extraction, control motor 43 drives the control lead screw 38 to move, controlling the lead screw 38 to move. 8 drives the control screw nut seat 40 to move, thereby causing the piston rod of the syringe 35 to move outward, thus extracting the medicine; when injecting the medicine, the control drive motor 28 moves to lift the syringe 35 upward, so that the syringe 35 is pulled away from the ampoule. The motor drives the rotating platform 20 to rotate, adjust the direction of the syringe 35 to match the solvent, reverse the control motor 43, control the screw nut seat 40 to move forward, thereby causing the piston rod of the syringe 35 to move inward to inject the medicine into the solvent.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An ampoule liquid extraction and injection mechanism, comprising a syringe rotating module, characterized in that: The syringe rotation module is connected to the dual optical axis module, and the syringe control module is installed on the dual optical axis module; The syringe control module includes an adaptive cylindrical clamping module, which includes a syringe holder. An electromagnet is installed inside the syringe holder. A motion hole is provided at the front end of the syringe holder, and an electromagnet is installed inside the motion hole. The electromagnet can move back and forth along the motion hole. A finger-clamping connecting block is connected to the front end of the electromagnet. Finger-clamping connecting blocks I are rotatably connected to both sides of the finger-clamping connecting block. Finger-clamping connecting blocks I are rotatably connected to the finger-clamping mounting block. The finger-clamping mounting block is rotatably connected to the syringe holder, and a finger-clamping device is mounted on the finger-clamping mounting block. A front placement groove and a rear placement groove are respectively provided at the front and rear ends of the syringe holder. A locking slot is provided on the rear placement groove. The syringe holder of the adaptive cylindrical clamping module is connected to a mounting base. A control screw and a guide rod are mounted on the mounting base. A control screw screw is mounted on the control screw. The female base, the guide rod passes through the control screw nut seat, the control screw nut seat is equipped with a retainer, the control screw is connected to synchronous pulley I, the synchronous pulley I is connected to the drive pulley via a drive belt, the drive pulley is connected to the control motor, the control motor is mounted on the mounting base, the dual optical axis module includes a syringe arm plate, the syringe arm plate is respectively equipped with a motor fixing plate and a screw fixing plate at both ends, a screw is installed between the motor fixing plate and the screw fixing plate, one end of the screw is connected to the synchronous pulley, the synchronous pulley is connected to the drive wheel via a synchronous belt, the drive wheel is connected to the output end of the drive motor, the drive motor is mounted on the motor fixing plate, a screw nut seat is installed on the screw, a syringe turntable inner adapter plate is installed at the front end of the syringe arm plate, the syringe turntable inner adapter plate is connected to the rotating platform, and the screw nut seat is connected to the mounting base; The syringe rotating module includes two upright plates, which are fixedly connected by a central support plate, and a rotating platform is mounted on the upright plates.

2. The ampoule liquid extraction and injection mechanism according to claim 1, characterized in that: Sensors are installed at both ends of the side of the syringe arm plate, and a nut movement detection plate is installed on the side of the lead screw nut seat. The position of the nut movement detection plate corresponds to that of the sensor.

3. The ampoule liquid extraction and injection mechanism according to claim 1, characterized in that: Optical axis guide rods are installed parallel to each other on both sides of the lead screw. The optical axis guide rods pass through the lead screw nut seat and are installed at both ends on the motor fixing plate and the lead screw fixing plate.

4. The ampoule liquid extraction and injection mechanism according to claim 1, characterized in that: The finger mounting block has two limiting holes, and a limiting block is provided inside the limiting hole. The limiting block is connected to the bottom of the finger, and the finger is mounted on the finger mounting block through a finger bearing.

Citation Information

Patent Citations

  • Ampoule liquid medicine extracting and injecting mechanism

    CN219208107U