Mouth gag for animal medical experiment
By designing an oral slit with a fixed rod, a movable rod, and an adjustment mechanism, the shortcomings of existing oral slits in terms of adjustment and safety are solved. This enables flexible adjustment of oral cavity size and protects the safety of animals and laboratory personnel, thus meeting the usage requirements.
Patent Information
- Application Number
- CN202422938098.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing animal mouth openers are inadequate in terms of ease of opening and closing, making it difficult to meet usage needs, especially in terms of size adjustment and the safety of animals and laboratory personnel.
An oral cavity opener was designed, comprising a fixed rod, a movable rod, and an adjustment mechanism. The movable rod can be extended or retracted by the adjustment mechanism to achieve appropriate adjustment of the oral cavity opening size. The design uses silicone dental sleeves and stainless steel materials to protect the safety of animals and laboratory personnel.
It enables flexible adjustment of the oral cavity opening size, frees up operating space, improves versatility and safety, facilitates oral examination and drug administration, and protects the safety of animals and laboratory personnel.
Smart Images
Figure CN223653989U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to animal medical experiment auxiliary instrument technical field, concretely relates to an animal medical experiment is with mouth gag. BACKGROUND
[0002] The animal mouth gag is mainly an auxiliary instrument for limiting the animal to close the mouth when the animal is experimented, such as medicine is given to the experimental monkey or oral cavity is examined, can prevent the personnel from being bitten when examining and giving medicine, and protects the animal teeth from being damaged.
[0003] At present, the mouth gags on the market mainly have three types: the first kind is fixed structure, and the size is not adjustable, and the adaptability to animals is poor, and it is difficult to put into the animal when the animal opens the mouth, and it is easy to fall off when the animal opens the mouth big; the second kind has multiple gears, but needs to be pre-adjusted in size, and although different sizes can be pre-set, since the size of the animal's oral cavity is not easy to estimate accurately, the similar problems of the first kind also exist; the third kind can freely adjust the opening size when being used, but since the adjusting mechanism is in the front of the oral cavity, a part of the operation space and the field of vision are blocked, and it is inconvenient for the experimental personnel to give medicine or examine the oral cavity.
[0004] Based on the principle of the above several kinds of mouth gags on the market, various animal mouth gags are improved and designed on the market, but the convenience of opening and closing is still not satisfactory, and the use demand cannot be met. CONTENT OF THE UTILITY MODEL
[0005] In view of the defects of the prior art, the utility model provides an animal medical experiment mouth gag to solve the problems that the existing mouth gags are inconvenient to open and close and are difficult to meet the use demand.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] An animal medical experiment mouth gag, comprising:
[0008] A fixed rod is used for being put into the oral cavity of the animal to press the lower jaw;
[0009] A movable rod is used for being put into the oral cavity of the animal to open the upper jaw; and
[0010] An adjusting mechanism is used for adjusting the movable rod to stretch out or retract to be away from or close to the fixed rod;
[0011] The adjusting mechanism is provided with a pair of fixed rods and a pair of movable rods, one end of each of the fixed rods is connected to the two ends of the fixed rod respectively, and one end of each of the movable rods is connected to the two ends of the movable rod respectively; each movable rod body is hingedly connected to the side surface of one end of each fixed rod close to the fixed rod, and each movable rod is hingedly connected with a connecting rod and a sliding sleeve in sequence from one end away from the movable rod; the sliding sleeve is slidably sleeved on the fixed rod, and a nut is threadedly connected to the fixed rod, and the nut is rotationally connected to the outer side of the sliding sleeve.
[0012] In one embodiment of the present application, the middle part of the fixed rod is curved into an arc-shaped structure, and a lower dental brace made of silica gel is detachably connected to the fixed rod for the lower teeth of the animal to bite to achieve fixation.
[0013] In one embodiment of the present application, the rear side of the lower dental brace is connected with a tongue depressor.
[0014] In one embodiment of the present application, the surface of the fixed rod in contact with the oral cavity of the animal is bonded with a first silica gel pad;
[0015] The first silica gel pads are symmetrically distributed on the two sides of the lower dental brace for protecting the oral cavity of the animal.
[0016] In one embodiment of the present application, the movable rod comprises a sub-rod member with a plug rod and a female rod member with a plug hole, the plug rod is slidably inserted into the plug hole to enable the coaxial relative movement of the sub-rod member and the female rod member;
[0017] The ends of the sub-rod member and the female rod member opposite to each other are respectively connected to one of the movable rods, and silica gel upper dental braces are detachably connected to the sub-rod member and the female rod member respectively for the upper teeth of the animal to bite to achieve fixation.
[0018] In one embodiment of the present application, the surfaces of the fixed rod and the movable rod are smooth, and both are made of stainless steel.
[0019] In one embodiment of the present application, the end of the movable rod connected to the movable rod is curved into an arc-shaped part to facilitate the insertion of the mouth opener into the oral cavity of the animal.
[0020] In one embodiment of the present application, the surface of the arc-shaped part in contact with the oral cavity of the animal is bonded with a second silica gel pad for protecting the oral cavity of the animal.
[0021] In one embodiment of the present application, the fixed rod is sequentially divided into a smooth rod section, a threaded section and a handle section, one end of the smooth rod section away from the threaded section is connected to the fixed rod;
[0022] The movable rod body is hingedly connected to the pin shaft radially arranged in the middle part of the smooth rod section, the sliding sleeve is slidably sleeved on the threaded section, and the nut is threadedly connected to the threaded section.
[0023] The handle section is used as a handrail of the mouth opener.
[0024] In one embodiment of the present application, the nut is a wing nut.
[0025] Compared with the prior art, the mouth opener has the following beneficial effects:
[0026] 1. The adjusting mechanism can adjust the size of the animal's mouth opening on the left and right sides, release the operation space and field of view in front of the mouth, and is very beneficial for the experimental personnel to perform oral examination, oral administration or feeding operations, and the size of the mouth opening can be adjusted up and down at any time during use, which is more convenient for opening and closing and meets the use requirements.
[0027] 2. The middle part of the fixed rod is bent downward, which can expand the adjustment range of the size of the animal's mouth opening, so that the mouth opener is suitable for different animals to improve the versatility, and more operation space in front of the mouth can be provided for the experimental personnel to perform oral examination, oral administration or feeding operations; the lower dental sleeve made of silica gel can fix the lower teeth of the animal to prevent sliding and effectively protect the safety of the experimental personnel, and the soft texture can protect the lower teeth of the animal from being injured during occlusion; the lower dental sleeve can be detachably connected, which means that different lower dental sleeves can be replaced to match the alveoli and tooth types of the lower teeth of different animals, further improving the versatility of the mouth opener.
[0028] 3. The upper dental sleeve made of silica gel can fix the upper teeth of the animal to prevent sliding and effectively protect the safety of the experimental personnel, and the soft texture can protect the upper teeth of the animal from being injured during occlusion; the upper dental sleeve can be detachably connected, which means that different upper dental sleeves can be replaced to match the alveoli and tooth types of the upper teeth of different animals, further improving the versatility of the mouth opener.
[0029] 4. The fixed rod and the movable rod with smooth surfaces are not easy to cause injury to the animal and the experimental personnel, and the stainless steel material is rust-resistant and has a long service life.
[0030] 5. The handle section provided on the fixed rod can be conveniently held by the experimental personnel to improve the stability of the experimental process. BRIEF DESCRIPTION OF DRAWINGS
[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0032] Figure 1 is a structural schematic view in the closed state of the utility model;
[0033] Figure 2 is a structural schematic view in the opened state of the utility model. DETAILED DESCRIPTION
[0034] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.
[0035] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0036] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.
[0037] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0038] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can include the first and second features directly contact, or can include the first and second features not directly contact but contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface of" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0039] The following disclosure provides many different embodiments or examples for implementing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model.
[0040] The embodiments of the utility model will be described in detail below with reference to the drawings.
[0041] Referring to Figure 1 And Figure 2 The utility model provides an animal medical experiment is with opening ware, including:
[0042] The fixed rod 100 is used for putting into the oral cavity of animal to press down the mandible;
[0043] The movable rod 200 is used for putting into the oral cavity of animal to open the upper jaw; And
[0044] Adjusting mechanism 300 is used for adjusting the telescopic of movable rod 200 to be away from or close to fixed rod 100;
[0045] Among them, adjusting mechanism 300 is equipped with a pair of fixed rods 310 and a pair of movable rods 320, a pair of fixed rods 310 is connected to the both ends of fixed rod 100 respectively, and a pair of movable rods 320 is connected to the both ends of movable rod 200 respectively;The rod body of each movable rod 320 is hinged to the side surface of the one end of each fixed rod 310 close to fixed rod 100, and the one end of each movable rod 320 away from movable rod 200 is sequentially hinged with connecting rod 330 and sliding sleeve 340, sliding sleeve 340 is slidably sleeved on fixed rod 310, and nut 350 is screw-connected on fixed rod 310, and nut 350 is rotationally connected to the outside of sliding sleeve 340.
[0046] When using, the opening ware is used to Figure 1The closed state shown is put into the mouth of an experimental animal (such as an experimental monkey), and the fixed rod 100 is pressed against the lower jaw, the movable rod 200 is pressed against the upper jaw, and then the left and right nuts 350 are rotated to make the sleeve 340 slide on the fixed rod 310, and through the power transmission of the connecting rod 330 and the movable rod 320, the movable rod 200 is extended and moved upward to move away from the fixed rod 100, thereby increasing the distance between the upper jaw and the lower jaw; when it is necessary to adjust the opening size of the animal's mouth, the left and right nuts 350 are respectively screwed towards the fixed rod 100 in the middle, the sleeve 340 is pushed towards the fixed rod 100, and through the power transmission of the connecting rod 330 and the movable rod 320, the movable rod 200 is retracted and moved downward to approach the fixed rod 100, thereby reducing the distance between the upper jaw and the lower jaw. That is, through the adjusting mechanism 300, the opening size of the animal's mouth can be adjusted on the left and right sides, the operating space and field of view in front of the mouth are released, which is very helpful for the experimental personnel to perform oral examination, oral administration or feeding, etc. Moreover, the opening size of the mouth can be adjusted up and down at any time during use, which is more convenient to open and close and meets the use requirements.
[0047] The middle part of the fixed rod 100 is curved downward into an arc-shaped structure, and a lower dental sleeve 110 made of silica gel is detachably connected, which is used for the animal's lower teeth to bite to achieve fixation. The middle part of the fixed rod 100 is curved downward, which can expand the adjustment range of the opening size of the animal's mouth, thereby making the mouth opener suitable for different animals to improve the versatility, and at the same time, more operating space in front of the mouth can be released, which is more convenient for the experimental personnel to perform oral examination, oral administration or feeding, etc. The lower dental sleeve 110 made of silica gel can fix the animal's lower teeth to prevent sliding, effectively protecting the safety of the experimental personnel, and the soft texture can protect the animal's lower teeth from being injured when biting. The lower dental sleeve 110 is detachably connected, which means that different lower dental sleeves 110 can be replaced to match the dental socket and tooth type of different animals, thereby further improving the versatility of the mouth opener.
[0048] In order to prevent the tongue of the experimental animal from rolling up and hindering the operation of the experimental personnel, a tongue depressor (not shown in the figure) is connected to the rear side of the lower dental sleeve 110.
[0049] The side of the fixed rod 100 in contact with the animal's mouth is bonded with a first silica gel pad 120, and the first silica gel pad 120 is symmetrically distributed on both sides of the lower dental sleeve 110, which is used to protect the animal's mouth.
[0050] The movable rod 200 comprises a male rod member 210 with a rod and a female rod member 220 with a hole, the rod is slidably inserted into the hole to allow the male rod member 210 and the female rod member 220 to move coaxially and oppositely; the ends of the male rod member 210 and the female rod member 220 opposite to each other are connected with a moving rod 320, and the male rod member 210 and the female rod member 220 are detachably connected with upper dental braces 230 made of silica gel, which are used to fix the upper teeth of the animal to achieve fixation. The moving rod 320 rotates, and the male rod member 210 and the female rod member 220 move oppositely under the sliding cooperation of the rod and the hole, so as to realize the expansion and contraction of the movable rod 200; the upper dental braces 230 made of silica gel can fix the upper teeth of the animal to prevent sliding and effectively protect the safety of the experimenter, and the soft texture can protect the upper teeth of the animal from being injured when biting; the detachable connection of the upper dental braces 230 means that different upper dental braces 230 can be replaced to match the dental groove and tooth type of the upper teeth of different animals, thereby improving the versatility of the mouth opener again.
[0051] In the embodiment, the fixed rod 100 and the movable rod 200 have smooth surfaces and are made of stainless steel. The smooth surface is not easy to cause injury to the animal and the experimenter, and the stainless steel material is rust-resistant and has a long service life.
[0052] The end of the moving rod 320 connected with the movable rod 200 (i.e. the male rod member 210 and / or the female rod member 220) is bent into an arc-shaped part to facilitate the mouth opener to be put into the oral cavity of the animal.
[0053] The surface of the arc-shaped part in contact with the oral cavity of the animal is bonded with a second silica gel pad 321 for protecting the oral cavity of the animal.
[0054] The fixed rod 310 is sequentially divided into a light rod section 311, a threaded section 312 and a handle section 313, the end of the light rod section 311 away from the threaded section 312 is connected with the fixed rod 100; the rod body of the moving rod 320 is hingedly connected with a pin shaft radially arranged in the middle of the light rod section 311, a sliding sleeve 340 is slidably sleeved on the threaded section 312, and a nut 350 is threadedly connected to the threaded section 312; the handle section 313 is used as a handrail of the mouth opener. When operating, the experimenter holds the handle sections 313 at both ends, and the mouth opener can be put into the oral cavity of the animal, and during the experiment, the handle section 313 can be held by the experimenter to fix, so as to adjust the opening size of the oral cavity of the animal, perform oral examination, oral administration or feeding, etc. That is to say, the handle section 313 arranged on the fixed rod 310 can be conveniently held by the experimenter to fix, and the stability of the experiment process can be improved.
[0055] In the embodiment, the nut 350 is preferably a butterfly nut, which is more convenient to hand screw.
[0056] The above embodiments are only preferred embodiments of the present application, and are not a limitation on the technical solutions of the present application. Any technical solutions that can be realized on the basis of the above embodiments without creative labor should be considered to fall within the scope of protection of the present application.
Claims
1. An oral gag for animal medical experiments, characterized in that, The animal medical experimental mouth gag comprises a fixed rod, a movable rod and an adjusting mechanism. The fixed rod is arranged in the animal mouth to press the lower jaw. The movable rod is arranged in the animal mouth to stretch the upper jaw. The adjusting mechanism is arranged to adjust the extension of the movable rod to be away from or close to the fixed rod. The adjusting mechanism comprises a pair of fixed rods and a pair of movable rods. Each of the fixed rods is connected to the two ends of the fixed rod.
2. The animal medical experimental gag according to claim 1, characterized by Each of the movable rods is connected to the two ends of the movable rod.
3. The animal medical experimental gag of claim 2 wherein, Each of the movable rods is hinged to the side of each of the fixed rods close to the fixed rod. Each of the movable rods is hinged to the connecting rod and the sliding sleeve in sequence. The sliding sleeve is slidably sleeved on the fixed rod. The fixed rod is screwed with the nut. The nut is rotationally connected to the outside of the sliding sleeve. The middle part of the fixed rod is curved into an arc structure. The lower tooth cover made of silica gel is detachably connected to the fixed rod.
6. The animal medical experimental gag of claim 5 wherein, The tongue plate is connected to the rear side of the lower tooth cover.
7. The animal medical experimental gag of claim 1 or 6, wherein 4. The animal medical experimental mouth gag according to claim 2 or 3, wherein:
8. The animal medical experimental gag of claim 7 wherein, The first silica gel pad is symmetrically arranged on the two sides of the lower tooth cover.
5. The animal medical experimental mouth gag according to any one of claims 1-3, wherein: The movable rod comprises a sub-rod with a plug rod and a female rod with a plug hole. The plug rod is slidably inserted into the plug hole to enable the coaxial relative movement of the sub-rod and the female rod. The sub-rod and the female rod are connected to the movable rod.
10. The animal medical experimental gag of claim 1 or 9, wherein The upper tooth cover made of silica gel is detachably connected to the sub-rod and the female rod. The fixed rod and the movable rod are smooth and made of stainless steel. The end of the movable rod connected to the movable rod is curved into an arc part. The second silica gel pad is symmetrically arranged on the two sides of the lower tooth cover.
9. The animal medical experimental mouth gag according to claim 1, wherein: The fixed rod comprises a light rod segment, a threaded segment and a handle segment. The end of the light rod segment away from the threaded segment is connected to the fixed rod. The movable rod is hinged to the pin shaft arranged in the middle of the light rod segment. The sliding sleeve is slidably sleeved on the threaded segment. The nut is screwedly connected to the threaded segment. The handle segment is used as the handrail of the mouth gag. The nut is a butterfly nut.