Efficient mixer for double-antibiotic bone cement

By designing the stirring and discharging components of an efficient mixer, the problem of bone cement residue was solved, efficient use and convenient discharge of the mixer were achieved, and surgical safety was improved.

CN223337270UActive Publication Date: 2025-09-16SHANDONG KANGSHENG MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202422530360.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-09-16
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

Existing mixers lack the function of cleaning the inner wall, which causes bone cement to easily remain on the inner wall of the mixing barrel, resulting in waste and difficulty in cleaning, affecting the use effect.

Method used

An efficient mixer consisting of a mixing barrel and a stirring assembly was designed. The combination of a reciprocating screw and a stirring blade prevents bone cement from sticking, and the discharge assembly uses an electric push rod and a sliding rod to achieve convenient discharge.

Benefits of technology

It achieves efficient mixing and convenient discharge of bone cement, reduces residue, improves work efficiency, and reduces surgical risks and patient operation time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-antibiotic bone cement efficient mixer which comprises a bottom plate, a discharging assembly is fixedly installed at the top of the bottom plate, a mixing barrel is arranged at the top of the discharging assembly, and a stirring assembly is fixedly installed on one side of the mixing barrel. The stirring assembly comprises a motor and a first gear, the motor is fixedly installed on one side of the mixing barrel, and the first gear is fixedly connected with the output end of the motor. According to the efficient mixer for the double-antibiotic bone cement, through the arrangement of the mixing barrel and the stirring assembly, double antibiotics and bone cement can be mixed and stirred, the stirring speed is high, efficient stirring is guaranteed, the bone cement can be prevented from being adhered to the inner wall of the mixing barrel in the process, and the situation that residues exist in the bone cement is prevented; and unnecessary waste is also reduced, the waste can be discharged more cleanly, and inconvenience caused by manual cleaning is also reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of double antibiotic bone cement, in particular to a high-efficiency mixer for double antibiotic bone cement. Background Art

[0002] Dual-antibiotic bone cement is a special material that incorporates two antibiotics. 1. Principle of Action: During the solidification process, bone cement forms a stable structure, while the added antibiotics are slowly released, exerting local antibacterial and anti-inflammatory effects. This dual-antibiotic combination broadens the antibacterial spectrum and enhances efficacy, targeting a wide range of bacteria that may cause infection. 2. Application: In orthopedic surgery, the use of dual-antibiotic bone cement in joint replacement surgeries, such as hip and knee replacements, can reduce the risk of postoperative infection. It continuously releases antibiotics at the interface between the prosthesis and bone, inhibiting bacterial growth and improving the success rate of the surgery.

[0003] In response to the above-mentioned related issues, the existing mixer does not have the function of cleaning the inner wall. During actual use, due to the high density of bone cement, it is easy to remain on the inner wall of the mixing barrel, which not only causes unnecessary waste, but also is very troublesome to clean it. It is also very troublesome when the bone cement needs to be discharged, which affects the use effect.

[0004] Therefore, the utility model provides a double antibiotic bone cement high-efficiency mixer to solve the above problems. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a high-efficiency double antibiotic bone cement mixer, which solves the problem that the above-mentioned existing mixers have no function of cleaning the inner wall. During actual use, due to the high density of bone cement, it is easy to remain on the inner wall of the mixing barrel, which not only causes unnecessary waste but also makes it very troublesome to clean it.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dual antibiotic bone cement high-efficiency mixer, comprising a base plate, a discharge assembly fixedly installed on the top of the base plate, a mixing barrel provided on the top of the discharge assembly, and a stirring assembly fixedly installed on one side of the mixing barrel; the stirring assembly, comprising a motor and gear 1, the motor fixedly installed on one side of the mixing barrel, the gear 1 fixedly connected to the output end of the motor, one end of the gear 1 fixedly connected to a reciprocating screw, the reciprocating screw and the mixing barrel are connected by a bearing, a movable plate is threadedly connected to the side wall of the reciprocating screw, an annular plate is fixedly installed on the bottom of the movable plate, the inner side wall of the mixing barrel is connected to a stirring shaft through a bearing, a stirring blade is fixedly connected to the side wall of the stirring shaft, one end of the stirring shaft is fixedly connected to gear 2, and the gear 2 is meshed with the gear 1.

[0007] Furthermore, the stirring assembly also includes a stabilizing bar, which is fixedly mounted on the top of the mixing barrel, and the movable plate is slidably connected to the stabilizing bar.

[0008] By adopting the above technical solution, the movable plate can move more stably.

[0009] Furthermore, a material guide plate is fixedly installed on one side of the mixing barrel, and the material guide plate is welded to the mixing barrel.

[0010] The above technical solution can assist in discharge of materials, and the discharge effect will be better.

[0011] Furthermore, the discharge assembly includes a fixed frame and a connecting rod 1, the fixed frame is fixedly installed on the top of the base plate, the connecting rod 1 is hinged to the inner side wall of the fixed frame, the top of the connecting rod 1 is fixedly connected to the mixing barrel, an electric push rod is provided on the top of the base plate, the output end of the electric push rod is fixedly connected to a moving block, a U-shaped frame 1 is fixedly installed on the top of the moving block, the inner side wall of the U-shaped frame 1 is hinged with a connecting rod 2, the outer side wall of the mixing barrel is fixedly installed with a U-shaped frame 2, and the connecting rod 2 and the U-shaped frame 2 are hinged.

[0012] By adopting the above technical solution, the material arrangement work can be carried out, and the material arrangement is simple and convenient.

[0013] Furthermore, the discharge assembly also includes a slide rod, which is fixedly installed on the top of the base plate, and the moving block is slidably connected to the slide rod.

[0014] By adopting the above technical solution, the moving block can be made more stable during movement.

[0015] Furthermore, there are two sliding bars, and the two sliding bars are arranged opposite to each other.

[0016] The above technical solution can make the sliding effect more stable.

[0017] Furthermore, the bottom plate is rectangular in shape, and the edges of the bottom plate are rounded.

[0018] The above technical solution can provide good support for the whole structure.

[0019] Beneficial effects

[0020] The utility model provides a high-efficiency mixer for double antibiotic bone cement. Compared with the existing technology, it has the following advantages:

[0021] 1. The dual antibiotic bone cement high-efficiency mixer can mix and stir dual antibiotics and bone cement through the provided mixing barrel and stirring assembly, and the stirring speed is fast, ensuring the efficient stirring. During the process, it can also prevent the bone cement from adhering to the inner wall of the mixing barrel to prevent its residue, reduce unnecessary waste, and make it cleaner when discharging, reducing the inconvenience of manual cleaning.

[0022] 2. This dual-antibiotic bone cement high-efficiency mixer can discharge bone cement through the set discharge component, and the discharge is simple and convenient. First of all, the convenient discharge function greatly improves work efficiency. In the medical operation process, time is often crucial, especially in the surgical scene. The ability to quickly and accurately discharge bone cement can ensure the smooth progress of the operation and reduce the patient's operation time and risk.

[0023] Secondly, the simple operation method makes it easier for medical staff to master and use the mixer. The discharge of bone cement can be achieved without complicated steps and tedious operations, which reduces the possibility of operational errors and improves the safety of surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0025] Figure 1 It is a cross-sectional view of the overall structure of the utility model;

[0026] Figure 2 This utility model Figure 1 A magnified view of the structure at center A;

[0027] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 4 This utility model Figure 3 A magnified view of the structure at B in the middle.

[0029] In the figure: 1. Bottom plate; 2. Discharge assembly; 21. Fixed frame; 22. Connecting rod 1; 23. Electric push rod; 24. Moving block; 25. U-shaped frame 1; 26. Connecting rod 2; 27. U-shaped frame 2; 28. Sliding rod; 3. Mixing barrel; 4. Guide plate; 5. Stirring assembly; 51. Motor; 52. Gear 1; 53. Reciprocating screw; 54. Moving plate; 55. Annular plate; 56. Stabilizing rod; 57. Stirring shaft; 58. Stirring blade; 59. Gear 2. DETAILED DESCRIPTION

[0030] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] The present application will be further described in detail below through the accompanying drawings and examples.

[0032] Reference Figures 1 to 4The embodiment of the present application provides a dual antibiotic bone cement high-efficiency mixer, including a bottom plate 1, the bottom plate 1 is rectangular in shape, the edges of the bottom plate 1 are rounded, a discharge assembly 2 is fixedly installed on the top of the bottom plate 1, a mixing barrel 3 is provided on the top of the discharge assembly 2, and a stirring assembly 5 is fixedly installed on one side of the mixing barrel 3; the stirring assembly 5 includes a motor 51 and a gear 1 52, the motor 51 is fixedly installed on one side of the mixing barrel 3, the gear 1 52 is fixedly connected to the output end of the motor 51, one end of the gear 1 52 is fixedly connected to a reciprocating screw rod 53, and the reciprocating screw rod 5 3 is connected to the mixing barrel 3 through a bearing, a movable plate 54 is connected to the side wall of the reciprocating screw 53 through a thread, and an annular plate 55 is fixedly installed on the bottom of the movable plate 54. The inner side wall of the mixing barrel 3 is connected to a stirring shaft 57 through a bearing, and a stirring blade 58 is fixedly connected to the side wall of the stirring shaft 57. One end of the stirring shaft 57 is fixedly connected to a gear 2 59, and the gear 2 59 is meshed with the gear 1 52. The stirring assembly 5 also includes a stabilizing bar 56, which is fixedly mounted on the top of the mixing barrel 3, and the movable plate 54 and the stabilizing bar 56 are slidably connected.

[0033] In this embodiment, the bone cement raw materials and double antibiotics are first placed inside the mixing barrel 3, and then the motor 51 is started to drive gear 1 52 and the reciprocating screw 53 to rotate, so that the reciprocating screw 53 can drive the movable plate 54 to slide back and forth, so that the movable plate 54 can scrape the bone cement on the inner wall of the mixing barrel 3 to prevent it from remaining. Then, gear 1 52 will drive gear 2 59 to move, so that gear 2 59 can drive the stirring blade 58 to rotate through the stirring shaft 57, so that the bone cement inside the mixing barrel 3 can have a good stirring and mixing effect.

[0034] Reference Figures 1 to 4 In one aspect of this embodiment, a guide plate 4 is fixedly installed on one side of the mixing barrel 3, and the guide plate 4 is welded to the mixing barrel 3. The discharge assembly 2 includes a fixed frame 21 and a connecting rod 22. The fixed frame 21 is fixedly installed on the top of the base plate 1, and the connecting rod 22 is hinged to the inner side wall of the fixed frame 21. The top of the connecting rod 22 is fixedly connected to the mixing barrel 3. An electric push rod 23 is provided on the top of the base plate 1, and the output end of the electric push rod 23 is fixedly connected to a moving block 24. A U-shaped frame 25 is fixedly installed on the top of the moving block 24, and a connecting rod 26 is hinged to the inner side wall of the U-shaped frame 25. A U-shaped frame 27 is fixedly installed on the outer wall of the mixing barrel 3, and the connecting rod 26 and the U-shaped frame 27 are hinged. The discharge assembly 2 also includes a sliding rod 28, which is fixedly installed on the top of the base plate 1, and the moving block 24 is slidably connected to the sliding rod 28.

[0035] In this embodiment, finally starting the electric push rod 23 can drive the moving block 24 to move, so that the moving block 24 can drive the mixing barrel 3 to rotate inside the fixed frame 21 through the connecting rod 1 22 through the connecting rod 2 26, so that the mixing barrel 3 can be tilted, and the mixing barrel 3 can discharge the bone cement through the guide plate 4, and the discharge is simple and convenient.

[0036] Reference Figures 1 to 4 In one aspect of this embodiment, there are two sliding bars 28 , and the two sliding bars 28 are arranged opposite to each other.

[0037] In this embodiment, setting two of the slide bars 28 can provide a better stabilization effect.

[0038] Working principle: First, place the bone cement raw materials and double antibiotics into the inside of the mixing barrel 3, and then start the motor 51 to drive gear 1 52 and the reciprocating screw 53 to rotate, so that the reciprocating screw 53 can drive the movable plate 54 to slide back and forth, so that the movable plate 54 can scrape the bone cement on the inner wall of the mixing barrel 3 to prevent it from remaining. Then gear 1 52 will drive gear 2 59 to move, so that gear 2 59 can drive the stirring blade 58 to rotate through the stirring shaft 57, so that the bone cement inside the mixing barrel 3 can have a good stirring and mixing effect.

[0039] Finally, starting the electric push rod 23 can drive the moving block 24 to move, so that the moving block 24 can drive the mixing barrel 3 to rotate inside the fixed frame 21 through the connecting rod 1 22 through the connecting rod 26, so that the mixing barrel 3 can be tilted and the mixing barrel 3 can discharge the bone cement through the guide plate 4.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dual antibiotic bone cement high efficiency mixer, comprising a bottom plate (1), characterized in that: A discharge assembly (2) is fixedly mounted on the top of the bottom plate (1), a mixing barrel (3) is provided on the top of the discharge assembly (2), and a stirring assembly (5) is fixedly mounted on one side of the mixing barrel (3); The stirring assembly (5) comprises a motor (51) and a gear 1 (52). The motor (51) is fixedly mounted on one side of the mixing barrel (3). The gear 1 (52) is fixedly connected to the output end of the motor (51). One end of the gear 1 (52) is fixedly connected to a reciprocating screw (53). The reciprocating screw (53) is connected to the mixing barrel (3) via a bearing. A movable plate (54) is screwed to the side wall of the reciprocating screw (53). An annular plate (55) is fixedly mounted on the bottom of the movable plate (54). The inner side wall of the mixing barrel (3) is connected to a stirring shaft (57) via a bearing. A stirring blade (58) is fixedly connected to the side wall of the stirring shaft (57). One end of the stirring shaft (57) is fixedly connected to a gear 2 (59). The gear 2 (59) is meshed with the gear 1 (52).

2. A dual antibiotic bone cement efficient mixer according to claim 1, characterized in that: The stirring assembly (5) further comprises a stabilizing rod (56), wherein the stabilizing rod (56) is fixedly mounted on the top of the mixing barrel (3), and the movable plate (54) is slidably connected to the stabilizing rod (56).

3. The high-efficiency double antibiotic bone cement mixer according to claim 1, characterized in that: A material guide plate (4) is fixedly mounted on one side of the mixing barrel (3), and the material guide plate (4) and the mixing barrel (3) are welded.

4. A dual antibiotic bone cement high-efficiency mixer according to claim 1, characterized in that: The discharge assembly (2) comprises a fixed frame (21) and a connecting rod (22), wherein the fixed frame (21) is fixedly mounted on the top of the base plate (1), the connecting rod (22) is hinged to the inner side wall of the fixed frame (21), the top of the connecting rod (22) is fixedly connected to the mixing barrel (3), an electric push rod (23) is provided on the top of the base plate (1), the output end of the electric push rod (23) is fixedly connected to a moving block (24), a U-shaped frame (25) is fixedly mounted on the top of the moving block (24), the inner side wall of the U-shaped frame (25) is hinged to a connecting rod (26), a U-shaped frame (27) is fixedly mounted on the outer side wall of the mixing barrel (3), and the connecting rod (26) and the U-shaped frame (27) are hinged.

5. A dual antibiotic bone cement efficient mixer according to claim 4, characterized in that: The discharge assembly (2) further comprises a slide bar (28), wherein the slide bar (28) is fixedly mounted on the top of the base plate (1), and the moving block (24) is slidably connected to the slide bar (28).

6. A dual antibiotic bone cement high-efficiency mixer according to claim 5, characterized in that: There are two sliding rods (28), and the two sliding rods (28) are arranged opposite to each other.

7. The high-efficiency double antibiotic bone cement mixer according to claim 1, characterized in that: The bottom plate (1) is rectangular in shape, and the edges of the bottom plate (1) are rounded.