Mouth gag for mouse and rabbit experiments
By designing an oral cavity opener suitable for pikas and rabbits, and using a sleeve and locking mechanism to keep the oral cavity open, the problem of oral cavity interruption caused by reflex activity in anesthetized mice was solved, thus achieving experimental stability and convenience.
Patent Information
- Application Number
- CN202422601044.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-28
AI Technical Summary
In experiments with mice and rabbits, anesthetized mice still exhibit reflexes such as licking and sucking, which interrupts the oral field of vision during the experiment, making it difficult for them to keep their mouths open and complicating the experiment.
An oral cavity opener was designed, comprising left and right opening parts, a sleeve, and a locking mechanism. It is designed to keep the mouth open by being fitted onto the rabbit's upper and lower incisors and using the locking mechanism. The sleeve has a rubber layer inside to protect the teeth, the hook-shaped design facilitates opening, and the locking mechanism ensures stable support.
It achieves stable opening of the rabbit's mouth, is easy to operate, avoids falling during the mouth support process, and ensures the smooth progress of the experiment.
Smart Images
Figure CN223601573U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mouth gag, specifically relates to a kind of mouth gag for pika experiment. BACKGROUND
[0002] Pika experiment can be directly placed into pika oral cavity by mouth opening at present to carry out oral administration to study the absorption, metabolism and effect of drug in gastrointestinal tract, for example, when testing new drug for treating digestive system disease, the influence of drug on pika digestive system after oral administration can be observed, the efficacy and safety of drug are evaluated, the absorption and utilization of different nutrient components by pika are observed, for example, the metabolism process of certain vitamin or trace element in pika body is researched to provide reference for human nutrition research, and pika also needs to open oral cavity during experimental oral mucosa tissue or tongue tissue resection process, which is oral surgery operation.
[0003] During pika oral experiment, experimental pika needs to be anesthetized, and then experiment is carried out, but experimental pika still licks, sucks and has reflex activity after anesthesia, and there is conditional reflex activity under anesthesia condition because there is still vital sign, and these factors often lead to interruption of experimental process, which brings difficulty to experimental technician, so during pika oral experiment, it is difficult for artificial to expose pika oral cavity to required visual field without placing equipment, and mouth gag needs to be used, so the device provides a kind of mouth gag for pika experiment. SUMMARY
[0004] The utility model aims at the deficiency of prior art, provides a kind of mouth gag for pika experiment to solve the technical problem mentioned above.
[0005] The utility model embodiment adopts the following technical scheme: including mouth gag for carrying out opening operation, sleeve for being sleeved on upper and lower teeth of pika and locking mechanism for limiting and locking mouth gag, the mouth gag includes left opening piece and right opening piece, the left opening piece and right opening piece are symmetrically arranged, spring is arranged between the left opening piece and right opening piece, the sleeve is equipped with two, two sleeve is respectively arranged in the end of left opening piece and right opening piece and is symmetrically arranged, the locking mechanism is arranged on the mouth gag,
[0006] When the device needs to support the opening of the pika during the experiment, the two sleeves are directly sleeved on the upper and lower incisors of the pika, and then the ends of the left and right opening pieces are inwardly converged, and the left and right opening pieces are opened, so that the pika is conveniently opened, and after being opened, the ends of the left and right opening pieces are locked by the locking mechanism, so that the opening of the oral cavity is always in a supporting and opening state, thereby facilitating the work of subsequent workers.
[0007] Further, the bottoms of the left and right opening pieces are hook-shaped.
[0008] Further, the two sleeves are each internally provided with a sleeving groove for sleeving on the upper and lower incisors of the pika, and the two sleeving grooves are each internally provided with a rubber layer.
[0009] Further, the two sleeving grooves are each flat and elliptical in shape.
[0010] Further, the locking mechanism comprises a locking shaft, a locking frame, locking hooks and a locking block, the locking shaft is arranged on the right opening piece, the end of the locking frame is sleeved on the locking shaft and is rotationally connected, the locking hooks are arranged at equal intervals in the locking frame, and the locking block is arranged on the left opening piece and located in the locking frame.
[0011] The above-mentioned at least one technical scheme adopted by the embodiment of the present application can achieve the following beneficial effects:
[0012] When the oral cavity of the pika is opened, the two sleeves are conveniently sleeved on the upper and lower incisors of the experimental animal, then the ends of the left and right opening pieces are inwardly converged, and the left and right opening pieces are opened, thereby driving the two sleeves to be opened, at this time, the upper and lower incisors of the experimental animal are in an opened state, then according to the opening condition, the locking frame is rotated, so that the locking block is clamped in the corresponding locking hook, thereby achieving the function of limiting the left and right opening pieces, thereby realizing the function of opening and continuously supporting the oral cavity of the pika. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.
[0014] Figure 1 For the three-dimensional structure of the utility model Figure One ;
[0015] Figure 2 For the three-dimensional structure of the utility model Figure Two ;
[0016] Figure 3 For Figure 1 the enlarged view of A in the middle;
[0017] Figure 4 For Figure 2 the enlarged view of B in the middle.
[0018] Reference signs
[0019] The opening device 1, the left opening part 11, the right opening part 12, the sleeve 2, the sleeve groove 21, the rubber layer 22, the locking mechanism 3, the locking shaft 31, the locking frame 32, the locking hook 33, the locking block 34. Specific implementation
[0020] To make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the utility model specific embodiment and corresponding drawings to clearly and completely describe the utility model technical scheme. Obviously, the described embodiment is only a part of the utility model embodiment, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.
[0021] The following will combine the drawings and specifically describe the technical scheme provided by each embodiment of the utility model.
[0022] The utility model embodiment provides a kind of opening device for Ochotonidae experiment, including being used to carry out opening operation opening device 1, sleeve 2 for being used to sleeve on the upper and lower incisors of Ochotonidae and be used to limit locking locking mechanism 3 of opening device 1, the opening device 1 includes left opening part 11 and right opening part 12, the left opening part 11 and right opening part 12 are symmetrically arranged, spring is equipped between the left opening part 11 and right opening part 12, two sleeve 2 are equipped, two sleeve 2 are respectively arranged in the end of left opening part 11 and right opening part 12 and symmetrically arranged, locking mechanism 3 is arranged on opening device 1,
[0023] When the device needs to support the opening of the pika during the experiment, the two sleeves 2 are directly sleeved on the upper and lower teeth of the pika, then the ends of the left opening piece 11 and the right opening piece 12 are folded inward, and the left opening piece 11 and the right opening piece 12 are opened, so that the pika is conveniently opened, and after opening, the ends of the left opening piece 11 and the right opening piece 12 are locked by the locking mechanism 3, so that the oral cavity is always in a supporting open state after opening, thereby facilitating the work of subsequent workers.
[0024] The opener in the device is similar to a traditional pincer tool.
[0025] In a further preferred embodiment of the present application, the bottom of the left opening piece 11 and the right opening piece 12 is hook-shaped.
[0026] By hooking the bottom of the left opening piece 11 and the right opening piece 12, the two sleeves 2 can be better stressed and opened, and the oral cavity of the pika can be conveniently opened.
[0027] In a further preferred embodiment of the present application, the two sleeves 2 are each provided with a sleeving groove 21 for sleeving on the upper and lower teeth of the pika, and the two sleeving grooves 21 are each provided with a rubber layer 22.
[0028] The two sleeves 2 in the device can be designed in a corresponding size according to the size of the upper and lower teeth of the traditional experimental mouse and the experimental rabbit, so that the two sleeves 2 are in a matching state.
[0029] By providing the two sleeving grooves 21 with rubber layers 22, the two sleeves 2 can be sleeved on the required upper and lower teeth, thereby protecting and reducing the pain of experimental animals.
[0030] In a further preferred embodiment of the present application, the two sleeving grooves 21 are each provided in a flat elliptical shape.
[0031] Since the teeth are provided in a flat shape, in order to better sleeve and prevent the mismatch from falling off, the two sleeving grooves 21 are each provided in a flat elliptical shape.
[0032] The utility model further preferably embodies the locking mechanism 3 includes locking axle 31, locking frame 32, locking clamping hook 33 and locking block 34, locking axle 31 sets up on right opening piece 12, the end of locking frame 32 is set on locking axle 31 and is rotationally connected, locking clamping hook 33 is equipped with several, several locking clamping hook 33 respectively in order equidistance sets in locking frame 32 inside, locking block 34 sets up on left opening piece 11 and is located in locking frame 32, locking block 34 can form position restraint through corresponding locking clamping hook 33;
[0033] When the mouse rabbit oral cavity is opened, first, the two sleeves 2 are conveniently sleeved on the upper and lower teeth of the mouse rabbit experimental animal, then, the left opening piece 11 and the right opening piece 12 are inwardly converged, and the left opening piece 11 and the right opening piece 12 are opened, so as to drive the two sleeves 2 to be opened, at this time, the upper and lower teeth of the experimental animal are in an open state, then, according to the opening condition, the locking frame 32 is rotated, so that the locking block 34 is clamped in the corresponding locking clamping hook 33, so as to limit the left opening piece 11 and the right opening piece 12, so as to realize the opening and continuous support of the mouse rabbit oral cavity, the device is convenient for opening the mouse rabbit oral cavity, and the device will not fall off during the oral cavity support opening process, so as to greatly ensure the normal work of the experimental personnel.
[0034] The above is only an embodiment of the utility model and does not limit the utility model. For those skilled in the art, the utility model can be variously changed and varied. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the claim range of the utility model.
Claims
1. A pika class experimental speculum, characterized by: Include; The mouth opener (1) for carrying out the opening operation; The sleeve (2) for being sleeved on the upper and lower incisors of the pika; The locking mechanism (3) for limiting and locking the mouth opener (1); The mouth opener (1) comprises a left opening piece (11) and a right opening piece (12), the left opening piece (11) and the right opening piece (12) are symmetrically arranged, a spring is arranged between the left opening piece (11) and the right opening piece (12), two sleeves (2) are arranged, the two sleeves (2) are symmetrically arranged at the ends of the left opening piece (11) and the right opening piece (12), and the locking mechanism (3) is arranged on the mouth opener (1).
2. The Leporine experimental speculum according to claim 1, wherein: The bottom of the left opening piece (11) and the right opening piece (12) is hook-shaped.
3. The Leporine experimental speculum of claim 1 wherein: The two sleeves (2) are internally provided with sleeve grooves (21) for being sleeved on the upper and lower incisors of the pika, and the two sleeve grooves (21) are internally provided with rubber layers (22).
4. The Leporine experimental speculum of claim 1 wherein: The two sleeve grooves (21) are flat and elliptical in shape.
5. The Leporine experimental speculum of claim 1 wherein: The locking mechanism (3) comprises a locking shaft (31), a locking frame (32), locking hooks (33) and a locking block (34), the locking shaft (31) is arranged on the right opening piece (12), the end of the locking frame (32) is sleeved on the locking shaft (31) and is rotationally connected, the locking hooks (33) are arranged in plurality, the plurality of locking hooks (33) are sequentially and equidistantly arranged in the locking frame (32), the locking block (34) is arranged on the left opening piece (11) and located in the locking frame (32), and the locking block (34) is positionally constrained by the corresponding locking hooks (33).