Livestock oral cavity dilator

The livestock oral cavity retractor, with its adjustable mechanism and binding rope design, solves the problem of insufficient stability in existing oral cavity retractors, achieving stable opening and safe fixation of the oral cavity of different livestock, and improving the convenience and safety of veterinary operations.

CN223900875UActive Publication Date: 2026-02-13莒南县畜牧发展促进中心
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Patent Information

Application Number
CN202520251293.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-02-13
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing livestock oral retractors are not very stable when dealing with larger livestock, cannot maintain the appropriate oral retraction size, and are prone to slipping, affecting the safety of veterinary procedures.

Method used

An oral cavity expander for livestock was designed. The expansion mechanism adjusts the distance between the U-shaped support bars for the lower teeth and the U-shaped support bars for the upper teeth, and the expansion mechanism is fixed to the head of the livestock with a binding rope. Combined with the tongue depressor mechanism, the tongue is firmly pressed down to ensure the stability and safety of the oral cavity expansion.

Benefits of technology

It achieves stable and reliable opening of the livestock's mouth, preventing slippage, improving the convenience and safety of veterinary operations, adapting to the needs of different livestock mouth sizes, and reducing discomfort for the livestock.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of veterinary instruments, and discloses a livestock oral cavity dilator which comprises a U-shaped beam, a lower tooth U-shaped supporting lever is fixedly mounted on the front side of the U-shaped beam, an adjusting mechanism is arranged on the U-shaped beam, an upper tooth U-shaped supporting lever is arranged on the adjusting mechanism and located above the lower tooth U-shaped supporting lever, and a lower tooth U-shaped supporting lever is arranged above the upper tooth U-shaped supporting lever. The adjusting mechanism is used for adjusting the height position of the upper tooth U-shaped supporting lever. Compared with the prior art, the oral cavity expander has the following advantages and effects that the distance between the lower tooth U-shaped supporting lever and the upper tooth U-shaped supporting lever can be conveniently adjusted, the oral cavity of livestock can be expanded to a proper size, stable and reliable support can be continuously provided for expanding the oral cavity of the livestock, the oral cavity expander can be conveniently bound and fixed to the head of the livestock, and the use is convenient. The oral cavity dilator is prevented from sliding off in the using process and does not need to be held by a veterinarian or other personnel, and operation such as oral cavity examination and treatment by the veterinarian is more convenient.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of veterinary instruments, in particular to a livestock oral cavity spreader. BACKGROUND

[0002] In the process of livestock breeding, livestock often need to be treated when they are sick. The livestock oral cavity spreader is a tool commonly used by veterinarians when examining, treating or operating on the oral cavity of livestock. After the body of the livestock is fixed by binding or other methods, the livestock oral cavity is spread open using the livestock oral cavity spreader, so that the veterinarian can clearly observe the internal conditions of the oral cavity, including the teeth, gums, tongue, throat and other parts, to facilitate disease diagnosis, treatment operations such as tooth extraction, treatment of oral ulcers, and cleaning of oral foreign objects, and to prevent the livestock from suddenly closing the mouth during the examination or treatment process, thereby avoiding biting the hands or medical instruments of the veterinarian and ensuring the safety of the veterinarian and the livestock. According to a search, a patent document with the authorization announcement number CN219835709U discloses an animal oral cavity spreader, which includes two mounting plates, a cylinder fixedly connected to the lower end of the mounting plate, the cylinder penetrating through the upper end mounting plate and being in sliding connection with the mounting plate, two mounting plates being elastically connected by a spring, and a tooth storage groove for accommodating animal teeth fixedly connected to both mounting plates. A rotating part is provided on the lower end mounting plate to press the tongue of the animal. The animal oral cavity spreader can press the tongue of the animal to avoid the influence of the stirring of the animal's tongue on the operation of the veterinarian.

[0003] The above-mentioned related scheme has at least the following disadvantages in actual use: only by utilizing the elastic potential energy of the spring and cooperating with the two mounting plates to spread open the oral cavity of the livestock, the stability is poor. When the upper and lower rows of teeth of a large-sized livestock exert a large biting force on the two mounting plates, the distance between the two mounting plates will be easily changed, resulting in that the support for the spread open oral cavity of the livestock cannot be maintained at a proper and unchanging size, and thus the spread open oral cavity of the livestock cannot be ensured to be stable and reliable.

[0004] Therefore, we propose a livestock oral cavity spreader to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide a livestock oral cavity spreader, which has the effect of facilitating the adjustment of the distance between the lower tooth U-shaped support rod and the upper tooth U-shaped support rod, can spread open the oral cavity of the livestock to a proper size, can continuously provide stable and reliable support for the spread open oral cavity of the livestock, and is convenient for binding and fixing the oral cavity spreader on the head of the livestock, preventing the oral cavity spreader from falling off during use, and does not need to be held by the veterinarian or other personnel, thereby making it more convenient for the veterinarian to perform oral cavity examination, treatment and other operations.

[0006] The above technical problem of the present application is achieved by the following technical scheme: a livestock oral cavity expander, comprising a U-shaped beam, a lower tooth U-shaped support rod is fixedly installed on the front side of the U-shaped beam, an adjusting mechanism is arranged on the U-shaped beam, an upper tooth U-shaped support rod is arranged on the adjusting mechanism, the upper tooth U-shaped support rod is located above the lower tooth U-shaped support rod, the adjusting mechanism is used for adjusting the height position of the upper tooth U-shaped support rod, a silica gel sleeve is fixedly installed on the lower tooth U-shaped support rod and the upper tooth U-shaped support rod, and a tongue pressing mechanism is arranged on the U-shaped beam and used for pressing against the tongue of the livestock.

[0007] Further, the adjusting mechanism comprises a lead screw, a lifting seat and a knob, a vertical groove one is formed on the front side of the U-shaped beam, the lead screw is rotatably installed in the vertical groove one, the lifting seat is slidably installed in the vertical groove one and threadedly sleeved on the lead screw, one end of the upper tooth U-shaped support rod is fixedly connected with the front side wall of the lifting seat, the top end of the lead screw extends to the outside of the U-shaped beam, and the knob is fixedly installed on the top end of the lead screw.

[0008] Further, the U-shaped beam is provided with a vertical groove two, a sliding seat is slidably installed in the vertical groove two, one end of the upper tooth U-shaped support rod away from the lifting seat is fixedly connected with the front side wall of the sliding seat, a guide rod is fixedly installed in the vertical groove two, and the sliding seat is slidably sleeved on the guide rod.

[0009] Further, the tongue pressing mechanism comprises a pull plate, a tongue pressing plate and a locking assembly, the bottom of the pull plate is in contact with the inner wall of the bottom of the U-shaped beam, the tongue pressing plate is fixedly installed on the front end of the pull plate, and the pull plate is fixed on the inner wall of the bottom of the U-shaped beam through the locking assembly.

[0010] Further, the locking assembly comprises a threaded column, a spring pad and a locking nut, the threaded column is fixedly installed on the inner wall of the bottom of the U-shaped beam, the pull plate is movably sleeved on the threaded column, the spring pad is movably sleeved on the threaded column and in contact with the top of the pull plate, and the locking nut is threadedly installed on the threaded column and in contact with the top of the spring pad.

[0011] Further, a strip-shaped hole is formed on the pull plate, and the top end of the threaded column penetrates through the strip-shaped hole.

[0012] Further, the diameter size of the spring pad is greater than the inner width size of the strip-shaped hole.

[0013] Further, the lower surface of the tongue pressing plate is higher than the top surface of the silica gel sleeve sleeved on the lower tooth U-shaped support rod.

[0014] Further, three binding ropes are fixedly connected with the outer walls on the left and right sides of the U-shaped beam.

[0015] The present application comprises at least one of the following beneficial technical effects:

[0016] 1、The present application is convenient to adjust the distance between the lower teeth U-shaped support rod and the upper teeth U-shaped support rod by using the adjusting mechanism, can open the livestock's oral cavity to the appropriate size, can continuously provide stable and reliable support for opening the livestock's oral cavity, even if the upper and lower teeth of the livestock exert a certain occlusal force on the lower teeth U-shaped support rod and the upper teeth U-shaped support rod, the distance between the lower teeth U-shaped support rod and the upper teeth U-shaped support rod will not be easily changed, thereby ensuring the stable and reliable opening of the livestock's oral cavity.

[0017] 2、The present application can stably press the livestock's tongue after opening the livestock's oral cavity by using the tongue pressing mechanism, without causing excessive compression to the livestock, which is helpful for the veterinarian to more conveniently perform oral cavity inspection, treatment and other operations.

[0018] 3、The present application binds and fixes the oral cavity expander on the livestock's head by using six binding ropes, prevents the oral cavity expander from falling off during use, does not need the veterinarian or other personnel to hold the oral cavity expander with hands, is more convenient for the veterinarian to perform oral cavity inspection, treatment and other operations, the uniform distribution of the binding ropes can provide balanced tension to ensure the stability of the expander during use, and the installation process is simple and fast, improving the operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the front view structure schematic diagram of the embodiment.

[0020] Figure 2 is the rear view structure schematic diagram of the embodiment.

[0021] Figure 3 is the top view structure schematic diagram of the embodiment.

[0022] Figure 4 is the top view structure schematic diagram of the pull plate and the tongue pressing plate.

[0023] In the figure, 1, U-shaped beam; 2, lower teeth U-shaped support rod; 3, upper teeth U-shaped support rod; 4, silica gel sleeve; 5, vertical groove one; 6, lead screw; 7, lifting seat; 8, knob; 9, vertical groove two; 10, sliding seat; 11, guide rod; 12, threaded column; 13, pull plate; 14, tongue pressing plate; 15, spring pad; 16, locking nut; 17, strip hole; 18, binding rope. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0025] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a livestock oral cavity expander, comprising a U-shaped beam 1, a lower tooth U-shaped support rod 2 is fixedly installed on the front side of the U-shaped beam 1, an adjusting mechanism is arranged on the U-shaped beam 1, an upper tooth U-shaped support rod 3 is arranged on the adjusting mechanism, the upper tooth U-shaped support rod 3 is located above the lower tooth U-shaped support rod 2, the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 are both made of stainless steel material, so as to ensure sufficient strength and durability, the adjusting mechanism is used for adjusting the height position of the upper tooth U-shaped support rod 3, a silica gel sleeve 4 is fixedly installed on the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3, the silica gel sleeve 4 can effectively avoid damage caused by direct contact between the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 and the teeth of the livestock, the silica gel sleeve 4 is soft in texture and can play a buffering and protection role, so as to reduce the discomfort of the livestock in the process of expanding the oral cavity.

[0026] In this embodiment, the adjusting mechanism includes a lead screw 6, a lifting seat 7 and a knob 8, the front side of the U-shaped beam 1 is provided with a vertical groove one 5, the lead screw 6 is rotatably installed in the vertical groove one 5, the lifting seat 7 is slidably installed in the vertical groove one 5 and threadedly sleeved on the lead screw 6, one end of the upper tooth U-shaped support rod 3 is fixedly connected with the front side wall of the lifting seat 7, the top end of the lead screw 6 extends out of the U-shaped beam 1, and the knob 8 is fixedly installed on the top end of the lead screw 6. Through the adjusting mechanism, that is, the lead screw 6, the lifting seat 7 and the knob 8, the height position of the upper tooth U-shaped support rod 3 can be easily and accurately adjusted, that is, the distance between the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 is changed. Rotating the knob 8 drives the lead screw 6 to rotate, so that the lifting seat 7 slides up and down in the vertical groove one 5, thereby adjusting the height of the upper tooth U-shaped support rod 3 to adapt to the size of the oral cavity of different livestock and the opening requirement, improving the versatility of the instrument. Moreover, the height of the upper tooth U-shaped support rod 3 is adjusted by the threaded connection between the lifting seat 7 and the lead screw 6, which has the advantages of accurate position adjustment, stable self-locking and simple operation. The threaded connection has a precise pitch design. By rotating the lead screw 6, the lifting seat 7 can be raised or lowered with a very small displacement. This means that the height of the upper tooth U-shaped support rod 3 can be finely adjusted to accurately meet the unique opening requirements of different livestock oral cavities. Whether it is a small livestock or a large livestock, the opening effect is just right, avoiding harm to the livestock due to excessive or insufficient opening; after adjustment, the threaded connection has good self-locking performance. Once the rotation of the lead screw 6 is stopped, the lifting seat 7 will be stably maintained at the current position under the action of the thread, and will not change the height due to the struggle of the livestock or slight external vibration. This stable self-locking feature ensures that the upper tooth U-shaped support rod 3 can always maintain the set height during the entire operation process. Even if the upper and lower teeth of the livestock exert a certain occlusal force on the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3, the distance between the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 will not be easily changed, thereby continuously providing stable and reliable support for opening the oral cavity of the livestock.

[0027] In this embodiment, the front side of the U-shaped beam 1 is provided with a vertical groove two 9, a sliding seat 10 is slidably installed in the vertical groove two 9, one end of the upper tooth U-shaped support rod 3 away from the lifting seat 7 is fixedly connected with the front side wall of the sliding seat 10, a guide rod 11 is fixedly installed in the vertical groove two 9, and the sliding seat 10 is slidably sleeved on the guide rod 11. This structure design makes the upper tooth U-shaped support rod 3 stable during adjustment and use, and will not shake or deviate, ensuring the opening effect of the oral cavity of the livestock.

[0028] In this embodiment, the tongue pressing mechanism is arranged on the U-shaped beam 1, and is used for pressing against the tongue of the livestock. The tongue pressing mechanism comprises a pull plate 13, a tongue pressing plate 14 and a locking assembly. The bottom of the pull plate 13 is in contact with the inner wall of the bottom of the U-shaped beam 1. The tongue pressing plate 14 is fixedly installed at the front end of the pull plate 13. The pull plate 13 is fixed on the inner wall of the bottom of the U-shaped beam 1 through the locking assembly. The locking assembly comprises a threaded column 12, a spring pad 15 and a locking nut 16. The threaded column 12 is fixedly installed on the inner wall of the bottom of the U-shaped beam 1. The pull plate 13 is movably sleeved on the threaded column 12. The spring pad 15 is movably sleeved on the threaded column 12 and is in contact with the top of the pull plate 13. The locking nut 16 is threadedly installed on the threaded column 12 and is in contact with the top of the spring pad 15. The cooperation of the pull plate 13, the tongue pressing plate 14 and the locking assembly can stably press against the tongue of the livestock after the mouth of the livestock is opened. The position of the tongue pressing plate 14 can be adjusted according to actual needs by adjusting the locking nut 16, so that the tongue pressing plate 14 can effectively press against the tongue and will not cause excessive compression to the livestock.

[0029] In this embodiment, a strip-shaped hole 17 is formed in the pull plate 13, and the top end of the threaded column 12 penetrates through the strip-shaped hole 17, so that the pull plate 13 can move smoothly. The diameter of the spring pad 15 is greater than the inner width of the strip-shaped hole 17, so as to ensure the stability and reliability of the locking and fixing of the pull plate 13.

[0030] In this embodiment, the lower surface of the tongue pressing plate 14 is higher than the top surface of the silica gel sleeve 4 sleeved on the lower teeth U-shaped support rod 2, so that the tongue pressing plate 14 can smoothly enter the mouth of the livestock when the mouth is opened, and will not be blocked by the silica gel sleeve 4 on the lower teeth U-shaped support rod 2, so as to ensure that the tongue can be fully pressed and the operation on the inside of the mouth of the livestock, such as examination and treatment, is not hindered.

[0031] In this embodiment, three evenly distributed binding ropes 18 are fixedly connected to the left and right outer walls of the U-shaped beam 1. The design of the binding ropes 18 facilitates the binding and fixing of the mouth opener on the head of the livestock, prevents the mouth opener from falling off during use, and does not need to be held by the veterinarian or other personnel, so that the veterinarian can more conveniently perform the operation of mouth examination, treatment and the like. The uniform distribution of the binding ropes 18 can provide balanced tension, so as to ensure the stability of the mouth opener during use. Meanwhile, the installation process is simple and fast, and the operation efficiency is improved.

[0032] Through the above structure, the working principle of the livestock mouth opener provided by the present application is as follows:

[0033] After the livestock is tied and fixed, the oral cavity expander is taken, the silica gel sleeve 4 on the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 is transversely inserted into the oral cavity of the livestock, so that the upper teeth of the livestock are in contact with the silica gel sleeve 4 on the upper tooth U-shaped support rod 3, and the lower teeth of the livestock are in contact with the silica gel sleeve 4 on the lower tooth U-shaped support rod 2, then the knob 8 is rotated clockwise to drive the screw rod 6 to rotate, since the lifting seat 7 is sleeved on the screw rod 6 in a threaded manner and slides in the vertical groove one 5, the rotation of the screw rod 6 drives the lifting seat 7 to slide upward in the vertical groove one 5, thereby driving the upper tooth U-shaped support rod 3 fixedly connected with the lifting seat 7 to move upward, so that the distance between the lower tooth U-shaped support rod 2 and the upper tooth U-shaped support rod 3 gradually increases, at the same time, the upper tooth U-shaped support rod 3 drives the sliding seat 10 to slide upward in the vertical groove two 9 along the guide rod 11, so as to ensure the stability of the upper tooth U-shaped support rod 3 during adjustment and use, and prevent the upper tooth U-shaped support rod 3 from shaking or deviating, with the continuous upward movement of the upper tooth U-shaped support rod 3, the oral cavity of the livestock can be gradually expanded, when the oral cavity of the livestock is expanded to a proper size, the rotation of the knob 8 is stopped, and the operation of expanding the oral cavity of the livestock is completed.

[0034] After the oral cavity of the livestock is expanded, the six tying ropes 18 can be used to tie the head of the livestock, so as to fix the oral cavity expander on the head of the livestock, prevent the oral cavity expander from falling off during use, and provide convenience for the veterinarian to perform oral cavity detection, treatment and other operations, and the uniformly distributed tying ropes 18 can provide balanced tension to ensure the stability of the expander during fixing and use.

[0035] After the oral cavity expander is fixed on the head of the livestock, the lock nut 16 can be loosened according to actual needs, so as to release the locking and fixing of the pull plate 13, the position of the pull plate 13 on the threaded column 12 can be adjusted, so as to adjust the position of the tongue plate 14, insert the tongue plate 14 into the oral cavity of the livestock to a proper depth, so that the tongue of the livestock can be effectively pressed without causing excessive compression to the livestock, then the lock nut 16 is tightened to lock the tongue plate 14 in position, at this time, the tongue plate 14 will not interfere with the internal operation of the oral cavity, and the tongue of the livestock is pressed by the tongue plate 14, which is helpful for the veterinarian to more conveniently check and treat the oral cavity of the livestock.

Claims

1. Livestock mouth gag, characterized in that The utility model provides a livestock dental care device, including U type beam (1), the front side fixed mounting of U type beam (1) is with lower teeth U type support pole (2), be provided with adjusting mechanism on U type beam (1), be provided with upper teeth U type support pole (3) on adjusting mechanism, upper teeth U type support pole (3) is located the upper of lower teeth U type support pole (2), adjusting mechanism is used for adjusting the height position of upper teeth U type support pole (3), lower teeth U type support pole (2) and upper teeth U type support pole (3) all fixedly install the sleeve of silica gel (4), be provided with tongue pressing mechanism on U type beam (1), and the tongue pressing mechanism is used for pressing the tongue of domestic animal.

2. The livestock oral cavity spreader of claim 1, wherein: The adjusting mechanism includes a lead screw (6), a lifting seat (7) and a knob (8), a vertical groove one (5) is formed in the front side of the U-shaped beam (1), the lead screw (6) is rotatably installed in the vertical groove one (5), the lifting seat (7) is slidably installed in the vertical groove one (5) and is threadedly sleeved on the lead screw (6), one end of the upper teeth U-shaped support rod (3) is fixedly connected with the front side wall of the lifting seat (7), the top end of the lead screw (6) extends out of the U-shaped beam (1), and the knob (8) is fixedly installed on the top end of the lead screw (6).

3. The livestock oral cavity spreader of claim 2, wherein: A vertical groove two (9) is formed in the front side of the U-shaped beam (1), a sliding seat (10) is slidably installed in the vertical groove two (9), the end of the upper teeth U-shaped support rod (3) away from the lifting seat (7) is fixedly connected with the front side wall of the sliding seat (10), a guide rod (11) is fixedly installed in the vertical groove two (9), and the sliding seat (10) is slidably sleeved on the guide rod (11).

4. The livestock oral cavity spreader of claim 1, wherein: The tongue pressing mechanism includes a pull plate (13), a tongue pressing plate (14) and a locking assembly, the bottom of the pull plate (13) is in contact with the inner wall of the bottom of the U-shaped beam (1), the tongue pressing plate (14) is fixedly installed at the front end of the pull plate (13), and the pull plate (13) is fixed on the inner wall of the bottom of the U-shaped beam (1) by the locking assembly.

5. The livestock oral cavity spreader of claim 4, wherein: The locking assembly includes a threaded column (12), a spring pad (15) and a locking nut (16), the threaded column (12) is fixedly installed on the inner wall of the bottom of the U-shaped beam (1), the pull plate (13) is movably sleeved on the threaded column (12), the spring pad (15) is movably sleeved on the threaded column (12) and is in contact with the top of the pull plate (13), and the locking nut (16) is threadedly installed on the threaded column (12) and is in contact with the top of the spring pad (15).

6. The livestock oral spreader of claim 5, wherein: A strip-shaped hole (17) is formed in the pull plate (13), and the top end of the threaded column (12) penetrates through the strip-shaped hole (17).

7. The livestock oral cavity spreader of claim 6, wherein: The diameter of the spring pad (15) is greater than the inner width of the strip-shaped hole (17).

8. The livestock oral spreader of claim 4, wherein: The lower surface of the tongue pressing plate (14) is higher than the top surface of the silica gel sleeve (4) sleeved on the lower teeth U-shaped support rod (2).

9. The livestock oral cavity spreader of claim 1, wherein: Three evenly distributed binding ropes (18) are fixedly connected to the outer walls on the left and right sides of the U-shaped beam (1).

Citation Information

Patent Citations

  • Animal oral cavity dilator

    CN219835709U