CN213076067U - Experimental body fixing device - Google Patents
Experimental body fixing device Download PDFInfo
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- CN213076067U CN213076067U CN202021348988.8U CN202021348988U CN213076067U CN 213076067 U CN213076067 U CN 213076067U CN 202021348988 U CN202021348988 U CN 202021348988U CN 213076067 U CN213076067 U CN 213076067U
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Abstract
The utility model provides an experimental body fixing device, include: a base plate; the experimental body placing tray is fixed on the upper surface of the bottom plate; the adjustable clamping mechanism is arranged on at least one side of the front end of the experimental body placing tray and comprises a base, a height adjusting column and a clamping block, the base is fixed on the upper surface of the bottom plate, the height adjusting column is longitudinally installed on a threaded hole in the center of the base in a threaded mode, one end of the clamping block is fixed at the top end of the height adjusting column, and the other end of the clamping block is located right above the experimental body placing tray and clamps a titanium alloy ring; the compressing wing plates are installed on two sides of the middle of the bottom plate, one ends of the compressing wing plates are horizontally and rotatably connected with the bottom plate, and adjusting holes are formed in the compressing wing plates and provided with compressing bolts. The utility model has the advantages that: the titanium alloy ring is light in weight, good in biocompatibility and suitable for long-time experiments; the clamping mechanism can be adjusted in multiple shafts, and operators can adjust the position of the titanium alloy ring conveniently.
Description
Technical Field
The utility model relates to a relevant research field of neuroscience, concretely relates to experimental body fixing device.
Background
In the field of neuroscience-related research, mice are generally used as research objects, and craniotomy of experimental animals is a very common experiment and comprises virus injection, drug injection, cannula implantation, electrode implantation, electrophysiological recording of brain damage, electrical stimulation, light stimulation and the like. However, these experiments basically require that the mice are firmly fixed and the brain area is positioned, and if the mice are not firmly fixed, the dura mater of the mice can be ruptured, and even the brain tissue is damaged to cause the death of the mice.
SUMMERY OF THE UTILITY MODEL
The utility model provides an experimental body fixing device, experimental body fixing device includes:
a base plate;
the experimental body placing tray is fixed on the upper surface of the bottom plate;
the adjustable clamping mechanism is arranged on at least one side of the front end of the experimental body placing tray and comprises a base, a height adjusting column and a clamping block, the base is fixed on the upper surface of the bottom plate, the height adjusting column is longitudinally installed on a threaded hole in the center of the base in a threaded mode, one end of the clamping block is fixed at the top end of the height adjusting column, and the other end of the clamping block is located right above the experimental body placing tray and clamps a titanium alloy ring;
the pressing wing plates are installed on two sides of the middle of the bottom plate, one ends of the pressing wing plates are horizontally and rotatably connected with the bottom plate, and adjusting holes are formed in the pressing wing plates and provided with pressing bolts.
Furthermore, the experimental body placing tray is a long-strip-shaped U-shaped plate, and a plurality of through holes are formed in the rear side of the U-shaped plate.
Furthermore, a tray front support and a tray rear support which are used for supporting and fixing the experimental body placing tray are arranged on the front side and the rear side of the upper surface of the bottom plate.
Furthermore, the experimental body fixing device is provided with two groups of adjustable clamping mechanisms which are arranged on two sides of the experimental body placing tray, and the two groups of adjustable clamping mechanisms clamp the titanium alloy ring in the middle;
and clamping sheets extending outwards are arranged on two sides of the titanium alloy ring.
Furthermore, the upper surface of the base is provided with angle scales surrounding the threaded hole.
Furthermore, the clamping block consists of an upper clamping block and a lower clamping block, and the upper clamping block is fixed on the lower clamping block through a clamping block compression bolt; or
The upper clamping block is rotatably connected with the lower clamping block, and a torsion spring is arranged between the upper clamping block and the lower clamping block.
Furthermore, a pressing block fastening bolt is arranged at the top of the height adjusting column and penetrates through a waist-shaped hole formed in one end of the lower clamping block so as to fix the clamping block on the height adjusting column;
waist shape hole length direction is unanimous with clamp splice length direction down, and clamp splice upper surface is equipped with down follows waist shape hole length direction distributes the length scale.
Furthermore, the adjusting hole is a long strip waist-shaped hole, and the compression bolt slides in the adjusting hole; or
The adjusting holes are a plurality of positioning holes which are distributed on the pressing wing plate at equal intervals.
The utility model discloses simple structure adopts the titanium alloy circle to compress tightly on experimental mice skull in order to accomplish experimental mice's fixed. The titanium alloy ring is light in weight, good in biocompatibility and suitable for long-time experiments. Simultaneously the utility model discloses a fixture can carry out the multiaxis and adjust, levels the cranium to mouse head angle accurately and adjusts.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a front perspective view of an experimental body fixing device according to an embodiment of the present invention;
FIG. 2 is a rear perspective view of FIG. 1;
FIG. 3 is a perspective view of a single-sided adjustable clamping mechanism.
Description of reference numerals: 1-a bottom plate; 2-a tray front support; 20-an adjustable clamping mechanism; 3-a base; 4-a height-adjusting column; 5-lower clamping block; 6-mounting a clamping block; 7-pressing wing plates; 8-a hold-down bolt; 9-a tray rear base; 10-experimental body placing tray; 11-wing plate mounting screws; 12-a press block fastening bolt; 13-a left base; 14-clamp block hold-down bolts; 15-titanium alloy ring; 16-a via hole; 17-a conditioning aperture; 18-kidney shaped hole.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
The utility model provides an experimental body fixing device, as shown in fig. 1-2, the experimental body fixing device mainly comprises bottom plate 1, experimental body placing tray 10, adjustable fixture 20 and compress tightly pterygoid lamina 7.
The experimental body placing tray 10 is fixed on the upper surface of the base plate 1. Adjustable fixture 20 sets up and places at least one side of tray 10 front end at the experimental body, and adjustable fixture 20 includes base 3, altitude mixture control post 4 and clamp splice, and base 3 is fixed at bottom plate 1 upper surface, and altitude mixture control post 4 vertically installs on the screw hole at base 3 center with the screw thread mode, and clamp splice one end is fixed on altitude mixture control post 4 top, and the other end is located the experimental body and places tray 10 directly over and the centre gripping has titanium alloy circle 15. The pressing wing plates 7 are installed on two sides of the middle of the bottom plate 1, one ends of the pressing wing plates 7 are horizontally and rotatably connected with the bottom plate 1 through wing plate installation screws 11, and adjusting holes 17 are formed in the pressing wing plates 7 and are provided with pressing bolts 8.
When the device is used, the bottom plate 1 is firstly pressed on any workbench with a threaded hole through the pressing bolt 8 on the pressing wing plate 7, so that the experimental operation of experimental animals is facilitated. We then place the test body in the test body placement tray 10, and the titanium alloy ring 15 is held and fixed by the adjustable holding mechanism 20. In order to ensure the fixing effect, the height of the clamping block can be adjusted through the height adjusting column 4, and the clamping block is rotated to a proper angle, so that the optimal fixing effect is achieved. Finally, the titanium alloy ring 15 is bonded on the skull of the experimental mouse by dental cement to complete the fixation of the experimental mouse. The titanium alloy ring 15 is light in weight, good in biocompatibility and suitable for long-time experiments, and the experimental mice for experimental tests are still firm as before after being installed for half a year, so that high-precision imaging experiments can be performed. Simultaneously the utility model discloses a fixture can adjust convenient and practical.
In an alternative embodiment, the specimen holding tray 10 is a long strip-shaped U-shaped plate, and a plurality of through holes 16 are formed at the rear side of the U-shaped plate for disposing the excreta of the laboratory animal. Support 2 and tray rear support 9 before the tray that is used for the bearing and fixes the experimental body and places tray 10 are provided with in both sides around bottom plate 1 upper surface for bed hedgehopping experimental body places tray 10 and makes things convenient for the outflow of excreting the way, wherein the experimental body places tray 10 and passes through support 2, tray rear support 9 fixed connection before screw and tray.
In an alternative embodiment, the experimental body fixing device is provided with two sets of adjustable clamping mechanisms 20 which are respectively arranged at two sides of the experimental body placing tray 10, the two sets of adjustable clamping mechanisms 20 clamp the titanium alloy ring 15 in the middle, and in order to enable the adjustable clamping mechanisms 20 to better clamp the titanium alloy ring 15, clamping sheets which extend outwards are arranged at two sides of the titanium alloy ring 15.
In an alternative embodiment, the upper surface of the base 3 is provided with an angle scale around the central threaded hole, which facilitates the observation and recording of the rotation angle of the pressing plate.
In an alternative embodiment, shown in fig. 3, the clamp blocks are formed of an upper clamp block 6 and a lower clamp block 5, the upper clamp block 6 being secured to the lower clamp block 5 by clamp block hold down bolts 14. In another embodiment, the upper clamping block 6 is rotatably connected with the lower clamping block 5 and a torsion spring (similar to a clothes-horse) is arranged between the upper clamping block 6 and the lower clamping block 5. In an alternative embodiment, a press block fastening bolt 12 is arranged at the top of the height adjusting column 4, the press block fastening bolt 12 penetrates through a waist-shaped hole 18 arranged at one end of the lower clamping block 5 to fix the clamping block on the height adjusting column 4, and the left and right extension lengths of the clamping block can be adjusted through the waist-shaped hole 18 to adjust the position of the titanium alloy ring 15. The length scales are designed on the upper surface of the lower clamping block 5, so that the extension length can be conveniently observed and recorded.
In an alternative embodiment, the adjustment hole 17 of the compression wing 7 is an elongated waist-shaped hole, and the compression bolt 8 slides in the adjustment hole 17. In another embodiment, the adjusting holes 17 are a plurality of positioning holes distributed on the pressing wing plate 7 at equal intervals. Because the screw hole position on the different work benches is probably different, if the unable adjusting position of the clamp bolt 8 on the pressure wing board 7 is facing so the utility model discloses an embarrassment that the structure can not be fixed, the utility model adopts the above structure, by the horizontal rotation that compresses tightly wing board 7 and change the clamp bolt 8 of position in the adjusting hole 17, can with the utility model discloses assemble in different work benches.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (8)
1. An experimental body fixing device, characterized in that, experimental body fixing device includes:
a base plate (1);
the experimental body placing tray (10) is fixed on the upper surface of the bottom plate (1);
the adjustable clamping mechanism (20) is arranged on at least one side of the front end of the experimental body placing tray (10), the adjustable clamping mechanism (20) comprises a base (3), a height adjusting column (4) and a clamping block, the base (3) is fixed on the upper surface of the base plate (1), the height adjusting column (4) is longitudinally installed on a threaded hole in the center of the base (3) in a threaded mode, one end of the clamping block is fixed at the top end of the height adjusting column (4), and the other end of the clamping block is located right above the experimental body placing tray (10) and clamps a titanium alloy ring (15);
compress tightly pterygoid lamina (7), install the middle part both sides of bottom plate (1), compress tightly pterygoid lamina (7) one end with bottom plate (1) level is rotated and is connected compress tightly pterygoid lamina (7) and be provided with regulation hole (17) and dispose compression bolt (8).
2. The specimen holding apparatus according to claim 1, wherein the specimen-placing tray (10) is an elongated U-shaped plate having a plurality of through holes formed in a rear side thereof.
3. The specimen holding apparatus according to claim 2, wherein a tray front support (2) and a tray rear support (9) for supporting and holding the specimen placement tray (10) are provided on both front and rear sides of the upper surface of the base plate (1).
4. The specimen holding apparatus according to claim 1, wherein the specimen holding apparatus is provided with two sets of adjustable holding mechanisms (20) arranged on both sides of the specimen placing tray (10), the two sets of adjustable holding mechanisms (20) holding the titanium alloy ring (15) in the middle;
and clamping sheets extending outwards are arranged on two sides of the titanium alloy ring (15).
5. The specimen holding device according to claim 4, wherein the upper surface of the base (3) is provided with an angle scale around the threaded hole.
6. The specimen holding apparatus according to claim 4, wherein the block is composed of an upper block (6) and a lower block (5), the upper block (6) being fixed to the lower block (5) by a block hold-down bolt (14); or
The upper clamping block (6) is rotationally connected with the lower clamping block (5), and a torsion spring is arranged between the upper clamping block (6) and the lower clamping block (5).
7. The specimen fixing device according to claim 6, wherein a press block fastening bolt (12) is provided at the top of the height adjusting column (4), the press block fastening bolt (12) passes through a kidney-shaped hole (18) provided at one end of the lower clamping block (5) to fix the clamping block to the height adjusting column (4),
waist shape hole (18) length direction is unanimous with clamp splice (5) length direction down, and clamp splice (5) upper surface is equipped with down along waist shape hole (18) length direction distribution length scale.
8. The specimen holding apparatus according to claim 1, wherein the adjustment hole (17) is an elongated waist-shaped hole, and the pressing bolt (8) slides in the adjustment hole (17); or
The adjusting holes (17) are a plurality of positioning holes which are distributed on the pressing wing plate (7) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348988.8U CN213076067U (en) | 2020-07-10 | 2020-07-10 | Experimental body fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348988.8U CN213076067U (en) | 2020-07-10 | 2020-07-10 | Experimental body fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213076067U true CN213076067U (en) | 2021-04-30 |
Family
ID=75623973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021348988.8U Active CN213076067U (en) | 2020-07-10 | 2020-07-10 | Experimental body fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213076067U (en) |
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2020
- 2020-07-10 CN CN202021348988.8U patent/CN213076067U/en active Active
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