CN214180701U - Rodent mouth gag - Google Patents
Rodent mouth gag Download PDFInfo
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- CN214180701U CN214180701U CN202022805509.7U CN202022805509U CN214180701U CN 214180701 U CN214180701 U CN 214180701U CN 202022805509 U CN202022805509 U CN 202022805509U CN 214180701 U CN214180701 U CN 214180701U
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Abstract
The utility model discloses a rodent mouth gag, which comprises an upper main body part and a lower main body part, wherein the upper main body part and the lower main body part are both in U-shaped rod-shaped structures, the upper main body part and the lower main body part respectively comprise two arms and a connecting section, and the upper main body part is hinged with the lower main body part; one ends, far away from the connecting section, of the two arms of the upper main body part are respectively connected with a fixed fixture block, one ends, far away from the connecting section, of the two arms of the lower main body part are respectively hinged with a fixed buckle, and a plurality of clamping grooves matched with the fixed buckles are formed in the fixed fixture blocks; the upper main body part and the lower main body part are respectively provided with an upper main body incisor fixing ring and a lower main body incisor fixing ring. The utility model discloses an opener makes last main part and lower main part can fix a position after opening through fixed fixture block and fixed knot, convenient fixed opening angle, and the upper and lower jaw incisor that can embolia rodent through the solid fixed ring of last main part incisor and the solid fixed ring of lower main part incisor that sets up simultaneously plays fixed effect.
Description
Technical Field
The utility model relates to an animal experiment apparatus technical field especially relates to a rodent mouth gag.
Background
The existing rodent mouth gag has no commercialized finished product, most depends on a plurality of people to forcibly prop open by using a surgical instrument, and the partial mouth gag (biting ring) has the following problems: the traditional surgical instrument needs others to assist when being opened (such as tweezers), so that the operation space is easily blocked; the prior art methods (tweezers or biting rings) are oversized and require miniaturization; in the prior art, the opening angle is difficult to fix after the opening is opened by a surgical instrument, and the size of the opening of the animal cannot be defined by user.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a rodent mouth gag, this mouth gag is through the fixed fixture block and the fixed knot that set up for go up the main part and can fix a position with lower main part after opening, conveniently fix the opening angle, the upper and lower jaw incisor that can embolia rodent through the solid fixed ring of last main part incisor that sets up simultaneously and the solid fixed ring of lower main part incisor plays fixed effect, but single independent operation conveniently tests, can self-defined animal open-ended size.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rodent mouth gag, which comprises an upper main body part and a lower main body part, wherein the upper main body part and the lower main body part are both in a U-shaped rod-shaped structure, the upper main body part and the lower main body part respectively comprise two arms and a connecting section, and the two arms of the upper main body part are respectively hinged with the two arms of the lower main body part;
one ends, far away from the connecting section, of the two arms of the upper main body part are respectively connected with a fixed fixture block, one ends, far away from the connecting section, of the two arms of the lower main body part are respectively hinged with a fixed buckle, and a plurality of clamping grooves matched with the fixed buckles are formed in the fixed fixture blocks;
the connecting section of the upper main body part is provided with an upper main body incisor fixing ring, and the connecting section of the lower main body part is provided with a lower main body incisor fixing ring.
The utility model discloses a mouth gag is through the fixed fixture block and the fixed knot that set up for go up the main part and can fix a position with lower main part after opening, convenient fixed opening angle, the upper and lower jaw incisor that can embolia rodent through the solid fixed ring of the last main part incisor that sets up simultaneously plays fixed effect with lower solid fixed ring of main part incisor, single but independent operation conveniently experiments, can self-defined animal open-ended size.
In a further technical scheme, the LED lamp further comprises a small light source, and the small light source is arranged on the connecting section of the upper main body part or the connecting section of the lower main body part.
Because the rodent oral cavity is inside narrow and small, the difficult clear oral cavity inside illumination to the rodent of external light source sets up little light source on the linkage segment of upper main part or lower main part, can follow the inside luminous illumination of rodent oral cavity, conveniently tests.
In a further technical scheme, the small light source is connected with the connecting section of the upper main body part or the connecting section of the lower main body part through a flexible rod.
The setting of flexible rod makes things convenient for the experimenter to adjust the spatial position of little light source in certain extent according to actual demand, more convenient illumination.
In a further aspect, the power supply and the switch of the small light source are disposed on the two arms of the upper body portion or the two arms of the lower body portion.
The power supply and the switch are arranged on the two arms, so that the control is convenient to carry out when in use, and the occupation of the space of the part extending into the oral cavity of the rodent is also avoided.
In a further technical scheme, the buccal tablet is characterized by further comprising a J-shaped buccal tablet, and one end of the buccal tablet is connected to the hinged position of the upper main body part and the lower main body part.
After the rodent oral cavity opens, the skin on both sides can be tightened toward vertical direction, has reduced the open-ended area indirectly, through setting up the cheek lamina membranacea for when carrying out the oral cavity and opening, the cheek lamina membranacea provides the power that the horizontal direction struts to the skin on rodent oral cavity both sides, avoids the skin on oral cavity both sides to be tightened toward vertical direction, influences the experiment operation.
The utility model has the advantages that:
1. the utility model discloses a mouth gag is through the fixed fixture block and the fixed knot that set up for go up the main part and can fix a position with lower main part after opening, convenient fixed opening angle, the upper and lower jaw incisor that can embolia rodent through the solid fixed ring of the last main part incisor that sets up simultaneously plays fixed effect with lower solid fixed ring of main part incisor, single but independent operation conveniently experiments, can self-defined animal open-ended size.
2. Because the rodent oral cavity is inside narrow and small, the difficult clear oral cavity inside illumination to the rodent of external light source sets up little light source on the linkage segment of upper main part or lower main part, can follow the inside luminous illumination of rodent oral cavity, conveniently tests.
3. The setting of flexible rod makes things convenient for the experimenter to adjust the spatial position of little light source in certain extent according to actual demand, more convenient illumination.
4. The power supply and the switch are arranged on the two arms, so that the control is convenient to carry out when in use, and the occupation of the space of the part extending into the oral cavity of the rodent is also avoided.
5. After the rodent oral cavity opens, the skin on both sides can be tightened toward vertical direction, has reduced the open-ended area indirectly, through setting up the cheek lamina membranacea for when carrying out the oral cavity and opening, the cheek lamina membranacea provides the power that the horizontal direction struts to the skin on rodent oral cavity both sides, avoids the skin on oral cavity both sides to be tightened toward vertical direction, influences the experiment operation.
Drawings
Figure 1 is a front view of a rodent mouth gag of an embodiment of the invention;
figure 2 is a side view of a rodent mouth gag in use according to an embodiment of the invention;
figure 3 is a top view of a rodent mouth gag of an embodiment of the invention;
fig. 4 is a schematic circuit diagram of a small light source of a rodent mouth gag according to an embodiment of the invention.
Reference numerals:
10. an upper body portion; 11. fixing the fixture block; 12. an upper body incisor securing ring; 13. a small light source; 20. a lower body portion; 21. a fixing buckle; 22. a lower body incisor securing ring; 23. a switch; 24. a power source; 30. cheek plates.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and 2, a rodent mouth gag includes an upper main body 10 and a lower main body 20, the upper main body 10 and the lower main body 20 are both in a U-shaped rod-like structure, the upper main body 10 and the lower main body 20 each include two arms and a connecting section, and the two arms of the upper main body 10 are respectively hinged with the two arms of the lower main body 20;
specifically, in this embodiment, the upper body portion 10 and the lower body portion 20 are sized and positioned to match the shape of the rodent's mouth. I.e. the upper body portion 10 is larger and projects forward relative to the lower body portion 20.
One ends of the two arms of the upper main body part 10, which are far away from the connecting section, are respectively connected with a fixed fixture block 11, one ends of the two arms of the lower main body part 20, which are far away from the connecting section, are respectively hinged with a fixed buckle 21, and a plurality of clamping grooves matched with the fixed buckles 21 are arranged on the fixed fixture block 11;
an upper main body incisor fixing ring 12 is provided on the connection section of the upper main body portion 10, and a lower main body incisor fixing ring 22 is provided on the connection section of the lower main body portion 20.
Specifically, for rodents, the mandible is located proximal to the maxilla as compared to the maxilla, and therefore the lower body incisor fixation ring 22 is smaller than the upper body incisor fixation ring 12, enabling better fixation.
When the fixing buckle is used, the upper main body part 10 and the lower main body part 20 are folded at first, one ends, provided with connecting sections, of the upper main body part 10 and the lower main body part 20 extend into the oral cavity of a rodent, the upper main body part 10 and the lower main body part 20 are opened in the cavity of the rodent by rotating the two arms of the upper main body part 10 and the lower main body part 20, the upper incisor fixing ring 12 of the upper main body part and the lower incisor fixing ring 22 of the lower main body part are sleeved into the upper incisor and the lower incisor of the rodent from the back to be fixed, and the fixing buckle 21 and the fixing fixture block 11 are fixed through the clamping groove.
In this embodiment, the fixing buckle 21 is "d" shaped, the fastening groove on the fixing fixture block 11 is a plurality of circular grooves matching with the size of the fixing buckle 21, the fastening groove on the fixing fixture block 11 is disposed on both the upper and lower edges of the fixing fixture block 11, and the fixing buckle 21 and the fixing fixture block 11 are fastened and fixed with the circular grooves on the fixing buckle 21 through the two edges of the "d" shape.
The utility model discloses a mouth gag is through the fixed fixture block 11 and the fixed 21 of detaining that set up for go up main part 10 and main part 20 can fix a position after opening, convenient fixed opening angle, the upper and lower jaw incisor that can embolia rodent through the solid fixed ring of main part incisor 12 and the solid fixed ring of lower main part incisor 22 that sets up simultaneously plays fixed effect, but single independent operation conveniently tests, can self-defined animal open-ended size.
In another embodiment, a small light source 13 is further included, and the small light source 13 is disposed on the connection section of the upper body portion 10 or the connection section of the lower body portion 20.
In the present embodiment, the small light source 13 is provided on the connection section of the upper main body portion 10.
In another embodiment, the small light source 13 is disposed on the connection section of the lower body portion 20.
Because the rodent oral cavity is narrow and small, the external light source is difficult to clearly illuminate the interior of the rodent oral cavity, the small light source 13 is arranged on the connecting section of the upper main body part 10 or the lower main body part 20, the light can emit light from the interior of the rodent oral cavity, and experiments are convenient to carry out.
In another embodiment, the small light source 13 is connected to the connection section of the upper body portion 10 or the connection section of the lower body portion 20 through a flexible rod.
In this embodiment, the small light source 13 is connected to the connection section of the upper body portion 10 by a flexible rod.
In another embodiment, the small light source 13 is connected to the connecting section of the lower body portion 20 by a flexible rod.
The setting of flexible rod makes things convenient for the experimenter to adjust the spatial position of little light source 13, more convenient illumination at certain extent according to actual demand.
In another embodiment, the power supply and switch for the small light source 13 are provided on both arms of the upper body 10 or both arms of the lower body 20.
In the present embodiment, as shown in fig. 2, the power supply 24 and the switch 23 of the small light source 13 are disposed on two arms of the upper body 10, and the power supply 24 is disposed on one of the arms of the upper body 10 in a built-in manner.
The circuit connection of the small light source 13 is schematically shown in fig. 4.
In another embodiment, the power supply and switch for the small light source 13 are provided on both arms of the lower body portion 20.
The power supply and the switch are arranged on the two arms, so that the control is convenient to carry out when in use, and the occupation of the space of the part extending into the oral cavity of the rodent is also avoided.
In another embodiment, as shown in fig. 1-3, a cheek plate 30 is further included, the cheek plate 30 is J-shaped, and one end of the cheek plate 30 is connected to the hinge of the upper body portion 10 and the lower body portion 20.
After the rodent oral cavity opens, the skin on both sides can be tightened toward vertical direction, has reduced the open-ended area indirectly, through setting up the cheek lamina membranacea for when carrying out the oral cavity and opening, the cheek lamina membranacea provides the power that the horizontal direction struts to the skin on rodent oral cavity both sides, avoids the skin on oral cavity both sides to be tightened toward vertical direction, influences the experiment operation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. A rodent mouth gag, comprising an upper main body part and a lower main body part, wherein the upper main body part and the lower main body part are both of a U-shaped rod-shaped structure, each of the upper main body part and the lower main body part comprises two arms and a connecting section, and the two arms of the upper main body part are respectively hinged with the two arms of the lower main body part;
one ends, far away from the connecting section, of the two arms of the upper main body part are respectively connected with a fixed fixture block, one ends, far away from the connecting section, of the two arms of the lower main body part are respectively hinged with a fixed buckle, and a plurality of clamping grooves matched with the fixed buckles are formed in the fixed fixture blocks;
the connecting section of the upper main body part is provided with an upper main body incisor fixing ring, and the connecting section of the lower main body part is provided with a lower main body incisor fixing ring.
2. The rodent gag of claim 1, further comprising a small light source provided on the connecting section of the upper or lower body portion.
3. The rodent gag of claim 2, which is connected to the connecting section of the upper or lower body part by a flexible rod.
4. The rodent gag of claim 3, which is a small light source with power and switch located on either the two arms of the upper or lower body.
5. The rodent gag of claim 1, further comprising a cheek plate in a J-shape with one end connected at the hinge of the upper and lower body portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022805509.7U CN214180701U (en) | 2020-11-26 | 2020-11-26 | Rodent mouth gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022805509.7U CN214180701U (en) | 2020-11-26 | 2020-11-26 | Rodent mouth gag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214180701U true CN214180701U (en) | 2021-09-14 |
Family
ID=77648364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022805509.7U Active CN214180701U (en) | 2020-11-26 | 2020-11-26 | Rodent mouth gag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214180701U (en) |
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2020
- 2020-11-26 CN CN202022805509.7U patent/CN214180701U/en active Active
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