CN219250540U

CN219250540U - Self-administration operating table for rats and mice

Info

Publication number: CN219250540U
Application number: CN202223318078.7U
Authority: CN
Inventors: 阮钰尔; 钱黎银; 龚新双; 林姝均; 俞昭颖; 罗虎; 李小芳; 沈瑶; 司紫珍; 刘昱
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-27
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a self-administration operating table for rats and mice, which comprises a rectangular workbench. According to the utility model, four I-shaped sliding grooves are formed in the workbench in a penetrating manner, clamping devices capable of freely sliding along the sliding grooves are arranged in the sliding grooves, the limbs of the mice are clamped by the clamping parts of the clamping devices, the clamping devices are slidably regulated in a larger range along the I-shaped sliding ways of the sliding grooves according to the specific sizes and the body shapes of the mice, and finally the mice are fixed by locking and positioning through the positioning parts arranged on the clamping devices, so that the mice are firmly limited on the workbench. In addition, the middle part of the workbench is provided with a through waist-shaped hole for inserting the cannula arranged at the back of the rat and the mouse, so that the rat and the mouse can lie on the workbench stably, and the subsequent operation or anatomical experiment is more convenient.

Description

Self-administration operating table for rats and mice

Technical Field

The utility model relates to the field of animal medical equipment, in particular to a self-administration operating table for rats and mice.

Background

Animal experiments refer to scientific research performed in laboratory using animals in order to obtain new knowledge about biology, medicine, etc., or to solve specific problems. The final aim of the scientific development of experimental animals is to study the life phenomena of the animals, further promote the animals to human beings, explore the life mysterious of the human beings, control the diseases and aging of the human beings and prolong the life of the human beings. Experimental animal science has now become an integral part of modern science and technology, forming an independent comprehensive basic science gate. The big mouse is a very commonly used experimental animal, so that an operating table or an dissecting table special for carrying out experiments on the big mouse also appears, the big mouse is usually fixed by binding the limbs of the big mouse through nails fixed on the operating table by belts, and the fixing mode of the big mouse and the small mouse facing to big and small rats with different sizes is generally not easy to adjust.

Aiming at the situation, the Chinese patent utility model with the patent number ZL201020601255.0 (bulletin number CN 201888855U) discloses a workbench for operation or dissection of a murine animal, which comprises a rectangular bottom plate, wherein four arc-shaped sliding grooves are formed in the working surface of the bottom plate, sliding columns are respectively arranged in each arc-shaped sliding groove, each sliding column is respectively connected with a drag hook through an elastic component, a plurality of connecting mechanisms for fixing the elastic component are respectively arranged on each edge of the bottom plate, four clamping pieces are respectively connected with the connecting mechanisms through the elastic components, and the connecting mechanisms at the two ends of the bottom plate are respectively provided with the elastic components for fixing the head and the tail of the murine animal, so that the device can realize reinforcing and binding of mice with different sizes to a certain extent, but the device has some defects: because it mainly utilizes the elasticity change of rubber band to fix the big mouse of different sizes in order to realize regulatory function, to the big mouse of size, the rubber band range of retracting can become bigger, and the fixed restriction to the rat also becomes comparatively limited, probably makes at the mouse have certain movable range, and then influences subsequent experimental operation, still needs further improvement.

In addition, in the whole experimental process, the big mouse needs to lie on the operating table, the back of the big mouse is attached to the upper plane of the operating table, and there is a problem in that before the experiment, the big mouse needs to be administered to the big mouse, and a reserved gasket and a cannula for drug delivery are needed to be arranged on the back of the big mouse, especially for the mouse, because the gasket on the back of the big mouse is too large relative to the size of the big mouse, and the cannula with the convex back has a large influence on the stability of the placement of the big mouse in the experimental process, so that the mouse is not easy to be fixed on the table surface, and further improvement is needed.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a rat self-administration operating table with a large fixed adjustment range and more stable fixation aiming at the state of the art.

The second technical problem to be solved by the utility model is to provide a self-administration operating table which is more suitable for rats and mice lying on the table.

The technical scheme adopted for solving the technical problems is as follows: this big mouse self operation table of dosing, including being the workstation of rectangle, its characterized in that: four I-shaped sliding grooves are formed in the workbench in a penetrating mode, clamping devices capable of freely sliding along the sliding grooves are arranged in the sliding grooves, each clamping device comprises clamping portions capable of clamping four limbs of a rat and positioning portions capable of positioning the clamping devices on the workbench, waist-shaped holes capable of allowing insertion tubes to extend out are formed in the workbench in a penetrating mode, the sliding grooves are arranged in a surrounding mode in four corners with the waist-shaped holes as the center, and each sliding groove comprises two transverse grooves and vertical grooves connected between the transverse grooves.

In order to fix the mice with different sizes more conveniently, preferably, the sliding grooves are symmetrically distributed on the upper plane of the workbench in pairs. Each transverse groove is parallel to the length direction of the workbench.

In order to more firmly clamp the limbs of the mice, preferably, the clamping part comprises a first hoop and a second hoop, the first hoop is arranged on the chute, the second hoop is hinged to the first hoop, the first hoop and the second hoop are both formed with circular arc grooves, after the grooves are folded, a circular ring sleeve capable of positioning the limbs of the mice on the workbench is formed, the first hoop is upwards provided with a first threaded column, the second hoop is provided with a U-shaped groove capable of allowing the first threaded column to pass through, and the first threaded column is further connected with a first fastening knob in a threaded manner.

In order to fix the clamping device sliding in the i-shaped chute at any time, preferably, the positioning part comprises a second fastening knob, the first anchor ear extends downwards to form a second threaded column, and the second threaded column passes through the chute from top to bottom and is connected with the second fastening knob in a threaded manner.

In order to avoid injuring the limbs of the mice during clamping, preferably, the circular arc grooves of the first anchor ear and the second anchor ear are respectively embedded with elastic soft rubber pads.

In order to prevent eyes of the rats and the mice from being burnt by the operating lamp, preferably, a light shielding plate for isolating the operating lamp from directly irradiating eyes of the rats and the mice is arranged on the workbench.

In order to more conveniently use forceps when the jugular vein operation is performed on the rats and the mice, preferably, the workbench is provided with clamping grooves for placing the forceps, and the clamping grooves are concavely elliptic and are provided with a plurality of clamping grooves.

In order to enable the height of the workbench to be adjustable, preferably, four supporting feet are arranged below the workbench, each supporting foot comprises a first supporting foot and a second supporting foot, the first supporting foot is inserted and matched with the second supporting foot, and a lifting mechanism capable of adjusting relative height is further arranged between the first supporting foot and the second supporting foot.

In order to optimize the structure of the lifting mechanism more for convenient adjustment and control, preferably, the lifting mechanism comprises a clamping column embedded in the first supporting leg and a spring for driving the clamping column to outwards protrude in the radial direction, and a plurality of positioning holes which are arranged at intervals and can be used for the clamping column to be matched and positioned are formed in the second supporting leg along the length direction.

In order to enable the insertion pipe at the back of the rat or the mouse to be inserted more conveniently, the waist-shaped hole deviates from the exact center of the four sliding grooves, guide grooves are formed in the lower plane of the workbench and are adjacent to two sides of the waist-shaped hole, two sliding plates capable of moving in opposite directions and used for covering the waist-shaped hole are arranged in the guide grooves, the waist-shaped hole can be covered by the sliding plates based on the arrangement of the two sliding plates, so that the appearance is not affected, and the insertion pipe can be fixed more firmly by the two sliding plates moving in opposite directions when the insertion pipe is used.

Compared with the prior art, the utility model has the advantages that: through running through setting up four spouts that are the I shape on the workstation to all be equipped with the clamping device that can follow this spout free slip in each spout, utilize clamping device's clamping part to grasp the four limbs of big mouse, and according to the concrete figure of big mouse, make the sliding adjustment in a wider scope with clamping device along the I shape slide that the spout had, utilize setting up in clamping device's location portion to lock location and accomplish fixed of big mouse at last, thereby make big mouse by firmly restriction on the workstation. In addition, the middle part of the workbench is provided with a through waist-shaped hole for inserting the cannula arranged at the back of the rat and the mouse, so that the rat and the mouse can lie on the workbench stably, and the subsequent operation or anatomic experiment operation is more convenient.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

fig. 3 is a schematic view of the structure of the clamping device in the present embodiment (closed state);

fig. 4 is a schematic view of the structure of the clamping device (open state) in the present embodiment;

FIG. 5 is an exploded view of the clamping device in the present embodiment;

FIG. 6 is a schematic cross-sectional view of the foot in this embodiment;

fig. 7 is a schematic diagram of the adjusting principle of the clamping device (applicable to rats) in the present embodiment;

fig. 8 is a schematic diagram of the adjusting principle of the clamping device (applicable to mice) in the present embodiment;

fig. 9 is a schematic diagram of a bottom view structure of the present embodiment.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

Fig. 1 to 9 are schematic views of the present embodiment, in which the rat/mouse self-administration operating table includes a table 1, legs 7, a holding device 3, a shade 5, a lifting mechanism 73, and the like.

As shown in fig. 1, the workbench 1 is rectangular, four h-shaped sliding grooves 2 are formed in the workbench 1 in a penetrating manner, each sliding groove 2 comprises two transverse grooves 21 and vertical grooves 22 connected between the transverse grooves 21, the two transverse grooves 21 are parallel to the length direction of the workbench 1, the sliding grooves 2 are symmetrically distributed on the upper plane of the workbench 1 in pairs, and the clamping devices 3 are arranged in the sliding grooves 2 and can freely slide along the sliding grooves 2. In this embodiment, the holding device 3 includes a holding portion 31 capable of holding the limbs of the mouse and a positioning portion 32 capable of positioning the holding device 3 on the table 1.

Referring to fig. 2 and 6, in the present embodiment, four legs 7 are disposed below the table 1 for supporting the table 1, each leg 7 includes a first leg 71 and a second leg 72, the first leg 71 is inserted into the second leg 72, and a lifting mechanism 73 capable of adjusting a relative height is further disposed between the first leg 71 and the second leg 72. The lifting mechanism 73 comprises a clamping column 731 embedded in the first supporting leg 71 and a spring 732 for driving the clamping column 731 to outwards protrude in the radial direction, the second supporting leg 72 is provided with a plurality of positioning holes 733 which are arranged at intervals along the length direction and can be used for the head of the clamping column 731 to be embedded and positioned, and the head of the clamping column 731 is pressed to be embedded in the positioning holes 733 with different heights, so that the height adjustment of the four supporting legs 7 is realized.

As shown in fig. 3 to 5, in this embodiment, the clamping portion 31 includes a first hoop 311 and a second hoop 312, the first hoop 311 is disposed on the chute 2, the second hoop 312 is hinged on the first hoop 311, the first hoop 311 and the second hoop 312 are both formed with circular arc grooves 313, after the grooves 313 are folded, a circular ring sleeve capable of positioning the four limbs of the mouse on the workbench 1 is formed, in order to further prevent the mouse from being injured during clamping, in this embodiment, the circular arc grooves 313 of the first hoop 311 and the second hoop 312 are respectively embedded with a soft rubber pad 318 with elasticity, the soft rubber pad 318 can be made of a material with good elasticity such as rubber or silica gel, and can be passively deformed along with the change of the four limbs of the mouse so as to be more suitable for the four limbs of the mouse. The first anchor ear 311 is provided with a first thread column 314 in an upward protruding mode, the second anchor ear 312 is provided with a U-shaped groove 315 through which the first thread column 314 can pass, the first thread column 314 is further connected with a first fastening knob 316 in a threaded mode, the second anchor ear 312 can be closed or opened by rotating the first fastening knob 316, and therefore four limbs of a rat can be conveniently locked or unlocked in the annular sleeve.

The positioning portion 32 includes a second fastening knob 321, the first anchor ear 311 extends downward to form a second threaded column 317, the second threaded column 317 passes through the chute 2 from top to bottom and is connected to the second fastening knob 321 by threads, and when in use, the whole clamping device 3 can be firmly locked at a certain position of the chute 2 by rotating the second fastening knob 321, so that the mouse clamped at the clamping portion 31 is firmly fixed on the workbench 1.

Referring to fig. 1, in order to enable a rat and a mouse to perform a lying experiment, a cannula reserved at the back of the rat and a mouse can be placed in place when the rat and the mouse are administered, a waist-shaped hole 4 is further formed in the middle of the workbench 1 in a penetrating manner for placing the cannula, and the chute 2 is arranged in a surrounding manner with four corners taking the waist-shaped hole 4 as the center. Based on the arrangement of the waist-shaped holes 4, the mice can lie on the workbench more stably, so that the subsequent operation or dissection operation is more convenient. In this embodiment, the waist-shaped hole 4 is intentionally deviated from the right-centered position of the four slide grooves 2 in order to facilitate insertion of the cannula on the back of the rat or mouse. As shown in fig. 9, on the lower plane of the workbench 1, two guide grooves 41 are arranged adjacent to two sides of the waist-shaped hole 4, two sliding plates 42 capable of moving in opposite directions and used for covering the waist-shaped hole are arranged in the guide grooves 41, the waist-shaped hole 4 can be covered when not used based on the arrangement of the two sliding plates 42, so that the appearance is not affected, and when the insertion tube is inserted, the two sliding plates 42 moving in opposite directions can also support two sides of the insertion tube, so that the insertion tube in the waist-shaped hole 4 is fixed more firmly.

Referring to fig. 1, in order to prevent eyes of the mice from being burned by the operating lamp, in this embodiment, a light shielding plate 5 is further added on the workbench, as shown in fig. 1, the light shielding plate 5 is erected on the workbench 1 through a connecting column 51 and is located above eyes of the mice to isolate direct radiation of the operating lamp to eyes of the mice. In addition, the workbench 1 is further provided with clamping grooves 6 for placing tweezers, the clamping grooves 6 are concavely elliptic and are arranged in a plurality of ways, the clamping grooves 6 are arranged at intervals and are adjacent to the sides of the necks of the mice, and in the embodiment, the intervals among the clamping grooves 6 are 2mm.

The clamping device 3 of the self-administration operating table of the big mouse adjusts the working principle as follows: when the rat is needed to be fixed, if the rat is encountered, as shown in fig. 7, the clamping device 3 can be moved into the outer lateral groove 21 of the chute 2, and fine-tuned along the left-right direction of the outer lateral groove 21, so that the clamping device slides to the most suitable place, and finally the second fastening knob 321 is screwed to position the clamping device 3 on the workbench; if a mouse is encountered, as shown in fig. 6, the holding device 3 is moved into the inner lateral groove 21 of the chute 2, and fine adjustment is continued in the left-right direction of the inner lateral groove 21, and finally the holding device 3 is also positioned on the table by the same method.

Claims

1. The utility model provides a big mouse self operation table of dosing, is including workstation (1) that are the rectangle, its characterized in that: four I-shaped sliding grooves (2) are formed in the workbench (1) in a penetrating mode, clamping devices (3) capable of freely sliding along the sliding grooves (2) are arranged in the sliding grooves (2), each clamping device (3) comprises clamping portions (31) capable of clamping four limbs of a rat and positioning portions (32) capable of positioning the clamping devices (3) on the workbench (1), a waist-shaped hole (4) capable of allowing a cannula to extend out is formed in the workbench (1) in a penetrating mode, each sliding groove (2) is arranged in a surrounding mode with the waist-shaped hole (4) as the center, and each sliding groove (2) comprises two transverse grooves (21) and vertical grooves (22) connected between the transverse grooves.

2. The self-administration operating table for rats according to claim 1, wherein: the sliding grooves (2) are symmetrically distributed on the upper plane of the workbench (1) in pairs, and the transverse grooves (21) are parallel to the length direction of the workbench (1).

3. The self-administration operating table for rats according to claim 1, wherein: clamping part (31) include first staple bolt (311) and second staple bolt (312), first staple bolt (311) are located on spout (2), second staple bolt (312) articulate in on first staple bolt (311), first staple bolt (311) and second staple bolt (312) all form have be convex recess (313), each recess (313) are closed the back and are formed the ring cover that can be located workstation (1) with the four limbs of big mouse, first staple bolt (311) are protruding first screw thread post (314) that are equipped with up, offer on second staple bolt (312) can supply U type groove (315) that first screw thread post (314) passed, first screw thread post (314) still threaded connection has first fastening knob (316).

4. A self-administration operating table for rats as claimed in claim 3, wherein: the positioning part (32) comprises a second fastening knob (321), the first anchor ear (311) is downwards extended with a second threaded column (317), and the second threaded column (317) passes through the sliding groove (2) from top to bottom and is then in threaded connection with the second fastening knob (321).

5. A self-administration operating table for rats as claimed in claim 3, wherein: the first anchor ear (311) and the second anchor ear (312) are respectively provided with arc-shaped grooves (313) in which elastic soft rubber pads (318) are embedded.

6. The self-administration operating table for rats according to claim 1, wherein: the workbench is provided with a light shielding plate (5) for isolating the operating lamp from directly irradiating eyes of the big and small mice.

7. The self-administration operating table for rats according to claim 1, wherein: the workbench (1) is provided with clamping grooves (6) for placing tweezers, and the clamping grooves (6) are concave elliptic and are provided with a plurality of clamping grooves.

8. The self-administration operating table for rats according to any one of claims 1 to 7, wherein: four supporting legs (7) are arranged below the workbench (1), each supporting leg (7) comprises a first supporting leg (71) and a second supporting leg (72), the first supporting legs (71) are inserted and matched with the second supporting legs (72), and a lifting mechanism (73) capable of adjusting relative height is further arranged between the first supporting legs (71) and the second supporting legs (72).

9. The self-administration operating table for rats according to claim 8, wherein: the lifting mechanism (73) comprises a clamping column (731) embedded in the first supporting leg (71) and a spring (732) for driving the clamping column (731) to outwards protrude in the radial direction, and the second supporting leg (72) is provided with a plurality of positioning holes (733) which are arranged at intervals in the length direction and can be used for the clamping column (731) to be embedded and positioned.

10. The self-administration operating table for rats according to claim 1, wherein: the waist-shaped hole (4) deviates from the right center of the four sliding grooves (2), guide grooves (41) are formed in the lower plane of the workbench and are adjacent to the two sides of the waist-shaped hole (4), and two sliding plates (42) capable of moving in opposite directions and used for covering the waist-shaped hole (4) are arranged in the guide grooves (41).