Tissue chopping device

Abstract

The technical solution of the utility model provides a tissue shredding device, including a cutting assembly, a lifting seat and a pressing plate, the cutting assembly including at least two staggered and stacked telescopic cutting parts, the telescopic cutting parts including a telescopic mechanism and cutting wires, the telescopic end of the telescopic mechanism is provided with a frame, a plurality of the cutting wires are arranged on the frame in a linear arrangement, and a grid is formed between the cutting wires on the stacked telescopic cutting parts, the telescopic mechanism is used to drive the cutting wires to move back and forth; the lifting end of the lifting seat is connected to the cutting assembly, and is used to drive the cutting assembly to move up and down; the pressing plate is arranged on the lifting seat and is opposite to the cutting assembly. The utility model places the tissue between the cutting assembly and the pressing plate, and during the pressing and cutting, the grid composed of the cutting wires, driven by the telescopic mechanism, causes the cutting wires to cut back and forth, prompting the cutting wires to completely cut the tissue and effectively shred the tissue.

Description

Technical Field

[0001] The utility model relates to the technical field of stem cell preparation pretreatment, in particular to a tissue chopping device. Background Art

[0002] During the human umbilical cord and placental stem cell preparation experiment, the experimenters need to process the umbilical cord Wharton's jelly and the amnion, chorion and decidua of the placenta, and these tissues need to be processed into 2-3mm pieces. For tissue mincing, a tissue grinder is often used, such as the patent 201921485922.0 high-throughput tissue grinder, which is used for rapid crushing and homogenization of tissues. However, the steel ball grinding of the tissue grinder is not good for the mincing of umbilical cord tissue, and it is easy to fail to mince successfully. Therefore, most people still use scissors to manually mince the umbilical cord tissue.

[0003] In the above prior art, the umbilical cord tissue is cut into 2-3 mm pieces by manual scissors, which is slow, time-consuming and inefficient. Therefore, how to effectively cut the umbilical cord and other similar tissues that are not easy to be crushed by a tissue grinder is a technical problem that needs to be solved. Utility Model Content

[0004] In view of this, it is necessary to provide a tissue chopping device to solve the technical problem in the prior art of how to effectively chop tissues such as umbilical cords that are not easy to be pulverized by tissue grinders.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model provides a tissue chopping device, comprising:

[0006] A cutting assembly, comprising at least two staggered telescopic cutting members, the telescopic cutting members comprising a telescopic mechanism and cutting wires, a frame being provided at the telescopic end of the telescopic mechanism, a plurality of the cutting wires being arranged linearly on the frame, and a grid being formed between the cutting wires on the stacked telescopic cutting members, the telescopic mechanism being used to drive the cutting wires to move back and forth;

[0007] A lifting seat, the lifting end of which is connected to the cutting assembly and is used to drive the cutting assembly to move up and down; and

[0008] A pressing plate is arranged on the lifting seat and is opposite to the cutting assembly.

[0009] Furthermore, the lifting seat includes a base, a first hydraulic push rod and a connecting frame, the first hydraulic push rod is arranged on the top of the base, and the connecting frame is arranged at the telescopic end of the first hydraulic push rod.

[0010] Furthermore, the telescopic mechanism includes a second hydraulic push rod and a connecting frame, a pair of the second hydraulic push rods are relatively arranged on the top of the connecting frame, the frame includes two straight rods, the two straight rods are respectively connected to the two connecting frames, and the two connecting frames are respectively connected to the telescopic ends of the two second hydraulic push rods.

[0011] Furthermore, the pressing plate is located directly above the cutting assembly, and the pressing plate is installed on the top of the lifting seat.

[0012] Furthermore, it also includes a first flushing component, which includes a mounting frame and a first nozzle, the mounting frame is arranged at the bottom of the connecting frame, the first nozzle is arranged at the bottom of the mounting frame, and the first nozzle is upward toward the cutting component.

[0013] Furthermore, it also includes a second flushing component, which includes an extension frame and a second nozzle. The extension frame is arranged on the outside of the pressure plate, and the end of the extension frame away from the pressure plate is connected to the second nozzle, and the second nozzle is downward toward the cutting component.

[0014] Furthermore, the inclination angles of the first nozzle and the second nozzle are both forty-five degrees.

[0015] Furthermore, it also includes a material receiving box, which is inserted into the inner side of the lifting seat and is located directly below the cutting assembly.

[0016] Furthermore, the length and width of the material receiving box are both greater than the length of the cutting wire.

[0017] Furthermore, the grid holes are in the shape of square, diamond or triangle.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the tissue is placed between the cutting assembly and the pressing plate, and during the pressing and cutting, the grid composed of the cutting wires, driven by the telescopic mechanism, causes the cutting wires to perform reciprocating cutting, prompting the cutting wires to completely cut the tissue and effectively shred the tissue. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the structure of the tissue chopping device according to an embodiment of the utility model;

[0020] Figure 2 is a three-dimensional elevation diagram of a tissue mincing device according to an embodiment of the utility model;

[0021] Figure 3 is a front view of a tissue chopping device according to an embodiment of the utility model;

[0022] Figure 4It is a three-dimensional diagram of the structure of the cutting assembly according to an embodiment of the utility model;

[0023] Figure 5 is a front view of a cutting assembly according to an embodiment of the utility model;

[0024] In the figure: 1, cutting assembly; 11, telescopic cutting member; 111, telescopic mechanism; 1111, second hydraulic push rod; 1112, connecting frame; 112, cutting wire; 113, frame; 1131, straight rod; 101, grid;

[0025] 2. Lifting seat; 21. Base; 22. First hydraulic push rod; 23. Connecting frame;

[0026] 3. Press plate;

[0027] 4. First flushing assembly; 41. Mounting frame; 42. First nozzle;

[0028] 5. Second flushing assembly; 51. Extension frame; 52. Second nozzle;

[0029] 6. Material receiving box. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0031] like Figure 1-5As shown, the utility model provides a tissue shredding device, including a cutting assembly 1, a lifting seat 2 and a pressing plate 3. The cutting assembly 1 includes at least two staggered telescopic cutting members 11, that is, the telescopic cutting members 11 are stacked up and down, and the upper telescopic cutting member 11 is flat and rotated at a certain angle and stacked on the telescopic cutting member 11 below it. Specifically, the telescopic cutting member 11 includes a telescopic mechanism 111 and a cutting wire 112, and the telescopic end of the telescopic mechanism 111 is provided with a frame 113, and a plurality of the cutting wires 112 are arranged linearly on the frame 113, and a grid 101 is formed between the cutting wires 112 on the stacked telescopic cutting members 11. The grid 101 is formed by an array of staggered and stacked cutting wires 112, and the grid size of the grid 101 is the size of the tissue to be finally shredded. The telescopic mechanism 111 is used to drive the cutting wire 112 to move back and forth, and has a reciprocating cutting effect to avoid blade jamming and cutting failure. The lifting seat 2 has a lifting end connected to the cutting assembly 1 and is used to drive the cutting assembly 1 to move up and down. The pressing plate 3 is arranged on the lifting seat 2 and is opposite to the cutting assembly 1. During cutting, the lifting seat 2 drives the cutting assembly 1 to move toward the pressing plate 3, places the tissue between the cutting assembly 1 and the pressing plate 3, drives the cutting wire 112 to apply pressure to cut the tissue, and is equipped with a reciprocating drive of the telescopic mechanism 111, so that the cutting wire 112 reciprocates for cutting, which is not prone to blade jamming and cutting failure.

[0032] It can be understood that at least two telescopic cutting members 11 are provided to form the grid 101 under the combination of the cutting wires 112 distributed up and down; if more than two telescopic cutting members 11 are provided, the grid 101 with grid holes of other shapes can be formed by stacking. When the cutting wires 112 on the two telescopic cutting members 11 are at an angle of 90 degrees, the grid holes of the grid 101 are in a square shape; when the cutting wires 112 on the two telescopic cutting members 11 are at an angle of 60 degrees, the grid holes of the grid 101 are in a diamond shape; when the cutting wires 112 on the three telescopic cutting members 11 are at an angle of 60 degrees, the grid holes of the grid 101 can be in a triangular shape.

[0033] In this embodiment, in order to lift the cutting assembly 1 and install the telescopic cutting member 11, the lifting seat 2 includes a base 21, a first hydraulic push rod 22 and a connecting frame 23. The first hydraulic push rod 22 is arranged on the top of the base 21. There are two first hydraulic push rods 22 to make the lifting smooth and reduce the probability of side tilt. The connecting frame 23 is arranged between the telescopic ends of the two first hydraulic push rods 22. The telescopic end of the first hydraulic push rod 22 is located at its bottom, and the cutting wire 112 is located in the area inside the connecting frame 23. The cutting assembly 1 is driven to lift and lower by the extension and contraction of the first hydraulic push rod 22, and the cutting action of pressing on the pressing plate 3 is performed.

[0034] It is understandable that when cutting common tissues that are easy to cut and crush, the cutting wire 112 itself can be used for cutting by pressure; while when cutting umbilical cord tissue, the cutting wire 112 needs to be telescopically pulled to perform reciprocating cutting.

[0035] In this embodiment, in order to drive the cutting wire 112 to extend and retract, and avoid interference with the direction of the twitching and cutting movement of the cutting wire 112, the telescopic mechanism 111 includes a second hydraulic push rod 1111 and a connecting frame 1112. A pair of the second hydraulic push rods 1111 are arranged oppositely at the top of the connecting frame 23. Two second hydraulic push rods 1111 are arranged separately to avoid interference with the cutting channel, so that one is used as the cutting direction and the other is used as the blanking direction in the upper and lower directions. The frame 113 includes two straight rods 1131. The two connecting frames 1112 are respectively connected to the telescopic ends of the two second hydraulic push rods 1111. The two straight rods 1131 are respectively connected to the two connecting frames 1112, leaving space on the other side for another group of straight rods 1131 to extend and retract, avoiding interference of the frame 113 during the extension and retraction. Similarly, when the number of frames 113 increases, the movement interference is avoided in a staggered manner accordingly.

[0036] Furthermore, in order to facilitate the collection of chopped tissue, the pressing plate 3 is located directly above the cutting assembly 1, and the pressing plate 3 is installed on the top of the lifting seat 2. The tissue is placed on the grid 101, pushed upward, and flattened on the pressing plate 3. The tissue is chopped and falls directly downward from the grid holes of the grid 101 for collection. The probability of sticking to the pressing plate 3 is reduced, and the cleaning burden is alleviated.

[0037] It is understandable that the pressing plate 3 is located directly below the cutting assembly 1, which can also achieve the cutting purpose, but it is not convenient to collect the shredded tissue.

[0038] In this embodiment, in order to avoid the cut tissue remaining on the pressing plate 3 after cutting, the tissue chopping device also includes a first flushing component 4, which includes a mounting frame 41 and a first nozzle 42. The mounting frame 41 is arranged at the bottom of the connecting frame 23, and the first nozzle 42 is arranged at the bottom of the mounting frame 41, and the first nozzle 42 is upward toward the cutting component 1. When the grid 101 is attached to the pressing plate 3 for cutting, the first nozzle 42 sprays culture fluid to flush the bottom of the grid 101 and the surface of the pressing plate 3, so as to cause the chopped tissue to fall off therefrom and avoid residue.

[0039] Furthermore, in order to avoid residue on the grid 101, the tissue chopping device also includes a second flushing component 5, which includes an extension frame 51 and a second nozzle 52. The extension frame 51 is arranged on the outside of the pressing plate 3, and the end of the extension frame 51 away from the pressing plate 3 is connected to the second nozzle 52. The second nozzle 52 is downward toward the cutting component 1, and the second nozzle 52 sprays culture fluid to flush downward above the grid 101, clean the grid 101, and flush off the residual tissue.

[0040] Optionally, the inclination angles of the first nozzle 42 and the second nozzle 52 are both 45 degrees, so as to face the grid 101 .

[0041] In this embodiment, in order to facilitate the collection of chopped tissue, the tissue chopping device also includes a material receiving box 6, which is inserted into the inner side of the lifting seat 2 and is located directly below the cutting component 1 for collecting chopped and fallen tissue.

[0042] Furthermore, the length and width of the material receiving box 6 are both greater than the length of the cutting wire 112 to prevent tissue from falling out of the material receiving box.

[0043] It should be noted that the first hydraulic push rod 22 and the second hydraulic push rod 1111 may also adopt other mechanisms with telescopic function.

[0044] The specific working process of the utility model is as follows: the tissue is placed on the grid 101, and the first hydraulic push rod 22 pushes the grid 101 upward to move. When the grid 101 is pressed onto the pressing plate 3, the second hydraulic push rod 1111 reciprocates and extends to drive the cutting wire 112 to reciprocate and cut, so that the cutting wire 112 completely cuts the tissue, and it is not easy to get stuck and the cutting failure. During cutting, the first nozzle 42 is started to spray the culture fluid as a flushing liquid, so that the chopped tissue falls from the pressing plate 3 to the material receiving box 6. After cutting, the grid 101 is lowered and flushed by the second nozzle 52 to avoid tissue residue on the grid 101. After removing the material receiving box 6, a sterilizing disinfectant can also be used as a cleaning liquid to clean and disinfect the pressing plate 3 and the grid 101. If the tissue is thick, the first chopped tissue can be spread on the grid 101 after the first cutting, and a second cutting can be performed to cut it in the thickness direction.

[0045] The entire workflow is completed, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A tissue chopping device, characterized in that: include: A cutting assembly, comprising at least two staggered telescopic cutting members, the telescopic cutting members comprising a telescopic mechanism and cutting wires, a frame being provided at the telescopic end of the telescopic mechanism, a plurality of the cutting wires being arranged linearly on the frame, and a grid being formed between the cutting wires on the stacked telescopic cutting members, the telescopic mechanism being used to drive the cutting wires to move back and forth; A lifting seat, the lifting end of which is connected to the cutting assembly and is used to drive the cutting assembly to move up and down; as well as A pressing plate is arranged on the lifting seat and is opposite to the cutting assembly. The pressing plate is located directly above the cutting assembly and is installed on the top of the lifting seat.

2. The tissue mincing device according to claim 1, characterized in that: The lifting seat comprises a base, a first hydraulic push rod and a connecting frame, wherein the first hydraulic push rod is arranged on the top of the base, and the connecting frame is arranged at the telescopic end of the first hydraulic push rod.

3. The tissue mincing device according to claim 2, characterized in that: The telescopic mechanism includes a second hydraulic push rod and a connecting frame. A pair of the second hydraulic push rods are relatively arranged on the top of the connecting frame. The frame includes two straight rods. The two straight rods are respectively connected to the two connecting frames, and the two connecting frames are respectively connected to the telescopic ends of the two second hydraulic push rods.

4. The tissue mincing device according to claim 3, characterized in that: It also includes a first flushing component, which includes a mounting frame and a first nozzle. The mounting frame is arranged at the bottom of the connecting frame, and the first nozzle is arranged at the bottom of the mounting frame, and the first nozzle is upward toward the cutting component.

5. The tissue mincing device according to claim 4, characterized in that: It also includes a second flushing component, which includes an extension frame and a second nozzle. The extension frame is arranged on the outer side of the pressure plate, and one end of the extension frame away from the pressure plate is connected to the second nozzle, and the second nozzle is downward toward the cutting component.

6. The tissue mincing device according to claim 5, characterized in that: The inclination angles of the first nozzle and the second nozzle are both forty-five degrees.

7. The tissue mincing device according to claim 6, characterized in that: It also includes a material receiving box, which is inserted into the inner side of the lifting seat and is located directly below the cutting assembly.

8. The tissue mincing device according to claim 7, characterized in that: The length and width of the material receiving box are both greater than the length of the cutting wire.

9. The tissue mincing device according to claim 8, characterized in that: The grid holes are in the shape of square, diamond or triangle.

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