CN214040700U - Rabbit brain tissue's location device of drawing materials - Google Patents
Rabbit brain tissue's location device of drawing materials Download PDFInfo
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- CN214040700U CN214040700U CN202023000204.5U CN202023000204U CN214040700U CN 214040700 U CN214040700 U CN 214040700U CN 202023000204 U CN202023000204 U CN 202023000204U CN 214040700 U CN214040700 U CN 214040700U
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Abstract
The utility model discloses a positioning and material drawing device for rabbit brain tissue, which relates to the technical field of animal brain tissue slicing devices and comprises a support frame and a positioning plate, wherein a cutter groove is arranged on the support frame, a cutter cuts off the brain tissue along the cutter groove, the positioning plate is fixed on the support frame through a positioning and adjusting mechanism, the positioning plate slides on the surface of the support frame under the driving of the positioning and adjusting mechanism, and forms a positioning space for containing, positioning and adjusting the brain tissue together with the support frame; the positioning plate is arranged, so that the pressing degree of the human hand on the rabbit brain tissue can be reduced, the brain tissue of the rabbit brain tissue is prevented from being pressed and deformed due to the fact that the strength of the human hand is difficult to control, and the problems of uneven slice thickness and inaccurate slice position occur; and adjust about the locating plate through setting up location guiding mechanism, can change the size in location space, adapt to the rabbit brain tissue of equidimension not, adaptability is stronger.
Description
Technical Field
The utility model relates to an animal brain tissue section technical field especially relates to a rabbit brain tissue's location draw materials device.
Background
At present, with the continuous development of the field of basic medical research, the research of animal histology gradually develops to a deeper level, the requirement on the accuracy of tissue positioning is higher and higher, in recent years, in particular, the research on the brain tissue of experimental animals is paid more attention by researchers, but as the anatomical structure of the brain tissue of animals is complex, the functional regions are numerous, the sensitivity degree is high, a lot of inconvenience is brought to the research work, and especially, the difficulty of the observation and research of fresh brain tissue is higher. In the pathological brain tissue taking process, the brain is usually taken out of the fixing liquid, and a required part is taken out of a material taking plate through a blade, so that the brain tissue slicing process is assisted and fixed by hands, the fixing force of the hands is not easy to master, the brain tissue is excessively deformed due to excessive force, and the slicing level is inaccurate, but no device specially used for positioning and taking the brain tissue is provided so far, such as the invention patent with the application number of 201210128324.4 and the name of ' a device for layering rat brain tissue slices ', the application number of 201610703003.0 ' and the name of ' a device and a method for manufacturing large-section and large-thickness brain tissue slices ', any means for positioning the brain tissue is not adopted during cutting the brain tissue, and the cut brain tissue slices are usually inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rabbit brain tissue's location draw materials device to solve the problem that above-mentioned prior art exists, prevent that rabbit brain tissue from being pressed down the deformation, influence the even degree of section, thereby guarantee the section precision.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a rabbit brain tissue positioning and material drawing device, which comprises a support frame and a positioning plate, wherein a cutter groove is arranged on the support frame, a cutter cuts off the brain tissue along the cutter groove, the positioning plate is fixed on the support frame through a positioning and adjusting mechanism, the positioning plate slides on the surface of the support frame under the driving of the positioning and adjusting mechanism, and a positioning space for accommodating, positioning and adjusting the brain tissue is formed together with the support frame;
the end part of the positioning plate is close to the cutting plane of the cutting knife.
Preferably, the supporting frame comprises a supporting table, two cutting frames are fixed on the supporting table, the supporting table and the two cutting frames form a U-shaped structure, and the two cutting frames are correspondingly provided with the cutter grooves; the positioning adjusting mechanism is fixed on the cutting frames, and the positioning plate slides on the supporting table between the two cutting frames and forms the positioning space with any one of the cutting frames.
Preferably, the bottom of the knife groove is not higher than the upper surface of the support table.
Preferably, the positioning adjusting mechanism comprises an adjusting screw rod with an adjusting nut, two ends of the adjusting screw rod are respectively fixed in the fixing holes of the two cutting frames, and the positioning plate is fixed on the adjusting nut.
Preferably, a fixed bearing is arranged in the fixed hole.
Preferably, the adjusting nut is located at the center of the positioning plate.
Preferably, the support frame is of a U-shaped structure, and a connecting portion is fixed to an end of the U-shaped structure, and the connecting portion is perpendicular to a bottom plate of the U-shaped structure and is close to the knife groove.
Preferably, the two cutting frames are arranged in parallel, the end parts of the two cutting frames and the supporting platform are flush and are fixedly connected through a connecting part, and the connecting part is close to the cutter groove.
Preferably, the connecting part is provided with a placing table top for placing the brain tissue section.
Preferably, the connecting part is 2 mm-4 mm away from the knife groove.
The utility model discloses for prior art gain following technological effect:
1. the positioning plate is arranged, so that the pressing degree of the human hand on the rabbit brain tissue can be reduced, the brain tissue of the rabbit brain tissue is prevented from being pressed and deformed due to the fact that the strength of the human hand is difficult to control, and the problems of uneven slice thickness and inaccurate slice position occur;
2. the utility model can change the size of the positioning space by arranging the positioning adjusting mechanism to adjust the positioning plate left and right, thereby being suitable for the brain tissues of rabbits with different sizes and having stronger adaptability;
3. the utility model uses the ball screw structure as the positioning adjustment structure, has simple structure, lower manufacturing cost and convenient operation, and can improve the slicing efficiency;
4. the utility model discloses connecting portion that sets up at the support frame tip can carry on spacingly to another activity direction of brain tissue, can guarantee that sliced thickness is even when carrying out many times cutting to brain tissue, is convenient for carry out more clearly observation to each layer structure of brain tissue.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
FIG. 3 is a top view of FIG. 2;
wherein, 1, a support frame; 2. positioning a plate; 3. a cutter groove; 4. a cutting knife; 5. positioning a space; 6. a connecting portion; 7. a support table; 8. a cutting frame; 9. adjusting the nut; 10. adjusting the lead screw; 11. placing a table top; 12. And (6) square blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a rabbit brain tissue's location draw materials device to solve the problem that prior art exists, prevent that rabbit brain tissue from being pressed down the deformation, influence the even degree of section, thereby guarantee the section precision.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example 1:
the embodiment provides a rabbit brain tissue positioning and material drawing device, which comprises a support frame 1 and a positioning plate 2, wherein a cutter groove 3 is formed in the support frame 1, a cutter 4 cuts off brain tissue along the cutter groove 3, the positioning plate 2 is fixed on the support frame 1 through a positioning and adjusting mechanism, the positioning plate 2 slides on the surface of the support frame 1 under the driving of the positioning and adjusting mechanism, and a positioning space 5 for accommodating, positioning and adjusting the brain tissue is formed together with the support frame 1; the end of the positioning plate 2 is close to the cutting plane of the cutting knife 4.
During the use, adjust the volume in location space 5 earlier, then put the brain tissue in location space 5, utilize locating plate 2 to fix a position the brain tissue, go to press the rabbit brain tissue gently with the hand, reuse cutting knife 4 along sword groove 3 with the rabbit brain tissue section, cut a slice brain tissue after, promote the rabbit brain tissue forward, section once more, so relapse.
From this, through setting up locating plate 2 in this embodiment, can reduce the degree of pressing of people's hand to rabbit brain tissue, prevent that rabbit brain tissue that leads to because of people's hand dynamics is difficult to control is pressed the deformation, and section thickness is inhomogeneous, the unsafe problem of section position appears to still set up the adjustment about positioning adjustment mechanism carries out locating plate 2, can change the size of location space 5, adapts to the not rabbit brain tissue of equidimension.
It should be noted that, locating plate 2 in this embodiment is when fixing a position rabbit brain tissue, and not utilize locating plate 2 cooperation support frame 1 to compress tightly rabbit brain tissue, but only can play and prevent that brain tissue from producing gliding effect when the section for the staff only need press the brain tissue gently and just can play the fixed action to brain tissue.
As shown in fig. 1, in this embodiment, the supporting frame 1 is a U-shaped structure, a knife slot 3 is formed in 1 vertical plate of the U-shaped structure, the positioning adjustment structure may include a bolt fixed between two vertical plates of the U-shaped structure, two nuts are disposed on the bolt, a positioning plate 2 is disposed between the two nuts, the positioning plate 2 is clamped by the two nuts, and the position of the positioning plate 2 is changed by changing the positions of the two nuts on the bolt, so as to finally change the size of the positioning space 5.
Further, a connecting part 6 is fixed at the end part of the U-shaped structure in the embodiment, and the connecting part 6 is perpendicular to the bottom plate of the U-shaped structure and is close to the knife groove 3; connecting portion 6 that the tip set up can carry on spacingly to another activity direction of brain tissue, can guarantee that sliced thickness is even when carrying out many times the cutting to brain tissue, can carry out more clearly observation to each layer structure of brain tissue, and connecting portion 6 can be a riser in this embodiment.
Example 2:
the difference between the present embodiment and embodiment 1 is that the supporting frame 1 in the present embodiment includes a supporting table 7, two cutting frames 8 are fixed on the supporting table 7, the supporting table 7 and the two cutting frames 8 form a U-shaped structure, and the two cutting frames 8 are correspondingly provided with knife grooves 3, as shown in fig. 2 to 3; furthermore, two vertical plates of the U-shaped structure are fixed on two sides of the bottom plate through bolts, and the bottom of the cutter groove 3 is not higher than the upper surface of the supporting table 7, so that the brain tissue is convenient to cut off during cutting.
The positioning adjusting mechanism in this embodiment includes an adjusting screw 10 with an adjusting nut 9, the two ends of the adjusting screw 10 are respectively fixed in the fixing holes of two cutting frames 8, a fixing bearing is arranged in the fixing hole, a positioning plate 2 is fixed on the adjusting nut 9, the positioning plate 2 and any cutting frame 8 form a positioning space 5, and the two cutting frames 8 are arranged in parallel, the end parallel and level of the two cutting frames 8 and the supporting table 7 are connected and fixed through a connecting part 6, and the connecting part 6 is close to the knife groove 3.
When the rabbit brain tissue cutting device is used, the adjusting screw rod 10 is rotated, the positioning plate 2 moves rightwards (leftwards or rightwards and can be adjusted, in the structure shown in the figure, because the adjusting nut 9 is arranged on the left side of the positioning plate 2, brain tissue is placed on the left side of the positioning plate 2 in the embodiment, the positioning plate 2 moves rightwards to enlarge the volume of the positioning space 5, when the space between the positioning plate 2 and the cutting frame 8 can contain the rabbit brain tissue, the rotation is stopped, the rabbit brain tissue is placed between the positioning plate 2 and the cutting frame 8, the top end of the rabbit brain tissue is contacted with the wall surface of the connecting part 6, then the adjusting screw rod 10 is reversed, the rabbit brain tissue is positioned by using the positioning plate 2, the rabbit brain tissue is lightly pressed by hands, then the rabbit brain tissue is sliced by using the cutting knife 4 along the knife groove 3, after a piece of brain tissue is cut, the rabbit brain tissue is pushed forwards, the section is tightly attached to the wall surface of the connecting part 6, cutting the slices again, and repeating the steps.
Utilize ball structure as the positioning adjustment structure in this embodiment, simple structure, manufacturing cost is lower to convenient operation can improve section efficiency.
Furthermore, in the present embodiment, there is no gap between the positioning plate 2 and the upper surface of the supporting table 7 for trapping the brain tissue, so as to prevent the brain tissue from being deformed when being stuck into the gap.
Further, in order to facilitate the preliminary observation of the brain tissue slice, the connecting portion 6 in this embodiment has a placing table 11 for placing the brain tissue slice, and the connecting portion 6 may be a square block 12.
Further, in this embodiment, the distance between the connecting portion 6 and the knife slot is 32mm to 4mm, and the specific size can be selected according to the actual requirement of a person skilled in the art.
The adaptability that carries out according to actual demand all is in the protection scope of the utility model.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A rabbit brain tissue positioning and material drawing device is characterized by comprising a support frame and a positioning plate, wherein a cutter groove is formed in the support frame, a cutter cuts off brain tissue along the cutter groove, the positioning plate is fixed on the support frame through a positioning adjusting mechanism, the positioning plate slides on the surface of the support frame under the driving of the positioning adjusting mechanism, and a positioning space used for containing, positioning and adjusting the brain tissue is formed by the positioning plate and the support frame;
the end part of the positioning plate is close to the cutting plane of the cutting knife.
2. The rabbit brain tissue positioning and sampling device according to claim 1, wherein the support frame comprises a support table, two cutting frames are fixed on the support table, the support table and the two cutting frames form a U-shaped structure, and the two cutting frames are correspondingly provided with the cutter grooves; the positioning adjusting mechanism is fixed on the cutting frames, and the positioning plate slides on the supporting table between the two cutting frames and forms the positioning space with any one of the cutting frames.
3. The rabbit brain tissue positioning and sampling device according to claim 2, wherein the bottom of the cutter groove is not higher than the upper surface of the support platform.
4. The rabbit brain tissue positioning and sampling device according to claim 2 or 3, wherein the positioning and adjusting mechanism comprises an adjusting screw rod with an adjusting nut, two ends of the adjusting screw rod are respectively fixed in the fixing holes of the two cutting frames, and the positioning plate is fixed on the adjusting nut.
5. The rabbit brain tissue positioning and sampling device according to claim 4, wherein a fixing bearing is arranged in the fixing hole.
6. The rabbit brain tissue positioning and sampling device according to claim 4, wherein the adjusting nut is located at the center of the positioning plate.
7. The rabbit brain tissue positioning and sampling device according to claim 1, wherein the support frame is of a U-shaped structure, and a connecting part is fixed at the end of the U-shaped structure, and is perpendicular to the bottom plate of the U-shaped structure and close to the cutter groove.
8. The rabbit brain tissue positioning and sampling device according to claim 2, wherein the two cutting frames are arranged in parallel, the ends of the two cutting frames and the supporting platform are flush and fixed through a connecting part, and the connecting part is close to the cutter groove.
9. The rabbit brain tissue positioning and sampling device according to claim 7 or 8, wherein the connecting part has a placing table for placing the section of the brain tissue.
10. The rabbit brain tissue positioning and sampling device according to claim 7 or 8, wherein the distance between the connecting part and the knife groove is 2-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000204.5U CN214040700U (en) | 2020-12-14 | 2020-12-14 | Rabbit brain tissue's location device of drawing materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000204.5U CN214040700U (en) | 2020-12-14 | 2020-12-14 | Rabbit brain tissue's location device of drawing materials |
Publications (1)
| Publication Number | Publication Date |
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| CN214040700U true CN214040700U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023000204.5U Active CN214040700U (en) | 2020-12-14 | 2020-12-14 | Rabbit brain tissue's location device of drawing materials |
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| CN (1) | CN214040700U (en) |
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