An oral expander with protective function

Abstract

This utility model discloses a protective oral retractor, belonging to the field of oral retractor technology. It includes a vertical rod with a connector at its bottom and an external positioning component rotatably mounted at its top. The external positioning component includes a head frame, with a retractor mounted on its side. The retractor includes a positioning frame, a mounting groove, an adjusting screw, a retractor plate, and a retractor arc plate. The positioning frame is fixed to the bottom of the front side of the head frame. Two mounting grooves are respectively located at the top and bottom of the positioning frame. The adjusting screw rotates within the mounting groove, with one end extending through to the outside of the positioning frame. The outer ends of the retractor plate are threaded onto the adjusting screw, and the retractor arc plate is fixed to the inner side of the retractor plate. Through this method, the external positioning component provides stable and limited protection for the patient's head. By using the retractor and rotating the adjusting screw, the position of the supporting retractor plate can be adjusted using the threaded engagement between the retractor plate and the adjusting screw, allowing for adjustment of the retractor's position according to actual needs.

Description

Technical Field

[0001] This utility model relates to the field of oral cavity expander technology, specifically to an oral cavity expander with protective function. Background Technology

[0002] In clinical dentistry, it is often necessary to expand the patient's oral cavity, requiring the patient to keep their mouth open for an extended period of time. However, prolonged mouth opening can lead to muscle spasms, making it impossible for the patient to maintain the open mouth position for long. This is where oral expanders come in to assist in the examination. Oral expanders, also known as mouth openers, are medical devices mainly used to expand and open the oral cavity.

[0003] Chinese patent application number CN202323498138.2 discloses an oral expander, including a frame. A lead screw is movably connected through the front side of the top of the frame. The threads on both sides of the lead screw have opposite directions. Movable plates are threaded onto the top and bottom of the lead screw. Support rods are riveted to the front and rear sides of the left side of the movable plates. A sleeve is movably fitted onto the surface of the support rod. An expander plate is riveted to the left side of the sleeve. A tongue depressor mechanism is riveted to the top of the bottom expander plate. Brackets are riveted to the front and rear sides of the frame. A limit frame is movably connected through the left side of the bracket. A partition is fixedly connected to the inner cavity of the bracket.

[0004] The device is worn on the patient's head by a spring, which facilitates subsequent examinations. However, in actual clinical practice, sometimes it is necessary to rotate the patient's mouth to facilitate operation by medical staff. The device is positioned by the elasticity of the spring. However, during the rotation of the patient's head, the elasticity is disturbed, causing the device to become unstable and affecting the expansion effect. At the same time, the expansion component is in direct, rigid contact with the inside of the patient's mouth without any soft protective components, which may cause damage to the patient's oral mucosa.

[0005] Based on this, the present invention designs an oral expander with protective function to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an oral expander with protective function.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] An oral expander with protective function includes a pole with a connector at its bottom. The connector includes a connecting plate and connecting holes. The connecting plate is fixedly installed at the bottom of the pole and has multiple connecting holes. An external positioning component is rotatably mounted at the top of the pole. The external positioning component includes a head frame. Expanding components are mounted on the side of the head frame. The expanding components include a positioning frame, mounting slots, adjusting screws, expanding plates, and expanding arc plates. The positioning frame is fixed to the bottom of the front side of the head frame. Two mounting slots are respectively located at the top and bottom of the positioning frame. Each mounting slot has an adjusting screw. The adjusting screw rotates within the mounting slot and one end rotates through and extends to the outside of the positioning frame. The outer ends of the two expanding plates are threaded to the two adjusting screws. The two expanding arc plates are respectively fixed to the inner side of the two expanding plates.

[0009] Furthermore, the external positioning component also includes side screws, side contact plates, top screws, and top contact plates. The head frame rotates at the top of the upright. The inner ends of the two side screws are threaded through the two side walls of the head frame and extend to the inner side of the head frame. The inner ends of the two side screws are rotatably connected to the side contact plates. The inner end of the top screw is threaded through the top of the head frame and extends to the inner side of the head frame. The inner end of the top screw is rotatably connected to the top contact plate.

[0010] Furthermore, the outer walls on both sides of the head frame are curved, and the top and bottom of the head frame are both horizontal. The side screw is located in the lower middle part of the side wall of the head frame.

[0011] Furthermore, the two mounting slots are symmetrically arranged at the top and bottom centers of the positioning frame, and the center of the expansion arc plate and the center of the positioning frame are on the same horizontal line.

[0012] Furthermore, both the side contact plate and the top contact plate are covered with outer soft pads, and the side of the expansion arc plate is covered with inner soft pads.

[0013] Furthermore, the upright has a hollow interior and an inner rod that slides along it. The inner rod has a positioning hole on its side. The upright has multiple through holes at equal intervals along the vertical direction on its side. A fixing screw is threaded onto the upright. The end of the fixing screw passes through the corresponding through hole and is threaded into the positioning hole.

[0014] Furthermore, the head frame rotates at the top of the inner rod, and an installation frame is fixedly installed on the bottom of the front side of the head frame. The installation frame is located below the positioning frame, and an electric telescopic rod is provided inside the installation frame. The piston rod inside the electric telescopic rod slides through the top of the installation frame and connects to the bottom of the positioning frame.

[0015] Furthermore, the bottom end of the positioning frame is threaded with a pressure tongue screw, the top end of the pressure tongue screw extends to the inside of the positioning frame and rotates with a pressure tongue strip, and the rear end of the pressure tongue strip is fixed with a pressure tongue piece.

[0016] Beneficial effects

[0017] 1. This utility model provides stable and limited protection for the patient's head by setting an external positioning component and rotating the side screw and top screw respectively to adjust the position of the side contact plate and top contact plate. The positioning will not be affected by the rotation of the patient's head, which facilitates the expansion operation. By setting an expansion component and rotating the adjusting screw, the position of the support expansion plate can be adjusted by using the threaded engagement between the expansion plate and the adjusting screw. The degree of expansion can be adjusted according to the actual situation.

[0018] 2. This utility model provides protection for the side contact plate, top contact plate, and expansion arc plate when in contact with the patient by setting an outer soft pad and an inner soft pad; by setting an inner rod, positioning hole, through hole, and fixing screw, the height of the inner rod is adjusted by selecting a suitable height position for the through hole, and the inner rod is fixed by using the fixing screw to connect the through hole and positioning hole, thereby realizing the adjustment of the height of the outer positioning component and the expansion component; by setting an installation frame and an electric telescopic rod, activating the electric telescopic rod drives the positioning frame to move up and down, further adjusting the height of the expansion arc plate, which facilitates the expansion of the patient's oral cavity. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a perspective view of the main structure of an oral retractor with protective function according to this utility model;

[0021] Figure 2 This is a perspective view of the upright structure of an oral expander with protective function according to this utility model;

[0022] Figure 3 This is a perspective view of the inner rod structure of an oral expander with protective function according to this utility model;

[0023] Figure 4 This is a three-dimensional view of the expansion component structure of an oral expander with protective function according to this utility model.

[0024] The labels in the diagram represent:

[0025] 1. Upright pole; 2. Connecting plate; 3. Connecting hole; 4. Head frame; 5. Side screw; 6. Side contact plate; 7. Top screw; 8. Top contact plate; 9. Positioning frame; 10. Mounting slot; 11. Adjusting screw; 12. Expansion plate; 13. Expansion arc plate; 14. Outer soft pad; 15. Inner soft pad; 16. Inner rod; 17. Positioning hole; 18. Through hole; 19. Fixing screw; 20. Mounting frame; 21. Electric telescopic rod; 22. Tongue-pressing screw; 23. Tongue-pressing strip; 24. Tongue-pressing piece. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] The present invention will be further described below with reference to the embodiments.

[0028] In some embodiments, please refer to the accompanying drawings. Figure 1 and Figure 4 An oral expander with protective function includes a pole 1, a connector at the bottom of the pole 1, the connector including a connecting plate 2 and connecting holes 3, the connecting plate 2 being fixedly installed at the bottom of the pole 1, the connecting plate 2 having multiple connecting holes 3, the connecting plate 2 being fixed to an external mounting platform by bolts inserted into the connecting holes 3; an external positioning component rotating at the top of the pole 1, the external positioning component including a head frame 4, an expander component mounted on the side of the head frame 4, the expander component including a positioning frame 9, a mounting groove 10, and an adjustment... The positioning frame 9 is fixed to the bottom of the front side of the head frame 4, consisting of a screw 11, a support plate 12, and a support arc plate 13. Two mounting slots 10 are respectively formed at the top and bottom of the positioning frame 9. Each mounting slot 10 is equipped with an adjusting screw 11, which rotates within the mounting slot 10 and extends through to the outside of the positioning frame 9 at one end. The outer ends of the two support plates 12 are threaded onto the two adjusting screws 11, and the two support arc plates 13 are fixed to the inner side of the two support plates 12. The two support arc plates 13 are located on the rear outer side of the positioning frame 9 for easy insertion into the patient's oral cavity.

[0029] In this embodiment of the invention, during use, the patient inserts their head into the head frame 4 from behind, opens their mouth, and positions the expansion arc plate 13 in their mouth. Then, the side screw 5 and top screw 7 are rotated respectively to adjust the positions of the side contact plate 6 and top contact plate 8, thus limiting the patient's head position. Then, the two adjusting screws 11 are rotated, and the positions of the two expansion arc plates 13 are adjusted by utilizing the threaded engagement between the expansion plate 12 and the adjusting screw 11, so that the patient's oral cavity is expanded to a suitable position, thereby achieving oral cavity expansion.

[0030] In this embodiment of the utility model, by setting an external positioning component, the side screw 5 and the top screw 7 are rotated respectively to adjust the positions of the side contact plate 6 and the top contact plate 8, so as to provide stable limiting protection for the patient's head. The positioning will not be affected by the rotation of the patient's head, which facilitates the expansion operation. By setting an expansion component, the position of the expansion arc plate 13 can be adjusted by rotating the adjusting screw 11 and using the threaded engagement between the expansion plate 12 and the adjusting screw 11. The degree of expansion can be adjusted according to the actual situation.

[0031] In one embodiment of this utility model, the external positioning component further includes a side screw 5, a side contact plate 6, a top screw 7, and a top contact plate 8. The head frame 4 rotates at the top of the upright 1. The inner ends of the two side screws 5 are threaded through the two side walls of the head frame 4 and extend to the inner side of the head frame 4. The inner ends of the two side screws 5 are rotatably connected to the side contact plates 6. The inner end of the top screw 7 is threaded through the top of the head frame 4 and extends to the inner side of the head frame 4. The inner end of the top screw 7 is rotatably connected to the top contact plate 8.

[0032] Preferably, the outer walls on both sides of the head frame 4 are curved, and the top and bottom ends of the head frame 4 are horizontal. The side screws 5 are located at the lower middle part of the side walls of the head frame 4. The two mounting slots 10 are symmetrically arranged at the center of the top and bottom ends of the positioning frame 9, and the center of the expansion arc plate 13 and the center of the positioning frame 9 are on the same horizontal line.

[0033] Preferably, an outer soft pad 14 is attached to the side of the side contact plate 6 and the side of the top contact plate 8, and an inner soft pad 15 is attached to the side of the expansion arc plate 13.

[0034] In some embodiments, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the inside of the upright 1 is a cavity and an inner rod 16 is slidably provided. The inner rod 16 has a positioning hole 17 on its side. The upright 1 has multiple through holes 18 at equal intervals along the vertical direction on its side. A fixing screw 19 is threaded onto the upright 1. The end of the fixing screw 19 passes through the corresponding through hole 18 and is threaded into the positioning hole 17.

[0035] The head frame 4 rotates at the top of the inner rod 16. A mounting frame 20 is fixedly installed on the bottom of the front side of the head frame 4. The mounting frame 20 is located below the positioning frame 9. An electric telescopic rod 21 is installed inside the mounting frame 20. The piston rod inside the electric telescopic rod 21 slides through the top of the mounting frame 20 and connects to the bottom of the positioning frame 9.

[0036] Preferably, a tongue depressor screw 22 is threaded through the bottom end of the positioning frame 9, and a tongue depressor strip 23 is rotatably attached to the top end of the tongue depressor screw 22 after extending to the inner side of the positioning frame 9. A tongue depressor piece 24 is fixed to the rear end of the tongue depressor strip 23. The tongue depressor piece 24 is located on the rear outer side of the positioning frame 9, making it easy to insert into the patient's mouth.

[0037] In this embodiment of the invention, during use, a suitable height for the through hole 18 is selected, the height of the inner rod 16 is adjusted, and the through hole 18 and the positioning hole 17 are connected by a fixing screw 19 to fix the inner rod 16. Then, the electric telescopic rod 21 is activated to move the positioning frame 9, thereby adjusting the height of the expansion arc plate 13. Then, the patient inserts their head into the head frame 4 and opens their mouth, so that the expansion arc plate 13 and the tongue depressor 24 are located in the patient's mouth. Next, the side screw 5 and the top screw 7 are rotated respectively to adjust the positions of the side contact plate 6 and the top contact plate 8 to limit the patient's head. Then, the adjusting screw 11 is rotated, and the position of the expansion arc plate 13 is adjusted by the threaded engagement of the expansion plate 12 and the adjusting screw 11, so that the patient's oral cavity is expanded to a suitable position, thus achieving oral cavity expansion. Finally, the tongue depressor screw 22 is rotated to adjust the position of the tongue depressor 24 to limit the patient's tongue, facilitating the operation of medical personnel.

[0038] In this embodiment of the invention, by setting an outer soft pad 14 and an inner soft pad 15, the side contact plate 6, the top contact plate 8, and the expansion arc plate 13 have a protective function when in contact with the patient; by setting an inner rod 16, a positioning hole 17, a through hole 18, and a fixing screw 19, the height of the inner rod 16 is adjusted by selecting a suitable height position for the through hole 18, and the inner rod 16 is fixed by threading the through hole 18 and the positioning hole 17 with the fixing screw 19, thereby realizing the adjustment of the height of the outer positioning component and the expansion component; by setting an installation frame 20 and an electric telescopic rod 21, the electric telescopic rod 21 is activated, which drives the positioning frame 9 to move up and down, further adjusting the height of the expansion arc plate 13, which facilitates the expansion of the patient's oral cavity.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An oral expander with a protection function, comprising a vertical rod (1), characterized in that: The bottom end of the upright (1) is provided with a connector, which includes a connecting plate (2) and connecting holes (3). The connecting plate (2) is fixedly installed at the bottom end of the upright (1). Multiple connecting holes (3) are provided on the connecting plate (2). The top end of the upright (1) is provided with an external positioning component, which includes a head frame (4). An expansion component is installed on the side of the head frame (4). The expansion component includes a positioning frame (9), a mounting groove (10), an adjusting screw (11), an expansion plate (12), and an expansion arc plate (13). The positioning frame (9) is fixed to the bottom of the front side of the head frame (4). The two mounting slots (10) are respectively opened on the top and bottom of the positioning frame (9). Each mounting slot (10) is provided with an adjusting screw (11). The adjusting screw (11) rotates in the mounting slot (10) and one end rotates through and extends to the outside of the positioning frame (9). The outer ends of the two expansion plates (12) are respectively threaded to the two adjusting screws (11). The two expansion arc plates (13) are respectively fixed to the inner side of the two expansion plates (12).

2. The mouth prop with a protection function according to claim 1, characterized in that, The external positioning component also includes a side screw (5), a side contact plate (6), a top screw (7), and a top contact plate (8). The head frame (4) rotates at the top of the upright (1). The inner ends of the two side screws (5) are threaded through the two side walls of the head frame (4) and extend to the inner side of the head frame (4). The inner ends of the two side screws (5) are rotatably connected to the side contact plate (6). The inner end of the top screw (7) is threaded through the top of the head frame (4) and extends to the inner side of the head frame (4). The inner end of the top screw (7) is rotatably connected to the top contact plate (8).

3. The mouth prop with a protection function according to claim 2, characterized in that, The outer walls on both sides of the head frame (4) are curved, and the top and bottom of the head frame (4) are horizontal. The side screw (5) is located in the lower middle part of the side wall of the head frame (4).

4. The oral retractor with protective function according to claim 3, characterized in that, The two mounting slots (10) are symmetrically arranged at the top center and bottom center of the positioning frame (9), and the center of the expansion arc plate (13) and the center of the positioning frame (9) are on the same horizontal line.

5. The oral retractor with protective function according to claim 4, characterized in that, The side of the side contact plate (6) and the side of the top contact plate (8) are both covered with an outer soft pad (14), and the side of the expansion arc plate (13) is covered with an inner soft pad (15).

6. The oral retractor with protective function according to claim 5, characterized in that, The upright (1) has a hollow cavity inside and an inner rod (16) is slidably provided. The inner rod (16) has a positioning hole (17) on its side. The upright (1) has multiple through holes (18) at equal intervals along the vertical direction on its side. The upright (1) is threaded with a fixing screw (19). The end of the fixing screw (19) passes through the corresponding through hole (18) and is threaded into the positioning hole (17).

7. The oral retractor with protective function according to claim 6, characterized in that, The head frame (4) rotates at the top of the inner rod (16). A mounting frame (20) is fixedly installed on the bottom of the front side of the head frame (4). The mounting frame (20) is located below the positioning frame (9). An electric telescopic rod (21) is provided inside the mounting frame (20). The piston rod inside the electric telescopic rod (21) slides through the top of the mounting frame (20) and connects to the bottom of the positioning frame (9).

8. The oral retractor with protective function according to claim 7, characterized in that, The bottom end of the positioning frame (9) is threaded through a tongue-pressing screw (22), the top end of the tongue-pressing screw (22) extends to the inside of the positioning frame (9) and rotates with a tongue-pressing strip (23), and the rear end of the tongue-pressing strip (23) is fixed with a tongue-pressing piece (24).

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