CN213941049U - Adjustable rodent fixing device - Google Patents

Abstract

The utility model discloses an adjustable rodent fixing device, including base, first bracing piece, connecting plate, board-like illuminator, first bolt handle, second bolt handle, solid fixed cylinder, protecgulum, back lid, head cage, regulating plate, third bolt handle, fourth bolt handle, fifth bolt handle. The fixing cylinder of the utility model can respectively adjust the fixing degrees of the rodent in the front and back direction and the left and right direction, can fix the rodents with different body sizes, effectively prevent the rodent from moving and twisting in the fixing cylinder in the experiment process, is particularly suitable for tail blood sampling and tail intravenous injection, and can also be used for other experiment operations needing fixing mice; the fixed cylinder and the plate-type illuminator of the utility model can be rotated to adjust the angle, which is convenient for experimenters to observe the animal condition and carry out the experiment operation with different requirements; the plate illuminator illuminates the mouse and the tail of the mouse, so that the laboratory staff can observe and operate conveniently.

Description

Adjustable rodent fixing device

Technical Field

The utility model belongs to the technical field of medical science research, concretely relates to adjustable rodent fixing device.

Background

In biological research, in order to observe the efficacy of drugs, elucidate the mechanisms of disease development, and study the body functions and metabolism of animals, it is usually necessary to administer drugs to experimental animals, for example, tail vein injection of rodents such as mice. There is also a need to draw blood through the tail of rodents for use in biochemical analysis. Traditional afterbody intravenous route and blood sampling operation are that the laboratory technician carries out suitable pacifying to the rodent earlier usually, then hold between the fingers rodent neck and back suitable position and carry out the experiment operation again, and there is the fixed unstable problem of animal in this kind of mode, and the animal is drunkenness and wrench movement easily, leads to being difficult to operate, escapes even, and is very inconvenient. For this reason, it is necessary to develop an adjustable rodent fixing device capable of solving the above problems.

Disclosure of Invention

An object of the utility model is to provide an adjustable rodent fixing device.

The utility model aims at realizing the purposes, which comprises a base, a first supporting rod, a connecting plate, a plate-type illuminator, a first bolt handle, a second bolt handle, a fixed cylinder, a front cover, a rear cover, a head cage, an adjusting plate, a third bolt handle, a fourth bolt handle and a fifth bolt handle, wherein the number of the first supporting rod is two, the first supporting rod is respectively and fixedly arranged on the base, a threaded hole on the connecting plate is connected with a threaded hole on the side surface of the top of the first supporting rod through the first bolt handle, the plate-type illuminator is arranged between the two first supporting rods, the illuminating part of the plate-type illuminator is upward, bolt holes on two sides of the plate-type illuminator are connected with bolt holes of the body of the first supporting rod respectively corresponding to the bolt holes, the bottom of the fixed cylinder is fixedly connected with the top of the connecting plate, two ends of the fixed cylinder are both open structures, the front end of the fixed cylinder is provided with a threaded hole, the front cover is provided with a hole, the head cage passes through the hole of the front cover, the top of the head cage positioned in the fixed cylinder is provided with a connecting sliding plate, the top of the fixed cylinder opposite to the threaded hole on the connecting sliding plate is provided with a first slotted hole, the third bolt handle passes through the first slotted hole to be connected with the threaded hole on the connecting sliding plate, the rear cover is embedded into the rear end of the fixed cylinder, the top of the fixed cylinder opposite to the threaded hole at the top of the rear cover is provided with a second slotted hole, the end part of the second slotted hole is of an open structure, a fifth bolt handle passes through the second slotted hole, the end part of the fifth bolt handle is connected with a threaded hole at the top of the rear cover, a tail passing hole is arranged at the lower part of the rear cover, the adjusting plate is an arc-shaped plate, the fourth bolt handle is respectively arranged at two sides of the fixed cylinder, and the fourth bolt handle passes through the threaded hole on the side surface of the fixed cylinder, and the end part of the fourth bolt handle is movably connected with the center of the adjusting plate in the fixed cylinder.

The utility model has the advantages that: the fixing cylinder of the utility model can respectively adjust the fixing degrees of the rodent in the front and back direction and the left and right direction, can fix the rodents with different body sizes, effectively prevent the rodent from moving and twisting in the fixing cylinder in the experiment process, is particularly suitable for tail blood sampling and tail intravenous injection, and can also be used for other experiment operations needing fixing mice; the fixed cylinder and the plate-type illuminator of the utility model can be rotated to adjust the angle, which is convenient for experimenters to observe the animal condition and carry out the experiment operation with different requirements; the plate illuminator illuminates the mouse and the tail of the mouse, so that the laboratory staff can observe and operate conveniently.

Drawings

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

FIG. 2 is a schematic right-view structural diagram of the fixed cylinder, the plate illuminator and the first support rod in FIG. 1;

FIG. 3 is a schematic top view of the fixed cylinder;

FIG. 4 is a schematic top view of the inner structure of the fixed cylinder;

FIG. 5 is a right-view internal structural view of the fixed cylinder;

FIG. 6 is a schematic structural view of the rear cover;

in the figure: 1-base, 2-first supporting rod, 3-connecting plate, 4-plate illuminator, 5-first bolt handle, 6-second bolt handle, 7-fixed cylinder, 8-front cover, 9-rear cover, 10-head cage, 11-adjusting plate, 12-third bolt handle, 13-fourth bolt handle, 14-fifth bolt handle, 15-second supporting rod, 16-transverse plate, 17-light supplement lamp, 18-camera, 19-connecting sliding plate, 20-first slotted hole, 21-second slotted hole and 22-tail penetrating hole.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and any alterations or replacements made based on the teachings of the present invention are all within the protection scope of the present invention.

As shown in attached figures 1-6, the utility model comprises a base 1, a first support rod 2, a connecting plate 3, a plate type illuminator 4, a first bolt handle 5, a second bolt handle 6, a fixed cylinder 7, a front cover 8, a rear cover 9, a head cage 10, an adjusting plate 11, a third bolt handle 12, a fourth bolt handle 13 and a fifth bolt handle 14, wherein the number of the first support rods 2 is two, the first support rods are respectively fixed on the base 1, a threaded hole on the connecting plate 3 is connected with a threaded hole on the top side surface of the first support rod 2 through the first bolt handle 5, the plate type illuminator 4 is arranged between the two first support rods 2, the illumination part of the plate type illuminator 4 is upward, bolt holes on two sides of the plate type illuminator 4 are connected with bolt holes of the corresponding rod bodies of the first support rods 2 through the second bolt handle 6, the bottom of the fixed cylinder 7 is fixedly connected with the top of the connecting plate 3, the two ends of the fixed cylinder 7 are both open structures, the front end of the fixed cylinder is provided with a threaded hole, the threaded hole of the front cover 8 is detachably connected with the threaded hole at the front end of the fixed cylinder 7, the front cover 8 is provided with a hole, the head cage 10 passes through the hole of the front cover 8, the top of the head cage 10 positioned in the fixed cylinder 7 is provided with a connecting sliding plate 19, the top of the fixed cylinder 7 opposite to the threaded hole on the connecting sliding plate 19 is provided with a first slotted hole 20, the third bolt handle 12 passes through the first slotted hole 20 to be connected with the threaded hole on the connecting sliding plate 19, the rear cover 9 is embedded into the rear end of the fixed cylinder 7, the top of the fixed cylinder 7 opposite to the threaded hole at the top of the rear cover 9 is provided with a second slotted hole 21, the end part of the second slotted hole 21 is an open structure, the fifth bolt handle 14 passes through the second slotted hole 21, the end part of the fifth bolt handle 14 is connected with the threaded hole at the top of the rear cover 9, the lower part of the rear cover 9 is provided with a tail passing hole 22, the adjusting plate 11 is an arc-shaped plate, fourth bolt handle 13 is located solid fixed cylinder 7 both sides respectively, and fourth bolt handle 13 passes the screw hole of solid fixed cylinder 7 side, and the tip of fourth bolt handle 13 and the central swing joint of the regulating plate 11 in the solid fixed cylinder 7.

Preferably, still include second bracing piece 15, diaphragm 16, light filling lamp 17, camera 18, second bracing piece 15 sets firmly on base 1, diaphragm 16 sets firmly in second bracing piece 15 top, and diaphragm 16 is located solid fixed cylinder 7 top, the slotted hole has been seted up on the diaphragm 16, and two sixth bolt handles pass the slotted hole respectively, and one of them sixth bolt handle tip and light filling lamp 17 top bolt hole are connected, and another sixth bolt handle tip and camera 18 top bolt hole are connected.

Preferably, the fixed cylinder 7 is a square cylinder.

Preferably, the head cage 10 is a conical structure, and the larger end of the head cage 10 is open and the smaller end is closed.

Preferably, the two adjusting plates 11 in the fixed cylinder 7 are symmetrically arranged.

Preferably, the plate illuminator 4 is an LED illuminator, and the lamp shade is a soft light lamp shade.

Preferably, the length of the plate illuminator 4 is greater than the length of the fixed cylinder 7.

Preferably, the fixed cylinder 7, the front cover 8 and the rear cover 9 are all made of transparent materials.

Preferably, the first support rod 2 and the second support rod 15 are both telescopic rods.

The utility model discloses theory of operation and working process: firstly, the fifth bolt handle 14 is unscrewed, the rear cover 9 is taken out, and the third bolt handle 12 is unscrewed, so that the head cage 10 can move; then lifting the tail of rodent such as mouse, putting it on the cage cover or hand back, and performing appropriate pacification; a mouse is sent into the fixed cylinder 7 from the rear end of the fixed cylinder 7, the mouse climbs in by itself, meanwhile, the rear cover 9 is arranged in the fixed cylinder 7, the rear cover 9 and the head cage 10 are moved to enable the mouse to be clamped front and back, the head cage 10 covers the head of the mouse, then the third bolt handle 12 and the fifth bolt handle 14 are screwed down to enable the rear cover 9 and the head cage 10 to be fixed to prevent the mouse from moving, the tail of the mouse penetrates out of the fixed cylinder 7 from the tail penetrating hole 22 of the rear cover 9, then the fourth bolt handle 13 is screwed down to enable the two adjusting plates 11 to be close to or far away from each other, so that the clamping degree of the two sides of the mouse is adjusted, and the mouse is prevented from being twisted left and right; before injection, the first bolt handle 5 and the second bolt handle 6 can be unscrewed, and the fixed cylinder 7 and the plate-type illuminator 4 are respectively rotated, so that the angles of the fixed cylinder 7 and the plate-type illuminator 4 are adjusted, and subsequent operation is facilitated; the plate-type illuminator 4 illuminates the mouse and the tail of the mouse, so that the observation and the operation of experimenters are facilitated; straightening the tail of the mouse after the mouse is fixed, wiping the tail of the mouse with alcohol cotton to expand the blood vessel of the mouse, and injecting or taking blood when the red vein is clearly visible;

in the experiment operation process, also can unscrew sixth bolt handle, adjust the position of light filling lamp 17, camera 18, light filling lamp 17 plays the jacklight light filling function, and camera 18 can shoot the video, and the teaching and the record of being convenient for are used.

Claims (8)

1. The utility model provides an adjustable rodent fixing device, includes base (1), first bracing piece (2), connecting plate (3), plate illuminator (4), first bolt handle (5), second bolt handle (6), solid fixed cylinder (7), protecgulum (8), back lid (9), head cage (10), regulating plate (11), third bolt handle (12), fourth bolt handle (13), fifth bolt handle (14), its characterized in that first bracing piece (2) have two, set firmly respectively on base (1), be connected through first bolt handle (5) between the screw hole of screw hole on connecting plate (3) and the screw hole of first bracing piece (2) top side, plate illuminator (4) are located between two first bracing pieces (2), and the illumination portion of plate illuminator (4) up, pass through the third bolt handle (5) between the bolt hole of plate illuminator (4) both sides and the bolt hole of the first bracing piece (2) body of rod that corresponds separately The two bolt handles (6) are connected, the bottom of the fixed barrel (7) is fixedly connected with the top of the connecting plate (3), both ends of the fixed barrel (7) are open structures, the front end of the fixed barrel is provided with a threaded port, the threaded port of the front cover (8) is detachably connected with the threaded port at the front end of the fixed barrel (7), the front cover (8) is provided with a hole, the head cage (10) penetrates through the hole of the front cover (8), the top of the head cage (10) positioned in the fixed barrel (7) is provided with a connecting sliding plate (19), the top of the fixed barrel (7) opposite to the threaded hole on the connecting sliding plate (19) is provided with a first slotted hole (20), the third bolt handle (12) penetrates through the first slotted hole (20) to be connected with the threaded hole on the connecting sliding plate (19), the rear cover (9) is embedded into the rear end of the fixed barrel (7), the top of the fixed barrel (7) opposite to the threaded hole at the top of the rear cover (9) is provided with a second slotted hole (21), and the tip of second slotted hole (21) is for opening the structure, and second slotted hole (21) are passed in fifth bolt handle (14), and fifth bolt handle (14) tip and back lid (9) top screw hole are connected, and the lower part of back lid (9) is equipped with and passes tail hole (22), regulating plate (11) are the arc, gu fixed cylinder (7) both sides are located respectively in fourth bolt handle (13), and fourth bolt handle (13) pass the screw hole of solid fixed cylinder (7) side, and the central swing joint of regulating plate (11) in the tip of fourth bolt handle (13) and solid fixed cylinder (7).

2. The adjustable rodent fixing device of claim 1, further comprising a second support rod (15), a transverse plate (16), a light supplement lamp (17) and a camera (18), wherein the second support rod (15) is fixedly arranged on the base (1), the transverse plate (16) is fixedly arranged at the top of the second support rod (15), the transverse plate (16) is located above the fixing barrel (7), a slotted hole is formed in the transverse plate (16), two sixth bolt handles respectively penetrate through the slotted hole, one end of each sixth bolt handle is connected with a bolt hole at the top of the light supplement lamp (17), and the other end of each sixth bolt handle is connected with a bolt hole at the top of the camera (18).

3. The adjustable rodent immobilisation device according to claim 1, characterised in that the fixed cylinder (7) is a square cylinder.

4. The adjustable rodent immobilisation device as claimed in claim 1, characterised in that the head cage (10) is of conical configuration, the head cage (10) being open at a larger end and closed at a smaller end.

5. The adjustable rodent immobilisation device according to claim 1, characterised in that two adjustment plates (11) in the fixed cylinder (7) are symmetrically arranged.

6. The adjustable rodent immobilisation device according to claim 1, characterised in that the plate illuminator (4) is an LED illuminator and the shade is a soft light shade.

7. The adjustable rodent immobilisation device according to claim 1, characterised in that the length of the plate illuminator (4) is greater than the length of the fixed cylinder (7).

8. The adjustable rodent retaining device of claim 1, wherein the retaining cylinder (7), the front cover (8) and the rear cover (9) are all made of transparent material.

Images