CN220309218U - Cheek mucous membrane screen device - Google Patents

Abstract

The utility model discloses a cheek mucosa shielding device, which belongs to the field of dental surgery auxiliary instruments and comprises a support, a push rod and a shielding device, wherein the push rod is spirally connected to one side of the support, the shielding device is arranged at one end of the push rod, the support comprises a screw rod seat and a supporting plate, the screw rod seat is arranged close to the end part of the supporting plate, the push rod comprises a rod body, a threaded part and a rotating part, the threaded part is arranged on the side wall of the rod body, the threaded part and the screw rod seat are spirally transmitted, the rotating part is arranged at one end of the rod body, the shielding device is rotatably connected to the other end of the rod body, the support is fixed on a dental bed, the push rod drives the shielding device to separate cheek mucosa from teeth, a movable space is reserved for surgery, the support is fixed by using a firm dental bed, the support is stable, the space occupied in an oral cavity by the device is small, the operation difficulty of a doctor is reduced, and the use experience of a patient is good.

Description

Cheek mucous membrane screen device

Technical Field

The utility model relates to the field of dental surgical auxiliary instruments, in particular to a cheek mucosa shielding device.

Background

The oral mucosa covers the surface of the oral cavity and is provided with a plurality of cell layers, the main functions of the oral mucosa are to protect the lower soft tissues in the oral cavity and defend chemical injury and invasion of exogenous substances, the oral mucosa can be divided into buccal mucosa, sublingual mucosa, gingival mucosa, palate, lip mucosa and the like in the area in the oral cavity, wherein the mucosal tissues of the buccal mucosa, sublingual mucosa and lingual ventral surface account for 60% of the oral mucosa, the buccal mucosa and sublingual mucosa epithelial layers are non-keratinized epithelium, and when the dental operation is carried out on the posterior teeth, particularly the dental operation on the buccal side and the adjacent surface of the first molar, the second molar and the third molar of the upper jaw, the buccal mucosa in the corresponding area is in tight contact with the dental body, the space is narrow, the operation is difficult, the operation difficulty of doctors is increased, the medical injury is easy to cause on the local buccal mucosa, and the discomfort of patients in the operation is increased.

The prior patent with publication number CN213312845U discloses an oral mucosa applicator, which comprises a horizontally arranged elastic support, wherein the elastic support is approximately in an M-shaped structure; the two ends of the M-shaped structure are respectively provided with a lip and cheek block for enlarging the oral cavity, the plane of the lip and cheek block is vertical to the plane of the elastic support, the longitudinal section of the lip and cheek block is approximately in a horn-shaped structure, the horn mouth of the lip and cheek block is positioned at one end far away from the elastic support, and the edge of the horn mouth is outwards turned to form an arc-shaped groove consistent with the radian when the mouth angle is opened; the middle point of the M-shaped structure is provided with a saliva suction part for continuously sucking saliva, the longitudinal section of the saliva suction part is in a stick shape formed by an inward bevel edge, a vertical edge and a horizontal top edge which are sequentially and smoothly connected with the two ends of the saliva suction part in a semicircular shape at the bottom, and the top end of the saliva suction part is vertically arranged on the lower surface of the elastic support through a flexible material; the bottom surface of inhaling saliva portion and the lateral wall that the lip kept off all cladding have the water absorbing material, and this applicator can block the operation to the tooth, has reduced surgical instruments's activity space and can't adjust holding power size and direction.

Disclosure of Invention

The utility model aims to provide a cheek mucosa shielding device, which solves the problem that cheek mucosa easily shields teeth in a posterior tooth operation, so that operation is difficult.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a cheek mucous membrane screen keeps off device, includes support, push rod and screen stopper, push rod screwed connection is in one side of support, the screen stopper sets up on one end of push rod, the support includes lead screw seat and fagging, the lead screw seat is close to the tip setting of fagging, the push rod includes body of rod, screw thread portion and rotation portion, screw thread portion sets up on the lateral wall of body of rod, screw thread portion with lead screw seat screw drive, rotation portion sets up on one end of body of rod, screen stopper is connected on the other end of body of rod, the support passes through gum nipple department, wears out from the dentition inboard to fix on the dentition, the push rod drive screen stopper separates cheek mucous membrane and tooth, leaves the activity space for the operation, the support utilizes firm gum to fix, and it is little to support the space that stable and device itself occupy the oral cavity, has reduced the operation degree of difficulty of doctor and patient's use experience well.

Further, the screen stopper comprises a baffle, a swivel base and ribs, the swivel base is arranged in the middle of the baffle, the ribs are arranged on the side wall of the swivel base, the swivel base is sleeved on the other end of the rod body, and the supporting strength of the baffle is improved through the ribs.

Preferably, the screen blocker further comprises a reflecting surface, the reflecting surface is arranged on the end face of the baffle, facing the support, and the reflecting surface can reflect and converge light rays of an external light source to the surface of the tooth body, so that the brightness of the operation visual field of a doctor is enhanced, and the operation is convenient.

Preferably, the screen retainer further comprises a snap ring, the snap ring is arranged on the inner wall of the swivel base, the push rod further comprises a ring groove, the ring groove is close to the other end of the rod body and arranged on the side wall of the rod body, the snap ring is in clearance fit with the ring groove, the angle of the baffle can be adjusted in the use process, and the cheek mucous membrane can be conveniently unfolded to leave a space for an operation.

Preferably, the supporting plate comprises a first supporting section, a bending section and a second supporting section, one end of the bending section is connected with the first supporting section, the other end of the bending section is connected with the second supporting section, the supporting plate is made of elastic materials, the shape of the bending section is the same as that of an oral cavity gum, the supporting plate is attached to the gum, and stability and use safety of the support are improved.

Preferably, the baffle inwards sunken to form the pit towards one side of the body of rod, baffle and cheek mucous membrane contact stress are even, improve patient's travelling comfort.

Preferably, the edge of the baffle is arranged in an arc shape, so that the baffle is prevented from damaging cheek mucous membranes.

Preferably, the rotating part comprises a knurling and a tool groove, the diameter of the rotating part is larger than that of the rod body, the knurling is arranged on the outer side wall of the rotating part, the tool groove is arranged on the end face of the rotating part, after the rotating part is conveniently installed on a gum, the position of the push rod is adjusted, and a doctor can drive the push rod to rotate in different force modes.

Preferably, the device further comprises another screw rod seat, the two screw rod seats are symmetrically arranged at two ends of the supporting plate, cheek mucous membranes at two sides of the oral cavity can be respectively supported by one-time installation, and operation steps of an operation are reduced.

Preferably, the buccal mucosa opening device comprises a clamping ring and a rotating shaft, wherein one end of the clamping ring is rotatably connected to the supporting plate through the rotating shaft, an opening is formed in the clamping ring and used for fixing the supporting plate to teeth, supporting force is provided for opening the buccal mucosa, the structure is small, and the buccal mucosa opening device is convenient to install.

The beneficial effects of the utility model are as follows:

(1) This cheek mucous membrane screen keeps off device includes support, push rod and screen stopper, push rod screwed connection is on the support, the one end of push rod rotates with the screen stopper to be connected, the support mounting is to the dentition inside wall, can keep support stability and the intraoral space to occupy for a short time, the screw rod seat is equipped with to the tip of support, screw rod seat and push rod cooperation, can change the power of rotating the push rod into the power that drives the push rod and remove, outwards promote the screen stopper through the push rod and prop up cheek mucous membrane, utilize the screen stopper to extrude cheek mucous membrane and leave operating space for the back teeth operation, the uncomfortable sense of operation degree of difficulty and patient has been reduced.

(2) The baffle device comprises a baffle, a swivel base, ribs and a reflecting surface, wherein the edge of the baffle is arc-shaped, damage to a cheek mucous membrane is prevented, the baffle is provided with an outward convex surface on one face contacting with the cheek mucous membrane, the cheek mucous membrane can be effectively spread, a patient can use and experience the baffle well, the swivel base is rotationally connected with a push rod, the baffle can be kept stable when moving, the ribs are used for connecting the side wall of the swivel base with the inner side surface of the baffle, the supporting strength of the baffle is improved, the baffle is prevented from deforming, the reflecting surface is arranged on the inner side surface of the baffle, lamplight generated by an operation light source can be converged on the surface of a tooth, the local brightness is improved, and operation is convenient for doctors.

(3) The support plate on the support of the cheek mucosa screen device comprises a first support section, a bending section and a second support section, the shape of the bending section is identical to that of a dental bed, so that the cheek mucosa screen device can be conveniently installed on the inner wall of teeth to form stable support, the first support section and the second support section are used for directly bearing force, tension of the cheek mucosa is improved, the tension is evenly distributed on a plurality of teeth, local stress is reduced, screw rod seats can be installed on the first support section and the second support section, a push rod and a screen device are used for placing, and cheek mucosa on two sides of a mouth can be supported for one time.

Drawings

Fig. 1 is an exploded view of a buccal mucosa shielding device provided by the utility model;

fig. 2 is an isometric view of a buccal mucosa shield device provided by the present utility model;

fig. 3 is a front view of the buccal mucosa shield device provided by the utility model;

fig. 4 is a side view of a buccal mucosa shield device provided by the present utility model;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is an isometric view of a pushrod according to the present utility model;

FIG. 8 is an isometric view of a shield provided by the present utility model;

FIG. 9 is a front view of a shield provided by the present utility model;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

FIG. 11 is a view showing the state of use of the buccal mucosa shield device according to the present utility model;

FIG. 12 is an isometric view of a third embodiment;

fig. 13 is a front view provided in embodiment three.

Reference numerals:

1. a bracket; 11. a supporting plate; 111. a first support section; 112. a curved section; 113. a second support section; 12. a screw rod seat; 13. a second clamping ring; 14. a rotating shaft; 2. a push rod; 21. a rod body; 22. a threaded portion; 23. a ring groove; 24. a rotating part; 25. a tool slot; 3. a screen stopper; 31. a baffle; 32. rotating base; 33. ribs; 34. a reflective surface; 35. a clamping ring I; 4. an oral cavity wall; 5. gums.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.

Example 1

As shown in fig. 1-11, the utility model discloses a cheek mucosa shielding device, which comprises a bracket 1, a push rod 2 and a shielding device 3, wherein the push rod 2 is in spiral connection with one side of the bracket 1, the shielding device 3 is arranged at one end of the push rod 2, the bracket 1 comprises a screw rod seat 12 and a supporting plate 11, the screw rod seat 12 is arranged near the end part of the supporting plate 11, the push rod 2 comprises a rod body 21, a threaded part 22 and a rotating part 24, the threaded part 22 is arranged on the side wall of the rod body 21, the threaded part 22 and the screw rod seat 12 are in spiral transmission, the rotating part 24 is arranged at one end of the rod body 21, the shielding device 3 is in spiral connection with the other end of the rod body 21, the shielding device 3 is pushed to separate cheek mucosa from teeth through the spiral cooperation of the push rod 2 and the bracket 1, an active space is reserved for operation, the bracket 1 is directly arranged on the inner side wall of a dental bed 5, the firm dental bed 5 is utilized to provide force for expanding cheek mucosa, and the cheek mucosa is not damaged and the use experience of a patient is good.

Further, the screen 3 comprises a baffle 31, a swivel base 32 and ribs 33, the swivel base 32 is arranged in the middle of the baffle 31, the ribs 33 are arranged on the side wall of the swivel base 32, the swivel base 32 is sleeved on the other end of the rod body 21, the baffle 31 is directly contacted with cheek mucous membranes, and the ribs 33 extend from the side wall of the swivel base 32 to the edge of the baffle 31, so that the stress intensity of the baffle 31 is improved.

Preferably, the screen 3 further includes a reflective surface 34, the reflective surface 34 is disposed on an end surface of the baffle 31 facing the bracket 1, the reflective surface 34 is formed by polishing or plating, the reflective surface 34 reflects and converges light of an external light source onto the teeth, illuminance of the teeth is improved, and the inner dark surface of the teeth is illuminated by changing the direction of the light, so that convenience is provided for a doctor to perform an operation, and operation difficulty is reduced.

Preferably, the screen retainer 3 further comprises a first snap ring 35, the first snap ring 35 is arranged on the inner wall of the swivel mount 32, the push rod 2 further comprises a ring groove 23, the other end, close to the rod body 21, of the ring groove 23 is arranged on the side wall of the rod body 21, the first snap ring 35 is in clearance fit with the ring groove 23, the first snap ring 35 is matched with the ring groove 23 through pressure, the support 1 and the push rod 2 are conveniently mounted on the gum 5, the screen retainer 3 can be stably pushed by the push rod 2 by utilizing the clearance fit between the first snap ring 35 and the ring groove 23, the angle of the screen retainer 3 can be adjusted at any time in the pushing process, and the cheek mucous membrane can be better propped open.

Preferably, the supporting plate 11 comprises a first supporting section 111, a bending section 112 and a second supporting section 113, one end of the bending section 112 is connected with the first supporting section 111, the other end is connected with the second supporting section 113, the supporting plate 11 is made of elastic materials, the shape of the bending section 112 is the same as that of the oral cavity gum 5, the bending section 112 is tightly contacted with the gum 5, the supporting plate 11 is more stable when being stressed, the bearing strength of the supporting plate 11 is improved, the occupied space in an oral cavity is small, an active space is reserved for operation, the first supporting section 111 and the second supporting section 113 directly support the push rod 2, the stress strength of the baffle 31 is improved, and the using safety of the supporting plate 11 is high.

Preferably, the baffle 31 is concave inwards towards one side of the rod body 21 to form a pit, the surface of the baffle 31 contacted with the cheek mucous membrane is in an outward-bulging arc shape, the cheek mucous membrane is tightly attached, the local pressure on the cheek mucous membrane is small, and the experience of a patient is good.

Wherein, the edge of baffle 31 sets up to arc, and baffle 31 receives the pressure even when contacting with the cheek mucous membrane, and in the operation, patient's use is experienced well.

Preferably, the baffle 31 is made of medical stainless steel, which is nontoxic, corrosion-resistant, non-magnetic, and durable.

Preferably, the rotating portion 24 includes a knurling and a tool groove 25, the diameter of the rotating portion 24 is larger than the diameter of the rod body 21, the knurling is provided on the outer side wall of the rotating portion 24, and the tool groove 25 is provided on the end face of the rotating portion 24.

The use process of the cheek mucosa is as follows:

referring to fig. 11, when a posterior alveolar surgery is required, the push rod 2 is rotated until the end of the push rod 2 is retracted into the screw rod seat 12, the direction of the support 1 is adjusted, the support 1 is compressed inwards and then is fed into the oral cavity, the support 1 is abutted against the inner side wall of the gum 5, the position of the support 1 is finely adjusted to enable the push rod 2 to be aligned with the gaps between teeth, after the support 1 is firmly fixed, the push rod 2 is rotated to enable the rod body 21 to extend out of the support 1, the rod body 21 passes through the gaps between teeth and then is clamped on one end of the rod body 21 outwards, the rotating part 24 of the push rod 2 is rotated, the rod body 21 is moved outwards, the screen 3 is contacted with the oral cavity wall 4, the angle of the screen 3 is rotated, the supporting direction of the screen 3 is adjusted, the screen 3 is parallel to the support 1, and finally the screen 3 is pushed by rotating the push rod 2, and the oral cavity wall 4 is separated from the gum 5.

Example two

The same features as those of the reference embodiment will not be described in detail, but the differences are as follows: the cheek mucosa screen device is provided with the two screw rod seats 12, the two screw rod seats 12 are symmetrically arranged at the two ends of the supporting plate 11, the two groups of screen stoppers 3 are symmetrically arranged through the simultaneous installation, the cheek mucosa support on the left side and the cheek mucosa support on the right side can be respectively completed through the symmetry of the bracket 1, the operation of posterior slot teeth is facilitated, and the operation steps are simplified.

Example III

The first same feature of the reference embodiment is not repeated, and the difference is that the utility model also discloses a cheek mucosa screen blocking device, which comprises a second clamping ring 13 and a rotating shaft 14, wherein the length of the supporting plate 11 is shorter and only covers three teeth on a rear tooth socket, the second clamping ring 13 is rotationally connected to the supporting plate 11 through the rotating shaft 14, one end of the second clamping ring 13 is rotationally connected to one end of the supporting plate 11, the second clamping ring 13 is made of elastic materials, an opening of the second clamping ring 13 can be clamped on teeth to fix the supporting plate 11, an pushing force for pushing cheek mucosa is provided for the push rod 2, the second clamping ring 13 is used for fixing, the structure is small, and the installation is convenient.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (10)

1. A cheek mucosa screen device which characterized in that: including support (1), push rod (2) and screen stopper (3), push rod (2) screwed connection is in one side of support (1), screen stopper (3) set up on the one end of push rod (2), support (1) include lead screw seat (12) and fagging (11), lead screw seat (12) are close to the tip setting of fagging (11), push rod (2) are including body of rod (21), screw portion (22) and rotation portion (24), screw portion (22) set up on the lateral wall of body of rod (21), screw portion (22) with lead screw seat (12) screw drive, rotation portion (24) set up on the one end of body of rod (21), screen stopper (3) swivelling joint is in on the other end of body of rod (21).

2. The buccal mucosa shield device according to claim 1 wherein:

the screen stopper (3) comprises a baffle (31), a swivel base (32) and ribs (33), wherein the swivel base (32) is arranged in the middle of the baffle (31), the ribs (33) are arranged on the side wall of the swivel base (32), and the swivel base (32) is sleeved on the other end of the rod body (21).

3. The buccal mucosa shield device according to claim 2 wherein:

the screen (3) further comprises a reflecting surface (34), and the reflecting surface (34) is arranged on the end face of the baffle (31) facing the bracket (1).

4. A buccal mucosa shield device according to claim 3 wherein:

the screen stopper (3) further comprises a first clamping ring (35), the first clamping ring (35) is arranged on the inner wall of the swivel base (32), the push rod (2) further comprises an annular groove (23), the annular groove (23) is close to the other end of the rod body (21) and is arranged on the side wall of the rod body (21), and the first clamping ring (35) is in clearance fit with the annular groove (23).

5. The buccal mucosa shield device according to claim 4 wherein:

the support plate (11) comprises a first support section (111), a bending section (112) and a second support section (113), one end of the bending section (112) is connected with the first support section (111), the other end of the bending section is connected with the second support section (113), the support plate (11) is made of elastic materials, and the shape of the bending section (112) is the same as that of an oral cavity dental arch.

6. The buccal mucosa shield device according to claim 5 wherein:

the baffle (31) is inwards recessed towards one side of the rod body (21) to form a pit.

7. The buccal mucosa shield device according to claim 6 wherein:

the edge of the baffle (31) is arranged in an arc shape.

8. The buccal mucosa shield device according to claim 7 wherein:

the rotating part (24) comprises knurling and tool grooves (25), the diameter of the rotating part (24) is larger than that of the rod body (21), the knurling is arranged on the outer side wall of the rotating part (24), and the tool grooves (25) are arranged on the end face of the rotating part (24).

9. A buccal mucosa shield device according to any one of claims 1-8 wherein:

the screw rod support device further comprises another screw rod seat (12), and the two screw rod seats (12) are symmetrically arranged at two ends of the supporting plate (11).

10. The buccal mucosa shield device according to claim 1 wherein:

the novel clamping ring comprises a second clamping ring (13) and a rotating shaft (14), wherein one end of the second clamping ring (13) is rotatably connected to the supporting plate (11) through the rotating shaft (14), and an opening is formed in the second clamping ring (13).