Rat tooth extraction instrument set

Abstract

The utility model relates to the technical field of mouse tooth extraction instruments, and discloses a mouse tooth extraction instrument set, which comprises a tooth extraction stiff handle and a tooth extraction forceps grab handle, one end of the tooth extraction stiff handle is fixedly connected with a tooth extraction stiff rod, one end of the tooth extraction stiff rod far away from the tooth extraction stiff handle is fixedly connected with a tooth extraction stiff blade, and the tooth extraction forceps grab handle is fixedly connected with the tooth extraction stiff blade. One end of the dental forceps grab handle is fixedly connected with a lower fixing disc, the inner wall of the lower fixing disc is rotatably connected with a first rotating column, the outer wall of the first rotating column is fixedly connected with a first forceps beak, the interior of the lower fixing disc is rotatably connected with a second rotating column, and the outer wall of the second rotating column is fixedly connected with a second forceps beak. According to the utility model, the first beak and the second beak are arc-shaped saw teeth, one end of the first clamp beak is provided with three second beaks, one end of the second clamp beak is provided with two first beaks, the shape of a mouse tooth is matched, clamping slippage is avoided, all tooth roots can be uniformly and firmly clamped by the clamp holder, and stable support is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of rat tooth extraction instruments, in particular to a set of rat tooth extraction instruments. Background Art

[0002] The rat tooth extraction model is a commonly used animal model in oral science research. At present, it is difficult to form a unified method for constructing the tooth extraction model. The use of conventional medical instruments cannot form a fitting, effective, convenient and high-success-rate method for extracting rat teeth. Especially during the extraction process, the tooth crown is fragile, the shape is irregular and difficult to clamp, and the tooth root is slender and easy to break. In order to ensure the success rate of establishing models at the same tooth extraction site, a set of tooth extraction instruments for rats is designed.

[0003] Conventional medical instruments for rat tooth extraction, such as a needle holder or a vascular forceps for clamping teeth, cannot fit the shape of rat teeth, resulting in clamping slippage. For example, an apical forceps has a large force and is easy to crush the tooth crown. At the same time, it may clamp adjacent teeth and cause damage. While the micro forceps, needle holder, etc. have insufficient clamping force or the clamping is prone to slippage. The thinner clinical elevator or apical elevator used for creating space has a relatively wide and thick elevator blade and cannot be inserted into the periodontal ligament space of rats, nor can it play the role of increasing the periodontal ligament space. Therefore, a set of rat tooth extraction instruments is proposed. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a set of rat tooth extraction instruments, aiming to improve the problems that the existing technology cannot fit the shape of rat teeth, resulting in clamping slippage and easy crushing of the tooth crown.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A set of rat tooth extraction instruments includes an extraction elevator handle and an extraction forceps handle. One end of the extraction elevator handle is fixedly connected with an extraction elevator rod, and the end of the extraction elevator rod far from the extraction elevator handle is fixedly connected with an extraction elevator blade. One end of the extraction forceps handle is fixedly connected with a lower fixed disk. The inner wall of the lower fixed disk is rotationally connected with a first rotating column, and the outer wall of the first rotating column is fixedly connected with a first forceps beak. The inside of the lower fixed disk is rotationally connected with a second rotating column, and the outer wall of the second rotating column is fixedly connected with a second forceps beak. Three second beak openings are provided at one end of the first forceps beak, and two first beak openings are provided at one end of the second forceps beak. An adjusting assembly is arranged at the upper end of the lower fixed disk, and the adjusting assembly is used to adjust the opening degree of the first forceps beak and the second forceps beak.

[0007] Preferably, the adjusting component includes a rotating wheel, a first gear, and a second gear. The lower end of the rotating wheel is rotatably connected to the upper end of the lower fixed disk. A fixing piece is fixedly connected to the inner wall of the rotating wheel. The upper end of the first rotating column is fixedly connected to the lower end of the fixing piece. The outer wall of the first rotating column is fixedly connected to the inner wall of the first gear. The outer wall of the second rotating column is fixedly connected to the inner wall of the second gear. The outer walls of the first gear and the second gear are meshed and connected. A limiting groove is formed in the inner wall of the rotating wheel. A fixing component is arranged on the outer wall of the tooth extraction forceps handle, and the fixing component is used to keep the opening degree of the first beak and the second beak unchanged.

[0008] Preferably, the fixing component includes an upper fixed disk. The outer wall of the upper fixed disk is fixedly connected to one end of the tooth extraction forceps handle. A notch cylinder is fixedly connected to the inner wall of the upper fixed disk. A limiting piece is slidably connected to the inner wall of the notch cylinder. The upper end of the limiting piece is fixedly connected to a sliding column. A clamping plate is fixedly connected to the outer wall of the sliding column. The outer wall of the clamping plate is slidably connected to the inner wall of the limiting groove. A sliding groove is formed in the upper end of the upper fixed disk. The outer wall of the clamping plate is slidably connected to the inner wall of the sliding groove. The upper end of the sliding column is fixedly connected to a pressing block.

[0009] Preferably, the extractor lever is Z-shaped.

[0010] Preferably, the extractor blade is quadrilateral. The cross-section of the extractor blade is arc-shaped. The cutting end of the extractor blade is sharp.

[0011] Preferably, the extractor handle is thicker than the extractor lever.

[0012] Preferably, the outer wall of the tooth extraction forceps handle is provided with anti-slip lines.

[0013] Preferably, both the first beak and the second beak are designed to be concave serrated.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the first beak and the second beak are arc-shaped serrated. Three second beaks are arranged at one end of the first forceps beak, and two first beaks are arranged at one end of the second forceps beak, which conforms to the shape of the rat tooth, avoids clamping slippage, ensures that the gripper can evenly and firmly clamp all tooth roots, and provides stable support.

[0016] 2. In the utility model, the working tip of the extractor blade is designed to fit the shape of the rat tooth, and it is relatively easy to insert into the alveolar space. By wedging into the deep alveolus and rotating, using the wedging force, the wheel axle force, and the prying force to loosen the tooth, the risk of root fracture and residue is reduced.

[0017] 3. In the present utility model, there is a fixing component at the joint of the tooth extraction forceps, which can keep the first beak and the second beak in a fixed opening and closing degree, stably clamp the teeth, provide a controllable, constant and continuous rocking force, prevent slipping due to the change of the holding force, and prevent root fracture caused by different application forces.

[0018] 4. In the present utility model, the tooth extraction instrument adopts a set design, which has strong pertinence, is more convenient and efficient during the tooth extraction process, saves time and ensures the continuity of the operation. Description of the Drawings

[0019] Figure 1 is a perspective view of a set of mouse tooth extraction instruments proposed by the present utility model;

[0020] Figure 2 is a schematic diagram of the blade of the elevator for the set of mouse tooth extraction instruments proposed by the present utility model;

[0021] Figure 3 is a view of the second beak of the set of mouse tooth extraction instruments proposed by the present utility model;

[0022] Figure 4 is a view of the first beak of the set of mouse tooth extraction instruments proposed by the present utility model;

[0023] Figure 5 is a schematic diagram of the first gear of the set of mouse tooth extraction instruments proposed by the present utility model;

[0024] Figure 6 is a schematic diagram of the runner of the set of mouse tooth extraction instruments proposed by the present utility model.

[0025] Legend Explanation:

[0026] 1. Elevator handle; 2. Elevator rod; 3. Elevator blade; 4. Tooth extraction forceps handle; 5. Lower fixed disk; 6. First rotating column; 7. First beak; 8. Second rotating column; 9. Second beak; 10. First beak opening; 11. Second beak opening; 12. Runner; 13. Fixed plate; 14. First gear; 15. Second gear; 16. Limit groove; 17. Upper fixed disk; 18. Notched cylinder; 19. Limit piece; 20. Sliding column; 21. Clamping plate; 22. Pressing block; 23. Chute; 24. Anti-slip pattern. Detailed Implementation Manner

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Referring to Figure 1 - Figure 6 , an embodiment provided by the present utility model: a set of rat tooth extraction instruments, including an extraction elevator handle 1 and an extraction forceps handle 4. One end of the extraction elevator handle 1 is fixedly connected to an extraction elevator rod 2. One end of the extraction elevator rod 2 away from the extraction elevator handle 1 is fixedly connected to an extraction elevator blade 3. One end of the extraction forceps handle 4 is fixedly connected to a lower fixed disk 5. The inner wall of the lower fixed disk 5 is rotatably connected to a first rotating column 6. The outer wall of the first rotating column 6 is fixedly connected to a first beak 7. The inner part of the lower fixed disk 5 is rotatably connected to a second rotating column 8. The outer wall of the second rotating column 8 is fixedly connected to a second beak 9. One end of the first beak 7 is provided with three second beak openings 11. One end of the second beak 9 is provided with two first beak openings 10. The upper end of the lower fixed disk 5 is provided with an adjusting assembly for adjusting the opening degree of the first beak 7 and the second beak 9;

[0029] Specifically, most of the roots of rat molars are five roots, three roots on the buccal side and two roots on the lingual side. By providing three second beak openings 11 at one end of the first beak 7 and two first beak openings 10 at one end of the second beak 9, simulating the number of roots and designed to be serrated, it can firmly grasp the crown and the neck of the root and be stuck in the root bifurcation part.

[0030] Referring to Figure 1 and Figure 5 , the adjusting assembly includes a rotating wheel 12, a first gear 14 and a second gear 15. The lower end of the rotating wheel 12 is rotatably connected to the upper end of the lower fixed disk 5. The inner wall of the rotating wheel 12 is fixedly connected to a fixing piece 13. The upper end of the first rotating column 6 is fixedly connected to the lower end of the fixing piece 13. The outer wall of the first rotating column 6 is fixedly connected to the inner wall of the first gear 14. The outer wall of the second rotating column 8 is fixedly connected to the inner wall of the second gear 15. The outer wall of the first gear 14 is meshed with the outer wall of the second gear 15. The inner wall of the rotating wheel 12 is provided with a limiting groove 16. The outer wall of the extraction forceps handle 4 is provided with a fixing assembly for keeping the opening degree of the first beak 7 and the second beak 9 unchanged;

[0031] Specifically, during use, hold the extraction forceps handle 4 and use the thumb to adjust and rotate the rotating wheel 12. Then, drive the fixing piece 13 to rotate through the rotating wheel 12. The rotation of the fixing piece 13 drives the second gear 15 to rotate. Then, drive the first gear 14 to rotate through the second gear 15. The first gear 14 and the second gear 15 simultaneously cause the first beak 7 and the second beak 9 to move closer to each other or open outward at the same time to achieve the adjustment of the opening degree of the extraction forceps.

[0032] Referring to Figure 1 , Figure 5 and Figure 6, the fixing component includes an upper fixing plate 17. The outer wall of the upper fixing plate 17 is fixedly connected to one end of the extraction forceps handle 4. The inner wall of the upper fixing plate 17 is fixedly connected with a notched cylinder 18. A limiting piece 19 is slidably connected to the inner wall of the notched cylinder 18. The upper end of the limiting piece 19 is fixedly connected with a sliding column 20. A clamping plate 21 is fixedly connected to the outer wall of the sliding column 20. The outer wall of the clamping plate 21 is slidably connected to the inner wall of the limiting groove 16. A sliding groove 23 is opened at the upper end of the upper fixing plate 17. The outer wall of the clamping plate 21 is slidably connected to the inner wall of the sliding groove 23. The upper end of the sliding column 20 is fixedly connected with a pressing block 22;

[0033] Specifically, after adjusting the opening and closing position to be used, press the pressing block 22. When pressing the pressing block 22 to move downward, it will cause the sliding column 20 to drive the limiting piece 19 to slide on the inner wall of the notched cylinder 18. At the same time, it will also cause the clamping plate 21 to slide across the inner wall of the sliding groove 23 and slide into the inner wall of the limiting groove 16 opened on the inner wall of the runner 12 to form a limit on the runner 12, thereby preventing the first beak 7 and the second beak 9 from loosening after fitting the root bifurcation of the mouse tooth, and can keep the first beak 7 and the second beak 9 at a fixed opening and closing degree, stably clamping the tooth, preventing slipping due to changes in the holding force, and at the same time preventing root fracture caused by different application forces.

[0034] Refer to Figure 1 - Figure 4 , the elevator lever 2 of the extraction elevator is Z-shaped; the elevator blade 3 of the extraction elevator is quadrilateral, the cross-section of the elevator blade 3 of the extraction elevator is arc-shaped, and the cutting end of the elevator blade 3 of the extraction elevator is sharp; the elevator handle 1 of the extraction elevator is thicker than the elevator lever 2 of the extraction elevator; the outer wall of the extraction forceps handle 4 is provided with an anti-slip pattern 24; both the first beak 10 and the second beak 11 are designed as concave serrations;

[0035] Specifically, the elevator blade 3 of the extraction elevator is quadrilateral, the cross-section of the elevator blade 3 of the extraction elevator is arc-shaped, and the cutting end of the elevator blade 3 of the extraction elevator is sharp, which can facilitate the insertion of the elevator blade 3 of the extraction elevator into the alveolar septum. The anti-slip pattern 24 can prevent the extraction forceps handle 4 from slipping due to changes in the holding force during use and holding, avoiding adverse effects. Both the first beak 10 and the second beak 11 are designed as concave serrations, which can better fit the shape of the mouse tooth and avoid clamping and slipping.

[0036] Working principle: When in use, the extraction tip blade 3 of the extraction tip can be inserted into the periodontal membrane of the rat tooth root through the extraction tip handle 1 and the extraction tip rod 2 to split the periodontal membrane, and twist and pry the rat tooth. Then, the fixed piece 13 is driven to rotate by rotating the rotating wheel 12. When the fixed piece 13 rotates, it drives the second rotating column 8 to rotate inside the lower fixed disk 5. While the second rotating column 8 rotates, it drives the second gear 15 to rotate. The rotation of the second gear 15 drives the first gear 14 to rotate. Furthermore, the first gear 14 drives the first jaw 7 to rotate through the first rotating column 6. In this way, the first jaw 7 and the second jaw 9 will close inward respectively driven by the first rotating column 6 and the second rotating column 8. During the closing process, the first beak 10 and the second beak 11 will complete the fit with the rat tooth root bifurcation and get stuck at the root bifurcation part. Then, press the pressing block 22. When the pressing block 22 is pressed and moves downward, it will cause the sliding column 20 to drive the limiting piece 19 to slide on the inner wall of the notch cylinder 18. At the same time, it will also cause the clamping plate 21 to slide across the inner wall of the sliding groove 23 and slide into the inner wall of the limiting groove 16 opened on the inner wall of the rotating wheel 12 to form a limit on the rotating wheel 12, thereby preventing the first jaw 7 and the second jaw 9 from loosening after completing the fit with the rat tooth root bifurcation. Then, the tooth extraction operation is carried out. Among them, the working tip of the extraction tip blade 3 is designed to fit the shape of the rat tooth, and it is relatively easy to insert into the alveolar septum. By wedging into the deep alveolus and rotating, using the wedging force, the wheel axle force, and the prying force to loosen the tooth, reducing the risk of root fracture and residue. Considering that the molar has five roots, the first beak 10 and the second beak 11 are arc-shaped serrated. Three second beaks 11 are provided at one end of the first jaw 7, and two first beaks 10 are provided at one end of the second jaw 9, which conforms to the shape of the rat tooth, avoiding clamping slippage, ensuring that the gripper can evenly and firmly clamp all the roots, providing stable support. There is a fixed component at the joint of the extraction forceps, which can keep the first jaw 7 and the second jaw 9 in a fixed opening and closing degree, stably clamp the tooth, provide a controllable, constant, and continuous rocking force, prevent slippage due to changes in the holding force, and at the same time prevent root fracture caused by different application forces.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rat tooth extraction instrument set, comprising a tooth extraction handle (1) and a tooth extraction forceps grip (4), characterized in that: One end of the tooth extraction lifting handle (1) is fixedly connected to a tooth extraction lifting rod (2), and one end of the tooth extraction lifting rod (2) away from the tooth extraction lifting handle (1) is fixedly connected to a tooth extraction lifting blade (3); one end of the tooth extraction forceps gripping handle (4) is fixedly connected to a lower fixed plate (5); the inner wall of the lower fixed plate (5) is rotatably connected to a first rotating column (6); the outer wall of the first rotating column (6) is fixedly connected to a first forceps beak (7); the interior of the lower fixed plate (5) is rotatably connected to a second rotating column (8); the outer wall of the second rotating column (8) is fixedly connected to a second forceps beak (9); one end of the first forceps beak (7) is provided with three second beak openings (11); one end of the second forceps beak (9) is provided with two first beak openings (10); an upper end of the lower fixed plate (5) is provided with an adjustment component, and the adjustment component is used to adjust the opening degree of the first forceps beak (7) and the second forceps beak (9).

2. A rat tooth extraction instrument set according to claim 1, characterized in that: The adjusting assembly comprises a rotating wheel (12), a first gear (14) and a second gear (15); the lower end of the rotating wheel (12) is rotatably connected to the upper end of the lower fixed plate (5); the inner wall of the rotating wheel (12) is fixedly connected to a fixing plate (13); the upper end of the first rotating column (6) is fixedly connected to the lower end of the fixing plate (13); the outer wall of the first rotating column (6) is fixedly connected to the inner wall of the first gear (14); the outer wall of the second rotating column (8) is fixedly connected to the inner wall of the second gear (15); the outer wall of the first gear (14) is meshedly connected with the outer wall of the second gear (15); a limiting groove (16) is provided on the inner wall of the rotating wheel (12); and the outer wall of the tooth extraction forceps handle (4) is provided with a fixing assembly, which is used to keep the opening degree of the first forceps beak (7) and the second forceps beak (9) unchanged.

3. A rat tooth extraction instrument set according to claim 2, characterized in that: The fixing assembly comprises an upper fixing plate (17), the outer wall of the upper fixing plate (17) is fixedly connected to one end of the tooth extraction forceps handle (4), the inner wall of the upper fixing plate (17) is fixedly connected to a notched cylinder (18), the inner wall of the notched cylinder (18) is slidably connected to a limiting plate (19), the upper end of the limiting plate (19) is fixedly connected to a sliding column (20), the outer wall of the sliding column (20) is fixedly connected to a clamping plate (21), the outer wall of the clamping plate (21) is slidably connected to the inner wall of the limiting groove (16), the upper end of the upper fixing plate (17) is provided with a sliding groove (23), the outer wall of the clamping plate (21) is slidably connected to the inner wall of the sliding groove (23), and the upper end of the sliding column (20) is fixedly connected to a pressing block (22).

4. A rat tooth extraction instrument kit according to claim 1, characterized in that: The tooth extraction push rod (2) is in a Z shape.

5. The rat tooth extraction instrument set according to claim 1, characterized in that: The tooth extraction and lifting blade (3) is quadrilateral, the cross section of the tooth extraction and lifting blade (3) is arc-shaped, and the cutting end of the tooth extraction and lifting blade (3) is sharp.

6. A rat tooth extraction instrument kit according to claim 1, characterized in that: The tooth extraction lifter handle (1) is thicker than the tooth extraction lifter rod (2).

7. The rat tooth extraction instrument set according to claim 1, characterized in that: The outer wall of the tooth extraction forceps handle (4) is provided with anti-slip patterns (24).

8. The rat tooth extraction instrument set according to claim 1, characterized in that: The first beak (10) and the second beak (11) are both designed to be inwardly concave sawtooth shapes.

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