A mixing device for medical nutritional liquids

By designing a premixed structure, a mixing structure, a heat-conducting layer, and a heat-insulating layer, the problems of uneven mixing, insufficient temperature control, and dead zones in stirring are solved, achieving efficient mixing and temperature control of the nutrient solution and ensuring the quality and safety of the nutrient solution.

CN122098348APending Publication Date: 2026-05-29杨帆

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
杨帆
Filing Date
2026-03-27
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing medical nutrient solution mixing devices suffer from problems such as uneven mixing, insufficient temperature control, and dead zones in stirring, which affect the quality and safety of the nutrient solution.

Method used

By employing a premixed and mixed structure, combined with a heat-conducting layer and an insulation layer, and designing a U-shaped frame and auxiliary shaft, omnidirectional stirring is achieved, ensuring mixing uniformity and temperature stability.

Benefits of technology

It improves the mixing uniformity of the nutrient solution, avoids stratification and agglomeration, protects heat-sensitive components from becoming ineffective, reduces residues, and ensures the stability of the nutrient solution quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to medical nutrient solution preparation equipment technical field, especially in kind for medical nutrient solution mixing device, including: mixing tank structure, premix structure and mixing structure, premix structure is arranged in the inside upper portion of mixing tank structure, is used for carrying out premix to nutrient solution raw material, mixing structure is arranged in the inside lower portion of mixing tank structure, is used for carrying out mixing to the nutrient solution raw material in the inside of mixing tank structure, as the further scheme of the present application, mixing tank structure includes main jar, the main jar top end is equipped with injection material structure, the main jar bottom end is equipped with drain pipe, the drain pipe inside is equipped with valve, and the drain pipe top end is set through the main jar bottom end, the beneficial effects of the present application are: the present application sets up premix structure and mixing structure, first mixes the raw material of easy agglomeration through premix structure preliminary, then carries out deep mixing through mixing structure, effectively improves the mixing uniformity of nutrient solution raw material, avoids stratification and agglomeration phenomenon.
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Description

Technical Field

[0001] This invention relates to the field of medical nutrient solution preparation equipment, and in particular to a mixing device for medical nutrient solutions. Background Technology

[0002] Medical nutrition solutions are special dietary solutions formulated to meet the nutritional needs of patients with specific diseases, postoperative recovery patients, or patients who are unable to eat normally. The uniform mixing of its nutritional components is directly related to the patient's nutritional absorption and treatment safety.

[0003] Existing medical nutrient solution mixing devices mostly adopt a single stirring structure, which has the following shortcomings: First, the physical properties of different nutrient solution raw materials vary greatly, and direct entry into the main mixing chamber can easily lead to stratification and agglomeration, resulting in insufficient mixing uniformity; Second, there is a lack of temperature control mechanism during the mixing process, and some heat-sensitive nutrients are prone to failure due to temperature fluctuations. At the same time, the poor flowability of raw materials at low temperatures will also affect the mixing efficiency; Third, the stirring structure does not fully stir the raw materials on the inner wall and corners of the tank, which can easily cause raw material residue and mixing dead zones, affecting the stability of nutrient solution quality.

[0004] Therefore, it is necessary to design a medical nutrient solution mixing device with premixing function, temperature control capability, and no dead zones in stirring, in order to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the above-mentioned technologies. The technical solution adopted by this invention is as follows:

[0006] A mixing device for medical nutrient solutions, characterized in that it comprises: a mixing tank structure, a premixing structure, and a mixing structure.

[0007] The premixing structure is located inside the upper part of the mixing tank structure and is used to premix the nutrient solution raw materials;

[0008] The mixing structure is located inside the lower part of the mixing tank structure and is used to mix the nutrient solution raw materials inside the mixing tank structure.

[0009] As a further embodiment of the present invention, the mixing tank structure includes a main tank, the top of which is provided with a material injection structure, the bottom of which is provided with a drain pipe, the drain pipe having a valve inside, and the top of the drain pipe extending through the bottom of the main tank.

[0010] As a further embodiment of the present invention, the main tank is provided with an insulation layer inside, and the insulation layer is fitted and disposed on the inner side of the main tank.

[0011] As a further embodiment of the present invention, the main tank is provided with a heat-conducting layer inside, and the heat-conducting layer is attached to the inside of the insulation layer. The heat-conducting layer is hollow and a heating tube is provided inside the heat-conducting layer.

[0012] As a further embodiment of the present invention, the premixing structure includes a premixing tank and a motor. The premixing tank is placed inside the main tank, with its bottom end positioned near the center of the main tank's interior height. A connecting block is provided at the top of the premixing tank, and the top of the connecting block is fixedly connected to the top of the main tank's interior. The top of the premixing tank has an opening, and an electric control switch is provided at its bottom. The motor is fixed at the center of the top of the main tank, and a main shaft is provided at the power output end of the motor. The main shaft rotates through the top of the main tank and the premixing tank, with its bottom end positioned near the bottom of the premixing tank's interior. A mixing shaft is provided on the main shaft, and multiple mixing shafts are distributed in multiple sets at equal intervals inside the premixing tank.

[0013] As a further embodiment of the present invention, the mixing structure includes a second motor and a U-shaped frame. The second motor is located at the center of the bottom of the main tank. The power output end of the second motor is provided with a second main shaft. The top end of the second main shaft rotates out of the bottom of the main tank and extends into the interior of the main tank, with the top end of the shaft close to the bottom of the premixing tank. The second main shaft is provided with a second mixing shaft, and multiple second mixing shafts are distributed in multiple sets at equal intervals on the second main shaft. The U-shaped frame is rotatably disposed inside the main tank and is connected and fixed to the second main shaft. The second main shaft is provided on both sides of the U-shaped frame, and multiple second main shafts are distributed in multiple sets at equal intervals on both sides of the U-shaped frame.

[0014] As a further embodiment of the present invention, the bottom end of the U-shaped frame is located close to the bottom of the main tank, and both sides of the U-shaped frame are rotatably inserted between the heat-conducting layer and the side of the premixed tank.

[0015] As a further embodiment of the present invention, a limiting groove is provided on the outer side of the premix tank near the top position, and a groove body is provided downward from the limiting groove, and the groove body is movably fitted onto the top of the U-shaped frame.

[0016] As a further embodiment of the present invention, an auxiliary shaft is provided on the side of the premix tank, and multiple sets of auxiliary shafts are distributed at equal intervals on the outside of the premix tank, and multiple auxiliary shafts are arranged parallel to and intersecting with multiple auxiliary shafts.

[0017] As a further embodiment of the present invention, the injection structure includes an injection pipe one and an injection pipe two. The bottom end of the injection pipe one extends into the top of the main tank and is located above the side of the U-shaped frame. The bottom end of the injection pipe two extends into the top of the main tank and is located above the opening.

[0018] The beneficial effects of this invention are as follows:

[0019] This invention features a premixing structure and a mixing structure. The premixing structure first performs preliminary mixing of easily agglomerated raw materials, and then the mixing structure performs deep mixing, which effectively improves the mixing uniformity of the nutrient solution raw materials and avoids stratification and agglomeration.

[0020] The main tank is equipped with a heat-conducting layer and an insulation layer. The heating pipes in the heat-conducting layer can precisely control the temperature inside the tank, while the insulation layer prevents temperature fluctuations. This not only meets the temperature requirements of different nutrient solutions but also protects heat-sensitive nutrients from becoming ineffective.

[0021] The mixing structure adopts a U-shaped frame design, which, together with the auxiliary shafts on both sides and the auxiliary shaft on the side of the premixing tank, forms an all-round mixing system, eliminating mixing dead corners on the inner wall and corners of the tank, reducing raw material residue, and ensuring the stability of nutrient solution quality.

[0022] Obviously, based on the above description of the present invention, and according to common technical knowledge and conventional methods in the field, various other modifications, substitutions, or alterations can be made without departing from the basic technical concept of the present invention.

[0023] The following detailed embodiments further illustrate the above-described content of the present invention. However, this should not be construed as limiting the scope of the present invention to the following examples. All technologies implemented based on the above-described content of the present invention fall within the scope of the present invention. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present invention;

[0026] Figure 3 For the present invention Figure 2 Schematic diagram of the structure at point A in the middle.

[0027] Reference table for attached figures:

[0028] 1. Mixing tank structure; 11. Main tank; 12. Injection pipe one; 13. Injection pipe two; 14. Insulation layer; 15. Heat-conducting layer; 16. Heating pipe; 17. Drain pipe; 2. Premixing structure; 21. Premixing tank; 22. Connecting block; 23. Opening; 24. Motor one; 25. Main shaft one; 26. Mixing shaft one; 27. Electrical control switch; 28. Limiting groove; 29. ​​Auxiliary shaft one; 3. Mixing structure; 31. Motor two; 32. U-shaped frame; 33. Main shaft two; 34. Auxiliary shaft two; 35. Mixing shaft two. Detailed Implementation

[0029] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0030] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0031] To make the content of this invention easier to understand, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] To address the technical problems in the background art, the following mixing device for medical nutrient solutions is provided:

[0033] Combination Figures 1-3 As shown, the present invention provides a mixing device for medical nutrient solution, including a mixing tank structure 1, a premixing structure 2 and a mixing structure 3. The premixing structure 2 is disposed inside the upper part of the mixing tank structure 1 and is used to premix the nutrient solution raw materials. The mixing structure 3 is disposed inside the lower part of the mixing tank structure 1 and is used to deeply mix the nutrient solution raw materials inside the mixing tank structure 1.

[0034] Mixing tank structure 1

[0035] The mixing tank structure 1 includes a main tank 11. The main tank 11 has a material injection structure at its top and a drain pipe 17 at its bottom. The drain pipe 17 has a valve inside and its top extends through the bottom of the main tank 11 for easy discharge of the nutrient solution after mixing. The main tank 11 has an insulation layer 14 inside, which is fitted tightly to the inside of the main tank 11 to provide insulation and prevent rapid temperature loss. A heat-conducting layer 15 is fitted inside the insulation layer 14. The heat-conducting layer 15 has a hollow design and contains a heating pipe 16. The heating pipe 16 allows for temperature control of the raw materials inside the tank, meeting the temperature requirements of different nutrient solutions.

[0036] The injection structure includes injection pipe 12 and injection pipe 23. The bottom end of injection pipe 12 extends into the top of the main tank 11 and is located above the side of the U-shaped frame. It is used to directly inject some raw materials into the main tank 11. The bottom end of injection pipe 23 extends into the top of the main tank 11 and is located above the opening 23. It is used to inject the raw materials to be premixed into the premix tank 21.

[0037] Premixed structure 2

[0038] The premixing structure 2 includes a premixing tank 21 and a motor 24. The premixing tank 21 is placed inside the main tank 11, with its bottom end positioned near the center of the main tank 11's interior height. A connecting block 22 is located at the top, and its top end is connected and fixed to the top of the main tank 11's interior to ensure the installation stability of the premixing tank 21. The top of the premixing tank 21 has an opening 23 for easy material injection, and an electrical control switch 27 at the bottom to control the premixed material's entry into the mixing area below the main tank 11.

[0039] Motor 24 is fixed at the center of the top of main tank 11. Its power output end is equipped with a main shaft 25. The main shaft 25 rotates through the top of both main tank 11 and premix tank 21, with its bottom end positioned near the bottom of the premix tank 21. Mixing shafts 26 are mounted on the main shaft 25, and multiple mixing shafts 26 are arranged in multiple sets at equal intervals inside the premix tank 21. Motor 24 drives the main shaft 25 to rotate, causing the mixing shafts 26 to thoroughly stir and premix the raw materials in the premix tank 21, preventing material agglomeration.

[0040] A limiting groove 28 is fitted on the outer side of the premix tank 21 near the top. The limiting groove 28 has a downward-facing groove body, which movably fits onto the top of the U-shaped frame, improving the stability of the fit between the premix tank 21 and the mixing structure 3. Multiple sets of auxiliary shafts 29 are equidistantly distributed vertically on the outer side of the premix tank 21, and are parallel to and intersecting with the auxiliary shafts 34 in the mixing structure 3. These shafts create a shearing effect during the mixing process, enhancing the mixing efficiency.

[0041] Hybrid Structure 3

[0042] The mixing structure 3 includes a second motor 31 and a U-shaped frame. The second motor 31 is located at the center of the bottom of the main tank 11. Its power output end is provided with a second main shaft 33. The top of the second main shaft 33 rotates from the bottom of the main tank 11 and extends into the interior of the main tank 11. The top of the shaft is located close to the bottom of the premix tank 21. A second mixing shaft 35 is provided on the shaft of the second main shaft 33. Multiple mixing shafts 35 are distributed in multiple sets at equal intervals on the shaft of the second main shaft 33.

[0043] The U-shaped frame is rotatably mounted inside the main tank 11 and is fixedly connected to the main shaft 33. Auxiliary shafts 34 are provided on both sides of the U-shaped frame, with multiple auxiliary shafts 34 distributed equidistantly in multiple groups on both sides of the U-shaped frame. The bottom of the U-shaped frame is located near the bottom of the main tank 11, and both sides of the U-shaped frame are rotatably inserted between the heat-conducting layer 15 and the side of the premix tank 21, allowing for stirring of the raw materials on the inner wall and in the corners of the tank, eliminating mixing dead zones. Motor 31 drives the main shaft 33 to rotate, causing the U-shaped frame and mixing shaft 35 to rotate synchronously, achieving comprehensive and deep mixing of the raw materials.

[0044] Working principle

[0045] In use, the raw materials to be premixed are injected into the premix tank 21 through the injection pipe 13. The motor 24 is started, and the main shaft 25 drives the mixing shaft 26 to rotate, premixing the raw materials. Simultaneously, other raw materials are injected into the main tank 11 through the injection pipe 12. After premixing, the electrical control switch 27 at the bottom of the premix tank 21 is opened, and the premixed raw materials enter the area below the main tank 11. According to the nutrient solution requirements, the temperature of the heat-conducting layer 15 is adjusted through the heating pipe 16, and the insulation layer 14 maintains a stable temperature inside the tank. The motor 31 is started, and the main shaft 33 drives the U-shaped frame and the mixing shaft 35 to rotate. The auxiliary shafts 34 on both sides of the U-shaped frame cooperate with the auxiliary shaft 29 on the side of the premix tank 21 to form a shearing action, thoroughly mixing all the raw materials. After mixing, the valve on the drain pipe 17 is opened to drain the nutrient solution.

[0046] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0048] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mixing device for medical nutrient solutions, characterized in that, include: Mixing tank structure (1); The premixing structure (2) is located inside and above the mixing tank structure (1) and is used to premix the nutrient solution raw materials. The mixing structure (3) is located inside the mixing tank structure (1) and is used to mix the nutrient solution raw materials inside the mixing tank structure (1).

2. The mixing device for medical nutrient solution according to claim 1, characterized in that, The mixing tank structure (1) includes a main tank (11), the top of the main tank (11) is provided with a material injection structure, the bottom of the main tank (11) is provided with a drain pipe (17), the drain pipe (17) is provided with a valve inside, and the top of the drain pipe (17) passes through the bottom of the main tank (11).

3. The mixing device for medical nutrient solution according to claim 2, characterized in that, The main tank (11) is provided with an insulation layer (14) inside, and the insulation layer (14) is attached to the inside of the main tank (11).

4. A mixing device for medical nutrient solutions according to any one of claims 1-3, characterized in that, The main tank (11) is provided with a heat-conducting layer (15) inside, and the heat-conducting layer (15) is attached to the inside of the insulation layer (14). The heat-conducting layer (15) is designed with central control inside, and a heating tube (16) is provided inside the heat-conducting layer (15).

5. A mixing device for medical nutrient solutions according to claim 1, characterized in that, The premixing structure (2) includes a premixing tank (21) and a motor (24). The premixing tank (21) is placed inside the main tank (11). The bottom of the premixing tank (21) is located near the center of the height inside the main tank (11). The top of the premixing tank (21) is provided with a connecting block (22), and the top of the connecting block (22) is connected and fixed to the top of the inside of the main tank (11). The top of the premixing tank (21) is provided with an opening (23), and the bottom is provided with an electric control switch (27). The motor (24) is fixed at the center of the top of the main tank (11). The power output end of the motor (24) is provided with a main shaft (25). The main shaft (25) rotates through the top of the main tank (11) and the premix tank (21). The bottom of the main shaft (25) is located close to the bottom of the premix tank (21). The main shaft is provided with a mixing shaft (26). Multiple mixing shafts (26) are distributed in multiple groups at equal intervals inside the premix tank (21).

6. The mixing device for medical nutrient solution according to claim 1, characterized in that, The mixing structure (3) includes a second motor (31) and a U-shaped frame (32). The second motor (31) is located at the center of the bottom of the main tank (11). The power output end of the second motor (31) is provided with a second main shaft (33). The top of the second main shaft (33) is rotated from the bottom of the main tank (11) and extends into the interior of the main tank (11). The top of the shaft is located close to the bottom of the premix tank (21). The shaft of the second main shaft (33) is provided with a second mixing shaft (35). Multiple second mixing shafts (35) are distributed in multiple groups at equal intervals on the shaft of the second main shaft (33). The U-shaped frame (32) is rotatably located inside the main tank (11) and is connected and fixed to the shaft of the second main shaft (33). The second main shaft (33) is provided on both sides of the U-shaped frame (32). Multiple second main shafts (33) are distributed in multiple groups at equal intervals on both sides of the U-shaped frame (32).

7. A mixing device for medical nutrient solutions according to claim 1, characterized in that, The bottom of the U-shaped frame (32) is located close to the bottom of the main tank (11), and both sides of the U-shaped frame (32) are rotatably inserted between the heat-conducting layer (15) and the side of the premixed tank (21).

8. A mixing device for medical nutrient solutions according to claim 5, characterized in that, The premix tank (21) is fitted with a limiting groove (28) near the top of the outer side. The limiting groove (28) has a trough body downwards, and the trough body is movably fitted onto the top of the U-shaped frame (32).

9. A mixing device for medical nutrient solutions according to claim 5 or 8, characterized in that, The premix tank (21) is provided with an auxiliary shaft (29) on its side, and multiple sets of auxiliary shafts (29) are distributed at equal intervals on the outside of the premix tank (21), and multiple auxiliary shafts (29) are arranged parallel to and intersecting with multiple auxiliary shafts (34).

10. A mixing device for medical nutrient solutions according to claim 2, characterized in that, The injection structure includes injection pipe one (12) and injection pipe two (13). The bottom end of injection pipe one (12) extends into the top of the main tank (11) and is located above the side of the U-shaped frame (32). The bottom end of injection pipe two (13) extends into the top of the main tank (11) and is located above the opening (23).