A hollow needle liquid extraction device
Patent Information
- Application Number
- CN202521103654.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-05-30
AI Technical Summary
传统的手工操作方式已经无法满足现代医疗环境对高效、准确、安全的需求
[0017]This utility model discloses an empty needle liquid aspiration device, including: a base, a stepper motor, a rotating column, an electric push rod, an electric push rod one, an electric push rod two, a lifting ring platform, and a controller; the stopper of the medicine bottle is clamped by the clamp two in conjunction with the fixing ring to achieve inverted clamping and fixing of the medicine bottle; the empty needle is clamped and fixed by the electric push rod one and the fixing plate in conjunction with the placement groove, and then the piston rod of the empty needle is clamped by the clamp one;
Smart Images
Figure CN224853624U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical auxiliary device technology, specifically to an empty needle aspiration device. Background Technology
[0002] In current medical practice, the extraction and preparation of injectable solutions is a fundamental and crucial task. Traditional methods of extracting injectable solutions mainly rely on manual operation by medical staff, such as manually drawing the liquid from the vial using a syringe. However, this manual method has several drawbacks, especially in high-intensity medical environments, where its limitations and shortcomings become increasingly apparent.
[0003] First, the process of manually drawing injection fluids is time-consuming and prone to errors due to operator fatigue or lack of concentration. Especially when drawing large amounts of fluids or performing multiple draws, the hand soreness and fatigue of medical staff will increase significantly, thus affecting the accuracy and efficiency of the drawing.
[0004] Secondly, manual extraction of injection solutions makes it difficult to guarantee the accuracy of the extraction volume each time. Different sizes of vials and injection solutions require different extraction forces and times, and medical staff find it difficult to accurately grasp these variables in a short period of time, leading to errors in the extraction volume. This error not only affects the efficacy of the medication but may also have adverse effects on the patient's treatment.
[0005] Furthermore, with the continuous development of medical technology and the increasing demand for medical services, the requirements for automation and intelligence in injection fluid extraction are also becoming increasingly stringent. Traditional manual operation methods can no longer meet the demands of modern medical environments for efficiency, accuracy, and safety. Therefore, developing a device capable of automatically completing the injection fluid extraction process is of paramount importance. Utility Model Content
[0006] To address the technical problems existing in the prior art, this utility model is achieved through the following technical solution:
[0007] An empty needle aspiration device includes: a base, a stepper motor, a rotating column, an electric actuator, an electric actuator one, an electric actuator two, a lifting ring platform, and a controller;
[0008] One end of the base is integrally provided with an L-shaped support rod, and the other end is rotatably installed with a rotating column. An installation slot is opened in the middle of the base to install a stepper motor. A controller is detachably installed on the L-shaped support rod, and a fixing ring is provided at the front end of the L-shaped support rod to connect to the medicine bottle.
[0009] The lower end of the rotating column is rotatably connected to the base, and a square groove is opened in the middle of the rotating column; a gear is provided at the lower end of the outer wall of the rotating column, and a sliding limit groove is arranged in an array on the outer wall of the rotating column to slide and connect the lifting column; a gear plate is provided on the output shaft of the stepper motor to connect the gear; and a signal recognition component is integrally provided on the upper end surface of the gear plate.
[0010] The electric actuator is detachably installed at the lower middle of the square groove, and a crossbar is integrally set on the output shaft of the electric actuator; the two ends of the crossbar are fixedly connected to the inner wall of the lifting ring platform, and the inner wall of the lifting rod is connected to the limiting groove by an array of protrusions; the outer wall of the lifting ring platform is provided with an array of fixing grooves to place the empty needle; an electric actuator is set at the upper end of the lifting ring platform corresponding to the position of the placement groove; a fixing plate is set on the output shaft of the electric actuator; the fixing plate is controlled by the electric actuator to fix or loosen the empty needle in the placement groove;
[0011] An electric push rod is installed at the lower end of the lifting ring platform corresponding to the placement slot; a clamp is installed on the output shaft of the electric push rod; the piston rod of the empty needle is held by the clamp, and the operation of the electric push rod controls the clamp to drive the piston rod to move, thereby realizing the extraction of the empty needle liquid;
[0012] Furthermore, the fixing ring has a circular hole inside for movably connecting the medicine bottle, and the fixing ring is coaxially arranged with the toothed disc; a through groove is formed in the middle of the fixing ring, and a clamp is integrally set in the through groove; the clamp is used to clamp and fix the position of the bottle stopper of the medicine bottle;
[0013] Furthermore, the electric actuator is arranged horizontally, and an electronic nameplate is embedded in the fixing plate on the output shaft of the electric actuator; the outer wall of the fixing plate is arrayed with switches; the electric actuator is started and stopped by the switches, and the fixing plate is moved closer to or away from the corresponding mounting slot.
[0014] Furthermore, the second electric actuator is vertically oriented, and the piston rod is driven by the clamp through the operation of the second electric actuator to realize the extraction of empty needle liquid;
[0015] Furthermore, the controller is connected to the electric linear actuator, electric linear actuator II, stepper motor, and signal recognition component circuit. The controller inputs the motion stroke parameters of electric linear actuator II and electric linear actuator II, and controls the intermittent motion of the stepper motor and receives feedback from the signal recognition component to control the motion of electric linear actuator II and electric linear actuator II.
[0016] The beneficial effects of this utility model are:
[0017] This utility model discloses an empty needle liquid aspiration device, including: a base, a stepper motor, a rotating column, an electric push rod, an electric push rod one, an electric push rod two, a lifting ring platform, and a controller; the stopper of the medicine bottle is clamped by the clamp two in conjunction with the fixing ring to achieve inverted clamping and fixing of the medicine bottle; the empty needle is clamped and fixed by the electric push rod one and the fixing plate in conjunction with the placement groove, and then the piston rod of the empty needle is clamped by the clamp one;
[0018] Then, medical staff input the motion parameters of the electric actuator and electric actuator two into the controller according to the different models of syringes and the dosage of medicine to be drawn by the syringes. The controller then controls the stepper motor to work intermittently, controls the rotating column to rotate intermittently, and controls several syringes to move alternately to the top of the stepper motor. When the syringe moves to the top of the stepper motor, the signal recognition component recognizes the electronic nameplate, controls the electric actuator to extend and drive the rotating platform to rise, controls the syringe coaxial with the stepper motor and reagent bottle to insert into the medicine bottle, and then controls electric actuator two to work to draw the liquid inside the medicine bottle.
[0019] In summary, this utility model achieves automated and batch extraction of medicine bottles through the cooperation of stepper motor, rotating column, electric push rod, electric push rod one, electric push rod two, lifting ring platform, and controller, avoiding manual extraction by medical staff, reducing their workload, and ensuring accurate extraction of syringe liquid. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.
[0021] Figure 1 This is a schematic diagram of the overall structure of an empty syringe liquid aspiration device;
[0022] Figure 2 This is a cross-sectional structural diagram of an empty syringe liquid aspiration device;
[0023] Figure 3 The attached diagram shows the connection structure of the electric actuator and rotating ring of an empty syringe liquid aspiration device. The components represented by the numbers are as follows:
[0024] 1-Base, 101-L-shaped support rod, 102-Fixing ring, 1021-Through groove, 103-Clamp two, 2-Medicine bottle, 3-Controller, 4-Stepper motor, 401-Gear plate, 4011-Signal recognition component, 5-Rotating column, 501-Square groove, 502-Limiting groove, 503-Gear, 6-Electric actuator, 6001-Crossbar, 601-Rotating ring platform, 602-Placement groove, 603-Electric actuator one, 6031-Fixing plate, 60311-Switch, 604-Electric actuator two, 6041-Clamp one, 7-Empty needle, 701-Piston rod. Detailed Implementation
[0025] This utility model discloses an empty needle liquid aspiration device, including: a base 1, a stepper motor 4, a rotating column 5, an electric push rod 6, an electric push rod one 603, an electric push rod two 604, a lifting ring platform, and a controller 3;
[0026] The base 1 has an L-shaped support rod 101 integrally installed at one end, and a rotating column 5 is rotatably installed at the other end. The base 1 has an installation slot in the middle to install a stepper motor 4. A controller 3 is detachably installed on the L-shaped support rod 101. A fixing ring 102 is provided at the front end of the L-shaped support rod 101 to connect to the medicine bottle 2.
[0027] The lower end of the rotating column 5 is rotatably connected to the base 1, and a square groove 501 is opened in the middle of the rotating column 5; a gear 503 is provided at the lower end of the outer wall of the rotating column 5, and a sliding limit groove 502 is arranged in an array on the outer wall of the rotating column 5 to slide and connect the lifting column; a gear disk 401 is provided on the output shaft of the stepper motor 4 to connect the gear 503; and a signal recognition component 4011 is integrally provided on the upper surface of the gear disk 401.
[0028] The electric actuator 6 is detachably installed at the lower middle part of the square groove 501. A crossbar 6001 is integrally set on the output shaft of the electric actuator 6. The two ends of the crossbar 6001 are fixedly connected to the inner wall of the lifting ring platform, and the inner wall of the lifting rod is connected to the limiting groove 502 by an array of protrusions. The outer wall of the lifting ring platform is provided with an array of fixing grooves to place the empty needle 7. An electric actuator 603 is set at the upper end of the lifting ring platform corresponding to the position of the placement groove 602. A fixing plate 6031 is set on the output shaft of the electric actuator 603. The fixing plate 6031 is moved by controlling the electric actuator 603 to fix or loosen the empty needle 7 in the placement groove 602.
[0029] An electric push rod 6 is installed at the lower end of the lifting ring platform corresponding to the placement slot 602; a clamp is installed on the output shaft of the electric push rod 604; the piston rod 701 of the empty needle 7 is held by the clamp, and the electric push rod 6 controls the clamp to drive the piston rod 701 to move, thereby realizing the extraction of medicine from the empty needle 7.
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model; obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0031] Example 1
[0032] like Figure 1-3 The diagram shown is a schematic diagram of the structure of this utility model. In this utility model, an empty needle 7 liquid aspiration device is disclosed, including: a base 1, a stepper motor 4, a rotating column 5, an electric push rod 6, an electric push rod one 603, an electric push rod two 604, a lifting ring platform, and a controller 3.
[0033] The base 1 has an L-shaped support rod 101 integrally installed at one end, and a rotating column 5 is rotatably installed at the other end. The base 1 has an installation slot in the middle to install a stepper motor 4. A controller 3 is detachably installed on the L-shaped support rod 101. A fixing ring 102 is provided at the front end of the L-shaped support rod 101 to connect to the medicine bottle 2.
[0034] The lower end of the rotating column 5 is rotatably connected to the base 1, and a square groove 501 is opened in the middle of the rotating column 5; a gear 503 is provided at the lower end of the outer wall of the rotating column 5, and a sliding limit groove 502 is arranged in an array on the outer wall of the rotating column 5 to slide and connect the lifting column; a gear disk 401 is provided on the output shaft of the stepper motor 4 to connect the gear 503; and a signal recognition component 4011 is integrally provided on the upper surface of the gear disk 401.
[0035] The electric push rod 6 is detachably installed at the lower middle part of the square groove 501. A crossbar 6001 is integrally set on the output shaft of the electric push rod 6. The two ends of the crossbar 6001 are fixedly connected to the inner wall of the lifting ring platform, and the array of protrusions on the inner wall of the lifting rod connects to the limiting groove 502. The outer wall of the lifting ring platform is arrayed with fixing grooves to place the empty needle 7. An electric push rod 603 is set at the upper end of the lifting ring platform corresponding to the position of the placement groove 602. A fixing plate 6031 is set on the output shaft of the electric push rod 603. The movement of the fixing plate 6031 is controlled by the electric push rod 603 to fix or loosen the empty needle 7 in the placement groove 602, ensuring the batch clamping of the empty needle 7 and preparing for the batch extraction of medicine.
[0036] An electric push rod 6 is installed at the lower end of the lifting ring platform corresponding to the placement slot 602; a clamp is installed on the output shaft of the electric push rod 604; the piston rod 701 of the empty needle 7 is held by the clamp, and the electric push rod 6 controls the clamp to drive the piston rod 701 to move, so as to realize the extraction of medicine from the empty needle 7.
[0037] In this embodiment, the fixing ring 102 has a circular hole inside to movably connect the medicine bottle 2, and the fixing ring 102 is coaxially arranged with the toothed disc 401; a through groove 1021 is opened in the middle of the fixing ring 102, and a clip 6041 is integrally arranged in the through groove 1021; the bottle stopper position of the medicine bottle 2 is clamped and fixed by the clip 6041.
[0038] In this embodiment, the electric actuator 603 is arranged horizontally, and an electronic nameplate is embedded in the fixing plate 6031 on the output shaft of the electric actuator 603; the outer wall of the fixing plate 6031 is arrayed with switches 60311; the electric actuator 603 is started and stopped by the switches 60311, and the fixing plate 6031 is moved closer to or away from the corresponding mounting slot.
[0039] In this embodiment, the second electric actuator 604 is vertically arranged. The working control clamp of the second electric actuator 604 drives the piston rod 701 to move, thereby realizing the extraction of medicine from the empty needle 7.
[0040] In this embodiment, the controller 3 is circuitically connected to the electric actuator 6, the second electric actuator 604, the stepper motor 4, and the signal recognition component 4011. The controller 3 inputs the motion stroke parameters of the second electric actuator 604 and the electric actuator 6, and controls the intermittent motion of the stepper motor 4 and receives feedback from the signal recognition component 4011 to control the motion of the electric actuator 6 and the second electric actuator 604.
[0041] In this embodiment, the controller 3 controls the stepper motor 4 to work intermittently; the stepper motor 4 operates at a fixed number of revolutions, that is, the stepper motor 4 operates at Nrad / time, controlling the rotating column 5 to rotate at a fixed angle; thereby realizing that several empty needles 7 alternately move to the coaxial position with the stepper motor 4 and the fixed ring 102;
[0042] In this embodiment, the clip 6041 and clip 103103 are conventional existing technologies, including but not limited to: spring clips, alligator clips, electromagnetic clips, syringe clips, etc.
[0043] In this embodiment, the control method of this utility model includes the following steps:
[0044] S1: Medical staff clamp and fix several empty needles 7 inside the placement slot 602 using the fixing plate 6031 and electric push rod 603, and fix the reagent bottle using the clamp 103103 and fixing ring 102.
[0045] S2: Based on the model and specifications of the empty needle 7, input the working stroke parameters of the electric actuator 6 and the electric actuator 604 into the controller 3;
[0046] S3: Controller 3 controls stepper motor 4 to work intermittently, drives rotating column 5 to rotate lifting ring platform so that empty needle 7 to be aspirated moves alternately to the same axis as stepper motor 4 and fixed ring 102. Controller 3 also controls electric push rod 6 to extend, drives rotating ring platform 601 to rise, and controls the needle tip of empty needle 7 to pierce into medicine bottle 2.
[0047] S4: The signal recognition component 4011 on the gear plate 401 recognizes the electronic nameplate in the vertical direction and sends a signal to the controller 3. Then the controller 3 controls the electric push rod 604 at the corresponding position of the electronic nameplate to work, driving the piston rod 701 to move downward and draw liquid medicine into the empty needle 7.
[0048] S5: After the medicine is extracted, the controller 3 controls the electric push rod 6 to retract, driving the lifting ring platform to descend, so that the empty needle 7 after the medicine is extracted is separated from the medicine bottle 2.
[0049] S6: Repeat S3, S4, and S5 to automate the batch extraction of empty syringes 7, and manually remove the empty syringes 7 after the liquid extraction is completed. Then repeat S1 to replenish new empty syringes 7 and medicine bottles 2.
[0050] In summary, this utility model discloses a syringe 7 liquid aspiration device. Through the integration of a microcontroller 3, it achieves precise control of the entire liquid aspiration process, greatly reducing manual intervention and improving work efficiency. Medical personnel only need to make simple settings, and the device can automatically complete the extraction of the injection solution, reducing operational difficulty and labor intensity.
[0051] In summary, the liquid extraction device for empty syringe 7 disclosed in this utility model achieves automated and batch extraction of medicine bottle 2 through the cooperation of stepper motor 4, rotating column 5, electric push rod 6, electric push rod one 603, electric push rod two 604, lifting ring platform, and controller 3, avoiding manual extraction by medical staff, reducing the workload of medical staff, and ensuring accurate extraction of liquid from empty syringe 7.
[0052] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific implementation methods described.
Claims
1. A syringe aspiration device, characterized in that, include: Base, stepper motor, rotating column, electric actuator, electric actuator one, electric actuator two, lifting ring platform, controller; One end of the base is integrally provided with an L-shaped support rod, and the other end is rotatably installed with a rotating column. An installation slot is opened in the middle of the base to install a stepper motor. A controller is detachably installed on the L-shaped support rod, and a fixing ring is provided at the front end of the L-shaped support rod to connect to the medicine bottle. The lower end of the rotating column is rotatably connected to the base, and a square groove is opened in the middle of the rotating column; a gear is provided at the lower end of the outer wall of the rotating column, and a sliding limit groove is arranged in an array on the outer wall of the rotating column to slide and connect the lifting column; a gear plate is provided on the output shaft of the stepper motor to connect the gear; and a signal recognition component is integrally provided on the upper end surface of the gear plate. The electric actuator is detachably installed at the lower middle of the square groove, and a crossbar is integrally set on the output shaft of the electric actuator; the two ends of the crossbar are fixedly connected to the inner wall of the lifting ring platform, and the inner wall of the lifting rod is connected to the limiting groove by an array of protrusions; the outer wall of the lifting ring platform is provided with an array of fixing grooves to place the empty needle; an electric actuator is set at the upper end of the lifting ring platform corresponding to the position of the placement groove; a fixing plate is set on the output shaft of the electric actuator; the fixing plate is controlled by the electric actuator to fix or loosen the empty needle in the placement groove; An electric actuator is installed at the lower end of the lifting ring platform corresponding to the placement slot; a clamp is installed on the output shaft of the electric actuator; the piston rod of the empty needle is held by the clamp, and the operation of the electric actuator controls the clamp to drive the piston rod to move, thereby realizing the extraction of the empty needle liquid.
2. The syringe aspiration device according to claim 1, characterized in that, The fixed ring has a circular hole inside for movably connecting the medicine bottle, and the fixed ring is coaxially arranged with the toothed disc; a through groove is opened in the middle of the fixed ring, and a clamp is integrally set in the through groove; the clamp is used to clamp and fix the position of the bottle stopper of the medicine bottle.
3. The syringe aspiration device according to claim 1, characterized in that, The electric actuator is horizontally positioned, and an electronic nameplate is embedded inside the fixing plate on the output shaft of the electric actuator. Switches are arrayed on the outer wall of the fixing plate. The switches control the start and stop of the electric actuator and control the fixing plate to move closer to or away from the corresponding mounting slot.
4. The syringe aspiration device according to claim 1, characterized in that, The second electric actuator is vertically arranged. The working control clamp of the second electric actuator drives the piston rod to move, thereby realizing the extraction of empty needle liquid.
5. The syringe aspiration device according to claim 1, characterized in that, The controller is connected to the electric actuator, electric actuator II, stepper motor and signal recognition component circuit. The controller inputs the motion stroke parameters of electric actuator II and electric actuator, and controls the intermittent movement of stepper motor and receives feedback from signal recognition component to control the movement of electric actuator and electric actuator II.