CN220477690U - Adjustable operating table for rat and mouse stereotaxic apparatus - Google Patents

Abstract

The utility model discloses an adjustable operation table suitable for a rat brain stereotactic instrument, which comprises a base, wherein a tooth hook is arranged in the middle of one side of the upper end surface of the base, a moving mechanism is arranged at the lower end of the base, two ear rods are arranged above the moving mechanism, fixed plates are arranged at the front and rear parts of the base below the two ear rods, moving grooves are arranged in the fixed plates, sliding blocks are arranged in the moving grooves in a sliding manner, an elastic belt is arranged at the upper end of one sliding block, and a fixing mechanism is arranged at the upper end of the other sliding block. According to the utility model, the moving mechanism is arranged, the handle in the moving mechanism drives the rotary table to rotate, and the rotary table drives the two thread blocks to move relatively through the first screw rod, so that the simultaneous movement of the two ear rods can be realized, the same scale on the ear rods can be kept, multiple times of adjustment is not needed, and the fixing efficiency of the mice is improved.

Description

Adjustable operating table for rat and mouse stereotaxic apparatus

Technical field

The utility model relates to the technical field of stereotaxic instruments for the brain, and is specifically an adjustable operating table suitable for stereotaxic instruments for the brains of rats and mice.

Background technique

The brain stereotaxic instrument, also known as the brain fixation device, uses a three-dimensional coordinate system specified by landmarks or other reference points on the outside of the skull to determine the position of certain neural structures under the cortex so that they can be examined under non-direct vision exposure. Research on directional stimulation, destruction, drug injection, guided potential, etc.

At present, when using a stereotaxic instrument, incisor hooks and ear rods are generally used to fix the incisors and ear canals of rats and mice. When using ear rods to fix the ear canals, in order to ensure the fixed position of the heads of rats and mice, To make the scale numbers on the two ear bars the same, it is necessary to rotate the two ear bars multiple times, which takes a long time. The fixation efficiency for rats and mice is low, and when fixing, only The heads of the rats and mice were fixed, but the bodies were not fixed. During the experiment, the normal conduct of the experiment may be affected due to loosening of the fixation.

Utility model content

The purpose of this utility model is to provide an adjustable operating platform suitable for a stereotaxic apparatus for rats and mice, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: an adjustable operating table suitable for a stereotaxic instrument for rats and mice, including a base. An incisor hook is installed in the middle of one side of the upper surface of the base, and an incisor hook is installed at the lower end of the base. There is a moving mechanism. Two ear bars are installed above the moving mechanism. Fixed plates are installed on the front and rear of the base below the two ear bars. Moving grooves are arranged inside the fixed plates. There are moving grooves inside the moving grooves. Sliders are slidably installed, an elastic band is installed on the upper end of one slider, and a fixing mechanism is installed on the upper end of the other slider.

Preferably, the moving mechanism includes a screw rod, a threaded block, a connecting rod, a turntable, a handle and a mounting plate. Mounting plates are installed at the front and rear of the lower end of the base, and a screw rod is installed between the mounting plates. Threads are symmetrically arranged on both sides of a surface of the screw rod, and threaded blocks are threaded on both sides of a surface of the screw rod. The two ear rods are respectively installed above the threaded blocks. A front end of the screw rod penetrates the installation plate and is installed There is a connecting rod, a turntable is installed at the front end of the connecting rod, and a handle is installed on the surface of the turntable.

Preferably, a sliding groove is arranged on the upper surface of the base above the threaded block, a connecting block is installed on the upper end of the threaded block inside the sliding groove, and the two ear rods are respectively installed on the upper end of the connecting block.

Preferably, the fixing mechanism includes a fixing frame, a fixing screw, a knob and a pressure plate. A fixing frame is installed on the upper end of the other slider. A fixing screw is threadedly connected to the fixing frame through a screw hole. The lower end of the fixing screw is A pressure plate is rotatably connected, and a knob is installed on the upper end of the fixing screw.

Preferably, the surface of the knob is provided with knurling.

Preferably, four supporting columns are arranged in a rectangular array at the lower end of the base, and the lower ends of the supporting columns are lower than the lowermost end of the turntable.

Compared with the existing technology, the beneficial effects of this utility model are:

1. This adjustable console is suitable for rat and mouse brain stereotaxic instruments. By setting up a moving mechanism, the handle in the moving mechanism drives the turntable to rotate. The turntable drives two threaded blocks to move relative to each other through the screw rod, so that two ear rods can be realized. can move at the same time and keep the scale on the ear rod the same, eliminating the need for multiple adjustments and improving the fixation efficiency of rats and mice.

2. This adjustable console is suitable for rat and mouse brain stereotaxic instruments. Elastic straps are installed on the bottom plate, and the elastic straps are used to bind the bodies of rats and mice to achieve fixation of the bodies of rats and mice, so as to prevent loose fixation from affecting the experiment. It is carried out normally, and a fixing mechanism is set up to adjust the length of the elastic band according to the size of mice and rats.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a side cross-sectional view of the utility model;

Figure 3 is a partial structural diagram of the utility model.

In the picture: 1. Base; 2. Incisor hook; 4. Ear rod; 5. Fixed plate; 6. Moving groove; 7. Slider; 8. Sliding groove; 9. Connecting block; 10. Support column; 11. Elasticity Belt; 301, screw one; 302, threaded block; 303, connecting rod; 304, turntable; 305, handle; 306, mounting plate; 801, fixed frame; 802, fixed screw; 803, knob; 804, pressure plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" The orientation or positional relationship indicated by "" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation. Specific orientation construction and operation should not be construed as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise explicitly stipulated and limited, the terms "installed", "disposed with", "connected", etc. should be understood in a broad sense. For example, "connected" can be fixed The connection may be a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium; it may be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1 to 3, this embodiment is suitable for an adjustable operating table of a stereotaxic instrument for rats and mice. It includes a base 1. An incisor hook 2 is installed in the middle of one side of the upper surface of the base 1. The incisor hook 2 is used to adjust the size of the brain. The incisors of the mouse are fixed, and a moving mechanism is installed at the lower end of the base 1. The moving mechanism is used to drive two ear bars 4 to move simultaneously. Two ear bars 4 are installed above the moving mechanism. The ear bars 4 are used to open the ear canals of large mice. For fixation, fixed plates 5 are installed on the front and rear of the base 1 under the two ear bars 4. Moving grooves 6 are arranged inside the fixed plates 5, and sliders 7 are slidably installed inside the moving grooves 6. The sliders 7 are used for fixing. The position of the elastic band 11 is adjusted to facilitate the adjustment of the position of the elastic band 11 according to the size of the rats and mice. An elastic band 11 is installed on the upper end of one slider 7. The elastic band 11 is used to fix the body of the rats and mice, and the other slider 7 A fixing mechanism is installed on the upper end of 7, and the fixing mechanism is used to fix the other end of the elastic band 11.

Specifically, the moving mechanism includes a screw rod 301, a threaded block 302, a connecting rod 303, a turntable 304, a handle 305 and a mounting plate 306. Mounting plates 306 are installed on the front and rear of the lower end of the base 1, and screw rods are installed between the mounting plates 306. 1 301, the screw rod 301 has threads symmetrically arranged on both sides of the surface, the screw rod 301 has threaded blocks 302 on both sides of the surface, the two ear rods 4 are respectively installed above the thread block 302, the front end of the screw rod 301 penetrates the installation plate 306 , and a connecting rod 303 is installed. A turntable 304 is installed at the front end of the connecting rod 303. A handle 305 is installed on the surface of the turntable 304. The thread pattern on the surface of the screw rod 301 is opposite to realize the relative movement of the two threaded blocks 302, which is driven by turning the handle 305. The turntable 304 rotates, and the turntable 304 drives the two threaded blocks 302 to move relative to each other through the screw rod 301, which can realize the simultaneous movement of the two ear bars 4, and can keep the scale on the ear bars 4 the same, without the need for multiple adjustments, effectively improving the accuracy of the adjustment. Head fixation efficiency in rats and mice.

Further, a sliding groove 8 is arranged on the upper surface of the base 1 above the threaded block 302. The upper ends of the threaded blocks 302 inside the sliding groove 8 are equipped with connecting blocks 9. Two ear rods 4 are respectively installed on the upper ends of the connecting blocks 9. The threaded blocks 302 When moving, the threaded block 302 drives the connecting block 9 to move inside the sliding groove 8, playing a guiding role.

Further, the fixing mechanism includes a fixing frame 801, a fixing screw 802, a knob 803 and a pressure plate 804. A fixing frame 801 is installed on the upper end of the other slider 7, and a fixing screw 802 is threadedly connected to the fixing frame 801 through a screw hole. The fixing screw 802 A pressure plate 804 is rotatably connected to the lower end, and a knob 803 is installed at the upper end of the fixed screw rod 802. By rotating the knob 803, the knob 803 drives the pressure plate 804 to move through the fixed screw rod 802, so that the pressure plate 804 fixes the other end of the elastic band 11, so as to facilitate the movement of the elastic band 11 according to the needs of rats and mice. Adjust the length of the elastic band 11 according to your body shape, and the fixation effect is good for mice and rats.

Furthermore, the surface of the knob 803 is provided with knurling. The arrangement of the knurling increases the roughness between the fingers and the surface of the knob 803, effectively preventing slippage when the knob 803 is rotated.

Furthermore, four support columns 10 are arranged in a rectangular array at the lower end of the base 1. The support columns 10 are used to support the base 1. The lower ends of the support columns 10 are lower than the lower end of the turntable 304 to achieve normal rotation of the turntable 304.

The usage method of this embodiment is as follows: during use, use the incisor hook 2 to fix the incisors of rats and mice, and then rotate the handle 305. The handle 305 drives the turntable 304 to rotate, and the turntable 304 drives the two threaded blocks 302 to face each other through the screw rod 301. By moving, the two ear bars 4 can be moved at the same time. The two ear bars 4 can be inserted into the ear canal of the rat or mouse to fix the head of the rat or mouse, and then the two sliders 7 can be moved according to the size of the rat or rat. The slider 7 drives the elastic band 11 to move, and uses the elastic band 11 to fix the bodies of the rats and mice. At the same time, the knob 803 drives the pressure plate 804 to move, and the length of the elastic band 11 can be adjusted to facilitate the adjustment of the elastic band according to the size of the rats and mice. 11 in length, and then conduct experiments on rats and mice. After the experiment is completed, remove the rats and mice.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an operation panel with adjustable be applicable to big mouse brain stereotactic appearance, includes base (1), its characterized in that: the novel portable electronic device is characterized in that a tooth hook (2) is arranged in the middle of one side of the upper end surface of the base (1), a moving mechanism is arranged at the lower end of the base (1), two ear rods (4) are arranged above the moving mechanism, fixing plates (5) are arranged at the front and rear parts of the base (1) below the ear rods (4), moving grooves (6) are formed in the fixing plates (5), sliding blocks (7) are slidably arranged in the moving grooves (6), elastic belts (11) are arranged at the upper ends of the sliding blocks (7), and fixing mechanisms are arranged at the upper ends of the sliding blocks (7).

2. The adjustable console for a rat brain stereotactic apparatus according to claim 1, wherein: the moving mechanism comprises a first screw rod (301), thread blocks (302), a connecting rod (303), a rotary table (304), a handle (305) and a mounting plate (306), wherein the mounting plate (306) is mounted at the front and rear parts of the lower end of the base (1), the first screw rod (301) is mounted between the mounting plates (306), threads are symmetrically arranged on two sides of the surface of the first screw rod (301), the thread blocks (302) are connected with two sides of the surface of the first screw rod (301) in a threaded manner, the two lug rods (4) are mounted above the thread blocks (302) respectively, the front end of the first screw rod (301) penetrates through the mounting plate (306), the connecting rod (303) is mounted at the front end of the connecting rod (303), and the rotary table (304) is mounted on the surface of the rotary table (304).

3. The adjustable console for a rat brain stereotactic apparatus according to claim 2, wherein: the sliding groove (8) is distributed on the surface of the upper end of the base (1) above the threaded block (302), the connecting blocks (9) are all installed at the upper ends of the threaded blocks (302) inside the sliding groove (8), and the two lug rods (4) are respectively installed at the upper ends of the connecting blocks (9).

4. The adjustable console for a rat brain stereotactic apparatus according to claim 1, wherein: the fixing mechanism comprises a fixing frame (801), a fixing screw (802), a knob (803) and a pressing plate (804), wherein the fixing frame (801) is installed at the upper end of the sliding block (7), the fixing frame (801) is connected with the fixing screw (802) through screw threads, the pressing plate (804) is rotatably connected to the lower end of the fixing screw (802), and the knob (803) is installed at the upper end of the fixing screw (802).

5. The adjustable console for a rat brain stereotactic apparatus according to claim 4, wherein: the surface of the knob (803) is provided with knurling.

6. The adjustable console for a rat brain stereotactic apparatus according to claim 2, wherein: four support columns (10) are distributed at the lower end of the base (1) in a rectangular array, and the lower ends of the support columns (10) are lower than the lowest end of the turntable (304).