Intelligent electromagnetic vacuum bone cement mixer and mixing method
The design of the intelligent electromagnetic vacuum bone cement mixer solves the problems of insufficient sealing and cumbersome operation of existing devices, achieving uniform mixing of bone cement and reducing the risk of cross-contamination. It adapts to different viscosity requirements and provides an efficient mixing solution.
Patent Information
- Application Number
- CN202611486095.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-09-23
- Publication Date
- 2026-11-03
AI Technical Summary
Existing bone cement mixing equipment suffers from problems such as insufficient sealing, cumbersome operation, high risk of cross-infection, insufficient mixing force, and uneven mixing.
The intelligent electromagnetic vacuum bone cement mixer includes a controller, electromagnetic driver, 90° negative pressure exhaust port, mixing components, outer shell, sealing ring, conduit, temperature sensor, and power supply. Through non-contact drive and negative pressure exhaust port design, it achieves good sealing, simple operation, uniform mixing, and reduced cross-contamination.
It achieves high sealing performance, uniform mixing, and reduced risk of cross-contamination in bone cement mixing, while saving time and effort in operation and adapting to the needs of bone cement with different viscosities.
Smart Images
Figure CN123024467A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of agitator technology, and more specifically, to an intelligent electromagnetic vacuum bone cement agitator and a mixing method. Background Technology
[0002] Currently, the bone cement mixing devices used in clinical practice generally include the following types:
[0003] 1) Conventional Hand Mixing: Hand mixing in an open bowl is most prone to introducing air, resulting in higher porosity. Open bowl mixing also increases the chances of operating room personnel being exposed to MMA monomer vapors, which is harmful to medical staff. Nottrott's review summarizes that traditional open bowl mixing can lead to higher porosity due to air entrapment or uneven mixing, while modern bone cement technology tends to use vacuum mixing and collection in a cement gun or closed system, thereby reducing porosity and improving mechanical strength; 2) Hand-cranked Bone Cement Mixers: Hand-cranked mixers are essentially closed manual mixing systems, some of which can be connected to a vacuum, while others are simply closed non-vacuum mixing systems. Compared to open hand mixing, they generally have three advantages: firstly, the mixing process is more closed, reducing contamination and MMA exposure; secondly, the mixing trajectory is relatively standardized, with smaller batch-to-batch variations; and thirdly, if combined with a vacuum, it can significantly reduce air bubbles and porosity.
[0004] Existing bone cement mixing devices generally have the following defects: 1) Insufficient sealing and cumbersome operation, increasing the risk of cross-infection during surgery; 2) Single rotor mixing method, insufficient mixing force and uneven mixing; 3) Hand-cranked drive method, which is laborious and difficult to control the speed and mixing effect.
[0005] Therefore, it is necessary to solve the above-mentioned technical problems. Summary of the Invention
[0006] In view of this, the purpose of this invention is to provide an intelligent electromagnetic vacuum bone cement mixer and mixing method, which has good sealing performance, simple operation, reduces the risk of cross-infection during surgery, makes bone cement mixing more uniform, and can be intelligently controlled to save time and effort.
[0007] To achieve the above objectives, this invention provides an intelligent electromagnetic vacuum bone cement mixer, comprising a controller, an electromagnetic actuator, a 90° negative pressure exhaust port, a mixing component, a housing, a sealing ring, a conduit, a temperature sensor, and a power supply. The housing includes an upper cover and a lower cover, which are sealed together by the sealing ring. The controller, electromagnetic actuator, and power supply are all installed within the upper cover, and the 90° negative pressure exhaust port is located on one side of the upper cover. A mixing bowl is disposed within the lower cover. The mixing component includes a mounting end and a mixing end, with the mounting end mounted on the rotating shaft of the electromagnetic actuator. The stirring end is shaped like a hemispherical crescent blade adapted to the stirring bowl, and the hemispherical crescent blade is used to stir the bone cement placed in the stirring bowl; one end of the conduit is installed on the 90° negative pressure exhaust port, and the other end of the conduit is used to connect to the negative pressure generator of the operating room; the upper cover is provided with a switch, a temperature display, a temperature sensor, a high-level button, a medium-level button, and a low-level button. The switch is electrically connected to the power supply, and the temperature display, the temperature sensor, the high-level button, the medium-level button, the low-level button, and the electromagnetic driver are all communicatively connected to the controller.
[0008] Optionally, it also includes a gear rotating component, wherein the mounting end is mounted on the shaft of the electromagnetic driver via the gear rotating component.
[0009] Optionally, the gear rotating component is a single gear, a double gear, or multiple gears.
[0010] Optionally, a scraper may also be included for scraping away any remaining bone cement within the lower cover.
[0011] Optionally, the upper cover is provided with a Leroy triangle-shaped operation panel, on which the switch, the temperature display, the high-level button, the medium-level button, and the low-level button are all located.
[0012] Optionally, the operation panel is also provided with a fine-tuning button and a speed display, and the fine-tuning button is communicatively connected to the controller.
[0013] Based on the same inventive concept, the present invention also provides a stirring method for an intelligent electromagnetic vacuum bone cement mixer, wherein the intelligent electromagnetic vacuum bone cement mixer described in any of the foregoing claims is used to stir bone cement, characterized by comprising the following steps:
[0014] Step 1: Install the mounting end of the mixing component on the rotating shaft of the electromagnetic actuator, place the hemispherical crescent blade inside the lower cover, place the bone cement inside the mixing bowl, and seal the upper cover on the lower cover using the sealing ring.
[0015] Step 2: Install one end of the catheter on the 90° negative pressure exhaust port, and connect the other end of the catheter to the negative pressure alternator in the operating room;
[0016] Step 3: Turn on the switch. Select the appropriate high, medium, or low setting button according to the viscosity requirements of the bone cement. The temperature displayed on the temperature monitor helps clinicians control the operation time.
[0017] Step 4: After the set time is reached, stop the machine, open the top cover, and take out the bone cement for use.
[0018] This invention provides an intelligent electromagnetic vacuum bone cement mixer and mixing method. The intelligent electromagnetic vacuum bone cement mixer includes a controller, an electromagnetic driver, a 90° negative pressure exhaust port, a mixing element, a shell, a sealing ring, a conduit, a temperature sensor, and a power supply. First, the mounting end of the mixing element is installed on the rotating shaft of the electromagnetic driver. The hemispherical crescent blade is placed inside the hemispherical lower cover, and the bone cement is placed in the mixing bowl. The upper cover is then sealed and installed on the hemispherical lower cover using the sealing ring. One end of the conduit is installed on the 90° negative pressure exhaust port, and the other end of the conduit is connected to the negative pressure generator in the operating room. Then, the switch is turned on, and the corresponding high, medium, or low speed buttons are selected according to the viscosity requirements of the bone cement. The temperature displayed on the temperature display helps clinicians monitor the operation time. Finally, the machine is stopped after the set time is reached, the upper cover is opened, and the bone cement is removed for use. The intelligent electromagnetic vacuum bone cement mixer and mixing method provided by this invention allow for precise speed adjustment by activating high, medium, and low speed buttons to adapt to the needs of bone cements with different viscosities. Its non-contact drive avoids mechanical contamination and has low thermal effect. The 90° negative pressure exhaust port prevents the dry bone cement powder from being sucked out and also discharges volatile and irritating gases generated during the mixing process, preventing leakage into the ambient air and causing harm to medical staff and patients. The hemispherical crescent-shaped fan blades fit the mixing bowl perfectly, providing 360° uniform mixing. While taking into account the vertical and horizontal directions, it can meet the needs of various bone cements in clinical practice. It has good sealing performance, is easy to operate, reduces the risk of cross-infection during surgery, makes the bone cement mixing more uniform, and is intelligently controlled, saving time and effort. Attached Figure Description
[0019] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which will help to understand the purpose and advantages of the present invention, wherein:
[0020] Figure 1 This is a schematic diagram of the structure of an intelligent electromagnetic vacuum bone cement mixer according to an embodiment of the present invention;
[0021] Figure 2 This is a top view of an intelligent electromagnetic vacuum bone cement mixer according to an embodiment of the present invention;
[0022] Figure 3 This is a flowchart illustrating the mixing method of an intelligent electromagnetic vacuum bone cement mixer according to an embodiment of the present invention.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1: 90° negative pressure exhaust port; 2: Stirring component; 3: Top cover; 4: Bottom cover; 5: Mounting end; 6: Stirring end; 7: Switch; 8: Temperature display; 9: High speed button; 10: Medium speed button; 11: Low speed button; 12: Fine adjustment button; 13: Speed display; 14: Control panel; 15: Power supply; 16: Electromagnetic actuator; 17: Sealing ring; 18: Gear rotating component; 19: Stirring bowl. Detailed Implementation
[0025] The present invention will now be described in detail with reference to embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0026] like Figure 1 and Figure 2 As shown, the intelligent electromagnetic vacuum bone cement mixer provided by the present invention includes a controller, an electromagnetic driver 16, a 90° negative pressure exhaust port 1, a mixing component 2, a shell, a sealing ring 17, a conduit, a temperature sensor, and a power supply 15. The shell includes an upper cover 3 and a lower cover 4, which are sealed together by the sealing ring 17. The controller, electromagnetic driver 16, and power supply 15 are all installed inside the upper cover 3, and the 90° negative pressure exhaust port 1 is located on one side of the upper cover 3. A mixing bowl 19 is provided inside the lower cover 4.
[0027] The mixing component 2 includes a mounting end 5 and a mixing end 6. The mounting end 5 is mounted on the rotating shaft of the electromagnetic driver 16. The mixing end 6 is shaped like a hemispherical crescent blade that matches the mixing bowl 19. The hemispherical crescent blade is used to mix the bone cement placed in the mixing bowl 19. One end of the conduit is mounted on the 90° negative pressure exhaust port 1, and the other end of the conduit is used to connect to the negative pressure alternator of the operating room. The upper cover 3 is equipped with a switch 7, a temperature display 8, a temperature sensor, a high-level button 9, a medium-level button 10, and a low-level button 11. The switch 7 is electrically connected to the power supply 15. The temperature display 8, the temperature sensor, the high-level button 9, the medium-level button 10, the low-level button 11, and the electromagnetic driver 16 are all communicatively connected to the controller.
[0028] It should be noted that the electromagnetic actuator 16 has good stability and can be model FF050 or FF130; the lower cover 4 can be cylindrical.
[0029] The intelligent electromagnetic vacuum bone cement mixer provided by this invention includes a controller, an electromagnetic driver 16, a 90° negative pressure exhaust port 1, a mixing element 2, a housing, a sealing ring 17, a conduit, a temperature sensor, and a power supply 15. First, the mounting end 5 of the mixing element 2 is installed on the rotating shaft of the electromagnetic driver 16. The hemispherical crescent blade is placed inside the hemispherical lower cover 4, and the bone cement is placed inside the mixing bowl 19. The upper cover 3 is sealed and installed on the hemispherical lower cover 4 using the sealing ring 17. One end of the conduit is installed on the 90° negative pressure exhaust port 1, and the other end of the conduit is connected to the operating room negative pressure converter. Then, the switch 7 is turned on, and the corresponding high-speed button 9, medium-speed button 10, and low-speed button 11 are selected according to the viscosity requirements of the bone cement. The temperature displayed on the temperature display 8 facilitates clinical monitoring of the surgical time. Finally, the machine is stopped after the set time is reached, the upper cover 3 is opened, and the bone cement is removed for use. The intelligent electromagnetic vacuum bone cement mixer provided by this invention allows for precise speed adjustment by activating the high-speed button 9, medium-speed button 10, and low-speed button 11 to adapt to the needs of bone cements with different viscosities. Its non-contact drive avoids mechanical contamination and has low thermal effect. The 90° negative pressure exhaust port 1 prevents the dry bone cement powder from being sucked out and also discharges volatile and irritating gases generated during the bone cement mixing process, preventing leakage into the ambient air and causing harm to medical staff and patients. The hemispherical crescent-shaped fan blades fit well with the mixing bowl 19, providing 360° uniform mixing. While taking into account the vertical and horizontal directions, it can meet the needs of various bone cements in clinical practice. It has good sealing performance, is easy to operate, and can reduce the risk of cross-infection during surgery, making the bone cement mixing more uniform. It also features intelligent control, saving time and effort.
[0030] In one embodiment of the present invention, a gear rotating component 18 is also included. The mounting end 5 is mounted on the rotating shaft of the electromagnetic driver 16 via the gear rotating component 18. The gear rotating component 18 has good transmission smoothness, low noise, can enhance torque, prevent jamming, and improve the stability of intelligent electromagnetic vacuum bone cement mixing. Specifically, the gear rotating component 18 can be a single gear, a double gear, or multiple gears.
[0031] In one embodiment of the present invention, a scraper is also included, which is used to scrape off the bone cement residue remaining in the lower cover 4, thereby avoiding waste of bone cement.
[0032] like Figure 1 As shown, the upper cover 3 is equipped with a Leroy triangular control panel 14. The switch 7, temperature display 8, high-level button 9, medium-level button 10, and low-level button 11 are all located on the control panel 14 for easy operation.
[0033] like Figure 1As shown, the operation panel 14 is also equipped with a fine-tuning button 12 and a speed display 13. The fine-tuning button 12 is connected to the controller and can meet the speed requirements of bone cement of different viscosities in clinical practice.
[0034] In one embodiment of the present invention, the outer shell is made of transparent ABS or PC material to facilitate observation of the internal state; the gear rotating part 18 is made of POM material; and the remaining parts are made of PC or ABS material.
[0035] like Figures 1 to 3 As shown, based on the same inventive concept, the present invention also provides a stirring method for an intelligent electromagnetic vacuum bone cement mixer, wherein the intelligent electromagnetic vacuum bone cement mixer of any of the foregoing embodiments is used to stir bone cement, comprising the following steps:
[0036] Step 1: Install the mounting end 5 of the mixing component 2 on the rotating shaft of the electromagnetic driver 16, place the hemispherical crescent fan blade inside the lower cover 4, place the bone cement inside the mixing bowl 19, and seal the upper cover 3 on the lower cover 4 with the sealing ring 17.
[0037] Step 2: Install one end of the catheter on the 90° negative pressure exhaust port 1, and connect the other end of the catheter to the operating room negative pressure alternator;
[0038] Step 3: Turn on switch 7. Select the corresponding high-speed button 9, medium-speed button 10, or low-speed button 11 according to the viscosity requirements of the bone cement. The temperature displayed on the temperature display 8 helps the clinician to control the operation time.
[0039] Step 4: After the set time is reached, stop the machine, open the top cover 3, and take out the bone cement for use.
[0040] The intelligent electromagnetic vacuum bone cement mixing and mixing method provided by this invention includes a controller, an electromagnetic driver 16, a 90° negative pressure exhaust port 1, a mixing element 2, a housing, a sealing ring 17, a conduit, a temperature sensor, and a power supply 15. First, the mounting end 5 of the mixing element 2 is installed on the rotating shaft of the electromagnetic driver 16. The hemispherical crescent blade is placed inside the hemispherical lower cover 4, and the bone cement is placed inside the mixing bowl 19. The upper cover 3 is sealed and installed on the hemispherical lower cover 4 by the sealing ring 17. One end of the conduit is installed on the 90° negative pressure exhaust port 1, and the other end of the conduit is connected to the negative pressure alternator in the operating room. Then, the switch 7 is turned on, and the corresponding high-level button 9, medium-level button 10, and low-level button 11 are selected according to the viscosity requirements of the bone cement. The temperature displayed on the temperature display 8 facilitates clinical control of the operation time. Finally, the machine is stopped after the set time is reached, the upper cover 3 is opened, and the bone cement is taken out for use. The intelligent electromagnetic vacuum bone cement mixer and mixing method provided by this invention allows for precise speed adjustment by activating the high-speed button 9, medium-speed button 10, and low-speed button 11 to adapt to the needs of bone cements with different viscosities. Its non-contact drive avoids mechanical contamination and has a low thermal effect. The 90° negative pressure exhaust port 1 can prevent the dry bone cement powder from being sucked out and can also discharge volatile and irritating gases generated during the bone cement mixing process, preventing leakage into the ambient air and causing harm to medical staff and patients. The hemispherical crescent fan blades fit well with the mixing bowl 19, providing 360° uniform mixing. While taking into account the vertical and horizontal directions, it can meet the needs of various bone cements in clinical practice. It has good sealing performance, is easy to operate, and can reduce the risk of cross-infection during surgery, making the bone cement mixing more uniform. It also features intelligent control, saving time and effort.
[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. An intelligent electromagnetic vacuum bone cement mixer, characterized in that, Includes a controller, electromagnetic actuator, 90° negative pressure exhaust port, stirring component, housing, sealing ring, conduit, temperature sensor, and power supply, among which: The outer casing includes an upper cover and a lower cover, which are sealed and installed by the sealing ring; The controller, the electromagnetic driver, and the power supply are all installed inside the upper cover, and the 90° negative pressure exhaust port is opened on one side of the upper cover; A stirring bowl is provided inside the lower cover; The mixing component includes a mounting end and a mixing end. The mounting end is mounted on the rotating shaft of the electromagnetic driver. The mixing end is shaped like a hemispherical crescent blade adapted to the mixing bowl. The hemispherical crescent blade is used to mix the bone cement placed in the mixing bowl. One end of the catheter is installed on the 90° negative pressure exhaust port, and the other end of the catheter is used to connect to the operating room negative pressure alternator; The upper cover is equipped with a switch, a temperature display, a temperature sensor, a high-gear button, a medium-gear button, and a low-gear button. The switch is electrically connected to the power supply. The temperature display, the temperature sensor, the high-gear button, the medium-gear button, the low-gear button, and the electromagnetic driver are all communicatively connected to the controller.
2. The intelligent electromagnetic vacuum bone cement mixer according to claim 1, characterized in that, It also includes a gear rotating component, and the mounting end is mounted on the rotating shaft of the electromagnetic driver via the gear rotating component.
3. The intelligent electromagnetic vacuum bone cement mixer according to claim 2, characterized in that, The rotating gear is a single gear, a double gear, or multiple gears.
4. The intelligent electromagnetic vacuum bone cement mixer according to claim 1, characterized in that, It also includes a scraper for scraping away any remaining bone cement in the lower cover.
5. The intelligent electromagnetic vacuum bone cement mixer according to claim 1, characterized in that, The top cover is equipped with a Lelo triangular control panel, on which the switch, temperature display, high-speed button, medium-speed button, and low-speed button are all located.
6. The intelligent electromagnetic vacuum bone cement mixer according to claim 5, characterized in that, The control panel is also equipped with a fine-tuning button and a speed display, and the fine-tuning button is communicatively connected to the controller.
7. A mixing method using an intelligent electromagnetic vacuum bone cement mixer, comprising mixing bone cement using the intelligent electromagnetic vacuum bone cement mixer according to any one of claims 1-6, characterized in that, Includes the following steps: Step 1: Install the mounting end of the mixing component on the rotating shaft of the electromagnetic actuator, place the hemispherical crescent blade inside the lower cover, place the bone cement inside the mixing bowl, and seal the upper cover on the lower cover using the sealing ring. Step 2: Install one end of the catheter on the 90° negative pressure exhaust port, and connect the other end of the catheter to the negative pressure alternator in the operating room; Step 3: Turn on the switch. Select the appropriate high, medium, or low setting button according to the viscosity requirements of the bone cement. The temperature displayed on the temperature monitor helps clinicians control the operation time. Step 4: After the set time is reached, stop the machine, open the top cover, and take out the bone cement for use.