CN201131816Y - Multifunctional experimental operation platform - Google Patents

Abstract

The utility model relates to a multifunctional experimental operation platform, which is used for fixing animals in experiments such as operation, nuclear magnetic resonance and CT of experimental animals. The utility model comprises a fixing plate, a column (2) made of engineering plastics, an ear bar (3), a column (4) and a tooth ring (5) for fixing animal teeth. Two first grooves (11) are arranged on the right end of the fixing plate (1), and a column (2) for fixing the animal head is fixed in each first groove (11). The position of the column (2) can move up and down relative to the fixed plate, and an ear bar (3) capable of moving relative to the column (2) is arranged on the top of each column (2). An upright post (4) is arranged at the center positions of the front ends of the two first grooves (11), and a fixed animal tooth ring (5) is arranged on the top of the fixed tooth upright post (4). This experimental platform can realize stable fixation and precise positioning of animals, so as to facilitate the undistorted observation of various experimental indicators.

Description

Multifunctional experimental operation platform

technical field

The utility model relates to a multifunctional experimental operation platform, which is used for fixing animals in experimental researches such as operation of experimental animals, stereotaxic drug administration, PET, nuclear magnetic resonance, CT, electrophysiological detection and the like.

Background technique

At present, the animal operating table commonly used in scientific research has a simple structure, and the animal is not fixed and unstable, so it is impossible to realize the precise positioning of the animal; various surgical operations, different routes of drug administration and various physiological tests cannot be realized on the same platform; The operating table is mostly made of metal materials, which seriously interferes with the experiment when performing imaging tests such as PET, nuclear magnetic resonance, and CT, and affects the accuracy and scientificity of the experimental results. For example, currently immobilized experimental rats usually use a 20×30cm ² , 1cm thick wooden board with different numbers of iron nails at a certain distance around it to bind the limbs of the animal, and a cotton rope across the head of the wooden board as a fixation. Animal incisors are often not fixed securely, positioned inaccurately, and electrophysiological and imaging tests cannot be completed.

Utility model content

The purpose of the utility model is to overcome the above-mentioned defects of the existing operating platform and provide a multifunctional experimental operating platform. When different experimental animals are used to complete various surgical operations, different routes of drug administration, PET, nuclear magnetic resonance, CT, electrophysiological detection and other experimental operations, this experimental table can realize stable fixation and precise positioning of animals, so as to facilitate various experiments The undistorted observation of indicators creates a good operating platform for experiments.

In order to achieve the above object, the utility model adopts the following technical solutions. The utility model comprises a fixing plate, a column for fixing the animal head made of engineering plastics, an ear bar for fixing the animal head, a column for fixing the animal teeth and a tooth ring for fixing the animal teeth. The fixing plate is a fixing plate made of engineering plastics, and a fixing screw for fixing the animal legs is arranged on the left end of the fixing plate. Wherein, two first grooves are arranged symmetrically along the center line on the right end of the fixing plate, and a column for fixing the animal head is fixed in each first groove, and the position of the column for fixing the animal head can be up and down relative to the fixing plate. To adjust, move left and right along the first groove. The position of the column for fixing the animal head can move up and down relative to the fixed plate, and the ear bar for fixing the animal head that can move relative to the column for fixing the animal head is provided at the top of each column for fixing the animal head. A fixed animal tooth column that can move up and down relative to the fixed plate is provided at the front center of the two first grooves, and a fixed animal tooth ring that can move relative to the fixed tooth column is provided at the top of the fixed tooth column.

Between the column for fixing the head of the animal and the column for fixing the teeth of the animal, there are two animal upper jaw fixed columns that can be adjusted up and down relative to the fixed plate and fixedly connected with the fixed plate, and the animal upper jaw fixed rod passes through the two animal upper jaws The top of the column.

A second groove for placing a scale is also provided between the two first grooves, and the scale can be used to measure the size of the head of the animal in the experiment.

This experimental bench is suitable for fixing rats, rabbits, cats, monkeys, dogs, sheep, pigs, etc. Compared with the existing experimental benches, it has the following advantages:

1) The design is scientific and reasonable, the principle is simple, easy to replicate, the animal is firmly fixed, no loosening occurs, and the practicability is high.

2) Considering that CT, MRI, PET, etc. are often used in experiments to observe animals, each part of this experimental platform is made of high-strength engineering plastics, so the animal operating platform is non-magnetic and does not cause image artifacts.

3) Since the height of each upright column of the experimental bench is adjustable, it is suitable for fixing animals of different sizes and is widely used. Because this experimental table can fix different parts of the animal's head, this experimental table can meet the needs of various operations, and can meet the operation training of various types of operations in various hospitals. It is not only suitable for bone and craniotomy operations, but also Suitable for fine manipulation under a microscope.

4) Used in conjunction with the ruler, it can realize the precise positioning of the animal and facilitate the implementation of stereotaxic administration of the animal brain.

5) The fixing device can be adjusted, which is suitable for fixing animals with different head shapes.

6) The material is excellent, low in cost, light in weight, easy to carry, will not rust and deform, and is easy to operate.

Description of drawings

Fig. 1 Side view of the multi-functional experimental animal operating table

Figure 2 The top view of the multifunctional experimental animal operating platform

Figure 3 Plane view of the fixed plate

In the figure: 1. Fixed plate, 2. Upright post for fixing animal head, 3. Ear bar for fixing animal head, 4. Upright post for fixing animal tooth, 5. Ring for fixing animal tooth, 6. Upright post for fixing animal upper jaw, 7. Animal Maxillary fixed rod, 8, console leg, 9, fixing screw, 10, nut, 11 first groove, 12, second groove.

Detailed ways

This embodiment will be described in detail below in conjunction with FIG. 1 and FIG. 2 .

As shown in Figure 1 and Figure 2, the console includes a fixed plate 1, a fixed plate, a column 2 for fixing the animal head made of engineering plastics, an ear bar 3 for fixing the animal head, a column 4 for fixing the animal teeth, and a fixed animal head column 4. Tooth ring 5, animal upper jaw fixed column 6, animal upper jaw fixed rod 7. A second groove 12 is processed along the center line of the fixed plate near the right end on the fixed plate 1, and this groove can be used to place a ruler, and can be used to measure the size of the animal head in the experiment. Two first grooves 11 are symmetrically processed on both sides of the groove, and the column 2 for fixing the animal head can pass through the groove and move left and right along the groove, and the column 2 can also move up and down relative to the fixed plate 1, when After the position is moderate, it is fixed on the fixed plate 1 by nuts 10 . There is a screw hole on the column 2, and one end of the ear bar 3 is processed with threads, and the threaded rod 3 can move relative to the column 2 through thread fit.

The left end of the fixing plate is provided with 7 pairs of fixing screws 9 for fixing the animal legs, and the fixing screws 9 are made of engineering plastics. In the experiment, the rope that fixes the animal's leg is fixed on the set screw 9.

The right-hand end of column 2 is provided with a fixed animal tooth column 4, and the column 4 of animal tooth also can move up and down with respect to fixed plate 1, is fixed on the fixed plate 1 by nut 10 after the position is moderate. The fixed animal tooth ring 5 is connected with the threaded hole on the upper end of the column 4 through the threaded handle at one end, and the position of the tooth ring 5 is adjusted by the movement of the handle.

Two animal maxillary fixed columns 6 are arranged between the column 2 for fixing the animal head and the column 4 for fixing the animal teeth. The fixed column 6 for the upper jaw of the animal is fixedly connected with the fixed plate 1 through bolts 10, and its position relative to the fixed plate 1 is adjustable. . The animal maxillary fixation rod 7 passes through the tops of the two animal maxillary fixation columns 6 .

In this embodiment, the first groove 11 and the second groove 12 are through holes passing through the fixing plate, and the upright posts pass through the through holes and are fixedly connected with the fixing plate 1 by bolts.

Considering that the animals may need to be observed by CT, MRI, PET, etc. in the experiment, it is required that the material is non-magnetic and does not cause image artifacts. Engineering plastics such as glass rods and nylon rods are used as manufacturing materials.

This embodiment is made as follows:

1) Manufacture of the fixing plate 1: the size of the fixing plate 1 is determined comprehensively considering the operation needs of experimental animals of different sizes.

Use a certain thickness of plexiglass plate, cut and shape according to the designed size, and polish the sides and corners of the plate to make it smooth and round, with a rectangular structure. In the middle of one end of the fixed plate, a long groove 12 is made, and two symmetrical grooves 11 are made on both sides of the long groove to form a groove with a certain slope. Groove 11 can be used as placing and fixing movable column 2 positions of animal head, can adjust front and rear position according to animal head size. The slot 12 in the middle is used as a channel for measuring the shape data of the animal head to place a ruler. Make a round hole at the top of the long groove in the middle of the plate, and prepare to place the upright 4 usefulness of fixing the animal teeth. In the front between the groove 11 on both sides of the fixed plate and the near middle groove 12, respectively make a circular hole, as the position of fixing the maxillary fixed rod (incisor bar) column 6. On the both sides of fixed plate 1, do 14 symmetrical screw holes, use as the screw of riveting fixed animal leg. Make six symmetrical blind holes on the back of the fixing plate 1 for fixing the six legs of the console. 1 in the picture.

2) The production of the column 2 and the ear bar 3 for fixing the animal head: take two plexiglass rods of designed length and diameter to make the column 2, and one end of the column 2 is made into a bolt, and the height can be adjusted according to the size of the animal head; Make a nut hole at a certain distance from the top at the other end. Another two plexiglass rods are taken as ear rods 3, and one end of the ear rods 3 is made into a bolt matching the aforementioned screw hole, and the distance between the two ear rods can be adjusted according to the size of the animal head; the other end of the ear rods It is cut into a slender cone so that it can be inserted into the ear hole of the animal to fix the animal's head properly, and the tip is blunted to avoid stabbing the animal tissue. Fix the ear rods in the nuts of the uprights to hold the animal's head. As shown in Figure 2, 3.

3) Manufacture of the column 4 and the gear ring 5 for fixing the animal teeth: get two plexiglass rods of designed length and diameter to make the column 4, one end of the column 4 is made into a bolt, and the height can be adjusted according to the size of the animal's head; on the column 4 Make a nut hole at a certain distance from the other end of the top end, as the position for fixing the movable tooth fixing ring, and also as a reference for measuring the shape data of the animal head. Take another cylindrical nylon rod as the handle of the gear ring (as shown in Figure 5), and make one end of the handle into a bolt that matches the aforementioned screw hole. The threaded part is longer, which is convenient for adjusting the gear ring according to the size of the animal. Front and rear positions; the other end of the shank is also made into a bolt, and the threaded part is shorter. In view of the large difference between the animal's oral cavity and the distance between the teeth, the tooth rings with large, medium and small diameters are made to facilitate the selection of suitable tooth rings according to the size of the animal. Make a screw hole on the side of the gear ring to match the short bolt of the handle. As shown in Figure 4, 5.

4) The making of fixed animal upper jaw column 6 and fixed rod 7 (incisor bar): get two plexiglass rods of designed length and diameter to make columns, and one end of the columns is made into a bolt, which can adjust the height according to the size of the animal's head; Make a round hole at the other end at a certain distance from the top. Get a slender nylon rod and make it tightly through the fixed rod (incisor bar) through the round hole of the column. By synchronously adjusting the height of the two uprights 6, the fixed rod 7 can be used in combination with the toothed ring to fix the upper jaw of the animal, and can be used as an incisor rod by reducing the height (the incisor rod is exactly the upper jaw fixed rod), as shown in Figures 6 and 7.

5) Manufacture of console legs: Take six plexiglass rods of designed length and diameter as the legs of the console, one end of the legs is made into a bolt, which is tightly combined with the blind hole under the fixing plate; the other end is made into a cap shape for stable support The fixed plate completes various operations. As shown in figure 8.

6) Production of fixing screws: Use plexiglass rods to make screws, and combine them with the screw holes on both sides of the fixing plate. Depending on the size of the animal, the legs of the immobilized animal are selected. As shown in Figure 9.

7) Production of nuts: Use thick nylon rods to make nuts to fix the columns. Figure 10.

Claims (3)

1, multi-functional experimental implementation platform includes fixing head, is provided with the hold-down screw (9) that is used for fixing animal leg at the left end of fixing head; It is characterized in that: also include the column (2) of the fixedly animal head of making by engineering plastics, fixedly ear bar (3), fixedly the animal teeth column (4) and the fixing animal teeth ring gear (5) of animal head, the fixing head (1) of described fixing head for making by engineering plastics, the hold-down screw (9) of described hold-down screw (9) for making by engineering plastics; Wherein, right-hand member at fixing head (1) is provided with two first grooves (11) along centerline direction, in each groove, all be fixed with the fixedly column of animal head (2), fixedly the position of the column of animal head (2) can be with respect to fixing head (1) up-down adjustment, along first groove (11) left and right adjusting, every fixedly the top of the column of animal head (2) all be provided with the ear bar (3) of the fixedly animal head that can move with respect to the fixing column of animal head (2); Be provided with a fixedly animal teeth column (4) in the front end center of two grooves, fixedly the position of animal teeth column (4) can be with respect to fixing head (1) up-down adjustment, is provided with the fixedly animal teeth ring gear (5) that can relatively move with respect to fixing teeth column (4) on the top of fixing teeth column (4).

2, multi-functional experimental implementation platform according to claim 1, it is characterized in that: the fixing column of animal head (2) and fixedly be provided with between the animal teeth column (4) two can up-down adjustment with respect to the position of fixing head (1), and the animal upper jaw vertical columns (6) that can fixedly connected with fixing head (1), animal upper jaw fixed bar (7) passes the top of two animal upper jaw vertical columns (6).

3, multi-functional experimental implementation platform according to claim 1 is characterized in that: also be provided with second groove (12) that is used to place scale between two first grooves (11).

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