CN220275766U - A headgear-containing fixation device for rats used in clinical medical experiments - Google Patents

Abstract

The utility model discloses a headgear-containing fixing device for rats used in clinical medical experiments, which includes a base. The lower end of the base is fixedly connected with four rectangularly distributed legs, and the upper end of the base is fixedly connected with a position close to the edge. Headgear, the lower end of the headgear is provided with a groove, the inner wall of the groove is slidably connected with a first clamping block, the lower end of the first clamping block is provided with a first arc-shaped groove, the first arc-shaped groove A first rubber pad is fixedly connected to the inner wall of the first clamping block. The upper end of the first clamping block is provided with a first adjustment mechanism. The upper end of the base is provided with four rectangular frames distributed in a rectangular shape. There is a rectangular frame between the rectangular frame and the base. There is a second adjustment mechanism, and two second clamping blocks are slidingly connected to the inner wall of the rectangular frame. Through the setting of multiple adjustment mechanisms, the utility model can fix the head and limbs of the big-headed rat and at the same time adjust the height and position of the limbs, thereby improving the scope of application and functionality.

Description

A headgear-containing fixation device for rats used in clinical medical experiments

Technical field

The utility model relates to the technical field of fixing devices, and in particular to a fixing device for rats with headgear used in clinical medical experiments.

Background technique

Animal clinical medical experiments refer to any systematic research on drugs in animals to confirm or reveal the effects, adverse reactions and/or absorption, distribution, metabolism and excretion of the experimental drugs, etc.

In clinical medical experiments on the big-headed rat, the limbs and head of the big-headed rat need to be fixed on the operating table to prevent the big-headed rat from breaking away. After the big-headed rat is fixed, the traditional fixation device cannot adjust the position of the big-headed rat's limbs and can only unfix it. The device can only be adjusted, making the fixtures have certain limitations.

Utility model content

The purpose of this utility model is to solve the problem that after the fixing device fixes the big-headed rat, it is impossible to adjust the position of the limbs of the big-headed rat. The fixing device can only be adjusted by releasing the fixing device, so that the fixing device has certain limitations, and a clinical medicine proposed A head-mounted fixture for rats used in experiments.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A headgear-bearing fixation device for rats used in clinical medical experiments, including a base. The lower end of the base is fixedly connected with four rectangularly distributed legs. The upper end of the base is fixedly connected with a headgear near the edge. The headgear is fixedly connected. The lower end of the groove is provided with a groove, and a first clamping block is slidably connected to the inner wall of the groove. The lower end of the first clamping block is provided with a first arc-shaped groove, and the inner wall of the first arc-shaped groove is fixedly connected. There is a first rubber pad. The upper end of the first clamping block is provided with a first adjustment mechanism. The upper end of the base is provided with four rectangular frames distributed in a rectangular shape. A second adjustment mechanism is provided between the rectangular frame and the base. , two second clamping blocks are slidably connected to the inner wall of the rectangular frame, and second arc-shaped grooves are provided on the corresponding sides of the two second clamping blocks. The inner wall of the second arc-shaped groove is A second rubber pad is fixedly connected. The upper end of the second clamping block is fixedly connected with a movable block. The inner top of the rectangular frame is provided with a chute corresponding to the movable block. The upper end of the movable block slides and extends to the sliding block. In the slot, a third adjustment mechanism is provided in the chute.

Preferably, the first adjustment mechanism includes a first screw that is rotatably connected to the upper end of the first clamping block, the upper end of the first screw passes through the headgear, and the first screw is threadedly connected to the headgear.

Preferably, a first guide rod is slidably inserted into the top of the groove, and the lower end of the first guide rod is fixedly connected to the upper end of the first clamping block.

Preferably, the third adjustment mechanism includes a two-way screw disposed in the chute. Both ends of the two-way screw penetrate the two movable blocks and the rectangular frame respectively. The two-way screw and the movable block are threadedly connected, so The two-way screw rod and the rectangular frame are connected by rotation.

Preferably, the second adjustment mechanism includes a lifting rod fixed at the lower end of the rectangular frame. The upper end of the base is provided with a slot corresponding to the lifting rod. The lower end of the lifting rod slides and extends into the slot. A second screw is inserted into the lower end of the lifting rod. The second screw is threadedly connected to the lifting rod. The lower end of the second screw penetrates the base. There is a rotating connection between the second screw and the base. connect.

Preferably, a second guide rod is slidably inserted into the lower end of the lifting rod, and the lower end of the second guide rod is fixedly connected to the inner bottom of the slot.

Beneficial effects:

1. Through the arrangement of the headgear, the first clamping block and the first screw, the head of the big-headed rat is fixed, and through the arrangement of the first arc groove and the first rubber pad, the first clamping block can be attached Close the head of the big-headed rat to improve the tightness after fixation;

2. Through the arrangement of the rectangular frame, the second clamping block, the movable block and the two-way screw, the limbs of the big-headed rat are clamped and fixed. Through the arrangement of the second arc-shaped groove and the second rubber pad, the second clamping block can Close to the limbs to improve the tightness after clamping and fixation;

3. Through the setting of the second screw, the second guide rod and the lifting rod, the lifting and lowering adjustment of the rectangular frame is realized, and the lifting and lowering adjustment of the limbs of the big-headed rat is realized under a fixed condition. The utility model realizes the lifting and lowering of the rectangular frame through the setting of multiple adjustment mechanisms. While the head and limbs of the big-headed rat are fixed, the height and position of the limbs can be adjusted to improve the scope of application and functionality.

Description of drawings

Figure 1 is a schematic structural diagram of a headgear-containing fixation device for rats used in clinical medical experiments proposed by the utility model;

Figure 2 is a schematic side sectional structural view of a headgear-containing fixation device for rats used in clinical medical experiments proposed by the utility model;

Figure 3 is a schematic structural diagram of point A of a headgear-containing fixation device for rats used in clinical medical experiments proposed by this utility model.

In the picture: 1-base, 2-rectangular frame, 3-head cover, 4-second screw, 5-first guide rod, 6-lift rod, 7-foot, 8-first rubber pad, 9-first Guide rod, 10-first screw, 11-first clamping block, 12-movable block, 13-two-way screw, 14-second clamping block, 15-second rubber pad.

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.

Referring to Figure 1-3, a headgear-containing fixation device for rats used in clinical medical experiments includes a base 1. The lower end of the base 1 is fixedly connected with four rectangularly distributed legs 7 for supporting the base 1. The upper end of the base 1 is A headgear 3 is fixedly connected near the edge, which is used to cooperate with the first clamping block 11 to fix the head of the big-headed rat. The lower end of the headgear 3 is provided with a groove, and the first clamping block 11 is slidingly connected to the inner wall of the groove. It is used to clamp and fix the head of the big-headed rat. The lower end of the first clamping block 11 is provided with a first arc-shaped groove, and a first rubber pad 8 is fixedly connected to the inner wall of the first arc-shaped groove to improve the clamping ability. the tightness;

In this embodiment, a first adjustment mechanism is provided at the upper end of the first clamping block 11. The first adjustment mechanism includes a first screw 10 that is rotatably connected to the upper end of the first clamping block 11 and is used to drive the first clamping block 11 to rise and fall. The upper end of the first screw 10 passes through the head cover 3. The first screw 10 and the head cover 3 are threadedly connected. A first guide rod 9 is slidably inserted at the top of the groove to keep the first clamping block 11 rising and falling linearly. The lower end of the first guide rod 9 is fixedly connected to the upper end of the first clamping block 11;

In this embodiment, the upper end of the base 1 is provided with four rectangular frames 2 rectangularly distributed for placing the limbs of the big-headed rat. A second adjustment mechanism is provided between the rectangular frames 2 and the base 1. The second adjustment mechanism includes a The lifting rod 6 at the lower end of the rectangular frame 2 is used to drive the rectangular frame 2 to lift. The upper end of the base 1 is provided with a slot corresponding to the lifting rod 6. The lower end of the lifting rod 6 slides and extends into the slot. The lower end of the lifting rod 6 A second screw 4 is inserted for driving the lifting rod 6 to rise and fall. The second screw 4 and the lifting rod 6 are threaded. The lower end of the second screw 4 passes through the base 1. The second screw 4 is connected to the base. 1 is connected by rotation, the lower end of the lifting rod 6 is slidably inserted with a second guide rod 5, which is used to keep the lifting rod 6 rising and falling in a straight line, and the lower end of the second guide rod 5 is fixedly connected to the inner bottom of the slot;

In this embodiment, two second clamping blocks 14 are slidably connected to the inner wall of the rectangular frame 2 for clamping and fixing the limbs of the big-headed rat. Each side of the two second clamping blocks 14 is provided with a third clamping block 14 . There are two arc-shaped grooves. A second rubber pad 15 is fixedly connected to the inner wall of the second arc-shaped groove for improving the tightness after clamping. A movable block 12 is fixedly connected to the upper end of the second clamping block 14 for driving. The second clamping block 14 moves, the inner top of the rectangular frame 2 is provided with a chute corresponding to the movable block 12, and the upper end of the movable block 12 slides and extends into the chute;

In this embodiment, a third adjustment mechanism is provided in the chute. The third adjustment mechanism includes a two-way screw 12 disposed in the chute for driving the movable block 12 to move. The two ends of the two-way screw 12 respectively pass through the two movable blocks. 12 and the rectangular frame 2, the two-way screw rod 12 and the movable block 12 are threaded, and the two-way screw 12 and the rectangular frame 2 are rotationally connected;

In this embodiment, first put the big-headed rat's head into the headgear 3 and locate it below the first clamping block 11, then rotate the first screw 10, and the first screw 10 drives the first clamping block through thread engagement. 11 moves downward, the first clamping block 11 cooperates with the first rubber pad 8 through the first movable groove to fix the head of the big-headed rat, and then the limbs pass through the rectangular frame 2 and are located on the two second clamping blocks 14 During the process, the two-way screw 13 is rotated. The two-way screw 13 drives the two movable blocks 12 and the two second clamping blocks 14 to move in opposite directions through thread engagement, thereby fixing the limbs. Finally, the second screw is rotated. 4. The second screw 4 drives the lifting rod 6 to rise and fall through thread engagement, and drives the rectangular frame 2 and the limbs to rise and fall through the lifting rod 6, thereby realizing the lifting and lowering adjustment of the big-headed rat's limbs.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a fixing device that rat contained headgear for clinical medicine experiments, includes base (1), its characterized in that: the lower extreme fixedly connected with four rectangle distributed stabilizer blades (7) of base (1), the upper end of base (1) and be close to the position fixedly connected with headgear (3) of edge, the lower extreme of headgear (3) is equipped with the recess, sliding connection has first clamp splice (11) on the inner wall of recess, the lower extreme of first clamp splice (11) is equipped with first arc wall, fixedly connected with first rubber pad (8) on the inner wall of first arc wall, the upper end of first clamp splice (11) is equipped with first adjustment mechanism, the upper end of base (1) is equipped with rectangle frame (2) of four rectangle distributions, the novel square frame is characterized in that a second adjusting mechanism is arranged between the square frame (2) and the base (1), two second clamping blocks (14) are connected to the inner wall of the square frame (2) in a sliding mode, second arc-shaped grooves are formed in one sides corresponding to the second clamping blocks (14), second rubber pads (15) are fixedly connected to the inner walls of the second arc-shaped grooves, movable blocks (12) are fixedly connected to the upper ends of the second clamping blocks (14), sliding grooves corresponding to the movable blocks (12) are formed in the inner tops of the square frame (2), the upper ends of the movable blocks (12) extend into the sliding grooves in a sliding mode, and third adjusting mechanisms are arranged in the sliding grooves.

2. The fixing device for rat headgear for clinical medicine experiments according to claim 1, wherein: the first adjusting mechanism comprises a first lead screw (10) rotatably connected to the upper end of a first clamping block (11), the upper end of the first lead screw (10) penetrates through the head sleeve (3), and the first lead screw (10) is in threaded connection with the head sleeve (3).

3. The fixing device for rat headgear for clinical medicine experiments according to claim 2, wherein: the top slides in the recess and inserts and be equipped with first guide bar (9), the lower extreme of first guide bar (9) is fixed connection with the upper end of first clamp splice (11).

4. The fixing device for rat headgear for clinical medicine experiments according to claim 1, wherein: the third adjusting mechanism comprises a bidirectional screw rod (13) arranged in the chute, two ends of the bidirectional screw rod (13) respectively penetrate through the two movable blocks (12) and the rectangular frame (2), the bidirectional screw rod (13) is in threaded connection with the movable blocks (12), and the bidirectional screw rod (13) is in rotary connection with the rectangular frame (2).

5. The fixing device for rat headgear for clinical medicine experiments according to claim 1, wherein: the second adjusting mechanism comprises a lifting rod (6) fixed at the lower end of the rectangular frame (2), a slot corresponding to the lifting rod (6) is formed in the upper end of the base (1), the lower end of the lifting rod (6) slides and extends into the slot, a second screw rod (4) is inserted into the lower end of the lifting rod (6), the second screw rod (4) is in threaded connection with the lifting rod (6), the lower end of the second screw rod (4) penetrates through the base (1), and the second screw rod (4) is in rotary connection with the base (1).

6. The fixing device for rat headgear for clinical medicine experiments according to claim 5, wherein: the lower end of the lifting rod (6) is inserted with a second guide rod (5) in a sliding manner, and the lower end of the second guide rod (5) is fixedly connected with the inner bottom of the slot.