CN205964225U - Can fix mouth gag of muroid head - Google Patents
Can fix mouth gag of muroid head Download PDFInfo
- Publication number
- CN205964225U CN205964225U CN201620650603.0U CN201620650603U CN205964225U CN 205964225 U CN205964225 U CN 205964225U CN 201620650603 U CN201620650603 U CN 201620650603U CN 205964225 U CN205964225 U CN 205964225U
- Authority
- CN
- China
- Prior art keywords
- muroid
- gag
- tong arm
- split ring
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a can fix mouth gag of muroid head, including open mouth tongs, still include the bottom plate, install a pair of mounting base on the bottom plate, install the installation pole parallel with the bottom plate on a pair of mounting base, install open mouth tongs and fixed establishment on the installation pole, but open mouth tongs including pivotal installation at the spiral torsion spring of installation on the pole, spiral torsion spring's both ends are provided with first tong arm and second tong arm respectively, the nearly bottom plate of first pincers arm rest, the tip of first tong arm is provided with first split ring, the tip of second tong arm is provided with the second split ring, the utility model discloses a mouth gag not only can make the muroid opening, can fix the health of muroid moreover for the muroid can not voluntary movement, and the experiment operation of being convenient for has also guaranteed open -ended stability. The utility model discloses a mouth gag has still alleviateed operating personnel's work load, has improved experimental efficiency.
Description
Technical field
This utility model belongs to medical research apparatus field, is related to gag and in particular to one kind can fix muroid head
The gag in portion.
Background technology
At present, home and abroad zoopery implementer, being related in rodent rat oral cavity and Maxillary region regional animal
During experiment, complete Animal Anesthesia, after the fixing operation of extremity, need badly and will implement animal oral cavity opening maintenance, stablize, by not having
The oral cavity opening Medical treatment device being similar to employed in the operation of human oral cavity decorative sursery region needing is guarded against, and is often restricted using easy
The stretching such as rope or self-control steel wire ring, the labial teeth of fixing rat or upper and lower jaw relevant range, carry out oromaxillo-facial region experimental implementation,
Because the selected maintenance facility carrying out is excessively simple, and rat oral cavity space is relatively narrow and small, operates limited view, often exists
During implementing experimental implementation, rat oral cavity easily occurs and Maxillary region moves left and right, simple bag mouth opener usually gets loose, shifts,
Lead to experimentation to be forced to stop, need multiple regulation experiment animal maintenance, the step such as opening degree, impact experimentation implement and
Operation precision.
Clinically, during experimental procedure is implemented in rodent rat animal oral cavity and Maxillary region region, due to
Laboratory animal is of different sizes, and topography difference, it is impossible to use existing permanent opening device, often adopts as mentioned above
, easily maintenance and comes off in opening fixing step during easily instrument carries out rat experiment, and surgical field of view exposes and do not fill
Grade problem, impact experimentation is implemented and manipulation accuracy.Tested to solve rodent rat oromaxillo-facial region
There is no appropriate openings, fixing device, the anatomical features in the oromaxillo-facial region region according to rodent, in prior art in journey
Provide a kind of new rat lateral openings device, the rubber processus coracoideus matching with rat oromaxillo-facial region including construction profile,
Metallic stent body and support control, described processus coracoideus has two ends, and an end is flexibly connected with rack body, the other end
Portion has the cavity accommodating the upper mandibular anterior teeth of rat, and described support control is by adjustable fastening type structure and support spring piece
Constitute, rack body is to be pivotally connected by two supports to form, and described support can open and close around pivot.But should
Device still can not be completely fixed rat, also need to other operations and operator go fixing rat in experimentation, many
There is inconvenience.
Content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is, provides one kind can fix muroid head
Gag, can play the effect of fixing muroid while opening, reduce work difficulty and the workload of operator.
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that and is achieved：
A kind of gag that can fix muroid head, including open mouth tongs, also includes base plate, base plate is provided with a pair of peace
Dress pedestal, a pair of installation pedestal is provided with the mounting rod parallel with base plate, mounting rod is provided with open mouth tongs and fixed mechanism；
Described open mouth tongs include the helical torsional spring being turnably arranged on mounting rod, and the two of helical torsional spring
End is respectively arranged with the first tong arm and the second tong arm, and the first tong arm is provided with the first opening near base plate, the end of the first tong arm
Ring, the end of the second tong arm is provided with the second split ring；
Described fixed mechanism includes the mounting ring being turnably arranged on mounting rod, connects along radial direction outside mounting ring
It is connected to one end of connecting rod, the other end of connecting rod is connected with elastic ring, described elastic ring is provided with opening, the two ends of opening
It is respectively arranged with connection sheet, a pair of connection sheet is connected by regulating part, regulating part is used for adjusting the size of elastic ring.
This utility model also has following distinguishing feature：
On described base plate, the positioning pedestal parallel with mounting rod is installed, positioning pedestal is provided with location-plate, first
Tong arm and connecting rod are clipped between positioning pedestal and location-plate.
Described location-plate is arranged in positioning pedestal by the cooperation of screw and screwed hole.
First lower half circular groove and the second lower half circular groove are provided with described positioning pedestal, described location-plate is provided with
First upper half-round slot and the second upper half-round slot, the first lower half circular groove and the first upper half-round slot coordinate for clamping the first tong arm, the
Two lower half circular grooves and the second upper half-round slot coordinate and are used for the bar that is clamped and connected.
The first described split ring and the second split ring are elliptical ring.
The position being located at muroid both sides on described elastic ring inwall is provided with cushion.
Described regulating part is bolt.
Tongue gear is provided with the first described tong arm, tongue gear bottom is connected with sleeve, and sleeve is enclosed within the first tong arm, sleeve
Locked by fastening bolt.
Cheek spreading mechanism is provided with described open mouth tongs, described cheek spreading mechanism includes drag hook, drag hook sets
Be equipped with a pair of drag hook ear mount, a pair of drag hook ear mount be hinged with one end of a pair of elastic supporting bar, an elastic supporting bar another
One end is hinged in the first split ring ear mount, and the first split ring ear mount is arranged on the first split ring, another elastic supporting bar
The other end be hinged in the second split ring ear mount, the second split ring ear mount is arranged on the second split ring.
Described elastic supporting bar includes expansion link, and expansion link is cased with compression spring, and one end of compression spring withstands on stretches
On the limited block of contracting bar one end, the other end of compression spring withstands on the limited block of the expansion link other end.
This utility model compared with prior art, has the following technical effect that：
Gag of the present utility model can not only make muroid opening, and can fix the body of muroid so that Mus
Class can not voluntary movement, be easy to experimental implementation, also ensure that the stability of opening.Gag of the present utility model also reduces
The workload of operator, improves conventional efficient.This utility model can also strut buccal on the basis of muroid opening, increases
Add operation space and the visual field.
Brief description
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation after this utility model removes location-plate.
Fig. 3 is the structural representation of cheek spreading mechanism of the present utility model.
Fig. 4 is the structural representation of elastic supporting bar.
The implication of each label of in figure is：1- open mouth tongs, 2- base plate, 3- installation pedestal, 4- mounting rod, 5- fixed mechanism,
6- positioning pedestal, 7- location-plate, 8- screw, 9- screwed hole, 10- the first lower half circular groove, 11- the second lower half circular groove, on 12- first
Half slot, 13- second upper half-round slot, 14- tongue keeps off, 15- sleeve, 16- fastening bolt, 17- cheek spreading mechanism；
(1-1)-helical torsional spring, (1-2)-the first tong arm, (1-3)-the second tong arm, (1-4)-the first split ring, (1-
5) the-the second split ring；
(5-1)-mounting ring, (5-2)-connecting rod, (5-3)-elastic ring, (5-4)-opening, (5-5)-connection sheet, (5-6)-
Regulating part, (5-7)-cushion；
(17-1)-drag hook, (17-2)-drag hook ear mount, (17-3)-elastic supporting bar, (17-3-1)-expansion link, (17-3-
2)-compression spring, (17-3-3)-limited block, (17-3-4)-limited block, (17-4)-the first split ring ear mount, (17-5)-the second
Split ring ear mount.
With reference to embodiments explanation is further explained in detail to particular content of the present utility model.
Specific embodiment
Specific embodiment of the utility model given below, it should be noted that this utility model is not limited to following tool
Body embodiment, all equivalents done on the basis of technical scheme each fall within protection domain of the present utility model.
Embodiment 1：
Defer to technique scheme, as depicted in figs. 1 and 2, the present embodiment provides a kind of can fix opening of muroid head
Mouthpart, including open mouth tongs 1, also includes base plate 2, base plate 2 is provided with a pair of installation pedestal 3, a pair of installation pedestal 3 is provided with
The mounting rod 4 parallel with base plate 2, mounting rod 4 is provided with open mouth tongs 1 and fixed mechanism 5；
Described open mouth tongs 1 include the helical torsional spring 1-1 being turnably arranged on mounting rod 4, screw twisted bullet
The two ends of spring 1-1 are respectively arranged with the first tong arm 1-2 and the second tong arm 1-3, and the first tong arm 1-2 is near base plate 2, the first tong arm 1-
2 end is provided with the first split ring 1-4, and the end of the second tong arm 1-3 is provided with the second split ring 1-5；
Described fixed mechanism 5 includes mounting ring 5-1 being turnably arranged on mounting rod 4, edge outside mounting ring 5-1
Radially connected one end having connecting rod 5-2, the other end of connecting rod 5-2 is connected with elastic ring 5-3, described elastic ring 5-3
It is provided with opening 5-4, the two ends of opening 5-4 are respectively arranged with connection sheet 5-5, a pair of connection sheet 5-5 passes through regulating part 5-6 even
Connect, regulating part 5-6 is used for adjusting the size of elastic ring 5-3.
The positioning pedestal 6 parallel with mounting rod 4 is provided with base plate 2, positioning pedestal 6 is provided with location-plate 7, the first pincers
Arm 1-2 and connecting rod 5-2 are clipped between positioning pedestal 6 and location-plate 7.
Location-plate 7 is arranged in positioning pedestal 6 by the cooperation of screw 8 and screwed hole 9, easy for removal and installation.
First lower half circular groove 10 and the second lower half circular groove 11 are provided with positioning pedestal 6, described location-plate 7 is provided with
First upper half-round slot 12 and the second upper half-round slot 13, the first lower half circular groove 10 and the first upper half-round slot 12 coordinate for clamping first
Tong arm 1-2, the second lower half circular groove 11 and the second upper half-round slot 13 coordinate and are used for the bar 5-2 that is clamped and connected.So that positioning is more accurate,
Firm.
First split ring 1-4 and the second split ring 1-5 is elliptical ring, matches with the tooth of rodent muroid.
The position being located at muroid both sides on elastic ring 5-3 inwall is provided with cushion 5-7, no matter being solid in clamping process
It is scheduled on cervical region and is also integrally fixed on body and be unlikely to too tightly so that muroid being capable of eupnea so that clamping.
Regulating part 5-6 is bolt, is easily installed and adjusts.
Tongue gear 14 is provided with the first tong arm 1-2, tongue keeps off 14 bottoms and is connected with sleeve 15, and sleeve 15 is enclosed within the first tong arm 1-
On 2, sleeve 15 is locked by fastening bolt 16.
Cheek spreading mechanism 17 is provided with open mouth tongs 1, described cheek spreading mechanism 17 includes drag hook 17-1, drag hook
A pair of drag hook ear mount 17-2 is provided with 17-1, a pair of drag hook ear mount 17-2 is hinged with the one of a pair of elastic supporting bar 17-3
End, the other end of an elastic supporting bar 17-3 is hinged in the first split ring ear mount 17-4, the first split ring ear mount 17-4 peace
It is contained on the first split ring 1-4, the other end of another elastic supporting bar 17-3 is hinged in the second split ring ear mount 17-5, the
Two split ring ear mount 17-5 are arranged on the second split ring 1-5.
Elastic supporting bar 17-3 includes expansion link 17-3-1, and expansion link 17-3-1 is cased with compression spring 17-3-2, compression
One end of spring withstands on the limited block 17-3-3 of expansion link 17-3-1 one end, and the other end of compression spring withstands on expansion link 17-
On the limited block 17-3-4 of the 3-1 other end.
Work process of the present utility model is as described below：
When patent of the present utility model uses, first muroid is placed in elastic ring 5-3, can be as needed by elastic ring 5-
3 are enclosed within muroid neck or suitable position on body, the first split ring 1-4 of open mouth tongs 1 are enclosed within the lower teeth of muroid
On, the second split ring 1-5 is enclosed within the upper teeth of muroid, the oral area of muroid under the elastic force effect of helical torsional spring 1-1
Softened.After the oral area of muroid is softened, the angle of adjustment tongue gear 14, tongue gear 14 is attached on the tongue of muroid, then passes through
Fastening bolt 16 is locked so that tongue gear 14 will not rotate, and thus can block the tongue of muroid, it is to avoid the activity of tongue is to rear
Continue the affected inconvenience bringing.
Adjust the posture of muroid after the oral area of muroid is softened, then elastic ring 5- is gradually locked by regulating part 5-6
The resilient steel disc of 3, elastic ring 5-3 or resilient plastic sheet are made, and internal diameter size can be adjusted by regulating part 5-6
Section, the body of locking muroid.
After open mouth tongs 1 and fixed mechanism 5 are respectively mounted, location-plate 7 are covered in positioning pedestal 6, is revolved by screw 8
Tightly, this makes it possible to by open mouth tongs 1 and fixed mechanism 5 clamp wherein so that open mouth tongs 1 and fixed mechanism 5 muroid work
With under will not rotate around mounting rod 4, thoroughly realize fixation and the opening of muroid.
The position of the open mouth tongs 1 of the present embodiment and fixed mechanism 5 can exchange so that gag can use, both left and right
The left side tooth of muroid can be pulled out, the right side tooth of muroid can be pulled out again.This gag is not limited only to rat, for
Mice is equally general.
Fixing muroid, and after making muroid opening, the cheek of muroid can also be strutted.Elasticity of compression support bar 17-
3, drag hook 17-1 is hung on the cheek at the corners of the mouth of muroid, drag hook 17-1 is arranged side by side a pair of hook having one fixed width, can
To strut cheek.After unclamping elasticity of compression support bar 17-3, under the reseting elasticity of compression spring 17-3-2 acts on, to drag hook
Mono- elastic anchorage force of 17-1 is so that cheek can persistently strut, and is capable of the handss of thorough liberation operator.
Claims (10)
1. a kind of gag that can fix muroid head, including open mouth tongs (1) it is characterised in that：Also include base plate (2), bottom
A pair of installation pedestal (3) is provided with plate (2), a pair of installation pedestal (3) is provided with the mounting rod (4) parallel with base plate (2),
Open mouth tongs (1) and fixed mechanism (5) are provided with mounting rod (4)；
Described open mouth tongs (1) include the helical torsional spring (1-1) being turnably arranged on mounting rod (4), screw twisted
The two ends of spring (1-1) are respectively arranged with the first tong arm (1-2) and the second tong arm (1-3), and the first tong arm (1-2) is near base plate
(2), the end of the first tong arm (1-2) is provided with the first split ring (1-4), and the end of the second tong arm (1-3) is provided with second and opens
Choma (1-5)；
Described fixed mechanism (5) includes the mounting ring (5-1) being turnably arranged on mounting rod (4), and mounting ring (5-1) is outward
Along radially connected one end having connecting rod (5-2), the other end of connecting rod (5-2) is connected with elastic ring (5-3), described for side
Elastic ring (5-3) is provided with opening (5-4), and the two ends of opening (5-4) are respectively arranged with connection sheet (5-5), a pair of connection sheet (5-
5) pass through regulating part (5-6) to connect, regulating part (5-6) is used for adjusting the size of elastic ring (5-3).
2. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：Described base plate (2) is upper to pacify
Equipped with the positioning pedestal (6) parallel with mounting rod (4), positioning pedestal (6) is provided with location-plate (7), the first tong arm (1-2) and
Connecting rod (5-2) is clipped between positioning pedestal (6) and location-plate (7).
3. the gag of muroid head can be fixed as claimed in claim 2 it is characterised in that：Described location-plate (7) leads to
Cross screw (8) and the cooperation of screwed hole (9) is arranged in positioning pedestal (6).
4. the gag of muroid head can be fixed as claimed in claim 2 it is characterised in that：Described positioning pedestal (6)
On be provided with the first lower half circular groove (10) and the second lower half circular groove (11), described location-plate (7) is provided with the first upper semi-circle
Groove (12) and the second upper half-round slot (13), the first lower half circular groove (10) and the first upper half-round slot (12) coordinate for clamping first pincers
Arm (1-2), the second lower half circular groove (11) and the second upper half-round slot (13) coordinate and are used for the bar (5-2) that is clamped and connected.
5. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：The first described split ring
(1-4) He the second split ring (1-5) is elliptical ring.
6. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：Described elastic ring (5-3)
The position being located at muroid both sides on inwall is provided with cushion (5-7).
7. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：Described regulating part (5-6)
For bolt.
8. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：The first described tong arm (1-
2) tongue gear (14) is installed on, tongue gear (14) bottom is connected with sleeve (15), and sleeve (15) is enclosed within the first tong arm (1-2), set
Cylinder (15) passes through fastening bolt (16) and locks.
9. the gag of muroid head can be fixed as claimed in claim 1 it is characterised in that：On described open mouth tongs (1)
Cheek spreading mechanism (17) is installed, described cheek spreading mechanism (17) includes drag hook (17-1), drag hook (17-1) is upper to be arranged
There is a pair of drag hook ear mount (17-2), a pair of drag hook ear mount (17-2) be hinged with one end of a pair of elastic supporting bar (17-3), one
The other end of individual elastic supporting bar (17-3) is hinged in the first split ring ear mount (17-4), the first split ring ear mount (17-4) peace
It is contained on the first split ring (1-4), the other end of another elastic supporting bar (17-3) is hinged on the second split ring ear mount (17-
5), on, the second split ring ear mount (17-5) is arranged on the second split ring (1-5).
10. the gag of muroid head can be fixed as claimed in claim 9 it is characterised in that：Described elastic supporting bar
(17-3) include expansion link (17-3-1), expansion link (17-3-1) is cased with compression spring (17-3-2), one end of compression spring
Withstand on the limited block (17-3-3) of expansion link (17-3-1) one end, the other end of compression spring withstands on expansion link (17-3-1) separately
On the limited block (17-3-4) of one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650603.0U CN205964225U (en) | 2016-06-27 | 2016-06-27 | Can fix mouth gag of muroid head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650603.0U CN205964225U (en) | 2016-06-27 | 2016-06-27 | Can fix mouth gag of muroid head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205964225U true CN205964225U (en) | 2017-02-22 |
Family
ID=58021580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620650603.0U Expired - Fee Related CN205964225U (en) | 2016-06-27 | 2016-06-27 | Can fix mouth gag of muroid head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205964225U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174370A (en) * | 2017-07-05 | 2017-09-19 | 海南医学院 | A kind of experimental rat holder for suction-type tracheal instillation |
| CN112587097A (en) * | 2020-12-14 | 2021-04-02 | 昆明医科大学第二附属医院 | Fixing device of pipeline in urodynamics detects |
| CN113101004A (en) * | 2021-04-22 | 2021-07-13 | 广西医科大学 | Rat mouth gag |
-
2016
- 2016-06-27 CN CN201620650603.0U patent/CN205964225U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174370A (en) * | 2017-07-05 | 2017-09-19 | 海南医学院 | A kind of experimental rat holder for suction-type tracheal instillation |
| CN112587097A (en) * | 2020-12-14 | 2021-04-02 | 昆明医科大学第二附属医院 | Fixing device of pipeline in urodynamics detects |
| CN113101004A (en) * | 2021-04-22 | 2021-07-13 | 广西医科大学 | Rat mouth gag |
| CN113101004B (en) * | 2021-04-22 | 2022-12-02 | 广西医科大学 | Rat mouth gag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190627 |