CN209172260U - A kind of oral cavity speculum - Google Patents
A kind of oral cavity speculum Download PDFInfo
- Publication number
- CN209172260U CN209172260U CN201821737585.5U CN201821737585U CN209172260U CN 209172260 U CN209172260 U CN 209172260U CN 201821737585 U CN201821737585 U CN 201821737585U CN 209172260 U CN209172260 U CN 209172260U
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- CN
- China
- Prior art keywords
- spatula
- oral cavity
- maxilla
- support rod
- support
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of oral cavity speculum, including maxilla support, support rod and spatula, the both ends of support rod are connect with maxilla support and spatula respectively, and spatula includes the denture fixing device pressed tongue and pressure tongue two sides are arranged in；Maxilla support is infundibulate elastomer, and the lower surface of spatula is inner sunken face, and the upper surface of spatula is the curved surface of evagination；Support rod provides the drag to oral cavity bite force, does not influence the operating space and the visual field when doctor is operated oral cavity；Spatula includes the denture fixing device that spatula two sides are arranged in；Maxilla support is infundibulate elastomer, and maxilla foreign matter, which is squeezed or scratched, to be easy to be damaged, and it is injured that elastic maxilla support can effectively avoid maxilla surface, and elastomer is bonded under the action of drag and bite force with maxilla surface, increase forced area, mitigate the sense of discomfort of patient；Spatula is easy to be bonded the lower surface of spatula, denture fixing device it is low the tooth of health, enhance whole drag, tongue effectively prevent to stir and accidentally injured.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of oral cavity speculum.
Background technique
At present in the inspection and therapeutic process in oral cavity, patient is needed voluntarily to dehisce, but easily causes to suffer from after a long time
Person's facial muscles fatigue, for the patient and children of some difficulties in opening mouth, has undoubtedly seriously affected the operation of doctor.
Therefore, opener is usually borrowed in current clinical oral work, in order to the operation of oral cavity doctor.
The speculum that some lips are supported can tear the lip of patient to a certain extent, increase the pain of patient, and nothing
The good exposed patient's cheek side facing of method.
In diagnosis and treatment process, some patients can stir tongue because of some reasons, and accidentally injure tongue over the course for the treatment of.
Currently used jaw pad is only capable of exposing side oral cavity, and occupy-place is big, bite force is big, and patient easily generates feeling of fatigue, and
The jaw pad matter of rubber material is soft, easily generates severely deformed when by patient's bite force, the purpose of mouth open is not achieved.
Utility model content
To solve the above problems, the utility model provides a kind of oral cavity speculum, for solving current oral cavity speculum function
Can be single, medical staff's working efficiency is reduced, the problem of unnecessary pain is caused to patient.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of oral cavity speculum, including maxilla support,
Support rod and spatula, the both ends of support rod are connect with maxilla support and spatula respectively, and spatula includes pressure tongue and setting
Denture fixing device in pressure tongue two sides；Maxilla support is infundibulate elastomer, and the lower surface of spatula is inner sunken face, the upper table of spatula
Face is the curved surface of evagination.
Support rod is the rigid body of rod.
Support rod uses telescopic rod, is provided with fastening limiting device in the middle part of support rod.
Support rod is divide into upper part and lower part, and using being threadedly coupled, fastening limiting device is locking nut for two parts junction.
The thickness of maxilla support is gradually reduced from centre toward edge；The thickness of spatula from centre toward edge gradually
Reduce.
Pressure tongue the widest part is 3cm-4cm, and the whole the widest part of spatula 3 is 4cm-6cm, and the length of spatula 3 is 5cm-
7cm。
The lower end of maxilla support is provided with interconnecting piece, and interconnecting piece is rigid body, and the upper end of interconnecting piece and support rod uses screw thread
Connection.
The lower end of the upper surface setting interconnecting piece of spatula, the interconnecting piece and support rod is connected using bulb-socket arrangement
It connects, is provided with fastening screw at bulb-ball-and-socket.
Tongue and denture fixing device integral forming are pressed, the upper surface of tongue and denture fixing device is pressed to be provided with reinforcing rib, and the one of reinforcing rib
End is connect with upper end interconnecting piece.
Support rod and spatula are made of the material that intensity is higher than dental articulation power, and toughness is arranged in the lower end surface of denture fixing device
Buffer layer.
Compared with prior art, the utility model at least have the advantages that the both ends of support rod respectively with maxilla
Support is connected with spatula, and support rod offer does not influence doctor couple since support rod is a rod piece to the drag of oral cavity bite force
Operating space and the visual field when oral cavity is operated；Spatula includes the denture fixing device that spatula two sides are arranged in；Maxilla support is
Infundibulate elastomer, maxilla foreign matter, which is squeezed or scratched, to be easy to be damaged, and elastic maxilla support can effectively avoid maxilla surface injured, and
Elastomer is bonded under the action of drag and bite force with maxilla surface, is increased forced area, is mitigated the sense of discomfort of patient；Pressure
The lower end surface of hyoplastron is inner sunken face, and the upper surface of spatula is the curved surface of evagination, and tongue itself is soft, is easy to be bonded spatula
Lower surface, when use denture fixing device can also be low the tooth of health, enhance whole drag, while blocking tongue, effectively prevent tongue
Head is stirred and is accidentally injured.
Further, support rod is the rigid body of rod, and rigid body intensity is relatively high, is unlikely to deform, supporting & stablizing.
Further, support rod uses telescopic rod, and it is different that telescopic rod can make the utility model be suitable for oral cavity size
Crowd, expand the scope of application, support rod middle part setting fastening limiting device prevent telescopic rod from shortening in use
Situation.
Further, the thickness of maxilla support is gradually reduced from centre toward edge；The thickness of spatula is from centre
It is gradually reduced toward edge, while not reducing support strength, avoids occupying excessive space.
Further, the lower end of maxilla support is provided with interconnecting piece, and the upper end of interconnecting piece and support rod uses bulb-ball-and-socket knot
Structure connection enables the angle between the plane and spatula of maxilla support that certain change occurs, more adapts to the structure in oral cavity,
Reduce the sense of discomfort of patient.
Further, the upper surface of spatula and denture fixing device integral forming, spatula and denture fixing device is provided with reinforcing rib, and adds
One end of strengthening tendons is connect with upper end interconnecting piece, improves the intensity of spatula.
Further, support rod and spatula are made of the material that intensity is higher than dental articulation power, it is ensured that this is practical new
Toughness buffer layer is arranged in the lower end surface of stability when type uses, denture fixing device, is conducive to increase denture fixing device and contacts with interdental
Face and frictional force, denture fixing device are more stable with teeth contact.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the left view schematic diagram of Fig. 1；
Fig. 3 is the maxilla support schematic diagram of the utility model
Fig. 4 is the support rod schematic diagram of the utility model；
Fig. 5 is the spatula schematic diagram of the utility model.
In attached drawing, 1- maxilla support, 2- support rod, 3- spatula, 4- denture fixing device.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1 and shown in Fig. 2, a kind of oral cavity speculum, including maxilla support 1, support rod 2 and spatula 3, support rod
2 both ends are connect with maxilla support 1 and spatula 3 respectively, and spatula 3 includes pressure tongue and the denture fixing device that pressure tongue two sides are arranged in
4；Maxilla support 1 is infundibulate elastomer, and the lower surface of spatula 3 is inner sunken face, and the upper surface of spatula 3 is the song of evagination
Face；The thickness of maxilla support 1 is gradually reduced from centre toward edge；The thickness of spatula 3 gradually subtracts from centre toward edge
It is small；Press tongue and 4 integral forming of denture fixing device, the upper surface of tongue and denture fixing device 4 pressed to be provided with reinforcing rib, and one end of reinforcing rib with
The connection of upper end interconnecting piece.
Support rod 2 is the rigid body of rod；Support rod 2 uses telescopic rod, and the middle part of support rod 2 is provided with fastening limit dress
It sets；The lower end of maxilla support 1 is provided with interconnecting piece, and interconnecting piece is rigid body, and the upper end of interconnecting piece and support rod 2 is connected using screw thread
It connects；Interconnecting piece is arranged in the upper surface of spatula 3, and the interconnecting piece is connect with the lower end of support rod 2 using bulb-socket arrangement,
Fastening screw is provided at bulb-ball-and-socket.
As shown in figure 4, support rod 2 is divide into upper part and lower part, two parts junction fastens limiting device using being threadedly coupled
For locking nut.
Support rod 2 and spatula 3 are made of the material that intensity is higher than dental articulation power, and the lower end surface of denture fixing device 4 is provided with
Sticky buffer layer.
One end of support rod 2 is arranged in maxilla support 1, and maxilla support 1 is an infundibulate, and maxilla support 1 is rubber flexible material
Production, reduction contact with soft palate and cause patient uncomfortable；The support rod 2 is a cylindrical body, and the support rod 2 is with certain
Hardened material production need to be greater than dental articulation power, and the spatula is located at 2 other end of support rod, and the spatula 3 is curved surface circle
Shape, the spatula 3 are to have the production of certain degree of hardness material, need to be greater than dental articulation power, parallel with maxilla support 1；2 He of support rod
Spatula 3 can make of highstrenghtpiston or metal；Use can be sterilized repeatedly；Maxilla support 1 and spatula 3 are all made of circle in one week
Arc transition.
Maxilla support 1 is an infundibulate sucker, is made of soft material, and rubber production is preferably used in the utility model,
The top end diameter of funnel shaped part is 3cm-4cm, and the bottom diameter of funnel shaped part is 2cm-3cm, and sucker circular cone drift angle is
150°-170°；The lower end of maxilla support 1 is provided with a hollow cylinder, 2 top outer diameter of support rod and 1 lower end surface open circles of maxilla support
Column internal diameter is identical, the hollow cylinder internal diameter 2cm-3cm；Support rod 2 divides for two sections, and two parts are connected as screw-in screw thread
Connection；Upper segment length is 2.5cm-4cm, and support rod upper section and support rod lower section junction are hollow design, is provided with internal screw thread,
The internal screw thread and the external screw thread on support rod lower section top match, and the length of junction is 0.5cm~2cm；Under support rod
Section is solid cylinder, and solid cylinder diameter is identical as the bottom diameter on 2 top of support rod, and solid cylinder diameter is 1.8cm-
The lower end of 2.8cm, length 2.5cm-4cm, solid cylinder are connect with spatula 3；Pressure tongue two sides tray edges profile be
Arc-shaped, it is ellipse that the profile for pressing tongue, which is the orthographic projection of arc pressure tongue, and lateral projection is arch or sector, this is practical new
Type preferably presses lingual side to be projected as fan-shaped surface, and fan-shaped curved surface arc chord angle is 7 π/π/5 10-4, and 3 the widest part of spatula is 4cm-
6cm, it is 3cm-4cm that tongue the widest part is pressed at middle part；3 front and back end longest distance of spatula is 5cm-7cm；The pressure tongue of spatula 3
For ellipse, the denture fixing device 4 of two sides is ellipse, sets ellipse for spatula 3 and denture fixing device 4, can effectively strut oral cavity, and
And it is suitble to the shape in oral cavity, the occupancy to the confined space in oral cavity is reduced, avoids blocking the doctor visual field.
The normal direction at 3 center of axis spatula of support rod 2 is consistent.
Application method: first adjusting 2 length of support rod, by this it is oblique be placed into patient oral cavity, by maxilla support 1 be bonded patient
Maxilla, while spatula 3 is placed on patient's tongue by doctor, and spatula 3 is made to depress patient's tongue, two sides denture fixing device 4 is placed in tooth
On tooth, the utility model is preferred, and denture fixing device 4 is placed on 6 position of lower jaw, and adjustment support rod 2 ensures that whole oral cavity speculum is complete
Place entrance cavity, it is ensured that maxilla support 1 fitting maxilla, spatula 3 completely push down tongue completely, avoid bringing discomfort to patient.
When the position for the treatment of is located at oral cavity rear, the utility model is then turned 180 ° by the position of lower jaw 6, supports denture fixing device 4
Rear sufferer position is cured in the position of tooth in front of lower jaw.
The utility model an optional embodiment, the lower end of maxilla support 1 are provided with interconnecting piece, and interconnecting piece is rigid body,
Interconnecting piece is used with the upper end of support rod 2 and is threadedly coupled；Interconnecting piece, the interconnecting piece and support is arranged in the upper surface of spatula 3
The lower end of bar 2 is connected using bulb-socket arrangement, is provided with fastening screw at bulb-ball-and-socket, when in use, will be originally practical new
Type is put into oral cavity, and patient is allowed first to be engaged, and maxilla support 1 is made to touch maxilla, and spatula 3 touch tongue, tongue in the raw,
Maxilla support 1 and the angle of spatula are suitble to currently change oral cavity and demand of performing the operation instantly at this time, keep spatula 3 and maxilla support
1 angle is constant, takes out the utility model, fastening screw is tightened fixed spatula 3 and support rod 2, places into patient oral cavity
In, in therapeutic process, can effectively prevent tongue agitation influences the operation of doctor.
Certainly, the utility model is not limited merely to above-mentioned specific embodiment, this explanation is also not practical to this
Novel limitation, the utility model are also not limited to the example above, and others skilled in the art go out from above-mentioned design
Hair, variation, remodeling, addition or the replacement made are implemented and are within the protection scope of the utility model.
Claims (10)
1. a kind of oral cavity speculum, which is characterized in that including maxilla support (1), support rod (2) and spatula (3), support rod (2)
Both ends connect respectively with maxilla support (1) and spatula (3), spatula (3) include pressure tongue and setting pressure tongue two sides
Denture fixing device (4)；Maxilla support (1) is infundibulate elastomer, and the lower surface of spatula (3) is inner sunken face, the upper table of spatula (3)
Face is the curved surface of evagination.
2. oral cavity speculum according to claim 1, which is characterized in that support rod (2) is the rigid body of rod.
3. oral cavity speculum according to claim 1, which is characterized in that support rod (2) uses telescopic rod, support rod
(2) fastening limiting device is provided in the middle part of.
4. oral cavity speculum according to claim 3, which is characterized in that support rod (2) is divide into upper part and lower part, two parts
Using being threadedly coupled, fastening limiting device is locking nut for junction.
5. oral cavity speculum according to claim 1, which is characterized in that the thickness of maxilla support (1) is from centre toward side
Edge is gradually reduced；The thickness of spatula (3) is gradually reduced from centre toward edge.
6. oral cavity speculum according to claim 5, which is characterized in that pressure tongue the widest part is 3cm-4cm, spatula
(3) whole the widest part is 4cm-6cm, and the length of spatula (3) is 5cm-7cm.
7. oral cavity speculum according to claim 1, which is characterized in that the lower end of maxilla support (1) is provided with interconnecting piece, even
Socket part is rigid body, and interconnecting piece is used with the upper end of support rod (2) and is threadedly coupled.
8. oral cavity speculum according to claim 7, which is characterized in that interconnecting piece, institute is arranged in the upper surface of spatula (3)
It states interconnecting piece and is connect with the lower end of support rod (2) using bulb-socket arrangement, be provided with fastening screw at bulb-ball-and-socket.
9. oral cavity speculum according to claim 1, which is characterized in that pressure tongue and denture fixing device (4) integral forming press tongue
Portion and the upper surface of denture fixing device (4) are provided with reinforcing rib, and one end of reinforcing rib is connect with upper end interconnecting piece.
10. oral cavity speculum according to claim 1, which is characterized in that support rod (2) and spatula (3) use intensity
Material higher than dental articulation power is made, and toughness buffer layer is arranged in the lower end surface of denture fixing device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737585.5U CN209172260U (en) | 2018-10-25 | 2018-10-25 | A kind of oral cavity speculum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737585.5U CN209172260U (en) | 2018-10-25 | 2018-10-25 | A kind of oral cavity speculum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209172260U true CN209172260U (en) | 2019-07-30 |
Family
ID=67362196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821737585.5U Expired - Fee Related CN209172260U (en) | 2018-10-25 | 2018-10-25 | A kind of oral cavity speculum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209172260U (en) |
-
2018
- 2018-10-25 CN CN201821737585.5U patent/CN209172260U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20201025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |