CN111700703B

CN111700703B - Medicine feeding device for experimental animals

Info

Publication number: CN111700703B
Application number: CN202010534836.5A
Authority: CN
Inventors: 朱非白; 钱海滨; 冯泽蛟
Original assignee: Wenzhou Central Hospital
Current assignee: Wenzhou Central Hospital
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2022-05-31
Anticipated expiration: 2040-06-12
Also published as: CN111700703A

Abstract

The invention discloses a medicine feeding device for experimental animals, which is characterized by comprising a push-pull rod, a first clamp, a second clamp, a medicine feeding device and an animal mouth fixer for opening the mouth of an animal, wherein the top surface of a box body is provided with an opening, the medicine feeding device is arranged on the opening, the medicine feeding device is provided with a medicine injector and a guide ring for guiding the medicine injector, the side surface of the box body is provided with a through hole and a plurality of placing holes, and one end of the push-pull rod penetrates through the through hole to extend into the box body and is connected with a push-pull plate. The invention has the following beneficial effects: the second clamp is fixed with the animal head, and first clamp snatchs the animal oral area fixer in the box, packs into the animal oral area with animal oral area fixer, struts the animal oral area with animal oral area fixer, and in the medicament syringe passed the guide ring and stretched into the animal oral area, use the medicament syringe to feed for the animal, it is accurate to feed the medicine measurement.

Description

Medicine feeding device for experimental animals

Technical Field

The invention relates to a medicine feeding device for medical experiments, in particular to a medicine feeding device for experimental animals.

Background

At present, in the field of basic medical research, animal experiments and cell experiments are two great legal instruments. In the manufacture of models involving laboratory animals, the administration of a pharmaceutical to a laboratory animal is an indiscriminate procedure. The medicine feeding of the experimental animal at the present stage is relatively crude and violent, after an experimenter wears gloves, the experimenter holds the experimental animal such as a mouse by hands, fixes the head of the experimental animal with one hand, breaks open the mouth of the animal, and pushes the medicine into the mouth of the animal with the other hand. If the experimenter is not skillful in action, the medicine feeding measurement is possibly unstable, the process of grabbing animals is rough, the experimental animals are injured, and even more, the experimenter can injure the experimenter.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the medicine feeding device for the experimental animal, which can fix the head of the animal and has accurate medicine feeding measurement.

In order to achieve the purpose, the invention provides the following technical scheme: a medicine feeding device for experimental animals comprises a box body, a push-pull rod, a first clamp, a second clamp, a medicine feeding device and an animal mouth fixator for propping open the mouth of an animal, wherein the top surface of the box body is provided with an opening, the medicine feeding device is arranged on the opening, the medicine feeding device is provided with a medicine injector and a guide ring for guiding the medicine injector, the side surface of the box body is provided with a through hole and a plurality of insertion holes, one end of the push-pull rod penetrates through the through hole to extend into the box body and is connected with a push-pull plate, when the medicine feeding device is used, the push-pull rod is pulled to drive the push-pull plate to move so as to limit the animal, the first clamp and the second clamp both penetrate through the corresponding insertion holes to extend into the box body, the second clamp fixes the head of the animal, the first clamp grabs the animal mouth fixator, the animal mouth fixator is inserted into the mouth of the animal so as to prop open the mouth of the animal, the medicine injector penetrates through the guide ring to extend into the mouth of the animal, the animals were fed with the drug.

The invention is further configured to: the medicine feeding device further comprises a sliding sleeve, a first sliding rod and a second sliding rod, the first sliding rod and the second sliding rod are perpendicular to each other, two ends of the first sliding rod and the second sliding rod are connected to the box body in a sliding mode, a first sliding hole and a second sliding hole are formed in the sliding sleeve, the first sliding rod penetrates through the first sliding hole, the second sliding rod penetrates through the second sliding hole, the sliding sleeve is arranged above the opening in a sliding mode, and the guide ring is arranged on the sliding sleeve.

The invention is further configured to: four first slide rails are arranged at the edge of the opening and arranged in a shape like a Chinese character 'kou', first slide blocks are arranged at two ends of each of the first slide bar and the second slide bar, the four first slide blocks are arranged on the corresponding first slide rails in a sliding manner, a first handle for fixing the first sliding block is connected with the sliding sleeve through threads, a rotating hole and a fastening hole are arranged on the sliding sleeve, the rotating hole is rotatably connected with a rotating rod, a second handle for fixing the rotating rod is connected with the fastening hole through threads, one end of the rotating rod is connected with a guide ring, a third handle is connected with the guide ring through threads, one end of the third handle extends into the guide ring, and be connected with the mounting plate, be provided with the recess that holds the mounting plate on the inner wall of guide ring, be provided with the silica gel pad on the mounting plate, be provided with the laser generator that is used for launching guide laser on the guide ring, when using, silica gel pad butt is on the side of medicament syringe.

The invention is further configured to: the animal mouth part fixer is wrapped with a first spring, a second spring, a first semicircular ring and a second semicircular ring, the left end of the first semicircular ring is provided with a first limiting rod, the first spring sleeve is arranged on the first limiting rod, the right end of the first semicircular ring is provided with a second limiting rod, the second spring sleeve is arranged on the second limiting rod, the left end of the second semicircular ring is provided with a first limiting hole, the first limiting rod is inserted into the first limiting hole, the right end of the second semicircular ring is provided with a second limiting hole, the second limiting rod is inserted into the second limiting hole, and a medicine feeding port for inserting a medicine injector is arranged between the first semicircular ring and the second semicircular ring.

The invention is further configured to: the equal centre of a circle of first semicircle ring and second semicircle ring sets up inwards, is provided with the chain on the first semicircle ring, and the one end of chain is connected on the inner wall of box.

The invention is further configured to: the first clamp and the second clamp respectively comprise a first connecting rod and a second connecting rod, the middle part of the first connecting rod is rotatably connected with the middle part of the second connecting rod, a first handle and a first chuck are arranged at the two ends of the first connecting rod respectively, a second handle and a second chuck are arranged at the two ends of the second connecting rod respectively, and the first chuck and the second chuck are symmetrically arranged.

The invention is further configured to: the first chuck and the second chuck are both provided with clamping hooks, the first semicircular ring and the second semicircular ring are both provided with clamping holes, and when the clamping device is used, the clamping hooks are inserted into the corresponding clamping holes.

The invention is further configured to: the first chuck and the second chuck are both coated with elastic rubber.

The invention is further configured to: the bottom surface in the box is provided with a second slide rail, the push-pull plate is provided with a second slide block, the second slide block is connected with the second slide rail in a sliding mode so that the push-pull plate can slide along the length direction of the second slide rail, the push-pull rod is further provided with a plurality of fixing grooves arranged at equal intervals, and the push-pull rod is further provided with a plurality of fixing grooves arranged at equal intervals.

The invention is further configured to: the through hole is arranged at the bottom of the side edge of the box body, and the box body is made of transparent materials.

In conclusion, the invention has the following beneficial effects: when the animal mouth opening device is used, a user pulls the push-pull rod with a hand to drive the push-pull plate, the animal is limited to a proper position, the second clamp penetrates through the insertion hole and extends into the box body, the head of the animal is fixed, the first clamp grabs the animal mouth opening part fixer in the box body, the animal mouth opening part fixer is plugged into the animal mouth opening part, the animal mouth opening part is stretched by the animal mouth opening part fixer, the medicament injector penetrates through the guide ring and extends into the animal mouth part, the medicament injector is used for feeding the animal, the animal head part can be fixed by the animal mouth opening device, and the feeding metering is accurate.

Drawings

FIG. 1 is a schematic structural view of a feeding device for experimental animals;

FIG. 2 is a schematic diagram of a guiding ring structure of a medicine feeding device for experimental animals;

FIG. 3 is an enlarged view A of FIG. 2;

FIG. 4 is a schematic view of the structure of an animal oral cavity holder of the medicine feeding device for experimental animals;

fig. 5 is a schematic view of a first clamp structure of the medicine feeding device for experimental animals.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-5, a medicine feeding device for experimental animals comprises a box body 1, a push-pull rod 2, a first clamp 3, a second clamp 6, a medicine feeding device 4 and an animal mouth fixer 5 for opening the mouth of an animal, wherein the top surface of the box body 1 is provided with an opening 11, the medicine feeding device 4 is arranged on the opening 11, the medicine feeding device 4 is provided with a medicine injector 41 and a guide ring 42 for guiding the medicine injector 41, the side surface of the box body 1 is provided with a through hole 13 and a plurality of insertion holes 12, one end of the push-pull rod 2 penetrates through the through hole 13 to extend into the box body 1 and is connected with the push-pull plate 21, when in use, the push-pull rod 2 is pulled to drive the push-pull plate 21 to move to limit the animal, the first clamp 3 and the second clamp 6 both penetrate through the corresponding insertion holes 12 to extend into the box body 1, the second clamp 6 fixes the head of the animal, the first clamp 3 grabs the animal mouth fixer 5, the animal mouth fixing device 5 is inserted into the animal mouth to expand the animal mouth, and the medicament injector 41 penetrates through the guide ring 42 and extends into the animal mouth to feed the animal with medicament.

Through the scheme, when the animal feeding device is used, a user pulls the push-pull rod 2 with a hand to drive the push-pull plate 21, an animal is limited to a proper position, the second clamp 6 penetrates through the insertion hole 12 and extends into the box body 1, the head of the animal is fixed, the first clamp 3 grabs the animal mouth part fixer 5 in the box body 1, the animal mouth part fixer 5 is plugged into the animal mouth part, the animal mouth part is opened through the animal mouth part fixer 5, the medicine injector 41 penetrates through the guide ring 42 and extends into the animal mouth part, the medicine injector 41 is used for feeding the animal, the animal head can be fixed, and the medicine feeding metering is accurate.

The push-pull plate 21 is matched with the second clamp 6 to firmly fix the animal, so that the experimental animal is prevented from being injured. The animal is confined in the box 1 and fixed by means of tools, also avoiding the animal from injuring the user himself.

As a modified specific embodiment, the medicine feeding device 4 further comprises a sliding sleeve 43, a first sliding rod 44 and a second sliding rod 45, the first sliding rod 44 and the second sliding rod 45 are arranged perpendicular to each other, both ends of the first sliding rod 44 and the second sliding rod 45 are slidably connected to the box body 1, a first sliding hole 431 and a second sliding hole 432 are arranged on the sliding sleeve 43, the first sliding rod 44 penetrates through the first sliding hole 431, the second sliding rod 45 penetrates through the second sliding hole 432, so that the sliding sleeve 43 is slidably arranged above the opening 11, and the guide ring 42 is arranged on the sliding sleeve 43.

Through the scheme, the sliding sleeve 43 is moved to drive the first sliding rod 44 and the second sliding rod 45 to slide, the position of the guide ring 42 is convenient to adjust, the connection is stable and firm, the guide ring 42 is not prone to shaking, the guide state is kept, and the guide ring is better limited, so that the guide medicament injector 41 can accurately feed medicaments for animals.

As a modified embodiment, four first sliding rails 111 are disposed at the edge of the opening 11, the four first sliding rails 111 are arranged in a shape of a square, the first sliding bar 44 and the second sliding bar 45 are both provided with first sliding blocks 441 at both ends, the four first sliding blocks 441 are slidably disposed on the corresponding first sliding rails 111, and are both connected with a first handle 442 for fixing the first sliding blocks 441 through threads, the sliding sleeve 43 is provided with a rotating hole 431 and a fastening hole 432, the rotating hole 431 is rotatably connected with a rotating rod 433, the fastening hole 432 is connected with a second handle 434 for fixing the rotating rod 433 through threads, one end of the rotating rod 433 is connected with the guide ring 42, the guide ring 42 is connected with a third handle 421 through threads, one end of the third handle 421 extends into the guide ring 42 and is connected with a fastening plate 422, a groove for accommodating the fastening plate 422 is disposed on the inner wall of the guide ring 42, a silicone pad 423 is disposed on the fastening plate 422, the guide ring 42 is provided with a laser generator 424 for emitting a guide laser, and the silicone pad 423 abuts on a side surface of the medicine injector 41 when in use.

Through the above scheme, after the sliding sleeve 43 moves to a proper position, the four first handles 442 are rotated to fix the first sliding blocks 441 on the corresponding first sliding rails 111, so that the positions of the first sliding rod 44 and the second sliding rod 45 are fixed, and the position deviation of the guide ring 42 is avoided. The rotating rod 433 is rotated so that the guide ring 42 is rotated to a proper angle, the second handle 434 is rotated again to fix the rotating rod 433 so that the guide ring 42 guides the medicine syringe 41 to be protruded into the mouth of the animal from a proper angle, and the third handle 421 is rotated again to feed the medicine syringe 41 so that the animal can be accurately fed with the medicine. The laser generator 424 emits a guide laser to be directed to the animal's mouth, thereby guiding the guide ring 42 to rotate to a proper angle to guide the medicine syringe 41 to smoothly protrude into the animal's mouth.

As a specific embodiment of the improvement, the animal mouth part fixer 5 comprises a first spring 51, a second spring 52, a first semicircular ring 53 and a second semicircular ring 54, wherein the left end of the first semicircular ring 53 is provided with a first limiting rod 531, the first spring 51 is sleeved on the first limiting rod 531, the right end of the first semicircular ring 53 is provided with a second limiting rod 532, the second spring 52 is sleeved on the second limiting rod 532, the left end of the second semicircular ring 54 is provided with a first limiting hole 541, the first limiting rod 531 is inserted into the first limiting hole 541, the right end of the second semicircular ring 54 is provided with a second limiting hole 542, the second limiting rod 532 is inserted into the second limiting hole 542, and a medicine feeding port for inserting the medicine injector 41 is arranged between the first semicircular ring 53 and the second semicircular ring 54.

Through the scheme, after the animal mouth fixing device 5 is plugged into the animal mouth, the first spring 51 and the second spring 52 drive the first semicircular ring 53 and the second semicircular ring 54 to move outwards to prop open the animal mouth so as to feed medicine. The first limiting rod 531 is matched with the first limiting hole 541 for limiting, and the second limiting rod 532 is inserted into the second limiting hole 542 for matching limiting, so that the connection between the first semicircular ring 53 and the second semicircular ring 54 is kept, the whole shape of the animal mouth part fixer 5 is kept not to be deformed, and the animal mouth part fixer 5 is prevented from damaging the oral cavity of an animal due to serious deformation. The medicine feeding port is convenient for the insertion of the medicine injector 41, reduces the obstruction and is convenient for medicine feeding.

As a modified specific embodiment, the centers of the first semicircular ring 53 and the second semicircular ring 54 are arranged inwards, the first semicircular ring 53 is provided with a chain 55, and one end of the chain 55 is connected to the inner wall of the box body 1.

Through above-mentioned scheme, the chain 55 is connected stably, strengthens spacingly to fixed spacing animal.

As a modified specific embodiment, each of the first clamp 3 and the second clamp 6 comprises a first connecting rod 31 and a second connecting rod 32, the middle part of the first connecting rod 31 and the middle part of the second connecting rod 32 are rotatably connected, a first handle 33 and a first chuck 34 are respectively arranged at two ends of the first connecting rod 31, a second handle 35 and a second chuck 36 are respectively arranged at two ends of the second connecting rod 32, and the first chuck 34 and the second chuck 36 are symmetrically arranged.

Through the scheme, the first handle 33 and the second handle 35 are held, and the first clamping head 34 and the second clamping head 36 are matched to clamp the animal mouth fixing device 5, so that the use is convenient.

As a modified embodiment, the first clip 34 and the second clip 36 are provided with hooks 37, and the first semicircular ring 53 and the second semicircular ring 54 are provided with clipping holes 56, so that the hooks 37 are inserted into the corresponding clipping holes 56 when in use.

Through the above scheme, the hooks 37 are inserted into the corresponding hook holes 56 so as to clamp the first semicircular ring 53 and the second semicircular ring 54. After the animal mouth part fixer 5 is placed into the animal mouth part, the clamping hook 37 is separated from the clamping hole 56, so that the animal mouth part fixer is convenient to loosen and use.

In a modified embodiment, the first and

second jaws

34, 36 are each coated with an elastic rubber.

Through above-mentioned scheme, elasticity rubber is soft, is difficult for harming animal oral area.

As an improved specific embodiment, a second slide rail 14 is disposed on the bottom surface inside the box body 1, a second slide block 22 is disposed on the push-pull plate 21, the second slide block 22 is slidably connected to the second slide rail 14, so that the push-pull plate 21 slides along the length direction of the second slide rail 14, and a plurality of fixing grooves 23 are disposed on the push-pull rod 2 at equal intervals.

Through the scheme, the push-pull plate 21 slides along the length direction of the second slide rail 14, and is stable in sliding, firm in connection and not easy to loosen. The fixing groove 23 can be clamped on the through hole 12 to fix the push-pull rod 2, and the use is convenient.

As a modified specific embodiment, the through hole 13 is arranged at the bottom of the side edge of the box body 1, and the box body 1 is made of transparent materials.

Through above-mentioned scheme, through-hole 13 sets up in the side bottom of box 1, makes things convenient for operating push-and-pull rod 2, avoids making the animal be injured. Transparent, convenient for observation and convenient for operation.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a medicine feed device of experimental animals, including box (1), characterized by: the animal mouth opening expanding device comprises a push-pull rod (2), a first clamp (3), a second clamp (6), a medicine feeding device (4) and an animal mouth opening fixer (5) for expanding the mouth opening of an animal, wherein an opening (11) is formed in the top surface of a box body (1), the medicine feeding device (4) is arranged on the opening (11), a medicine injector (41) and a guide ring (42) for guiding the medicine injector (41) are arranged on the medicine feeding device (4), a through hole (13) and a plurality of placing holes (12) are formed in the side surface of the box body (1), one end of the push-pull rod (2) penetrates through the through hole (13) to extend into the box body (1) and is connected with a push-pull plate (21), when the animal mouth opening expanding device is used, the push-pull rod (2) is pulled to drive the push-pull plate (21) to move so as to limit the animal, the first clamp (3) and the second clamp (6) both penetrate through the corresponding placing holes (12), the medicine injection device is inserted into the box body (1), the head of an animal is fixed by the second clamp (6), the mouth part fixer (5) of the animal is grabbed by the first clamp (3), the mouth part fixer (5) of the animal is plugged into the mouth part of the animal to prop open the mouth part of the animal, and the medicine injection device (41) penetrates through the guide ring (42) and is inserted into the mouth part of the animal to feed the animal;

the animal mouth fixer (5) is wrapped by a first spring (51), a second spring (52), a first semicircular ring (53) and a second semicircular ring (54), the left end of the first semicircular ring (53) is provided with a first limiting rod (531), the first spring (51) is sleeved on the first limiting rod (531), the right end of the first semicircular ring (53) is provided with a second limiting rod (532), the second spring (52) is sleeved on the second limiting rod (532), the left end of the second semicircular ring (54) is provided with a first limiting hole (541), the first limit rod (531) is inserted into the first limit hole (541), the right end of the second semicircular ring (54) is provided with a second limit hole (542), the second limiting rod (532) is inserted into the second limiting hole (542), and a medicine feeding opening for inserting the medicine injector (41) is formed between the first semicircular ring (53) and the second semicircular ring (54);

the circle centers of the first semicircular ring (53) and the second semicircular ring (54) are arranged inwards, a chain (55) is arranged on the first semicircular ring (53), and one end of the chain (55) is connected to the inner wall of the box body (1);

the first clamp (3) and the second clamp (6) respectively comprise a first connecting rod (31) and a second connecting rod (32), the middle part of the first connecting rod (31) is rotatably connected with the middle part of the second connecting rod (32), a first handle (33) and a first chuck (34) are respectively arranged at two ends of the first connecting rod (31), a second handle (35) and a second chuck (36) are respectively arranged at two ends of the second connecting rod (32), and the first chuck (34) and the second chuck (36) are symmetrically arranged;

the first clamping head (34) and the second clamping head (36) are respectively provided with a clamping hook (37), the first semicircular ring (53) and the second semicircular ring (54) are respectively provided with a clamping hole (56), and when the clamp is used, the clamping hook (37) of the first clamp (3) is inserted into the corresponding clamping hole (56); the medicine feeding device (4) further comprises a sliding sleeve (43), a first sliding rod (44) and a second sliding rod (45), the first sliding rod (44) and the second sliding rod (45) are perpendicular to each other, two ends of each of the first sliding rod (44) and the second sliding rod (45) are connected to the box body (1) in a sliding mode, a first sliding hole (431) and a second sliding hole (432) are formed in the sliding sleeve (43), the first sliding rod (44) penetrates through the first sliding hole (431), the second sliding rod (45) penetrates through the second sliding hole (432) so that the sliding sleeve (43) can be arranged above the opening (11) in a sliding mode, and the guide ring (42) is arranged on the sliding sleeve (43);

the edge of the opening (11) is provided with four first sliding rails (111), the four first sliding rails (111) are arranged in a square shape, two ends of each of the first sliding rod (44) and the second sliding rod (45) are provided with first sliding blocks (441), the four first sliding blocks (441) are arranged on the corresponding first sliding rails (111) in a sliding mode and are connected with first handles (442) used for fixing the first sliding blocks (441) in a threaded mode, the sliding sleeve (43) is provided with rotating holes (435) and fastening holes (436), the rotating holes (435) are rotatably connected with rotating rods (433), the fastening holes (436) are connected with second handles (434) used for fixing the rotating rods (433) in a threaded mode, one end of each rotating rod (433) is connected with the guide ring (42), the guide ring (42) is connected with a third handle (421) in a threaded mode, and one end of the third handle (421) extends into the guide ring (42), and be connected with mounting plate (422), be provided with the recess that holds mounting plate (422) on the inner wall of guide ring (42), be provided with silica gel pad (423) on mounting plate (422), be provided with laser generator (424) that are used for launching guide laser on guide ring (42), when using, silica gel pad (423) butt is on the side of medicament syringe (41).

2. The feeding device for laboratory animals according to claim 1, wherein: the first clamping head (34) and the second clamping head (36) are both coated with elastic rubber.

3. The feeding device for laboratory animals according to any of claims 1 to 2, characterized in that: the bottom surface in the box body (1) is provided with a second slide rail (14), the push-pull plate (21) is provided with a second slide block (22), the second slide block (22) is connected with the second slide rail (14) in a sliding mode so that the push-pull plate (21) can slide along the length direction of the second slide rail (14), and the push-pull rod (2) is further provided with a plurality of fixing grooves (23) which are arranged at equal intervals.

4. The feeding device for laboratory animals according to any of claims 1 to 2, characterized in that: the through hole (13) is formed in the bottom of the side edge of the box body (1), and the box body (1) is made of transparent materials.