Oral cavity dilator

Abstract

The utility model relates to the technical field of oral cavities, and discloses an oral cavity dilator which comprises an upper supporting frame and a lower supporting frame, connecting blocks are fixedly arranged at the two ends of the lower supporting frame, two ends of each connecting block are arranged, extension columns are fixedly arranged at the two ends of the upper supporting frame, and the ends, away from the upper supporting frame, of the extension columns are fixedly connected with extension strips. The connecting column is rotationally connected with the connecting block and the extending column in a penetrating mode to adjust the upper supporting frame and the lower supporting frame. According to the oral cavity expanding device, the problems that when the oral cavity is expanded, the operable range of an operator is small, the treatment effect is affected and the like are solved, teeth in the oral cavity can be better fixed through the upper supporting frame and the lower supporting frame, meanwhile, the upper supporting frame is expanded by rotating the connecting column, the oral cavity is further expanded better, and the oral cavity expanding effect is improved. Due to the fact that no other shielding structure is arranged at the front end of the dilator, the operation space is larger when an operator operates the dilator, and the success rate of treatment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oral cavity, in particular to an oral cavity expander. Background Art

[0002] At present, when clinical doctors in the oral department of a hospital examine or treat patients, they require the patients to open their mouths by themselves to ensure a clear view inside the mouth and facilitate surgical pathology examination and treatment. During short-term observation, tools such as opening forceps are usually used. When treating the oral cavity, oral retractors are often used to assist the patients in opening their mouths and keeping them still.

[0003] The existing Chinese utility model patent with authorization announcement number CN220275759U provides a split oral opening bracket, including a tooth bracket and an X-shaped handle, the tooth bracket consists of an upper tooth bracket and a lower tooth bracket, the angle between the upper tooth bracket and the lower tooth bracket is adjustable, the upper tooth bracket and the lower tooth bracket are both composed of independent tooth brackets connected by a tooth bracket connecting rod, a lighting device is installed on the rear side of the tooth bracket, the X-shaped handle consists of a clamping device and a clamping rod, the clamping device is provided with a fixing groove that can be fixed on the front connecting shaft of the tooth bracket, and is used to adjust the angle between the upper tooth bracket and the lower tooth bracket.

[0004] In the above technical solution, the X-handle and the dental bracket are arranged as a split connection, so that the X-handle can be removed when in use without affecting the operator's line of sight, and the dental bracket is arranged as a movable structure with adjustable spacing and width, which can adapt to the oral sizes of more people; however, the support frame is arranged at the front end of the dental bracket, and when the oral cavity is stretched, the operating space of the operator is reduced due to the arrangement of the support frame, thereby affecting the overall operation process. Utility Model Content

[0005] The utility model aims to solve the problem that when the oral cavity is stretched open, the operable range of the operator is small, thereby affecting the treatment effect and the like.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An oral cavity opener comprises: an upper support frame and a lower support frame;

[0008] Connecting blocks, fixedly arranged at both ends of the lower supporting frame, with two connecting blocks arranged at one end;

[0009] An extension column is fixedly arranged at both ends of the upper support frame, and one end of the extension column away from the upper support frame is fixedly connected to the extension bar;

[0010] The connecting column is rotatably connected and passes through the connecting block and the extension column to adjust the upper support frame and the lower support frame.

[0011] According to the oral retractor provided by the utility model: upper braces and lower braces are respectively arranged on opposite sides of the upper support frame and the lower support frame, and the upper braces and lower braces are used to wrap the teeth.

[0012] According to the oral cavity stretcher provided by the utility model: a movable groove is opened at one end of the lower support frame close to the connecting block, and the movable groove corresponds to the extension column, so that the extension column can move in the movable groove.

[0013] According to the oral cavity stretcher provided by the utility model: a rotation hole is formed through the connection block and the extension strip, and a connection column is rotationally embedded in the rotation hole, and the connection column assembles the connection block and the extension strip together.

[0014] According to the oral retractor provided by the utility model: a limiting groove is opened on the inner wall of the rotating hole on the extension bar, the length of the limiting groove is the same as the thickness of the extension bar, a limiting strip is arranged on the connecting column corresponding to the limiting groove, and the limiting strip is movably embedded in the limiting groove.

[0015] According to the oral cavity spreader provided by the utility model: a ratchet is arranged in the rotating hole on the connecting block, a ratchet is arranged on the connecting column corresponding to the ratchet, and the ratchet and the ratchet are meshed with each other.

[0016] According to the oral retractor provided by the utility model: the connecting column is provided with auxiliary caps on the opposite sides of the two ends of the lower support frame, and the auxiliary caps are hexagonal structures. When the connecting column is embedded in the rotating hole, a movable space is reserved at the adjacent parts of the connecting block and the extension strip.

[0017] The utility model has the following beneficial effects:

[0018] The upper support frame and the lower support frame are rotatably connected together by utilizing the upper support frame and the lower support frame, so that the oral cavity can be well opened, and the arranged connecting columns and auxiliary caps can drive the upper support frame to slowly open and slowly open the oral cavity at the same time. Since the connecting columns are arranged on both sides of the upper support frame, the operation of the operator will not be affected after opening, so that the operator's operating space is larger, thereby better improving the success rate in the treatment process, and making the treatment more convenient and faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0020] Figure 2 It is a rear view structural schematic diagram of an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the bottom structure of an embodiment of the utility model;

[0022] Figure 4 It is a side structural plan view of an embodiment of the utility model;

[0023] Figure 5 yes Figure 2 Enlarged view of point A in the middle;

[0024] Figure 6 This is a cross-sectional view of the connection between the connecting column and the extension strip in the embodiment of the utility model;

[0025] Figure 7 It is a cross-sectional view of the connection between the connecting column and the connecting block in an embodiment of the utility model.

[0026] Legend:

[0027] 1. Lower support frame;

[0028] 10. movable groove; 101. connecting block; 1010. ratchet bar; 102. rotating hole; 103. connecting column; 1030. limiting bar; 1031. ratchet claw; 104. auxiliary cap; 11. lower braces;

[0029] 2. Upper support frame;

[0030] 20. Extension column; 201. Extension strip; 2010. Limiting groove; 21. Upper braces. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Combine the following Figure 1-Figure 7 The embodiment shown describes the technical solution of the utility model:

[0033] An oral retractor comprises: an upper support frame 2 and a lower support frame 1, connecting blocks 101 are fixedly arranged at both ends of the lower support frame 1, two connecting blocks 101 are arranged at one end, extension columns 20 are fixedly arranged at both ends of the upper support frame 2, one end of the extension column 20 away from the upper support frame 2 is fixedly connected to the extension bar 201, and the connecting column 103 is rotatably connected and penetrates the connecting block 101 and the extension column 20 to adjust the upper support frame 2 and the lower support frame 1.

[0034] It can be understood that the upper support frame 2 and the lower support frame 1 are rotatably connected together, and the upper support frame 2 and the lower support frame 1 are irregular "U" shaped structures. The opposing surfaces of the upper support frame 2 and the lower support frame 1 are made of stainless steel, and two connecting blocks 101 are arranged to form a mounting groove, so that the extension bar 201 and the connecting block 101 are combined together through the connecting column 103, so that the upper support frame 2 and the lower support frame 1 are more convenient to adjust.

[0035] The oral cavity stretcher provided by the embodiment of the utility model comprises an upper support frame 2 and a lower support frame 1, which are rotatably connected to each other, so that the oral cavity can be well stretched, and the connecting column 103 and the auxiliary cap 104 are arranged to drive the upper support frame 2 to open slowly and stretch the oral cavity slowly at the same time. Since the connecting column 103 is arranged on both sides of the upper support frame 2, the operation of the operator will not be affected after the opening, so that the operation space of the operator is larger, thereby better improving the success rate in the treatment process and making the treatment more convenient and faster.

[0036] According to the oral retractor provided in the embodiment of the utility model, upper braces 21 and lower braces 11 are respectively provided on opposite sides of the upper support frame 2 and the lower support frame 1, and the upper braces 21 and the lower braces 11 are used to wrap the teeth.

[0037] Figure 1 , Figure 2 and Figure 3 An oral retractor is implemented, in which upper and lower braces and a lower brace 11 are arranged on opposite sides of an upper support frame 2 and a lower support frame 1, and the upper brace 21 and the lower brace 11 have the same shape as the upper support frame 2 and the lower support frame 1, and fit tightly on the upper support frame 2 and the lower support frame 1, and the upper brace 21 and the lower brace 11 are made of flexible rubber material.

[0038] The oral retractor provided in the embodiment of the utility model can better place and fix the teeth by means of the upper braces 21 and the lower braces 11, so that the teeth will not fall off during the oral retracting process, making the retracting more convenient. Secondly, the upper braces 21 and the lower braces 11 are made of flexible rubber material, which can better protect the teeth from being scratched, thereby ensuring the integrity of the teeth and avoiding unnecessary losses.

[0039] According to the oral retractor provided in the embodiment of the utility model, a movable groove 10 is opened at one end of the lower support frame 1 close to the connecting block 101, and the movable groove 10 corresponds to the extension column 20, so that the extension column 20 can move in the movable groove 10.

[0040] Figure 2 and Figure 3An oral retractor is implemented in the present invention, wherein a movable groove 10 is provided at one end of the lower support frame 1 close to the connecting block 101, the setting path of the movable groove 10 is adapted to the curvature of the lower support frame 1, and the movable groove 10 corresponds to the extension column 20, so that the extension column 20 can move in the movable groove 10, thereby making the movement more free.

[0041] The oral stretcher provided in the embodiment of the utility model has a movable groove 10, and the movable groove 10 is correspondingly arranged with the extension column 20, so that the upper support frame 2 and the lower support frame 1 can be better closed when they are closed to each other, and the opening range between the upper support frame 2 and the lower support frame 1 can be better reduced, so as to facilitate the placement and removal of the stretcher, making the stretching more convenient.

[0042] According to the oral retractor provided in the embodiment of the utility model, a rotation hole 102 is formed through the connecting block 101 and the extension strip 201. The connecting post 103 is rotatably embedded in the rotating hole 102, and the connecting post 103 assembles the connecting block 101 and the extension strip 201 together.

[0043] Figure 2 and Figure 5 An oral retractor is implemented in the invention, wherein a rotation hole 102 is formed through a connecting block 101 and an extension strip 201, and a connecting column 103 is rotatably embedded in the rotation hole 102, so that the connecting block 101 and the extension strip 201 are connected together through the connecting column 103, thereby making the upper support frame 2 and the lower support frame 1 rotatably connected together, and making the upper support frame 2 rotate along the connecting column 103.

[0044] The oral retractor provided in the embodiment of the utility model has a rotating hole 102, in which a connecting column 103 is embedded, so as to better connect the connecting block 101 and the extension bar 201 together, and at the same time, the extension bar 201 can be better rotated on the connecting column 103, so that the retractor can open the oral cavity.

[0045] According to the oral retractor provided in the embodiment of the utility model, a limiting groove 2010 is opened on the inner wall of the rotating hole 102 on the extension bar 201, and the length of the limiting groove 2010 is the same as the thickness of the extension bar 201. Corresponding to the limiting groove 2010, a limiting bar 1030 is set on the connecting column 103, and the limiting bar 1030 is movably embedded in the limiting groove 2010.

[0046] Figure 6An oral retractor is implemented in the invention, wherein a limiting groove 2010 is provided on the inner wall of a rotating hole 102 on an extension bar 201, and the length of the limiting groove 2010 is the same as the thickness of the extension bar 201, and a limiting strip 1030 is fixedly welded on a connecting column 103 corresponding to the limiting groove 2010, and the limiting strip 1030 is movably embedded in the limiting groove 2010, so that the limiting strip 1030 is better fixed through the limiting groove 2010.

[0047] The oral retractor provided by the embodiment of the utility model has a limiting groove 2010 and a limiting bar 1030, and the limiting groove 2010 and the limiting bar 1030 are respectively arranged on the extension bar 201 and the connecting column 103, so that the rotation of the connecting column 103 can better drive the extension bar 201 to rotate, so that the connecting column 103 and the extension bar 201 rotate synchronously, and then when the connecting column 103 is twisted, the opening and closing of the upper support frame 2 can be adjusted, thereby realizing the opening and closing actions.

[0048] According to the oral retractor provided by the embodiment of the utility model, a ratchet 1010 is provided in the rotating hole 102 on the connecting block 101, and a ratchet 1031 is provided on the connecting column 103 corresponding to the ratchet 1010, and the ratchet 1010 and the ratchet 1031 are meshed with each other.

[0049] Figure 7 A mouth opener is implemented in the embodiment, and a rotating hole 102 on the connecting block 101 is provided with the following Figure 7 The ratchet strips 1010 are distributed along a circular array, and the connecting posts 103 are provided with corresponding ratchet strips 1010. Figure 7 The pawl 1031 shown, and then the ratchet bar 1010 and the pawl 1031 are engaged with each other to form a ratchet structure.

[0050] The oral retractor provided in the embodiment of the utility model, through the provision of the ratchet bar 1010 and the ratchet pawl 1031, enables the connecting column 103 to rotate in only one direction when rotating, and cannot rotate back, thereby making the retracting more stable, better supporting the teeth and the mouth, thereby making it more convenient for the operator to perform treatment work in the oral cavity, and providing the operator with a larger operating space.

[0051] According to the oral retractor provided in the embodiment of the utility model, the connecting column 103 is provided with auxiliary caps 104 on the opposite sides of the two ends of the lower support frame 1. The auxiliary caps 104 are hexagonal structures. When the connecting column 103 is embedded in the rotating hole 102, a movable space is reserved at the adjacent parts of the connecting block 101 and the extension strip 201.

[0052] Figure 2 and Figure 3An oral retractor is implemented in the present invention, wherein auxiliary caps 104 are arranged on opposite sides of the two ends of the lower support frame 1 at the connecting column 103, and the auxiliary caps 104 are hexagonal structures. When the connecting column 103 is embedded in the rotating hole 102, a movable space is reserved at the adjacent parts of the connecting block 101 and the extension strip 201, and the length of the reserved movable space is the same as the width of the spine strip 1010.

[0053] The oral stretcher provided by the embodiment of the utility model reserves movable space at the adjacent parts of the connecting block 101 and the extension strip 201, and then after the stretching is completed, the auxiliary cap 104 is struck to disengage the pawl 1031 from the ratchet bar 1010, and then the ratchet wrench is put on the auxiliary cap 104 and rotated to bring the upper support frame 2 and the lower support frame 1 closer, and then taken out. When the stretching is to be performed, the connecting column 103 is first struck to make the ratchet bar 1010 engage with the pawl 1031, and then the stretcher is placed in the oral cavity, and the upper support frame 2 is rotated by rotating the connecting column 103 to open the whole body, thereby stretching the oral cavity, thereby facilitating the operator to work.

[0054] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An oral retractor, characterized in that: include: An upper support frame (2) and a lower support frame (1); Connecting blocks (101) are fixedly arranged at two ends of the lower support frame (1), with two connecting blocks (101) being arranged at one end; An extension column (20) is fixedly arranged at both ends of the upper support frame (2), and one end of the extension column (20) away from the upper support frame (2) is fixedly connected to the extension bar (201); The connecting column (103) is rotatably connected and passes through the connecting block (101) and the extension column (20) to adjust the upper support frame (2) and the lower support frame (1).

2. The oral retractor according to claim 1, characterized in that: An upper brace (21) and a lower brace (11) are respectively arranged on opposite sides of the upper support frame (2) and the lower support frame (1), and the upper brace (21) and the lower brace (11) are used to wrap the teeth.

3. The oral retractor according to claim 1, characterized in that: An end of the lower support frame (1) close to the connecting block (101) is provided with a movable groove (10), and the movable groove (10) corresponds to the extension column (20), so that the extension column (20) can move in the movable groove (10).

4. The oral retractor according to claim 1, characterized in that: The connection block (101) and the extension strip (201) are provided with a rotation hole (102) through which a connection column (103) is rotatably embedded. The connection column (103) assembles the connection block (101) and the extension strip (201) together.

5. The oral retractor according to claim 4, characterized in that: A limiting groove (2010) is provided on the inner wall of the rotating hole (102) on the extension strip (201), the length of the limiting groove (2010) being the same as the thickness of the extension strip (201), and a limiting strip (1030) is provided on the connecting column (103) corresponding to the limiting groove (2010), and the limiting strip (1030) is movably embedded in the limiting groove (2010).

6. The oral retractor according to claim 4, characterized in that: A ratchet (1010) is arranged in the rotating hole (102) on the connecting block (101), and a ratchet pawl (1031) is arranged on the connecting column (103) corresponding to the ratchet (1010), and the ratchet (1010) and the ratchet pawl (1031) are meshed with each other.

7. The oral retractor according to claim 1, characterized in that: The connecting column (103) is provided with auxiliary caps (104) on opposite sides of the two ends of the lower support frame (1); the auxiliary caps (104) are of a hexagonal structure; when the connecting column (103) is embedded in the rotating hole (102), a movable space is reserved at the adjacent parts of the connecting block (101) and the extension strip (201).

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