阅读说明：本技术 一种实验动物保定桶 (Experimental animals baoding bucket ) 是由 陆小松 洪敏� 李青梅 周敏杰 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种实验动物保定桶,其包括桶身、躯干固定架和固定架支撑盖,桶身包括用于推送实验动物的等径桶体和与等径桶体连通但内径减缩的实验动物固定段,固定架支撑盖嵌设于等径桶体的起始端,该实验动物保定桶还包括气囊型头部固定圈、气囊型躯干固定圈和支撑柱,气囊型头部固定圈设置在实验动物固定段的末端；气囊型躯干固定圈和支撑柱设于桶身内,躯干固定架由固定架支撑盖和支撑柱共同支撑,支撑柱上固设有气囊型躯干固定圈,为倒立的拱形结构,桶身还包括上桶身和下桶身,上桶身可开合地安装在下桶身上。本发明在确保实验动物的固定效果,简化了动物放置过程,提高了实验成功率的同时,改善了实验动物福利。(The invention discloses an experimental animal holding barrel which comprises a barrel body, a trunk fixing frame and a fixing frame supporting cover, wherein the barrel body comprises an isometric barrel body used for pushing an experimental animal and an experimental animal fixing section which is communicated with the isometric barrel body and has a reduced inner diameter; in gasbag type truck retainer plate and support column located the ladle body, the truck mount supported lid and support column jointly by the mount, set firmly gasbag type truck retainer plate on the support column, for the domes of handstand, the ladle body still includes ladle body and lower ladle body, goes up the ladle body and can install on lower ladle body with opening and shutting. The invention ensures the fixing effect of the experimental animal, simplifies the animal placing process, improves the success rate of the experiment and improves the welfare of the experimental animal.)

1. The utility model provides an experimental animals baoding bucket, supports lid (19) including ladle body (1), truck mount (14) and mount, the both ends of ladle body (1) are open structure, ladle body (1) include one be used for propelling movement experimental animals the constant diameter staving and with the experimental animals canned paragraph that the constant diameter staving intercommunication nevertheless internal diameter reduces, mount support lid (19) inlay and locate the initiating terminal of constant diameter staving, its characterized in that, it is including: gasbag type head retainer plate (2), gasbag type truck retainer plate (15) and support column (16), wherein:

the air bag type head fixing ring (2) is arranged at the tail end of the experimental animal fixing section;

the air bag type trunk fixing ring (15) and the supporting column (16) are arranged in the barrel body (1), one end of the trunk fixing frame (14) penetrates through the fixing frame supporting cover (19), the other end of the trunk fixing frame penetrates through the supporting column (16), the fixing frame supporting cover (19) and the supporting column (16) support together, the air bag type trunk fixing ring (15) is fixedly arranged on the supporting column (16), the bottom end of the supporting column (16) is in contact with the inner bottom surface of the barrel body (1), the shape of the bottom end of the supporting column (16) is matched with that of the barrel body, and the air bag type trunk fixing ring (15) is of an inverted arch structure and is used for fixing the trunk part of an experimental animal;

the barrel body (1) comprises an upper barrel body (11) and a lower barrel body (12), wherein the upper barrel body (11) can be arranged on the lower barrel body (12) in an openable and closable manner.

2. The laboratory animal holding tank according to claim 1, wherein said air bag type head fixing ring (2) comprises a corrugated cortex packing material (23) and an air bag (24) disposed inside said corrugated cortex packing material (23), said air bag (24) being connected to said squeeze type inflatable ball (18).

3. The laboratory animal holding tank as claimed in claim 1, wherein said air bag type trunk fixing ring (15) is an air bag of an inverted arch structure, said air bag is connected to an air pipe (17), and said air pipe (17) is connected to a squeeze type inflatable ball (18).

4. The laboratory animal holding tank according to claim 3, wherein said air tube (17) is inserted into a connecting gap formed between said upper tank body (11) and said lower tank body (12), or said lower tank body (12) is provided with an opening, and said air tube (17) is inserted into said opening.

5. The laboratory animal holding bucket according to claim 1, wherein the air bag type head fixing ring (2) comprises an upper fixing ring (21) and a lower fixing ring (22), the upper fixing ring (21) is communicated with one end of the lower fixing ring (22), the other end of the upper fixing ring is enclosed to form a gap, and the gap is communicated with an opening gap formed by the upper bucket body (11) and the lower bucket body (12).

6. Laboratory animal holding bucket according to claim 1, characterized in that the bucket body (1) further comprises a hinge device (13), the upper bucket body (11) being openably and closably mounted on the lower bucket body (12) by means of the hinge device (13).

7. The laboratory animal holding tank according to claim 1, wherein said laboratory animal holding section further comprises an inner diameter reducing section connected to said body having a constant diameter, and a constant diameter transition section connected to said balloon-type head fixing ring (2).

8. The laboratory animal holding tank according to claim 7, wherein said constant diameter transition section is provided with a venous blood collection port (121).

9. The laboratory animal holding tank according to claim 1, wherein said tank body (1) is a transparent tank body, and said holding frame support cover (19) is detachably and fixedly connected to the starting end of said isometric tank body.

10. The laboratory animal holding tank according to claim 1, comprising a roller device (3), wherein the roller device (3) comprises a fixed bottom plate (31), a driving roller ring (32) and a driven roller half-ring (33), the driving roller ring (32) and the driven roller half-ring (33) are both fixedly mounted on the fixed bottom plate (31), the driving roller ring (32) is disposed around the outer wall surface of the starting end of the isometric tank body, the driven roller half-ring (33) is disposed around the outer wall surface of the lower tank body (12), and balls are disposed in the driving roller ring (32) and the driven roller half-ring (33).

Technical Field

The invention relates to an experimental animal fixing barrel.

Background

Animal experiment is in order to guarantee operating personnel's safety, prevents to be bitten by the animal, needs special baoding device to baoding experimental animals, and experimental animals baoding bucket is a baoding device commonly used in the experiment for prevent that experimental animals from moving and then influencing the experiment effect, has brought very big convenience for animal experiment.

As shown in fig. 1 traditional laboratory animal baoding bucket, simple structure reserves two mouthfuls at ladle body both ends, and one end is provided with the lid, and in the use, open the lid by operating personnel and go into the laboratory animal head inwards by this end plug, and the recess department of the laboratory animal fixing device of piston form lets the rat tail spill, does not let his party crouch, and the ladle body size is equivalent with the animal size, and the animal leans on the piston to pass forward with the gesture of lying wherein, and the mouth that stretches out from the other end is followed to the head of laboratory animal until the head of laboratory animal. Then the cover is covered, and the experimental animal is fixed by pushing the piston-shaped experimental animal fixing device.

However, the above-mentioned laboratory animal fixing barrel has the following disadvantages:

above-mentioned laboratory animal baoding bucket is fixed knot structure, and its each part size all can't be adjusted, but laboratory animal's size all differs, leads to the fixed effect to laboratory animal not good, and the difficulty is placed to the animal to laboratory animal is extremely uncomfortable by fixed in-process, also has the risk of card dying in laboratory animal baoding bucket, influences the experimental result to a certain extent, leads to the experiment failure even.

Disclosure of Invention

The invention aims to overcome the defects that the fixing effect of the conventional laboratory animal fixing barrel is poor, animals are difficult to place, the laboratory animals are extremely uncomfortable in the fixing process and are also blocked in the laboratory animal fixing barrel, the experiment result is influenced to a certain extent, and even the experiment is failed.

The invention solves the technical problems through the following technical scheme:

the utility model provides a bucket is decided to experimental animals baoding, supports the lid including ladle body, truck mount and mount, the both ends of ladle body are open structure, the ladle body include one be used for propelling movement experimental animals the constant diameter staving and with the experimental animals canned paragraph that the constant diameter staving intercommunication but the internal diameter reduces, the mount supports the lid and inlays to be located the initiating terminal of constant diameter staving, the truck mount passes decide the frame and support the lid center, its characterized in that, it is including having: gasbag type head retainer plate, gasbag type truck retainer plate and support column, wherein: the air bag type head fixing ring is arranged at the tail end of the experimental animal fixing section and used for fixing the head of the experimental animal; the air bag type trunk fixing ring and the supporting column are arranged in the barrel body; one end of the trunk fixing frame penetrates through the fixing frame supporting cover, the other end of the trunk fixing frame penetrates through the supporting column, the fixing frame supporting cover and the supporting column are jointly used for supporting, the air bag type trunk fixing ring is fixedly arranged on the supporting column, the bottom end of the supporting column is in contact with the inner bottom surface of the barrel body and is matched with the inner bottom surface of the barrel body in shape, and the positions of the supporting column and the air bag type trunk fixing ring in the barrel body are controlled by pushing and pulling the trunk fixing frame; the air bag type trunk fixing ring is of an inverted arch structure and is used for fixing the trunk part of the experimental animal; the upper barrel body can be mounted on the lower barrel body in an openable and closable manner, and the experimental animal can be directly placed in the upper barrel body by opening the upper barrel body.

Further, gasbag type head retainer plate include fold cortex package material with set up in gasbag in the fold cortex package material, the gasbag is aerifyd the ball with the extrusion formula and is linked to each other, through the extrusion formula is aerifyd the ball right the gasbag is aerifyd, the extrusion formula is aerifyd the ball and is aerifyd the in-process and pass through valve control, makes gasbag type head retainer plate can adapt to not the baoding of the experimental animals of equidimension after aerifing.

Further, gasbag type truck retainer plate is inverted arch structure's gasbag, the gasbag links to each other with a trachea, the trachea aerifys the ball with the extrusion formula and links to each other, through the trachea with the extrusion formula aerifys the ball right the gasbag is aerifyd, the extrusion formula is aerifyd the ball and is aerifyd the in-process and pass through valve control, makes gasbag type truck retainer plate can adapt to not equidimension experimental animals' baoding after aerifing.

Further, the trachea wear to locate go up the ladle body with the joint gap department that forms between the ladle body down, perhaps, be equipped with a trompil on the ladle body down, the trachea wears to locate the trompil.

Furthermore, the air bag type head fixing ring comprises an upper fixing ring and a lower fixing ring, the upper fixing ring is communicated with one end of the lower fixing ring, the other end of the upper fixing ring is enclosed to form a gap, and the gap is communicated with an opening and closing gap formed by the upper barrel body and the lower barrel body. Open go up the ladle body reaches go up the solid ring, arrange experimental animals' neck in down on the solid ring, the adjustment the truck mount the mount supports the lid the support column with when the position of gasbag type truck retainer plate makes experimental animals truck stretch naturally, its truck is arranged in on the gasbag type truck retainer plate, close go up the ladle body reaches go up the solid ring, and right gasbag type head retainer plate with gasbag type truck retainer plate aerifys to the laboratory animals is decided to the guarantor.

Furthermore, the barrel body still includes the hinge device, go up the barrel body and pass through the hinge device is opened and shut and is installed on the lower barrel body.

Furthermore, the experimental animal fixed section also comprises an inner diameter reduction end connected with the equal-diameter barrel body and an equal-diameter transition section, and the equal-diameter transition section is connected with the air bag type head fixing ring.

Further, the gasbag type head retainer plate be equipped with a vein blood sampling mouth on the constant diameter changeover portion, at the in-process of placing experimental animals, through the rotatory adjustment experimental animals neck artery position of circumference, make it conform with vein blood sampling mouth position.

Furthermore, the barrel body is transparent, and the fixing frame supporting cover is detachably and fixedly connected with the starting end of the equal-diameter barrel body.

Further, laboratory animal baoding bucket includes roller device, roller device includes PMKD, initiative gyro wheel circle and driven roller half-turn, initiative gyro wheel circle with the equal fixed mounting of driven roller half-turn is in PMKD, initiative gyro wheel circle is located the outer wall of the initiating terminal of constant diameter staving, driven roller half-turn ring is located the outer wall of ladle body down, initiative gyro wheel circle with all be provided with the ball in the driven roller half-turn, through roller device can make the ladle body overturns with arbitrary angle, can make vein blood collection mouth upset to the position of being convenient for the blood sampling.

The laboratory animal fixing barrel provided by the invention is suitable for fixing different laboratory animals, such as rats.

The positive progress effects of the invention are as follows:

1. the fixing device is suitable for experimental animals of various sizes, ensures the fixing effect of the experimental animals of different sizes, and improves the success rate of the experiment;

2. the comfort of the experimental animal in the experimental process is ensured, and the welfare of the experimental animal is improved;

3. the convenience and the success rate of placing the experimental animal are improved;

4. through the roller device and the vein blood sampling port which are preferably arranged, the blood sampling process is simplified, the blood sampling operation can be completed by only one operator, and the risk that the operator is bitten by the experimental animal is reduced;

5. through the transparent ladle body and the gyro wheel device of preferred setting, can all-round observation experimental animals.

Drawings

Fig. 1 is a structural schematic diagram of a prior art laboratory animal holding barrel.

Fig. 2 is a schematic structural diagram of a holding barrel for experimental animals according to the present invention.

Fig. 3 is a schematic structural view of the airbag type head fixing ring of the present invention.

The labels in the figure are: 1. a barrel body; 2. an air bag type head fixing ring; 3. a roller device; 11. an upper barrel body; 12. a lower barrel body; 13. a hinge device; 14. a trunk fixing frame; 15. an air bag type trunk fixing ring; 16. a support pillar; 17. an air tube; 18. extruding type inflatable balls; 19. a fixed frame supporting cover; 21. fixing a ring; 22. fixing the ring at the lower part; 23. a corrugated cortical packing material; 24. an air bag; 31. fixing the bottom plate; 32. an active rim; 33. half circle of driven roller; 121. a vein blood taking port.

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions.

Examples

The experimental animal fixation bucket of this example was designed for rats.

As shown in fig. 2 a laboratory animal baoding bucket, including ladle body 1, truck mount 14 and mount support lid 19, both ends are open structure, and ladle body 1 includes an isometric staving that is used for the propelling movement rat and communicates but the laboratory animal canned paragraph of internal diameter reduction with isometric staving, and mount support lid 19 inlays the initiating terminal of locating the isometric staving, still including: gasbag type head retainer plate 2, gasbag type truck retainer plate 15 and support column 16, wherein: the air bag type head fixing ring 2 is arranged at the tail end of the experimental animal fixing section; the air bag type trunk fixing ring 15 and the supporting column 16 are arranged in the barrel body 1, one end of the trunk fixing frame 14 penetrates through the fixing frame supporting cover 19, the other end of the trunk fixing frame 14 penetrates through the supporting column 16 and is supported by the fixing frame supporting cover 19 and the supporting column 16 together, the air bag type trunk fixing ring 15 is fixedly arranged on the supporting column 16, the bottom end of the supporting column 16 is in contact with the inner bottom surface of the barrel body 1 and is matched with the inner bottom surface of the barrel body 1 in shape, and the positions of the supporting column 16 and the air bag type trunk fixing ring 15 in the barrel body 1 are controlled by pushing and pulling the trunk fixing frame 14; the air bag type trunk fixing ring 15 is of an inverted arch structure and is used for fixing the trunk part of a rat; the tub 1 includes an upper tub 11 and a lower tub 12, and the upper tub 11 is openably mounted on the lower tub 12.

The air bag type head fixing ring 2 comprises a wrinkled cortical packing material 23 and an air bag 24 arranged in the wrinkled cortical packing material 23, the air bag 24 is connected with an extrusion type inflatable ball 18, the air bag 24 is inflated through the extrusion type inflatable ball 18, and the extrusion type inflatable ball 18 is controlled by a valve in the inflating process, so that the air bag type head fixing ring 2 can adapt to the fixation of rats with different sizes after being inflated.

Gasbag type truck retainer plate 15 is inverted arch structure's gasbag, and the gasbag links to each other with a trachea 17, and trachea 17 aerifys ball 18 with the extrusion formula and links to each other, aerifys ball 18 through trachea 17 and extrusion formula and aerifys the gasbag, and the extrusion formula is aerifyd ball 18 and is aerifing the in-process and pass through valve control, makes gasbag type truck retainer plate 15 can adapt to not the baoding of the big or small rat of equidimension after aerifing.

The air pipe 17 is arranged at the connecting gap formed between the upper barrel body 11 and the lower barrel body 12 in a penetrating way, or an opening is arranged on the lower barrel body 12, and the air pipe 17 is arranged in the opening in a penetrating way.

The air bag type head fixing ring 2 comprises an upper fixing ring 21 and a lower fixing ring 22, wherein one end of the upper fixing ring 21 is communicated with one end of the lower fixing ring 22, the other end of the upper fixing ring is enclosed to form a gap, and the gap is communicated with an opening and closing gap formed by the upper barrel body 11 and the lower barrel body 12. The upper barrel body 11 and the upper fixing ring 21 are opened, the neck of a rat is placed on the lower fixing ring 22, the positions of the trunk fixing frame 14, the fixing frame supporting cover 19, the supporting column 16 and the air bag type trunk fixing ring 15 are adjusted, when the trunk of the rat naturally extends, the trunk of the rat is placed on the air bag type trunk fixing ring 15, the upper barrel body 11 and the upper fixing ring 21 are closed, and the air bag type head fixing ring 2 and the air bag type trunk fixing ring 15 are inflated to keep the rat.

The barrel body 1 further comprises a hinge device 13, and the upper barrel body 11 is mounted on the lower barrel body 12 through the hinge device 13 in an opening and closing mode.

The experimental animal fixing section also comprises an inner diameter reducing end connected with the equal-diameter barrel body and an equal-diameter transition section, and the equal-diameter transition section is connected with the air bag type head fixing ring 2.

The equal-diameter transition section of the air bag type head fixing ring 2 is provided with a venous blood sampling port 121, and the position of the neck artery of the rat is adjusted through circumferential rotation in the rat placing process, so that the position of the neck artery coincides with the position of the venous blood sampling port 121.

The barrel body 1 is a transparent barrel body. The fixed frame supporting cover 19 is detachably and fixedly connected with the starting end of the equal-diameter barrel body.

The experimental animals baoding bucket still includes roller device 3, and roller device 3 includes PMKD 31, initiative gyro wheel circle 32 and driven gyro wheel semicircle 33, and initiative gyro wheel circle 32 and the equal fixed mounting of driven gyro wheel semicircle 33 are on PMKD 31, and the outer wall of the initiating terminal of constant diameter staving is located to initiative gyro wheel circle 32 ring, and the outer wall of ladle body 12 is located down to driven gyro wheel semicircle 33 ring, all is provided with the ball in initiative gyro wheel circle 32 and the driven gyro wheel semicircle 33. Through the roller device 3, the barrel body 1 can be turned over at any angle, and the venous blood collection port 121 can be turned over to a position convenient for blood collection.

When the experimental animal fixing barrel is used for an experiment requiring rat fixing, the operation process is as follows:

the upper barrel body 11 and the upper fixing ring 21 are opened, a rat is placed into the barrel body 1, the neck of the rat is placed on the lower fixing ring 22, the supporting column 16 and the air sac type trunk fixing ring 15 are controlled by pushing and pulling the trunk fixing frame 14, the position of the air sac type trunk fixing ring 15 in the barrel body 1 is adjusted, when the trunk of the rat naturally extends, the trunk of the rat is placed on the air sac type trunk fixing ring 15, the artery position of the neck of the rat is adjusted through circumferential rotation, the artery position of the neck of the rat is matched with the position of the venous blood sampling port 121, the upper barrel body 11 and the upper fixing ring 21 are closed through the hinge device 13, the extrusion type inflatable ball 18 and the air pipe 17 connected with the extrusion type inflatable ball 18 are controlled through a valve to respectively inflate the air sac 24 in the air sac type head fixing ring 2 and the air sac type trunk fixing ring 15, the air sac type head fixing ring 2 and the air sac type trunk fixing ring 15 are inflated until the rat body type is adapted to the rat body type, and the rat is completely kept, the head of rat at this moment exposes outside ladle body 1, the experimenter can administer to the rat, accessible rolls ladle body 1 and overturns ladle body 1 so that the reaction of rat is conveniently observed more comprehensively in the observation process after dosing, when needing to carry out the vein blood sampling to the rat, accessible upset ladle body 1 makes the rat neck upwards, then take a blood sample from vein blood sampling mouth 121, use through the adjustment extrusion formula when the gassing finishing at whole equipment and inflate the valve of ball 18 and come the gassing, the principle and the application method of extrusion formula inflatable ball 18 are equivalent to the sphygmomanometer gasbag, for can purchase article.