CN220442773U - Rat opening device - Google Patents
Rat opening device Download PDFInfo
- Publication number
- CN220442773U CN220442773U CN202320768919.XU CN202320768919U CN220442773U CN 220442773 U CN220442773 U CN 220442773U CN 202320768919 U CN202320768919 U CN 202320768919U CN 220442773 U CN220442773 U CN 220442773U
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- China
- Prior art keywords
- plate
- rat
- traction
- rod
- torsion
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- 210000000515 tooth Anatomy 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 210000002295 maxillary tooth Anatomy 0.000 claims abstract description 7
- 241000773945 Trimusculidae Species 0.000 claims description 4
- 241000700159 Rattus Species 0.000 abstract description 49
- 238000000605 extraction Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 210000004373 mandible Anatomy 0.000 abstract 1
- 210000000214 mouth Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Catching Or Destruction (AREA)
Abstract
The utility model discloses a rat opening device which comprises a rat fixing plate, a maxillary tooth fixing wire, a substrate mounting plate, an upper substrate and a lower substrate. The upper base plate is provided with a slideway latch and a slideway, a plate torsion traction frame is arranged in the slideway, a inverted tooth bayonet plate torsion is arranged on the plate torsion traction frame, and a traction rope and a mandible fixing plate are sequentially connected. The lower base plate is sequentially connected with an adjusting rope, an opener control rod, an opener and a mouth angle pulling rod. According to the rat opening device, the opening degree between the upper jaw and the lower jaw of the rat can be adjusted and maintained through the cooperation of the inverted tooth clamping opening plate torsion groove, the sliding rail, the plate torsion traction frame, the inverted tooth clamping opening plate torsion, the traction rope and the lower jaw fixing plate; the opening degree of the rat mouth angle can be adjusted and maintained through the opener control rod, the opener and the mouth angle pulling plate. The device of the utility model is adopted to perform tooth extraction operation on rats, only one person is needed to finish the operation, so that manpower, material resources and operation time are saved.
Description
Technical Field
The utility model belongs to the technical field of experimental instruments, relates to an oral cavity device, and particularly relates to a rat opening device.
Background
When the tooth extraction operation is carried out on the rat, the rat is fixed on the wood board after anesthesia, a matched person breaks open the oral cavity of the rat and presses the tongue body in the lower oral cavity of the rat, and the tooth extraction operation is carried out by another person. In this operation, the cooperator needs to maintain the rat opening state all the time and lift the tongue body at the same time, which is very time-consuming and labor-consuming.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a rat opening device which solves the technical problems that the time and the labor are wasted when the tooth extraction operation is carried out on rats in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a rat opening device comprises a rat fixing plate, wherein the longitudinal front end of the rat fixing plate is bound with a maxillary tooth fixing wire; the vertical rear end of rat fixed plate is fixed and is provided with the base plate mounting panel, and the base plate mounting panel sets up along vertical direction, and the top of base plate mounting panel is fixed and is provided with the base plate.
The upper substrate longitudinal front part top surface on be provided with a plurality of slide latches, slide latches evenly lay along longitudinal direction, the clearance between the adjacent slide latches is inverted tooth notch board torsion groove.
The two sides of the longitudinal front part of the upper base plate are respectively provided with a sliding rail, the sliding rails are arranged along the longitudinal direction, the bottoms of the plate torsion traction frames are movably arranged in the sliding rails, the tops of the plate torsion traction frames are provided with inverted tooth bayonet plate twists, and the inverted tooth bayonet plate twists are positioned in inverted tooth bayonet plate twisting grooves.
The transverse two ends of the top of the plate torsion traction frame extend out of the inverted tooth bayonet plate torsion, one ends of a pair of traction ropes are respectively bound, and the other ends of the pair of traction ropes are bound on the chin fixing plate.
The rat opening device further comprises a retractor control rod, the bottom of the retractor control rod is movably arranged in the retractor, the top of a pair of angle-of-mouth traction rods is arranged in the retractor, and the tops of the pair of angle-of-mouth traction rods are respectively positioned on two sides of the retractor control rod.
The utility model also has the following technical characteristics:
the longitudinal rear end of the lower substrate is fixedly arranged on the substrate mounting plate between the upper substrate and the rat fixing plate; the front end of the lower base plate in the longitudinal direction is connected with the top of an adjusting rope, and the bottom of the adjusting rope is connected with the top of an opener control rod.
The plate twist traction frame comprises a plate twist operation rod which is arranged along the transverse direction, and a inverted tooth bayonet plate twist is arranged on the plate twist operation rod; the plate twist operation rod stretches out the transverse both ends of the inverted tooth bayonet plate and turns round outward and is respectively and fixedly provided with an upper plate twist traction rod, the upper plate twist traction rod is detachably arranged in the top of the lower plate twist traction rod, the bottom of the lower plate twist traction rod is fixedly provided with a limit sliding block, and the limit sliding block is movably arranged in the sliding rail.
The upper plate torsion traction rod and the lower plate torsion traction rod are respectively provided with a traction rod mounting hole, traction rod mounting screws are detachably arranged in the traction rod mounting holes, and the upper plate torsion traction rod is detachably arranged in the lower plate torsion traction rod through the traction rod mounting screws.
The inverted tooth clamping opening plate button comprises a plate button shell fixedly arranged on the plate button operating rod, a plate button movable block is arranged in the plate button shell, and the top of the plate button movable block is movably arranged on the plate button operating rod; a torsion spring mounting groove is formed in the plate torsion movable block, a torsion spring is arranged in the torsion spring mounting groove, and the torsion spring is mounted on the plate torsion operating rod.
The opener control rod comprises a control rod body, wherein the top of the control rod body is connected with an adjusting rope, and a plurality of racks are fixedly arranged on two sides of the bottom of the control rod body.
The opening and closing device comprises an opening and closing device shell, a pair of gear installation shafts are fixedly installed on the inner wall of the opening and closing device shell, gears are rotatably installed on the gear installation shafts, two gears are respectively contacted with racks on two sides of the bottom of the control rod body, and the two gears are fixedly connected with a pair of angle traction rods.
The front end of the rat fixing plate is fixedly provided with a maxillary tooth fixing wire mounting ring, and the maxillary tooth fixing wire mounting ring is bound with a maxillary tooth fixing wire.
Four fixing screws are arranged on the rat fixing plate, and limb fixing wires are wound on the fixing screws.
Compared with the prior art, the utility model has the following technical effects:
according to the rat opening device, the opening degree between the upper jaw and the lower jaw of the rat can be adjusted and maintained through the cooperation of the inverted tooth clamping opening plate torsion groove, the sliding rail, the plate torsion traction frame, the inverted tooth clamping opening plate torsion, the traction rope and the lower jaw fixing plate; the opening degree of the rat mouth angle can be adjusted and maintained through the opener control rod, the opener and the mouth angle pulling plate. The device of the utility model is used for tooth extraction operation of rats, which can be completed by only one person, thereby saving manpower, material resources and operation time.
Drawings
Fig. 1 is a schematic view of the overall structure of a rat opening device.
Fig. 2 is a schematic structural view of the plate twist traction frame.
Fig. 3 is a schematic view of the structure of the inverted tooth bayonet plate twist.
Fig. 4 is a schematic structural view of the shutter.
Fig. 5 is a schematic diagram of the operation process of the shutter.
The meaning of each reference numeral in the figures is: 1-rat fixation plate, 2-upper jaw tooth fixation line, 3-base plate mounting plate, 4-upper base plate, 5-lower base plate, 6-slideway latch, 7-inverted tooth clamping plate torsion groove, 8-slideway, 9-plate torsion traction frame, 10-inverted tooth clamping plate torsion, 11-traction rope, 12-lower jaw fixation plate, 13-regulation rope, 14-opener control rod, 15-opener, 16-angle traction rod, 17-upper jaw tooth fixation line mounting ring, 18-set screw and 19-limb fixation line.
901-plate torsion operation rod, 902-upper plate torsion traction rod, 903-lower plate torsion traction rod, 904-limit slide block, 905-traction rod mounting screw.
1001-plate torsion shell, 1002-plate torsion movable block, 1003-torsion spring mounting groove, 1004-torsion spring.
1401-a shutter control lever body, 1402-a rack.
1501-an shutter housing, 1502-a gear mounting shaft, 1503-a gear.
The following examples illustrate the utility model in further detail.
Detailed Description
All parts of the present utility model, unless otherwise specified, are known in the art, for example: the pull cord 11 and the adjustment cord 13 are conventional rubber cords known in the art.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present utility model.
Examples:
the embodiment provides a rat opening device, as shown in fig. 1, the longitudinal front end of a rat fixing plate 1 is bound with a maxillary tooth fixing wire 2; the vertical rear end of rat fixed plate 1 is fixed and is provided with base plate mounting panel 3, and base plate mounting panel 3 sets up along vertical direction, and the top of base plate mounting panel 3 is fixed and is provided with upper substrate 4.
The top surface of the longitudinal front part of the upper base plate 4 is provided with a plurality of slide latches 6, the slide latches 6 are uniformly distributed along the longitudinal direction, and gaps between adjacent slide latches 6 are inverted tooth notch plate torsion grooves 7.
Two sides of the longitudinal front part of the upper base plate 4 are respectively provided with a slide rail 8, the slide rails 8 are arranged along the longitudinal direction, the bottoms of the plate torsion traction frames 9 are movably arranged in the slide rails 8, the tops of the plate torsion traction frames 9 are provided with inverted tooth mouth clamping plate twists 10, and the inverted tooth mouth clamping plate twists 10 are positioned in the inverted tooth mouth clamping plate twisting grooves 7.
The transverse two ends of the top of the plate torsion traction frame 9 extend out of the inverted tooth clamping plate torsion 10, and are respectively bound with one ends of a pair of traction ropes 11, and the other ends of the pair of traction ropes 11 are bound on a chin fixing plate 12.
The rat opening device further comprises an opener control rod 14, wherein the bottom of the opener control rod 14 is movably arranged in an opener 15, the inside of the opener 15 is provided with the tops of a pair of angle-of-mouth pulling rods 16, and the tops of the pair of angle-of-mouth pulling rods 16 are respectively positioned on two sides of the opener control rod 14.
In this embodiment, the inverted tooth clamping plate torsion groove 7, the sliding rail 8, the plate torsion traction frame 9 and the inverted tooth clamping plate torsion 10 are matched, and the tightness degree of the traction rope 11 can be adjusted, so that the position of the mandibular fixing plate 12 is adjusted, and the opening degree between the upper jaw and the lower jaw of the rat is adjusted and maintained. The specific process is as follows: the sliding rail 8 moves through the moving plate torsion traction frame 9, so that the inverted tooth clamping plate torsion grooves 7 are driven to be switched between different inverted tooth clamping plate torsion grooves 7, when the inverted tooth clamping plate torsion 10 moves from front to back, the traction rope 11 drives the chin fixing plate 12 to move upwards, and the included angle between the chin fixing plate 12 and the horizontal plane becomes large; when the inverted tooth jaw plate button 10 moves forward from the rear, the chin underlying plate 12 moves downward, and the angle between the chin underlying plate 12 and the horizontal plane becomes smaller.
As a specific scheme of the present embodiment, as shown in fig. 1, a longitudinal rear end of a lower substrate 5 is fixedly provided on a substrate mounting plate 3 between an upper substrate 4 and a rat fixing plate 1; the longitudinal front end of the lower base plate 5 is connected with the top end of an adjusting rope 13, and the bottom end of the adjusting rope 13 is connected with the top of an opener control rod 14.
In this embodiment, the adjusting rope 13 can secure the degree of freedom of the angle-of-mouth pulling rod 16 for easy operation.
As a specific scheme of the present embodiment, as shown in fig. 2, the plate twist traction frame 9 includes a plate twist operation rod 901, the plate twist operation rod 901 is arranged along a transverse direction, and an inverted tooth notch plate twist 10 is mounted on the plate twist operation rod 901; the plate twist operation rod 901 extends out of the inverted tooth notch plate twist 10, an upper plate twist traction rod 902 is fixedly arranged at two transverse ends of the plate twist operation rod, the upper plate twist traction rod 902 is detachably arranged in the top of the lower plate twist traction rod 903, a limit sliding block 904 is fixedly arranged at the bottom of the lower plate twist traction rod 903, and the limit sliding block 904 is movably arranged in the sliding rail 8.
In this embodiment, the size of the limiting slider 904 is matched with the sliding rail 8, so that the stability of the plate torsion traction frame 9 can be ensured.
As a specific scheme of the present embodiment, as shown in fig. 2, a drawbar mounting hole is formed in the upper plate torsion drawbar 902 and the lower plate torsion drawbar 903, a drawbar mounting screw 905 is detachably disposed in the drawbar mounting hole, and the upper plate torsion drawbar 902 is detachably mounted in the lower plate torsion drawbar 903 through the drawbar mounting screw 905.
As a specific scheme of the embodiment, as shown in fig. 3, the inverted tooth notch plate button 10 includes a plate button housing 1001 fixedly mounted on a plate button operating rod 901, a plate button movable block 1002 is disposed in the plate button housing 1001, and the top of the plate button movable block 1002 is movably mounted on the plate button operating rod 901; torsion spring mounting grooves 1003 are formed in the plate torsion movable blocks 1002, torsion springs 1004 are arranged in the torsion spring mounting grooves 1003, and the torsion springs 1004 are mounted on the plate torsion operation rods 901.
In this embodiment, when the plate torsion operating lever 902 is moved, the plate torsion traction rod 901 and the inverted tooth notch plate torsion 10 move synchronously along with the plate torsion operating lever 902, when the plate torsion moving block 1002 moves to the next slide track latch 6, the plate torsion moving block 1002 rotates around the plate torsion operating lever 902, the torsion spring 1004 is compressed at this time, when the plate torsion moving block 1002 moves to the next inverted tooth notch plate torsion groove 7, the movement is stopped, the torsion spring 1004 resets and drives the plate torsion moving block 1002 to return, so that the inverted tooth notch plate torsion 10 is stably clamped in the inverted tooth notch plate torsion groove 7.
As a specific scheme of the present embodiment, as shown in fig. 4, the shutter lever 14 includes a lever body 1401, the top of the lever body 1401 is connected with an adjusting rope 13, and a plurality of racks 1402 are fixedly provided on both sides of the bottom of the lever body 1401.
As a specific scheme of this embodiment, as shown in fig. 4, the shutter 15 includes a shutter housing 1501, a pair of gear mounting shafts 1502 are fixedly mounted on an inner wall of the shutter housing 1501, gears 1503 are rotatably mounted on the gear mounting shafts 1502, the two gears 1503 are respectively contacted with racks 1402 on two sides of a bottom of the control lever body 1401, and the two gears 1503 are fixedly connected with a pair of angle-of-mouth pulling rods 16.
In this embodiment, the shutter lever 14 and the shutter 15 cooperate to adjust the opening degree between the pair of opening angle tension rods 16. When the control rod body 1401 is fed into the opening and closing device shell 1501, the rack 1402 and the gear 1503 perform relative movement, so that the gear 1503 rotates and drives the pair of mouth angle pulling rods 16 to open outwards, and further the mouth angle of the rat is opened; when the lever body 1401 is withdrawn outwardly from the housing 1501, the gear 1503 rotates and drives the pair of corner pull rods 16 inwardly.
As a specific scheme of the present embodiment, as shown in fig. 1, the longitudinal front end of the rat fixing plate 1 is fixedly provided with a maxillary dental fixing wire mounting ring 17, and the maxillary dental fixing wire 2 is bound to the maxillary dental fixing wire mounting ring 17. The maxillary dental floss mounting ring 17 facilitates binding and replacement of the maxillary dental floss 2.
As a specific scheme of the present embodiment, as shown in fig. 1, four fixing screws 18 are provided on the rat fixing plate 1, and limb fixing wires 19 are wound around the fixing screws 18. The limb fixation line 19 is used to bind the limbs of the rat, keeping it stable.
The working process of the utility model is as follows:
firstly, an opening and closing device control rod 14 and a mouth angle pulling rod 16 are pre-installed in an opening and closing device 15, an adjusting rope 13 is connected with the opening and closing device control rod 14, and the adjusting rope 13 is sleeved on a lower substrate 5; the traction rope 11 is bound on the chin fixing plate 12, then the inverted tooth clamping plate button 10 is bound on the traction rope 11, and then the plate button traction frame 9 provided with the inverted tooth clamping plate button 10 is clamped in the sliding rail 8.
Secondly, placing the rat on the rat fixing plate 1, binding one ends of four limb fixing wires 19 on the fixing screws 18, and respectively binding the other ends of the four limb fixing wires on limbs of the rat; after the rat is confirmed to be fixed, one end of the maxillary dental fixing wire 2 is tied to the maxillary dental fixing wire mounting ring 17, and the other end is tied to the maxillary teeth of the rat.
Thirdly, the lower jaw fixing plate 12 is placed on the tongue body of the rat, the inverted tooth clamping plate knob 10 is moved from front to back, the traction rope 11 drives the lower jaw fixing plate 12 to move upwards, and the larger the included angle between the lower jaw fixing plate 12 and the horizontal plane is, the larger the opening degree between the upper jaw and the lower jaw of the rat is.
Fourth, after the opening degree between the upper jaw and the lower jaw of the rat is adjusted to a proper opening degree, the angle-of-mouth pulling rod 16 is placed in the oral cavity of the rat, as shown in fig. 5, when the opener control rod 14 is adjusted and moves downward in the opener 15, the rack 1402 drives the gear 1503 to rotate, and drives the pair of angle-of-mouth pulling rods 16 to open, so that the angle-of-mouth opening degree of the rat becomes large, and then the tooth extraction operation is performed on the rat.
Fifth, after the tooth extraction operation is finished, the traction rod mounting screw 905 is detached, so that the plate twist operation rod 901, the upper plate twist traction rod 902 and the inverted tooth clamping plate twist 10 are separated from the lower plate twist traction rod, then the lower plate twist traction rod 903 is moved forward to return to the first inverted tooth clamping plate twist groove 7, and then the upper plate twist traction rod 902 is mounted back into the lower plate twist traction rod 903 for next use.
Claims (9)
1. The rat opening device comprises a rat fixing plate (1), and is characterized in that the longitudinal front end of the rat fixing plate (1) is bound with a maxillary tooth fixing wire (2); the rear end of the rat fixing plate (1) in the longitudinal direction is fixedly provided with a substrate mounting plate (3), the substrate mounting plate (3) is arranged along the vertical direction, and the top end of the substrate mounting plate (3) is fixedly provided with an upper substrate (4);
the top surface of the longitudinal front part of the upper base plate (4) is provided with a plurality of slide clamping teeth (6), the slide clamping teeth (6) are uniformly distributed along the longitudinal direction, and gaps between adjacent slide clamping teeth (6) are inverted tooth bayonet plate torsion grooves (7);
two sides of the longitudinal front part of the upper substrate (4) are respectively provided with a sliding rail (8), the sliding rails (8) are arranged along the longitudinal direction, the bottoms of the plate twist traction frames (9) are movably arranged in the sliding rails (8), the tops of the plate twist traction frames (9) are provided with inverted tooth bayonet plate twists (10), and the inverted tooth bayonet plate twists (10) are positioned in the inverted tooth bayonet plate twisting grooves (7);
the two transverse ends of the top of the plate twist traction frame (9) extend out of the inverted tooth bayonet plate twist (10), one ends of a pair of traction ropes (11) are respectively bound, and the other ends of the pair of traction ropes (11) are bound on the chin fixing plate (12);
the novel folding device is characterized by further comprising a folding device control rod (14), wherein the bottom of the folding device control rod (14) is movably arranged in the folding device (15), the top of a pair of opening angle traction rods (16) are arranged in the folding device (15), and the tops of the pair of opening angle traction rods (16) are respectively positioned at two sides of the folding device control rod (14).
2. The rat opening device according to claim 1, characterized in that the base plate mounting plate (3) between the upper base plate (4) and the rat fixing plate (1) is fixedly provided with a longitudinal rear end of the lower base plate (5); the front end of the longitudinal direction of the lower base plate (5) is connected with the top end of an adjusting rope (13), and the bottom end of the adjusting rope (13) is connected with the top of an opener control rod (14).
3. The rat opening device according to claim 1, characterized in that the plate twist traction frame (9) comprises a plate twist operating rod (901), wherein the plate twist operating rod (901) is arranged along the transverse direction, and a inverted tooth bayonet plate twist (10) is arranged on the plate twist operating rod (901); the plate twist operation rod (901) stretches out the outside transverse both ends of pawl bayonet plate twist (10) and is respectively and fixedly provided with an upper plate twist traction rod (902), the upper plate twist traction rod (902) is detachably mounted in the top of the lower plate twist traction rod (903), the bottom of the lower plate twist traction rod (903) is fixedly provided with a limit sliding block (904), and the limit sliding block (904) is movably mounted in the sliding rail (8).
4. A rat opening device according to claim 3, wherein the upper plate torsion traction rod (902) and the lower plate torsion traction rod (903) are provided with traction rod mounting holes, traction rod mounting screws (905) are detachably arranged in the traction rod mounting holes, and the upper plate torsion traction rod (902) is detachably arranged in the lower plate torsion traction rod (903) through the traction rod mounting screws (905).
5. A rat opening device according to claim 3, wherein the inverted tooth bayonet plate button (10) comprises a plate button shell (1001) fixedly arranged on the plate button operating rod (901), a plate button movable block (1002) is arranged in the plate button shell (1001), and the top of the plate button movable block (1002) is movably arranged on the plate button operating rod (901); a torsion spring mounting groove (1003) is formed in the plate torsion movable block (1002), a torsion spring (1004) is arranged in the torsion spring mounting groove (1003), and the torsion spring (1004) is mounted on the plate torsion operation rod (901).
6. The rat opening device according to claim 1, wherein the opener control rod (14) comprises a control rod body (1401), the top of the control rod body (1401) is connected with the adjusting rope (13), and a plurality of racks (1402) are fixedly arranged on two sides of the bottom of the control rod body (1401).
7. The rat opening device according to claim 6, wherein the shutter (15) comprises a shutter housing (1501), a pair of gear mounting shafts (1502) are fixedly mounted on the inner wall of the shutter housing (1501), gears (1503) are rotatably mounted on the gear mounting shafts (1502), the two gears (1503) are respectively contacted with racks (1402) on both sides of the bottom of the control lever body (1401), and the two gears (1503) are fixedly connected with a pair of angle-of-mouth pulling levers (16).
8. The rat opening apparatus of claim 1, wherein the rat fixing plate (1) is fixedly provided at a longitudinal front end thereof with a maxillary dental fixing wire mounting ring (17), and the maxillary dental fixing wire mounting ring (17) is bound with the maxillary dental fixing wire (2).
9. Rat opening device according to claim 1, characterized in that the rat fixation plate (1) is provided with four fixation screws (18), the fixation screws (18) being wound with limb fixation wires (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768919.XU CN220442773U (en) | 2023-04-10 | 2023-04-10 | Rat opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768919.XU CN220442773U (en) | 2023-04-10 | 2023-04-10 | Rat opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220442773U true CN220442773U (en) | 2024-02-06 |
Family
ID=89738586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320768919.XU Active CN220442773U (en) | 2023-04-10 | 2023-04-10 | Rat opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220442773U (en) |
-
2023
- 2023-04-10 CN CN202320768919.XU patent/CN220442773U/en active Active
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